:root {
      color-scheme: dark;
      --bg: #07131a;
      --bg-deep: #041017;
      --panel: rgba(10, 24, 33, 0.9);
      --panel-strong: rgba(10, 24, 33, 0.98);
      --card: rgba(18, 38, 50, 0.92);
      --card-soft: rgba(11, 27, 37, 0.8);
      --accent: #5eead4;
      --accent-strong: #14b8a6;
      --accent-warm: #f59e0b;
      --text: #ecfeff;
      --text-soft: #d6e7f2;
      --muted: #b4c7d7;
      --placeholder: #89a1b8;
      --border: rgba(148, 163, 184, 0.16);
      --border-strong: rgba(94, 234, 212, 0.24);
      --input-bg: rgba(17, 37, 49, 0.96);
      --input-bg-strong: rgba(20, 44, 59, 0.98);
      --input-border: rgba(148, 163, 184, 0.24);
      --input-border-hover: rgba(148, 163, 184, 0.38);
      --danger: #f87171;
      --success: #34d399;
      --shadow-xl: 0 28px 80px rgba(0, 0, 0, 0.34);
      --shadow-card: 0 18px 45px rgba(3, 9, 15, 0.24);
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: "Avenir Next", "SF Pro Display", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
      background:
        linear-gradient(135deg, rgba(94, 234, 212, 0.08), transparent 32%),
        linear-gradient(225deg, rgba(245, 158, 11, 0.08), transparent 30%),
        linear-gradient(180deg, rgba(7, 19, 26, 0.92), rgba(4, 16, 23, 1)),
        var(--bg);
      color: var(--text);
      min-height: 100vh;
      padding: 24px;
      position: relative;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
      background-size: 32px 32px;
      mask-image: radial-gradient(circle at center, black 40%, transparent 85%);
      opacity: 0.45;
    }

    .app {
      max-width: 1360px;
      margin: 0 auto;
      display: grid;
      gap: 22px;
      position: relative;
      z-index: 1;
    }

    .panel {
      background: linear-gradient(180deg, rgba(11, 27, 37, 0.94), rgba(8, 19, 28, 0.98));
      border: 1px solid var(--border);
      border-radius: 24px;
      padding: 24px;
      box-shadow: var(--shadow-xl);
      backdrop-filter: blur(18px);
      position: relative;
      overflow: hidden;
    }

    .panel::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(135deg, rgba(94, 234, 212, 0.06), transparent 30%, transparent 70%, rgba(245, 158, 11, 0.06));
    }

    .panel > * {
      position: relative;
      z-index: 1;
    }

    .workspace-panel {
      padding: 28px;
      display: grid;
      gap: 16px;
    }

    .results-panel,
    .history-panel {
      padding-top: 22px;
    }

    .surface-block {
      position: relative;
      background: linear-gradient(180deg, rgba(15, 31, 42, 0.95), rgba(10, 24, 33, 0.88));
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 18px;
      box-shadow: var(--shadow-card);
    }

    .hero-banner {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
      gap: 20px;
      align-items: end;
      margin-bottom: 18px;
    }

    .hero-copy {
      min-width: 0;
    }

    .workspace-hero-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
    }

    .hero-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 14px;
    }

    .workspace-hero-tools {
      display: flex;
      justify-content: flex-end;
      flex: 0 0 auto;
    }

    .announcement-trigger {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 8px 14px;
      border: 1px solid rgba(94, 234, 212, 0.26);
      border-radius: 999px;
      background: rgba(7, 19, 26, 0.62);
      color: var(--text);
      font-size: 13px;
      font-weight: 600;
      cursor: pointer;
      transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
      white-space: nowrap;
    }

    .announcement-trigger:hover {
      border-color: rgba(94, 234, 212, 0.44);
      background: rgba(14, 116, 144, 0.18);
      transform: translateY(-1px);
    }

    .announcement-trigger:focus-visible {
      outline: 2px solid rgba(94, 234, 212, 0.5);
      outline-offset: 2px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 34px;
      padding: 8px 14px;
      border-radius: 999px;
      border: 1px solid var(--border-strong);
      background: rgba(14, 116, 144, 0.14);
      color: var(--text);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
    }

    .hero-badge.warm {
      background: rgba(245, 158, 11, 0.14);
      border-color: rgba(245, 158, 11, 0.24);
    }

    .hero-meta {
      display: grid;
      gap: 12px;
      justify-items: end;
      min-width: 0;
    }

    h1 {
      margin: 0 0 10px;
      font-size: 42px;
      line-height: 1.04;
      letter-spacing: 0;
    }

    p.sub {
      margin: 0;
      color: var(--muted);
      max-width: 54ch;
      font-size: 15px;
      line-height: 1.7;
    }

    .deploy-note {
      margin: 0;
      padding: 14px 16px;
      border: 1px solid rgba(94, 234, 212, 0.22);
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(94, 234, 212, 0.12), rgba(245, 158, 11, 0.08));
      color: var(--muted);
      font-size: 13px;
      line-height: 1.65;
      max-width: 460px;
    }

    .deploy-note code {
      color: var(--accent);
    }

    .deploy-note a {
      color: var(--accent);
      text-decoration: none;
      font-weight: 600;
    }

    .deploy-note a:hover {
      text-decoration: underline;
    }

    .panel h2 {
      margin: 0;
      font-size: 20px;
      letter-spacing: 0;
    }

    label {
      display: block;
      margin: 10px 0 6px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 600;
      letter-spacing: 0.01em;
    }

    input[type="text"],
    input[type="number"],
    textarea,
    select {
      width: 100%;
      background: linear-gradient(180deg, var(--input-bg-strong), var(--input-bg));
      border: 1px solid var(--input-border);
      border-radius: 14px;
      padding: 12px 14px;
      color: var(--text);
      font-size: 14px;
      outline: none;
      transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, transform 0.15s ease;
      box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.04),
        inset 0 -1px 0 rgba(4, 10, 16, 0.28);
      caret-color: var(--accent);
    }

    input[type="text"]:hover,
    input[type="number"]:hover,
    textarea:hover,
    select:hover {
      border-color: var(--input-border-hover);
      background: linear-gradient(180deg, rgba(22, 47, 63, 0.98), rgba(16, 36, 48, 0.98));
    }

    input[type="text"]:focus,
    input[type="number"]:focus,
    textarea:focus,
    select:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.14);
      transform: translateY(-1px);
    }

    input[type="text"]::placeholder,
    input[type="number"]::placeholder,
    textarea::placeholder {
      color: var(--placeholder);
    }

    select {
      height: 48px;
      padding-right: 46px;
      -webkit-appearance: none;
      appearance: none;
      background-image:
        linear-gradient(180deg, var(--input-bg-strong), var(--input-bg)),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 6 8 10.5 12.5 6' fill='none' stroke='%23c6d6e3' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.7'/%3E%3C/svg%3E");
      background-repeat: no-repeat, no-repeat;
      background-position: 0 0, right 14px center;
      background-size: auto, 14px 14px;
    }

    select option,
    select optgroup {
      background: #112633;
      color: var(--text);
    }

    select option:checked {
      background: #1a4550;
      color: #f8feff;
    }

    input:-webkit-autofill,
    input:-webkit-autofill:hover,
    input:-webkit-autofill:focus,
    textarea:-webkit-autofill,
    textarea:-webkit-autofill:hover,
    textarea:-webkit-autofill:focus,
    select:-webkit-autofill,
    select:-webkit-autofill:hover,
    select:-webkit-autofill:focus {
      -webkit-text-fill-color: var(--text);
      box-shadow: 0 0 0 1000px #132b39 inset;
      transition: background-color 5000s ease-in-out 0s;
    }

    .model-select-wrap {
      display: flex;
      gap: 6px;
      align-items: stretch;
    }

    .model-select-wrap select {
      min-width: 0;
      flex: 1;
    }

    .delete-model-btn {
      flex: 0 0 34px;
      height: 42px;
      border: 1px solid #ef4444;
      border-radius: 10px;
      background: transparent;
      color: #ef4444;
      cursor: pointer;
      font-size: 18px;
      font-weight: 700;
      line-height: 1;
      transition: all 0.15s ease;
    }

    .delete-model-btn:hover {
      background: rgba(239, 68, 68, 0.12);
      transform: translateY(-1px);
    }

    textarea {
      min-height: 110px;
      resize: vertical;
      line-height: 1.7;
    }

    /* 提示词按钮容器 */
    .prompt-buttons-container {
      display: flex;
      gap: 12px;
      margin: 14px 0 0;
    }

    #prompt {
      min-height: 190px;
      margin-top: 2px;
      font-size: 15px;
    }

    /* 保存提示词按钮 */
    .save-prompt-from-input-btn {
      flex: 1;
      padding: 10px 16px;
      background: rgba(34, 211, 238, 0.1);
      border: 1px solid var(--accent);
      border-radius: 8px;
      color: var(--accent);
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    .save-prompt-from-input-btn:hover {
      background: rgba(34, 211, 238, 0.2);
      transform: translateY(-1px);
      box-shadow: 0 2px 8px rgba(34, 211, 238, 0.3);
    }

    .save-prompt-from-input-btn:active {
      transform: translateY(0);
    }

    .save-prompt-from-input-btn:disabled {
      opacity: 0.5;
      cursor: not-allowed;
      transform: none;
    }

    /* 优化提示词按钮 */
    .optimize-prompt-btn {
      flex: 1;
      padding: 10px 16px;
      background: rgba(245, 158, 11, 0.1);
      border: 1px solid var(--accent-warm);
      border-radius: 8px;
      color: var(--accent-warm);
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    .optimize-prompt-btn:hover {
      background: rgba(245, 158, 11, 0.18);
      transform: translateY(-1px);
      box-shadow: 0 2px 8px rgba(245, 158, 11, 0.24);
    }

    .optimize-prompt-btn:active {
      transform: translateY(0);
    }

    .optimize-prompt-btn:disabled {
      opacity: 0.5;
      cursor: not-allowed;
      transform: none;
    }

    .config-row {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      align-items: center;
    }

    .config-row>* {
      flex: 1;
      min-width: 220px;
    }

    .workspace-panel > .config-row.surface-block {
      margin-top: 0 !important;
    }

    .config-actions {
      flex: 0 0 auto;
      min-width: auto;
      display: flex;
      flex-direction: row;
      align-items: center;
      justify-content: flex-end;
      gap: 12px;
      padding-top: 22px;
    }

    .config-field {
      display: flex;
      flex-direction: column;
    }

    .remember-api-key {
      display: inline-flex;
      align-items: center;
      justify-content: flex-start;
      gap: 8px;
      margin-top: 8px;
      font-size: 12px;
      color: var(--muted);
      line-height: 1.4;
      user-select: none;
      cursor: pointer;
      align-self: flex-start;
    }

    .inline-setting-toggle {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 8px;
      font-size: 12px;
      color: var(--muted);
      line-height: 1.4;
      user-select: none;
      cursor: pointer;
    }

    .remember-api-key input,
    .inline-setting-toggle input {
      position: absolute;
      opacity: 0;
      pointer-events: none;
    }

    .remember-api-key-switch {
      position: relative;
      width: 34px;
      height: 20px;
      border-radius: 999px;
      background: rgba(148, 163, 184, 0.28);
      border: 1px solid rgba(148, 163, 184, 0.24);
      transition: background-color 0.2s ease, border-color 0.2s ease;
      flex: 0 0 auto;
    }

    .remember-api-key-switch::after {
      content: '';
      position: absolute;
      top: 2px;
      left: 2px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: #f8fafc;
      box-shadow: 0 1px 3px rgba(15, 23, 42, 0.3);
      transition: transform 0.2s ease;
    }

    .remember-api-key input:checked + .remember-api-key-switch,
    .inline-setting-toggle input:checked + .remember-api-key-switch {
      background: rgba(34, 211, 238, 0.3);
      border-color: rgba(34, 211, 238, 0.6);
    }

    .remember-api-key input:checked + .remember-api-key-switch::after,
    .inline-setting-toggle input:checked + .remember-api-key-switch::after {
      transform: translateX(14px);
    }

    .remember-api-key input:focus-visible + .remember-api-key-switch,
    .inline-setting-toggle input:focus-visible + .remember-api-key-switch {
      outline: 2px solid rgba(34, 211, 238, 0.65);
      outline-offset: 2px;
    }

    .remember-api-key-text {
      white-space: nowrap;
    }

    .row {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
      gap: 16px;
      align-items: start;
      margin-top: 18px;
    }

    .row>div {
      min-width: 0;
    }

    .upload-stage,
    .settings-stage {
      height: 100%;
    }

    .settings-stage {
      position: sticky;
      top: 24px;
    }

    .settings-stage .muted + .muted {
      margin-top: 8px;
    }

    #image {
      padding: 14px;
      border-style: dashed;
      border-color: var(--border-strong);
      background: rgba(7, 19, 26, 0.4);
    }

    #image::file-selector-button {
      margin-right: 12px;
      border: none;
      border-radius: 999px;
      padding: 10px 14px;
      font-weight: 700;
      color: #06251f;
      background: linear-gradient(135deg, var(--accent), #2dd4bf);
      cursor: pointer;
    }

    .btn {
      border: none;
      border-radius: 14px;
      padding: 13px 18px;
      font-size: 15px;
      cursor: pointer;
      background: linear-gradient(135deg, var(--accent), #22c55e 120%);
      color: #0b1220;
      font-weight: 700;
      transition: transform 0.12s ease, box-shadow 0.15s ease, filter 0.15s ease;
      text-decoration: none;
      display: inline-block;
      text-align: center;
      box-shadow: 0 14px 32px rgba(20, 184, 166, 0.26);
    }

    .btn:focus-visible,
    .delete-model-btn:focus-visible,
    .label-action-btn:focus-visible {
      outline: 2px solid rgba(94, 234, 212, 0.8);
      outline-offset: 2px;
    }

    .label-action-btn {
      font-size: 11px;
      margin-left: 6px;
      padding: 2px 8px;
      background: transparent;
      border-radius: 4px;
      cursor: pointer;
      white-space: nowrap;
    }

    .label-action-btn.fetch {
      border: 1px solid var(--accent);
      color: var(--accent);
    }

    .label-action-btn.add {
      border: 1px solid #f59e0b;
      color: #f59e0b;
    }

    .btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 36px rgba(20, 184, 166, 0.34);
      filter: saturate(1.05);
    }

    .btn:disabled {
      opacity: 0.55;
      cursor: not-allowed;
      transform: none;
      box-shadow: none;
    }

    .uploads {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
      gap: 12px;
      margin-top: 14px;
    }

    .thumb {
      position: relative;
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      background: var(--card-soft);
      box-shadow: var(--shadow-card);
    }

    .thumb img {
      width: 100%;
      height: 140px;
      object-fit: cover;
      display: block;
    }

    .thumb button {
      position: absolute;
      top: 6px;
      right: 6px;
      border: none;
      background: rgba(15, 23, 42, 0.9);
      color: #f8fafc;
      border-radius: 8px;
      padding: 5px 8px;
      cursor: pointer;
      font-size: 12px;
    }

    .thumb .size-label {
      position: absolute;
      bottom: 6px;
      left: 6px;
      background: rgba(34, 211, 238, 0.9);
      color: #0b1220;
      font-size: 10px;
      font-weight: 600;
      padding: 2px 6px;
      border-radius: 4px;
    }

    .status {
      margin-top: 14px;
      color: var(--muted);
      font-size: 13px;
      min-height: 20px;
      padding: 10px 12px;
      border-radius: 12px;
      background: rgba(7, 19, 26, 0.52);
      border: 1px solid rgba(148, 163, 184, 0.12);
    }

    .status.danger {
      color: var(--danger);
    }

    .status.success {
      color: var(--success);
    }

    .results-panel .config-row {
      align-items: center;
      gap: 10px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(148, 163, 184, 0.12);
      margin-bottom: 16px;
    }

    .results-panel .config-row h2,
    .history-header h2 {
      font-size: 18px !important;
      line-height: 1.25;
    }

    #result-count,
    #history-count {
      flex: 0 0 auto;
      min-width: auto;
      color: var(--text-soft);
    }

    #clear-results,
    #clear-history {
      margin-left: auto;
    }

    .results {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
      gap: 12px;
      margin-top: 0;
      align-items: start;
    }

    .card {
      background: linear-gradient(180deg, rgba(17, 36, 47, 0.96), rgba(10, 24, 33, 0.92));
      border: 1px solid var(--border);
      border-radius: 18px;
      padding: 14px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      animation: fadeIn 0.3s ease;
      box-shadow: var(--shadow-card);
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(10px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .card img {
      width: 100%;
      border-radius: 14px;
      object-fit: cover;
    }

    .results > .result-card,
    .result-group-grid > .result-card {
      gap: 8px;
      padding: 8px;
      border-radius: 14px;
      overflow: hidden;
    }

    .result-thumb-btn {
      width: 100%;
      aspect-ratio: 4 / 3;
      display: block;
      padding: 0;
      overflow: hidden;
      border: 1px solid rgba(148, 163, 184, 0.12);
      border-radius: 12px;
      background: rgba(7, 19, 26, 0.5);
      cursor: zoom-in;
    }

    .result-thumb-btn img {
      width: 100%;
      height: 100%;
      display: block;
      border-radius: 0;
      object-fit: cover;
    }

    .result-video {
      width: 100%;
      aspect-ratio: 16 / 9;
      display: block;
      border-radius: 12px;
      background: #020617;
      object-fit: contain;
    }

    .card .text {
      color: var(--muted);
      white-space: pre-wrap;
      font-size: 13px;
    }

    .card .actions {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      align-items: center;
    }

    .result-card-actions {
      display: grid !important;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 6px !important;
    }

    .result-card-actions .time-label {
      grid-column: 1 / -1;
      text-align: center;
    }

    .card .time-label {
      color: var(--accent);
      font-size: 12px;
      font-weight: 500;
      padding: 4px 8px;
      background: rgba(34, 211, 238, 0.15);
      border-radius: 6px;
    }

    .card .mini-btn {
      padding: 8px 11px;
      border-radius: 10px;
      border: 1px solid var(--border);
      background: rgba(7, 19, 26, 0.56);
      color: var(--text);
      font-size: 13px;
      text-decoration: none;
      cursor: pointer;
    }

    .result-card .mini-btn {
      min-width: 0;
      padding: 7px 6px;
      font-size: 12px;
      text-align: center;
      white-space: nowrap;
    }

    .card .mini-btn:hover {
      background: var(--border);
    }

    .card .mini-btn.primary {
      background: linear-gradient(135deg, var(--accent), #2dd4bf);
      color: #0b1220;
      border: none;
    }

    .continue-panel {
      display: none;
      margin-top: 10px;
      padding: 12px;
      background: var(--bg);
      border-radius: 10px;
      border: 1px solid var(--border);
    }

    .continue-panel.show {
      display: block;
      animation: fadeIn 0.2s ease;
    }

    .continue-panel textarea {
      width: 100%;
      min-height: 60px;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 10px;
      color: var(--text);
      font-size: 13px;
      resize: vertical;
      margin-bottom: 8px;
    }

    .continue-panel .panel-actions {
      display: flex;
      gap: 8px;
    }

    .continue-panel .gen-btn {
      flex: 1;
      padding: 8px 12px;
      border: none;
      border-radius: 8px;
      background: linear-gradient(135deg, #22d3ee, #0ea5e9);
      color: #0b1220;
      font-weight: 600;
      font-size: 13px;
      cursor: pointer;
    }

    .continue-panel .gen-btn:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    .continue-panel .cancel-btn {
      padding: 8px 12px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: transparent;
      color: var(--muted);
      font-size: 13px;
      cursor: pointer;
    }

    .muted {
      color: var(--text-soft);
      font-size: 13px;
      line-height: 1.65;
    }

    /* 图片放大模态框 */
    .lightbox {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.92);
      z-index: 9999;
      justify-content: center;
      align-items: center;
      cursor: zoom-out;
      animation: fadeIn 0.2s ease;
    }

    .lightbox.show {
      display: flex;
    }

    .lightbox img {
      max-width: 90%;
      max-height: 90%;
      border-radius: 12px;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
      animation: zoomIn 0.25s ease;
    }

    @keyframes zoomIn {
      from {
        opacity: 0;
        transform: scale(0.85);
      }

      to {
        opacity: 1;
        transform: scale(1);
      }
    }

    .lightbox .close-btn {
      position: absolute;
      top: 20px;
      right: 24px;
      background: rgba(255, 255, 255, 0.15);
      border: none;
      color: #fff;
      font-size: 28px;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.15s ease;
    }

    .lightbox .close-btn:hover {
      background: rgba(255, 255, 255, 0.25);
    }

    .card img.zoomable {
      cursor: zoom-in;
      transition: transform 0.15s ease, box-shadow 0.15s ease;
    }

    .card img.zoomable:hover {
      transform: scale(1.02);
      box-shadow: 0 8px 24px rgba(34, 211, 238, 0.2);
    }

    /* 保存设置栏 */
    .save-settings {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 12px 16px;
      padding: 16px 18px;
      background: linear-gradient(180deg, rgba(15, 31, 42, 0.95), rgba(10, 24, 33, 0.88));
      border: 1px solid var(--border);
      border-radius: 18px;
      margin-bottom: 0;
      box-shadow: var(--shadow-card);
    }

    .save-settings .save-location-controls,
    .save-settings .history-retention-control {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      min-width: 0;
    }

    .save-settings .history-retention-control {
      justify-self: end;
      max-width: 100%;
    }

    .save-settings .path-label {
      color: var(--muted);
      font-size: 13px;
      flex: 0 0 auto;
    }

    .save-settings .path-value {
      color: var(--accent);
      font-size: 13px;
      font-weight: 500;
      max-width: 240px;
      min-width: 0;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .save-settings .mini-btn {
      padding: 8px 12px;
      border-radius: 10px;
      border: 1px solid var(--border);
      background: rgba(7, 19, 26, 0.56);
      color: var(--text);
      font-size: 12px;
      cursor: pointer;
    }

    .save-settings .mini-btn:hover {
      background: var(--border);
    }

    .save-settings .history-retention-label {
      color: var(--muted);
      font-size: 13px;
      flex: 0 0 auto;
    }

    .save-settings .history-retention-options {
      display: inline-flex;
      border: 1px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
      background: var(--card);
      flex: 0 0 auto;
      max-width: 100%;
    }

    .save-settings .history-retention-option {
      border: 0;
      border-right: 1px solid var(--border);
      background: transparent;
      color: var(--muted);
      cursor: pointer;
      font-size: 12px;
      line-height: 1;
      padding: 9px 12px;
      white-space: nowrap;
    }

    .save-settings .history-retention-option:last-child {
      border-right: 0;
    }

    .save-settings .history-retention-option:hover {
      background: rgba(34, 211, 238, 0.12);
      color: var(--text);
    }

    .save-settings .history-retention-option.active {
      background: rgba(34, 211, 238, 0.22);
      color: var(--accent);
      font-weight: 600;
    }

    /* 历史记录面板 */
    .history-header {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
      flex-wrap: wrap;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    }

    .history-header h2 {
      margin: 0;
      font-size: 18px;
    }

    .history-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
      gap: 14px;
    }

    .history-card {
      background: linear-gradient(180deg, rgba(17, 36, 47, 0.96), rgba(10, 24, 33, 0.92));
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      cursor: pointer;
      transition: transform 0.15s ease, box-shadow 0.15s ease;
      box-shadow: var(--shadow-card);
    }

    .history-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(34, 211, 238, 0.15);
    }

    .history-card img,
    .history-card video,
    .history-image-missing,
    .history-video-placeholder {
      width: 100%;
      height: 120px;
      object-fit: cover;
      display: block;
    }

    .history-image-missing,
    .history-video-placeholder {
      display: grid;
      place-items: center;
      align-content: center;
      gap: 6px;
      background: linear-gradient(135deg, rgba(8, 22, 31, 0.94), rgba(20, 44, 56, 0.82));
      color: #b8fff2;
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.06em;
    }

    .history-image-missing {
      cursor: pointer;
      color: #dffcf7;
    }

    .history-image-missing-icon {
      width: 34px;
      height: 34px;
      display: inline-grid;
      place-items: center;
      border-radius: 999px;
      border: 1px solid rgba(94, 234, 212, 0.36);
      background: rgba(94, 234, 212, 0.14);
      color: #ecfeff;
      font-size: 16px;
      font-weight: 900;
    }

    .history-video-play-icon {
      width: 34px;
      height: 34px;
      display: inline-grid;
      place-items: center;
      border-radius: 999px;
      border: 1px solid rgba(94, 234, 212, 0.36);
      background: rgba(94, 234, 212, 0.14);
      color: #ecfeff;
      font-size: 15px;
    }

    .history-image-wrap {
      position: relative;
      overflow: hidden;
    }

    .history-info-btn {
      position: absolute;
      top: 8px;
      right: 8px;
      width: 28px;
      height: 28px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      border: 1px solid rgba(236, 254, 255, 0.72);
      background: rgba(6, 18, 26, 0.78);
      color: #ecfeff;
      font-size: 15px;
      font-weight: 900;
      line-height: 1;
      cursor: pointer;
      box-shadow: 0 8px 22px rgba(0, 0, 0, 0.32);
      transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
    }

    .history-info-btn:hover {
      transform: translateY(-1px);
      border-color: rgba(94, 234, 212, 0.9);
      background: rgba(14, 116, 144, 0.86);
    }

    .history-card .info {
      padding: 8px 10px;
    }

    .history-prompt-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: start;
      gap: 8px;
      margin-bottom: 6px;
    }

    .history-card .prompt {
      font-size: 12px;
      color: var(--text);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      line-height: 1.4;
      margin-bottom: 4px;
      cursor: pointer;
      transition: color 0.15s ease;
      user-select: none;
    }

    .history-card .prompt:hover {
      color: var(--accent);
    }

    .history-card .meta {
      display: flex;
      flex-direction: column;
      align-items: stretch;
      gap: 8px;
      font-size: 11px;
      color: var(--muted);
    }

    .history-card .meta span {
      display: block;
    }

    .history-card .history-actions {
      position: relative;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 6px;
      overflow: visible;
    }

    .history-card .action-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
      min-height: 28px;
      padding: 4px 8px;
      border: none;
      border-radius: 6px;
      font-size: 12px;
      line-height: 1;
      cursor: pointer;
      transition: background 0.15s ease, opacity 0.15s ease, transform 0.15s ease;
      white-space: nowrap;
    }

    .history-card .action-btn:hover {
      transform: translateY(-1px);
    }

    .history-card .action-btn:disabled {
      opacity: 0.5;
      cursor: not-allowed;
      transform: none;
    }

    .history-card .action-text {
      display: inline;
      font-size: 11px;
    }

    .history-card .download-btn {
      background: rgba(96, 165, 250, 0.2);
      border: none;
      color: #93c5fd;
    }

    .history-card .download-btn:hover {
      background: rgba(96, 165, 250, 0.4);
    }

    .history-card .save-prompt-btn {
      background: rgba(250, 204, 21, 0.16);
      color: #facc15;
    }

    .history-card .save-prompt-btn:hover {
      background: rgba(250, 204, 21, 0.28);
    }

    .history-card .add-btn {
      background: rgba(52, 211, 153, 0.2);
      border: none;
      color: var(--success);
    }

    .history-card .add-btn:hover {
      background: rgba(52, 211, 153, 0.4);
    }

    .history-card .play-btn {
      background: rgba(45, 212, 191, 0.18);
      border: none;
      color: #99f6e4;
    }

    .history-card .play-btn:hover {
      background: rgba(45, 212, 191, 0.34);
    }

    .video-lightbox {
      z-index: 10000;
      align-items: center;
      justify-content: center;
      padding: 24px;
      background: rgba(0, 0, 0, 0.82);
    }

    .video-lightbox-content {
      position: relative;
      width: min(960px, calc(100vw - 36px));
      max-width: 960px;
      padding: 16px;
      background: rgba(7, 19, 26, 0.96);
    }

    .video-lightbox-content video {
      width: 100%;
      max-height: min(76vh, 720px);
      display: block;
      border-radius: 14px;
      background: #000;
    }

    .video-lightbox-close {
      position: absolute;
      top: 10px;
      right: 10px;
      z-index: 1;
    }

    .history-card .delete-btn {
      background: rgba(248, 113, 113, 0.16);
      color: var(--danger);
    }

    .history-card .delete-btn:hover {
      background: rgba(248, 113, 113, 0.28);
    }

    .history-empty {
      text-align: center;
      color: var(--muted);
      padding: 40px 20px;
      font-size: 14px;
    }

    .history-pagination {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-top: 16px;
      padding-top: 14px;
      border-top: 1px solid rgba(148, 163, 184, 0.12);
    }

    .history-page-btn {
      min-width: 96px;
      min-height: 40px;
      padding: 9px 14px;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: rgba(17, 36, 47, 0.96);
      color: var(--text);
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease, opacity 0.15s ease;
    }

    .history-page-btn:hover:not(:disabled) {
      border-color: var(--border-strong);
      background: rgba(22, 47, 63, 0.98);
      transform: translateY(-1px);
    }

    .history-page-btn:disabled {
      opacity: 0.45;
      cursor: not-allowed;
      transform: none;
    }

    .history-page-btn:focus-visible {
      outline: 2px solid rgba(94, 234, 212, 0.8);
      outline-offset: 2px;
    }

    .history-page-meta {
      flex: 1;
      text-align: center;
      color: var(--text-soft);
      font-size: 13px;
      line-height: 1.6;
    }

    .prompt-library-panel {
      margin: 0;
      padding: 18px;
      background: linear-gradient(180deg, rgba(17, 36, 47, 0.96), rgba(10, 24, 33, 0.92));
      border: 1px solid var(--border);
      border-radius: 16px;
      box-shadow: var(--shadow-card);
    }

    .prompt-library-heading {
      width: 100%;
      padding: 0 0 12px;
      background: transparent;
      border: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
      border-bottom: 1px solid rgba(148, 163, 184, 0.12);
      font-size: 15px;
      font-weight: 700;
      color: var(--text);
      cursor: pointer;
      text-align: left;
    }

    .prompt-library-heading:hover {
      color: var(--accent);
    }

    .prompt-library-heading:focus-visible {
      outline: 2px solid rgba(94, 234, 212, 0.8);
      outline-offset: 3px;
      border-radius: 8px;
    }

    .prompt-library-toggle-icon {
      flex: 0 0 auto;
      color: var(--muted);
      font-size: 12px;
      transition: transform 0.2s ease, color 0.2s ease;
    }

    /* 提示词库容器 */
    .prompt-library-container {
      display: flex;
      flex-direction: column;
      gap: 12px;
      max-height: 1600px;
      overflow: hidden;
      opacity: 1;
      transition: max-height 0.28s ease, opacity 0.2s ease;
    }

    .prompt-library-panel.collapsed .prompt-library-heading {
      margin-bottom: 0;
      padding-bottom: 0;
      border-bottom-color: transparent;
    }

    .prompt-library-panel.collapsed .prompt-library-toggle-icon {
      transform: rotate(-90deg);
      color: var(--text-soft);
    }

    .prompt-library-panel.collapsed .prompt-library-container {
      max-height: 0;
      opacity: 0;
      pointer-events: none;
    }

    .prompt-library-tools {
      display: flex;
      justify-content: flex-end;
      gap: 8px;
      flex-wrap: wrap;
    }

    #prompt-library-search {
      flex: 1 1 260px;
      min-width: 200px;
    }

    .prompt-lib-btn {
      min-height: 38px;
      white-space: nowrap;
    }

    .prompt-library-empty {
      text-align: center;
      color: var(--muted);
      padding: 40px 20px;
      font-size: 14px;
    }

    .prompt-library-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    /* 提示词库项目卡片 */
    .prompt-lib-item {
      padding: 14px;
      background: rgba(7, 19, 26, 0.56);
      border: 1px solid var(--border);
      border-radius: 14px;
      transition: all 0.2s ease;
    }

    .prompt-lib-item:hover {
      border-color: var(--accent);
      background: var(--card);
    }

    .prompt-lib-item-title {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      font-size: 14px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 6px;
      word-break: break-word;
    }

    .prompt-lib-title-text {
      min-width: 0;
      word-break: break-word;
    }

    .prompt-source-badge {
      flex: 0 0 auto;
      padding: 2px 7px;
      border-radius: 999px;
      font-size: 11px;
      line-height: 1.4;
      font-weight: 700;
      border: 1px solid transparent;
    }

    .prompt-source-badge.local {
      color: #bbf7d0;
      background: rgba(34, 197, 94, 0.14);
      border-color: rgba(34, 197, 94, 0.3);
    }

    .prompt-source-badge.cloud {
      color: #bae6fd;
      background: rgba(14, 165, 233, 0.14);
      border-color: rgba(14, 165, 233, 0.3);
    }

    .prompt-lib-item-content {
      font-size: 13px;
      color: var(--muted);
      line-height: 1.5;
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      word-break: break-word;
      cursor: pointer;
    }

    .prompt-lib-item-content:hover {
      color: var(--text);
    }

    .prompt-lib-actions {
      display: flex;
      gap: 8px;
      justify-content: flex-end;
    }

    .prompt-lib-btn {
      padding: 6px 12px;
      background: transparent;
      border: 1px solid var(--border);
      border-radius: 6px;
      color: var(--text);
      font-size: 12px;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .prompt-lib-btn:hover {
      border-color: var(--accent);
      background: rgba(34, 211, 238, 0.1);
      color: var(--accent);
    }

    .prompt-lib-btn-delete {
      color: var(--danger);
      border-color: var(--danger);
    }

    .prompt-lib-btn-delete:hover {
      background: rgba(239, 68, 68, 0.1);
      color: var(--danger);
    }

    /* 长提示词 Tooltip */
    .prompt-tooltip {
      position: absolute;
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 12px;
      font-size: 13px;
      color: var(--text);
      max-width: 400px;
      word-break: break-word;
      white-space: normal;
      line-height: 1.5;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      pointer-events: none;
      animation: tooltipFadeIn 0.2s ease;
    }

    @keyframes tooltipFadeIn {
      from {
        opacity: 0;
        transform: translateY(-4px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* 对话框样式 */
    .dialog-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.7);
      z-index: 9998;
      align-items: center;
      justify-content: center;
    }

    .dialog-overlay.active {
      display: flex;
    }

    .dialog-content {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 24px;
      max-width: 400px;
      width: 90%;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    }

    .announcement-dialog {
      max-width: 480px;
    }

    .history-params-dialog {
      max-width: 520px;
    }

    .history-param-grid {
      display: grid;
      grid-template-columns: minmax(86px, 0.7fr) minmax(0, 1.3fr);
      gap: 10px;
      margin-top: 14px;
      padding: 12px;
      border: 1px solid rgba(148, 163, 184, 0.16);
      border-radius: 14px;
      background: rgba(7, 19, 26, 0.44);
    }

    .history-param-label {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.45;
    }

    .history-param-value {
      color: var(--text);
      font-size: 13px;
      line-height: 1.45;
      font-weight: 600;
      overflow-wrap: anywhere;
      word-break: break-word;
      text-align: right;
    }

    .dialog-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 16px;
    }

    .announcement-copy {
      margin: 0 0 18px;
      padding: 14px 16px;
      border: 1px solid rgba(94, 234, 212, 0.22);
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(94, 234, 212, 0.12), rgba(245, 158, 11, 0.08));
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .announcement-copy p {
      margin: 0;
    }

    .announcement-copy p + p {
      margin-top: 10px;
    }

    .announcement-copy code {
      color: var(--accent);
    }

    .announcement-copy a {
      color: var(--accent);
      text-decoration: none;
      font-weight: 600;
    }

    .announcement-copy a:hover {
      text-decoration: underline;
    }

    .dialog-desc {
      margin: -6px 0 14px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.5;
    }

    .dialog-input {
      width: 100%;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 10px 12px;
      color: var(--text);
      font-size: 14px;
      margin-bottom: 16px;
      outline: none;
    }

    .dialog-input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.2);
    }

    .dialog-actions {
      display: flex;
      gap: 12px;
      justify-content: flex-end;
    }

    .dialog-btn {
      padding: 10px 16px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
      border: none;
    }

    .dialog-btn-cancel {
      background: var(--card);
      color: var(--text);
    }

    .dialog-btn-cancel:hover {
      background: var(--border);
    }

    .dialog-btn-confirm {
      background: var(--accent);
      color: white;
    }

    .dialog-btn-confirm:hover {
      background: #0ea5e9;
    }

    .dialog-btn-confirm:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    /* 角度调整弹窗样式 */
    .angle-modal-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.7);
      z-index: 9999;
      align-items: center;
      justify-content: center;
    }

    .angle-modal-overlay.active {
      display: flex;
    }

    .angle-modal {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 16px;
      width: 95%;
      max-width: 1400px;
      height: 95vh;
      overflow: hidden;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
      display: flex;
      flex-direction: column;
    }

    .angle-modal-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 24px;
      border-bottom: 1px solid var(--border);
    }

    .angle-modal-title {
      font-size: 18px;
      font-weight: 600;
      color: var(--text);
    }

    .angle-modal-close {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: transparent;
      border: none;
      color: var(--muted);
      cursor: pointer;
      font-size: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.2s ease;
    }

    .angle-modal-close:hover {
      background: var(--card);
      color: var(--text);
    }

    .angle-modal-body {
      padding: 0;
      display: flex;
      flex-direction: column;
      flex: 1;
      overflow: hidden;
    }

    .angle-modal-main {
      display: flex;
      flex: 1;
      gap: 20px;
      padding: 20px;
      overflow: hidden;
    }

    /* 左侧参考图片面板 */
    .angle-reference-panel {
      width: 240px;
      background: rgba(15, 23, 42, 0.5);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 16px;
      display: flex;
      flex-direction: column;
      max-height: 400px;
    }

    .angle-reference-title {
      font-size: 14px;
      color: var(--muted);
      margin-bottom: 12px;
      font-weight: 600;
    }

    .angle-reference-image {
      flex: 1;
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }

    .angle-reference-placeholder {
      color: var(--muted);
      font-size: 13px;
      text-align: center;
    }

    .angle-reference-image img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    .angle-reference-close {
      position: absolute;
      top: 8px;
      right: 8px;
      width: 24px;
      height: 24px;
      border-radius: 6px;
      background: rgba(0, 0, 0, 0.6);
      color: white;
      border: none;
      cursor: pointer;
      font-size: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.2s ease;
    }

    .angle-reference-image:hover .angle-reference-close {
      opacity: 1;
    }

    /* 中央3D画布容器 */
    .angle-canvas-container {
      flex: 1;
      background: rgba(15, 23, 42, 0.3);
      border: 1px solid var(--border);
      border-radius: 12px;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .angle-canvas-hint {
      position: absolute;
      top: 16px;
      left: 50%;
      transform: translateX(-50%);
      font-size: 13px;
      color: var(--muted);
      background: rgba(0, 0, 0, 0.6);
      padding: 8px 16px;
      border-radius: 6px;
      z-index: 10;
      pointer-events: none;
    }

    #angle-canvas {
      width: 100%;
      height: 100%;
      display: block;
    }

    /* 底部滑块控制面板（浮动面板） */
    .angle-controls-panel {
      position: absolute;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%);
      width: 80%;
      max-width: 900px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(10px);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 20px 24px;
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
      z-index: 10;
    }

    .angle-controls-title {
      font-size: 14px;
      color: var(--muted);
      margin-bottom: 16px;
      font-weight: 600;
    }

    .angle-control-group {
      margin-bottom: 20px;
    }

    .angle-control-label {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 8px;
      font-size: 14px;
      color: var(--text);
    }

    .angle-control-value {
      font-weight: 600;
      color: var(--accent);
    }

    .angle-slider {
      width: 100%;
      height: 6px;
      border-radius: 3px;
      background: var(--card);
      outline: none;
      -webkit-appearance: none;
    }

    .angle-slider::-webkit-slider-thumb {
      -webkit-appearance: none;
      appearance: none;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--accent);
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .angle-slider::-webkit-slider-thumb:hover {
      transform: scale(1.2);
      box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.2);
    }

    .angle-slider::-moz-range-thumb {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--accent);
      cursor: pointer;
      border: none;
      transition: all 0.2s ease;
    }

    .angle-slider::-moz-range-thumb:hover {
      transform: scale(1.2);
      box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.2);
    }

    .angle-prompt-preview {
      margin-top: 24px;
      padding: 16px;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 10px;
    }

    .angle-prompt-preview-title {
      font-size: 13px;
      color: var(--muted);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .angle-prompt-preview-content {
      font-size: 14px;
      color: var(--text);
      line-height: 1.6;
      min-height: 40px;
    }

    .angle-modal-footer {
      display: flex;
      gap: 12px;
      justify-content: flex-end;
      padding: 16px 24px;
      border-top: 1px solid var(--border);
    }

    .angle-modal-btn {
      padding: 10px 20px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
      border: none;
    }

    .angle-modal-btn-cancel {
      background: var(--card);
      color: var(--text);
    }

    .angle-modal-btn-cancel:hover {
      background: var(--panel);
    }

    .angle-modal-btn-confirm {
      background: var(--accent);
      color: white;
    }

    .angle-modal-btn-confirm:hover {
      background: #0ea5e9;
    }

    /* 结果分组显示样式 */
    .result-group {
      grid-column: 1 / -1;
      background: linear-gradient(180deg, rgba(9, 22, 31, 0.96), rgba(6, 16, 23, 0.96));
      border: 1px solid var(--border-strong);
      border-radius: 20px;
      padding: 18px;
      margin-bottom: 4px;
      box-shadow: var(--shadow-card);
    }

    .result-group-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border);
    }

    .result-group-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--accent);
    }

    .result-group-meta {
      font-size: 12px;
      color: var(--muted);
    }

    .result-group-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
      gap: 12px;
    }

    @media (max-width: 1080px) {
      .hero-banner {
        grid-template-columns: 1fr;
        align-items: start;
      }

      .hero-meta {
        justify-items: start;
      }

      .row {
        grid-template-columns: 1fr;
      }

      .settings-stage {
        position: static;
      }
    }

    @media (max-width: 760px) {
      body {
        padding: 12px;
        background-attachment: fixed;
      }

      .app {
        gap: 12px;
      }

      .panel {
        padding: 14px;
        border-radius: 14px;
      }

      .workspace-panel,
      .results-panel,
      .history-panel {
        padding: 14px;
      }

      .surface-block,
      .prompt-library-panel,
      .save-settings,
      .upload-stage,
      .settings-stage {
        padding: 14px;
        border-radius: 16px;
      }

      h1 {
        font-size: 26px;
        line-height: 1.15;
      }

      .workspace-hero-top {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
      }

      .hero-badges {
        gap: 8px;
        margin-bottom: 0;
      }

      .workspace-hero-tools {
        justify-content: flex-start;
      }

      .announcement-trigger {
        align-self: flex-start;
      }

      .hero-badge {
        min-height: 30px;
        padding: 6px 10px;
        font-size: 11px;
      }

      p.sub,
      .deploy-note {
        font-size: 12px;
      }

      label {
        margin-top: 12px;
      }

      input[type="text"],
      input[type="number"],
      textarea,
      select,
      .btn {
        min-height: 44px;
        font-size: 16px;
      }

      select {
        background-position: 0 0, right 12px center;
      }

      .config-row,
      .row {
        display: grid;
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .config-row>* {
        min-width: 0;
        width: 100%;
      }

      .config-actions {
        min-width: 0;
        padding-top: 0;
        gap: 10px;
        justify-content: flex-start;
        flex-wrap: wrap;
      }

      .remember-api-key {
        justify-content: flex-start;
        order: 1;
      }

      .remember-api-key-text {
        white-space: normal;
      }

      .model-select-wrap {
        gap: 8px;
      }

      #image {
        padding: 12px;
      }

      .label-action-btn {
        margin-top: 6px;
        margin-left: 0;
        min-height: 32px;
        padding: 5px 10px;
      }

      .delete-model-btn {
        flex-basis: 42px;
        height: 44px;
      }

      .save-settings {
        display: grid;
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 12px;
      }

      .save-settings .save-location-controls,
      .save-settings .history-retention-control {
        width: 100%;
        justify-self: stretch;
      }

      .save-settings .save-location-controls {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr);
        gap: 8px;
      }

      .save-settings .path-value {
        max-width: 100%;
      }

      .save-settings .history-retention-options {
        width: 100%;
        flex: 1;
      }

      .save-settings .history-retention-option {
        flex: 1;
        min-height: 40px;
      }

      .save-settings .mini-btn {
        width: 100%;
        min-height: 40px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .save-settings .mini-btn:first-of-type {
        grid-column: 1 / -1;
      }

      .save-settings .mini-btn + .mini-btn {
        grid-column: 1 / -1;
      }

      .card .mini-btn {
        width: 100%;
        min-height: 40px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .prompt-buttons-container {
        display: grid;
        grid-template-columns: 1fr;
      }

      .prompt-library-heading {
        margin-bottom: 12px;
        padding-bottom: 10px;
      }

      .prompt-library-tools {
        justify-content: stretch;
      }

      #prompt-library-search {
        min-width: 0;
        width: 100%;
      }

      .prompt-lib-btn {
        width: 100%;
      }

      .card .actions {
        display: grid;
        grid-template-columns: 1fr;
      }

      #clear-results,
      #clear-history {
        margin-left: 0;
        width: 100% !important;
      }

      .results {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .history-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
      }

      .history-card img {
        height: 96px;
      }

      .history-card .history-actions {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .history-card .action-btn {
        min-height: 34px;
        padding: 6px 8px;
      }

      .history-pagination {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
      }

      .history-page-meta {
        grid-column: 1 / -1;
        order: -1;
      }

      .history-page-btn {
        width: 100%;
      }

      .dialog-content {
        width: calc(100% - 24px);
        padding: 18px;
        max-height: min(88vh, 920px);
        overflow-y: auto;
      }

      .history-param-grid {
        grid-template-columns: 1fr;
        gap: 6px;
      }

      .history-param-value {
        text-align: left;
        margin-bottom: 6px;
      }

      .dialog-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
      }

      .lightbox {
        padding: 12px;
      }

      .lightbox .close-btn {
        top: 12px;
        right: 12px;
      }
    }

    @media (max-width: 420px) {
      body {
        padding: 8px;
      }

      .panel {
        padding: 12px;
      }

      .hero-badges {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .announcement-trigger {
        width: 100%;
        justify-content: center;
      }

      .history-grid {
        grid-template-columns: 1fr;
      }
    }

    /* 分镜生成相关样式 */
    .storyboard-overlay {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.7);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 10000;
      animation: fadeIn 0.2s ease;
    }

    .storyboard-panel {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 16px;
      width: 90%;
      max-width: 800px;
      max-height: 80vh;
      display: flex;
      flex-direction: column;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    }

    .storyboard-header {
      padding: 20px;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .storyboard-header h3 {
      margin: 0;
      font-size: 18px;
      color: var(--text);
    }

    .storyboard-close {
      background: none;
      border: none;
      color: var(--muted);
      font-size: 24px;
      cursor: pointer;
      padding: 0;
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      transition: all 0.2s;
    }

    .storyboard-close:hover {
      background: var(--card);
      color: var(--text);
    }

    .storyboard-content {
      padding: 20px;
      overflow-y: auto;
      flex: 1;
    }

    .storyboard-input-area {
      margin-bottom: 16px;
    }

    .storyboard-input-area label {
      display: block;
      margin-bottom: 8px;
      color: var(--muted);
      font-size: 14px;
    }

    .storyboard-textarea {
      width: 100%;
      min-height: 300px;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 12px;
      color: var(--text);
      font-size: 14px;
      font-family: inherit;
      resize: vertical;
      outline: none;
    }

    .storyboard-textarea:focus {
      border-color: var(--accent);
    }

    .storyboard-actions {
      padding: 20px;
      border-top: 1px solid var(--border);
      display: flex;
      gap: 12px;
      justify-content: flex-end;
    }

    .storyboard-btn {
      padding: 10px 20px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
      border: none;
    }

    .storyboard-btn-primary {
      background: var(--accent);
      color: var(--bg);
    }

    .storyboard-btn-primary:hover {
      opacity: 0.9;
      transform: translateY(-1px);
    }

    .storyboard-btn-secondary {
      background: var(--card);
      color: var(--text);
      border: 1px solid var(--border);
    }

    .storyboard-btn-secondary:hover {
      background: var(--border);
    }

    .storyboard-preview-section {
      margin-bottom: 20px;
    }

    .storyboard-section-title {
      font-size: 14px;
      font-weight: 600;
      color: var(--accent);
      margin-bottom: 8px;
    }

    .storyboard-global-req {
      width: 100%;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 12px;
      color: var(--text);
      font-size: 13px;
      line-height: 1.6;
      resize: vertical;
      min-height: 50px;
      font-family: inherit;
      outline: none;
      transition: border-color 0.2s;
    }

    .storyboard-global-req:focus {
      border-color: var(--accent);
    }

    .storyboard-shots-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .storyboard-shot-item {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 12px;
      display: flex;
      gap: 8px;
    }

    .storyboard-shot-number {
      color: var(--accent);
      font-weight: 600;
      font-size: 13px;
      flex-shrink: 0;
    }

    .storyboard-shot-desc {
      color: var(--text);
      font-size: 13px;
      line-height: 1.6;
      flex: 1;
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 8px;
      resize: vertical;
      min-height: 50px;
      font-family: inherit;
      outline: none;
      transition: border-color 0.2s;
    }

    .storyboard-shot-desc:focus {
      border-color: var(--accent);
    }

    .storyboard-loading {
      text-align: center;
      padding: 40px 20px;
    }

    .storyboard-spinner {
      width: 48px;
      height: 48px;
      border: 4px solid var(--border);
      border-top-color: var(--accent);
      border-radius: 50%;
      animation: spin 1s linear infinite;
      margin: 0 auto 16px;
    }

    @keyframes spin {
      to {
        transform: rotate(360deg);
      }
    }

    .storyboard-loading-text {
      color: var(--muted);
      font-size: 14px;
    }

    /* 提示词对比弹窗样式 */
    .prompt-compare-overlay {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.7);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 10000;
      animation: fadeIn 0.2s ease;
    }

    .prompt-compare-panel {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 16px;
      width: 90%;
      max-width: 900px;
      max-height: 85vh;
      display: flex;
      flex-direction: column;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
      overflow: hidden;
    }

    .prompt-compare-header {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .prompt-compare-header h3 {
      margin: 0;
      font-size: 18px;
      color: var(--text);
    }

    .prompt-compare-close {
      background: none;
      border: none;
      color: var(--muted);
      font-size: 24px;
      cursor: pointer;
      padding: 0;
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      transition: all 0.2s;
    }

    .prompt-compare-close:hover {
      background: var(--card);
      color: var(--text);
    }

    .prompt-compare-content {
      padding: 24px;
      overflow-y: auto;
      flex: 1;
    }

    .prompt-compare-section {
      margin-bottom: 24px;
    }

    .prompt-compare-section:last-child {
      margin-bottom: 0;
    }

    .prompt-compare-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--accent);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .prompt-compare-text {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 16px;
      color: var(--text);
      font-size: 14px;
      line-height: 1.6;
      white-space: pre-wrap;
      word-break: break-word;
      max-height: 200px;
      overflow-y: auto;
    }

    .prompt-compare-loading {
      text-align: center;
      padding: 20px;
      color: var(--muted);
    }

    .prompt-compare-actions {
      padding: 20px 24px;
      border-top: 1px solid var(--border);
      display: flex;
      gap: 12px;
      justify-content: flex-end;
    }

    .prompt-compare-btn {
      padding: 10px 20px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
      border: none;
    }

    .prompt-compare-btn-secondary {
      background: var(--card);
      color: var(--text);
      border: 1px solid var(--border);
    }

    .prompt-compare-btn-secondary:hover {
      background: var(--border);
    }

    .prompt-compare-btn-primary {
      background: var(--accent);
      color: var(--bg);
    }

    .prompt-compare-btn-primary:hover {
      opacity: 0.9;
      transform: translateY(-1px);
    }

    .prompt-compare-btn-primary:disabled {
      opacity: 0.5;
      cursor: not-allowed;
      transform: none;
    }

    .gif-tool-panel {
      max-width: 980px;
      width: min(980px, calc(100vw - 24px));
      max-height: min(88vh, 820px);
    }

    .gif-tool-content {
      display: grid;
      gap: 16px;
      min-height: 0;
    }

    .gif-tool-tabs {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 6px;
      padding: 4px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: rgba(15, 23, 42, 0.32);
    }

    .gif-tool-tab {
      min-height: 36px;
      border: none;
      border-radius: 999px;
      background: transparent;
      color: var(--muted);
      font-weight: 800;
      cursor: pointer;
    }

    .gif-tool-tab.active {
      background: var(--accent);
      color: var(--bg);
    }

    .gif-tab-panel {
      min-height: 0;
    }

    .gif-grid-layout {
      display: grid;
      grid-template-columns: minmax(280px, 0.95fr) minmax(280px, 1fr);
      gap: 16px;
      align-items: start;
    }

    .gif-grid-form,
    .gif-grid-preview-column {
      display: grid;
      gap: 12px;
      min-width: 0;
    }

    .gif-field,
    .gif-field-row {
      display: grid;
      gap: 8px;
    }

    .gif-field {
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .gif-field-row {
      grid-template-columns: minmax(0, 1fr) minmax(120px, 160px);
    }

    .gif-field textarea,
    .gif-field select,
    .gif-field input {
      width: 100%;
      border: 1px solid var(--border);
      border-radius: 10px;
      background: var(--card);
      color: var(--text);
      padding: 10px 12px;
      font: inherit;
    }

    .gif-field textarea {
      min-height: 126px;
      resize: vertical;
      line-height: 1.55;
    }

    .gif-ref-drop {
      display: grid;
      gap: 5px;
      place-items: center;
      min-height: 94px;
      padding: 14px;
      border: 1px dashed rgba(94, 234, 212, 0.42);
      border-radius: 12px;
      background: rgba(14, 116, 144, 0.12);
      color: var(--text);
      text-align: center;
      cursor: pointer;
    }

    .gif-ref-drop span,
    .gif-ref-empty {
      color: var(--muted);
      font-size: 12px;
      line-height: 1.45;
    }

    .gif-ref-drop.dragging {
      border-color: var(--accent);
      background: rgba(94, 234, 212, 0.16);
    }

    .gif-ref-list {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
      gap: 8px;
      min-height: 34px;
    }

    .gif-ref-item {
      display: grid;
      gap: 5px;
      padding: 6px;
      border: 1px solid var(--border);
      border-radius: 9px;
      background: var(--card);
      min-width: 0;
    }

    .gif-ref-item img {
      width: 100%;
      aspect-ratio: 1;
      object-fit: cover;
      border-radius: 7px;
      background: var(--panel);
    }

    .gif-ref-item span {
      color: var(--muted);
      font-size: 11px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .gif-preview-title {
      color: var(--accent);
      font-size: 13px;
      font-weight: 800;
      margin-top: 2px;
    }

    .gif-source-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(104px, 1fr));
      gap: 10px;
    }

    .gif-source-item {
      display: grid;
      gap: 7px;
      padding: 9px;
      border: 1px solid var(--border);
      border-radius: 10px;
      background: var(--card);
      color: var(--text);
      cursor: pointer;
      min-width: 0;
    }

    .gif-source-item img {
      width: 100%;
      height: 76px;
      aspect-ratio: auto;
      object-fit: cover;
      border-radius: 8px;
      background: var(--panel);
    }

    .gif-source-item span {
      font-size: 12px;
      color: var(--muted);
    }

    .gif-order-control {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      align-items: center;
      gap: 6px;
    }

    .gif-order-control input {
      min-width: 0;
      min-height: 30px;
      border: 1px solid var(--border);
      border-radius: 7px;
      background: var(--panel);
      color: var(--text);
      padding: 4px 6px;
    }

    .gif-mode-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-bottom: 18px;
    }

    .gif-mode-card {
      display: grid;
      gap: 6px;
      text-align: left;
      padding: 14px;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: var(--card);
      color: var(--text);
      cursor: pointer;
    }

    .gif-mode-card.active {
      border-color: var(--accent);
      box-shadow: 0 0 0 1px rgba(94, 234, 212, 0.24);
    }

    .gif-mode-card small {
      color: var(--muted);
      line-height: 1.45;
    }

    .gif-custom-panel {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      padding: 14px;
      margin-bottom: 18px;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: rgba(15, 23, 42, 0.34);
    }

    .gif-custom-panel label {
      display: grid;
      gap: 6px;
      font-size: 12px;
      color: var(--muted);
    }

    .gif-custom-panel select,
    .gif-custom-panel input[type="number"] {
      width: 100%;
      min-height: 38px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--card);
      color: var(--text);
      padding: 8px 10px;
    }

    .gif-loop-field {
      align-content: end;
      grid-template-columns: auto 1fr;
      align-items: center;
      color: var(--text);
    }

    .gif-preview-box {
      min-height: 168px;
      max-height: 340px;
      display: grid;
      place-items: center;
      border: 1px dashed var(--border);
      border-radius: 12px;
      background: var(--card);
      overflow: hidden;
      padding: 10px;
    }

    [data-gif-panel="local"] .gif-preview-box {
      width: min(100%, 520px);
      margin-inline: auto;
    }

    .gif-preview-img {
      max-width: 100%;
      width: auto;
      height: auto;
      max-height: 300px;
      object-fit: contain;
      border-radius: 8px;
      background: var(--panel);
    }

    .gif-grid-img {
      max-width: 100%;
      max-height: 250px;
      width: auto;
      height: auto;
      object-fit: contain;
      border-radius: 8px;
      background: var(--panel);
    }

    .gif-preview-empty {
      padding: 20px;
      color: var(--muted);
      text-align: center;
      font-size: 13px;
    }

    @media (max-width: 720px) {
      .gif-grid-layout,
      .gif-field-row,
      .gif-mode-grid,
      .gif-custom-panel {
        grid-template-columns: 1fr;
      }

      .gif-tool-panel {
        width: calc(100vw - 18px);
        max-height: 90vh;
      }

      .gif-preview-box {
        min-height: 150px;
      }
    }

    /* Studio redesign overrides */
    body {
      background:
        radial-gradient(circle at top left, rgba(94, 234, 212, 0.12), transparent 28%),
        radial-gradient(circle at top right, rgba(14, 165, 233, 0.09), transparent 24%),
        radial-gradient(circle at bottom, rgba(245, 158, 11, 0.08), transparent 22%),
        linear-gradient(180deg, rgba(7, 19, 26, 0.94), rgba(4, 16, 23, 1)),
        var(--bg);
      padding: 18px;
    }

    .app.studio-layout {
      max-width: 1540px;
      grid-template-columns: minmax(0, 1.62fr) minmax(360px, 0.92fr);
      gap: 18px;
      align-items: start;
    }

    .creation-studio,
    .output-rail {
      min-width: 0;
    }

    .output-rail {
      display: grid;
      gap: 18px;
      position: sticky;
      top: 18px;
      align-self: start;
    }

    .workspace-panel {
      gap: 18px;
      padding: 24px;
      border-radius: 28px;
    }

    .results-panel,
    .history-panel {
      padding: 20px;
      border-radius: 24px;
    }

    .studio-hero {
      align-items: stretch;
      gap: 18px;
      padding: 4px 2px 6px;
    }

    .studio-hero-copy,
    .studio-hero-meta {
      min-width: 0;
    }

    .studio-hero-meta {
      display: grid;
      justify-items: end;
      gap: 12px;
      align-content: start;
    }

    .studio-status-card {
      min-width: 280px;
      padding: 16px 18px;
      border-radius: 20px;
      border: 1px solid rgba(94, 234, 212, 0.16);
      background: linear-gradient(180deg, rgba(14, 34, 46, 0.9), rgba(9, 22, 31, 0.96));
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
    }

    .studio-status-label {
      display: block;
      margin-bottom: 8px;
      color: var(--muted);
      font-size: 12px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .studio-status-card strong {
      display: block;
      font-size: 20px;
      line-height: 1.2;
      margin-bottom: 10px;
    }

    .studio-status-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .studio-status-tag,
    .section-kicker {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 6px 10px;
      border-radius: 999px;
      border: 1px solid rgba(94, 234, 212, 0.16);
      background: rgba(7, 19, 26, 0.56);
      color: var(--text-soft);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .section-kicker {
      margin-bottom: 10px;
    }

    .studio-section-heading {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 18px;
    }

    .studio-section-heading.compact {
      margin-bottom: 16px;
    }

    .studio-section-heading h2,
    .output-panel-copy h2 {
      margin: 0;
      font-size: 22px;
      line-height: 1.1;
    }

    .studio-section-heading p {
      margin: 0;
      max-width: 46ch;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .provider-hub,
    .model-control-block,
    .prompt-studio-block,
    .advanced-tools,
    .studio-save-settings {
      border-radius: 22px;
      padding: 20px;
    }

    .platform-switcher {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-bottom: 18px;
    }

    .platform-kind-toggle {
      display: inline-grid;
      grid-template-columns: repeat(2, minmax(52px, 1fr));
      gap: 4px;
      padding: 4px;
      border-radius: 12px;
      border: 1px solid rgba(148, 163, 184, 0.16);
      background: rgba(7, 19, 26, 0.5);
      flex-shrink: 0;
    }

    .platform-kind-btn {
      min-height: 28px;
      padding: 0 10px;
      border: 0;
      border-radius: 9px;
      background: transparent;
      color: var(--muted);
      font-size: 12px;
      font-weight: 700;
      cursor: pointer;
    }

    .platform-kind-btn.active {
      background: rgba(20, 184, 166, 0.16);
      color: var(--text);
      box-shadow: inset 0 0 0 1px rgba(94, 234, 212, 0.26);
    }

    .platform-switcher-item {
      display: grid;
      gap: 6px;
      padding: 14px 16px;
      border-radius: 18px;
      border: 1px solid rgba(148, 163, 184, 0.14);
      background: linear-gradient(180deg, rgba(13, 30, 41, 0.96), rgba(8, 20, 28, 0.98));
      color: var(--text);
      text-align: left;
      cursor: pointer;
      transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .platform-switcher-item:hover {
      border-color: rgba(94, 234, 212, 0.24);
      transform: translateY(-1px);
      box-shadow: 0 14px 30px rgba(7, 19, 26, 0.22);
    }

    .platform-switcher-item.active {
      border-color: rgba(94, 234, 212, 0.42);
      background: linear-gradient(180deg, rgba(16, 42, 56, 0.98), rgba(9, 25, 34, 1));
      box-shadow: 0 18px 42px rgba(7, 19, 26, 0.26), inset 0 1px 0 rgba(94, 234, 212, 0.08);
    }

    .platform-switcher-item.pending {
      border-style: dashed;
    }

    .platform-switcher-item.video {
      border-color: rgba(251, 191, 36, 0.2);
    }

    .platform-switcher-name {
      font-size: 15px;
      font-weight: 700;
    }

    .platform-switcher-meta {
      color: var(--muted);
      font-size: 12px;
      line-height: 1.5;
    }

    .platform-meta-strip {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 14px 16px;
      margin-bottom: 14px;
      border-radius: 18px;
      border: 1px solid rgba(148, 163, 184, 0.1);
      background: rgba(7, 19, 26, 0.46);
    }

    .platform-meta-main {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }

    .platform-meta-main strong {
      font-size: 18px;
      line-height: 1.1;
    }

    .platform-type-badge {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 4px 10px;
      border-radius: 999px;
      background: rgba(94, 234, 212, 0.12);
      border: 1px solid rgba(94, 234, 212, 0.2);
      color: #b8fff2;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.06em;
    }

    .platform-type-badge.video {
      background: rgba(251, 191, 36, 0.12);
      border-color: rgba(251, 191, 36, 0.22);
      color: #fde68a;
    }

    .platform-type-badge.pending {
      box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.1);
    }

    .platform-meta-note {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
      max-width: 44ch;
      text-align: right;
    }

    .platform-template-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 14px;
      padding: 16px;
      margin-bottom: 18px;
      border-radius: 18px;
      border: 1px solid rgba(148, 163, 184, 0.1);
      background: linear-gradient(180deg, rgba(11, 24, 34, 0.92), rgba(7, 18, 26, 0.96));
    }

    .platform-template-label {
      display: inline-block;
      margin-bottom: 8px;
      color: var(--accent);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .platform-template-copy p,
    .platform-support-note {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .platform-support-note {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 14px;
      border-radius: 14px;
      background: rgba(34, 197, 94, 0.12);
      border: 1px solid rgba(34, 197, 94, 0.18);
      color: #bbf7d0;
      text-align: center;
    }

    .platform-support-note.pending {
      background: rgba(245, 158, 11, 0.12);
      border-color: rgba(245, 158, 11, 0.18);
      color: #fde68a;
    }

    .provider-state {
      display: inline-flex;
      align-items: center;
      min-height: 24px;
      padding: 4px 8px;
      border-radius: 999px;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.05em;
    }

    .provider-state.live {
      color: #bbf7d0;
      background: rgba(34, 197, 94, 0.14);
      border: 1px solid rgba(34, 197, 94, 0.22);
    }

    .provider-state.pending {
      color: #fde68a;
      background: rgba(245, 158, 11, 0.12);
      border: 1px solid rgba(245, 158, 11, 0.22);
    }

    .provider-config-row,
    .runtime-config-row {
      gap: 16px;
      align-items: stretch;
    }

    .provider-config-row .config-actions,
    .runtime-config-row .config-actions {
      justify-content: flex-end;
    }

    .provider-actions {
      padding-top: 28px;
    }

    .api-link-inline {
      margin-left: 8px;
      font-size: 12px;
      color: var(--accent);
      text-decoration: none;
      font-weight: 600;
    }

    .api-link-inline:hover {
      text-decoration: underline;
    }

    .prompt-studio-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
      align-items: start;
    }

    .prompt-editor-pane {
      min-width: 0;
    }

    .prompt-editor-pane #prompt {
      min-height: 246px;
    }

    .prompt-library-panel {
      margin: 0;
      border-radius: 20px;
      background: linear-gradient(180deg, rgba(13, 30, 41, 0.92), rgba(8, 20, 28, 0.96));
    }

    .prompt-library-heading {
      padding-top: 0;
    }

    .generation-controls {
      margin-top: 0;
      grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
      gap: 18px;
    }

    .upload-stage,
    .settings-stage {
      border-radius: 22px;
      padding: 20px;
    }

    .settings-stage {
      top: 18px;
    }

    .platform-params-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .platform-param-field {
      min-width: 0;
    }

    .platform-param-field.is-hidden {
      display: none;
    }

    .platform-extra-fields {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 14px;
    }

    .platform-extra-card {
      padding: 14px 16px;
      border-radius: 16px;
      border: 1px dashed rgba(148, 163, 184, 0.18);
      background: rgba(7, 19, 26, 0.42);
    }

    .platform-extra-card strong {
      display: block;
      margin-bottom: 8px;
      font-size: 14px;
    }

    .platform-extra-card p {
      margin: 0;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.7;
    }

    .platform-pending-box {
      margin-top: 14px;
      padding: 14px 16px;
      border-radius: 16px;
      border: 1px solid rgba(245, 158, 11, 0.2);
      background: rgba(120, 53, 15, 0.18);
      color: #fde68a;
      font-size: 13px;
      line-height: 1.7;
    }

    .studio-run-btn {
      width: 100%;
      margin-top: 12px;
    }

    .advanced-tools {
      background: linear-gradient(180deg, rgba(14, 31, 41, 0.95), rgba(9, 20, 28, 0.98));
    }

    .advanced-tools-heading {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 0;
      border: none;
      background: transparent;
      color: var(--text);
      cursor: pointer;
      text-align: left;
    }

    .advanced-tools-heading strong {
      display: block;
      font-size: 22px;
      line-height: 1.1;
    }

    .advanced-tools-body {
      overflow: hidden;
      max-height: 520px;
      opacity: 1;
      transition: max-height 0.24s ease, opacity 0.2s ease, margin-top 0.2s ease;
      margin-top: 16px;
    }

    .advanced-tools.collapsed .advanced-tools-body {
      max-height: 0;
      opacity: 0;
      margin-top: 0;
      pointer-events: none;
    }

    .advanced-tools.collapsed .prompt-library-toggle-icon {
      transform: rotate(-90deg);
    }

    .advanced-tools-copy {
      margin: 0 0 14px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .advanced-tools-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .advanced-tool-btn,
    .advanced-tool-placeholder {
      min-height: 122px;
      padding: 16px;
      border-radius: 18px;
      border: 1px solid var(--border);
      background: linear-gradient(180deg, rgba(12, 29, 39, 0.92), rgba(8, 20, 28, 0.96));
      color: var(--text);
    }

    .advanced-tool-btn {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      cursor: pointer;
      transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
      text-align: left;
    }

    .advanced-tool-btn:hover {
      border-color: rgba(94, 234, 212, 0.3);
      transform: translateY(-1px);
      box-shadow: 0 14px 32px rgba(7, 19, 26, 0.22);
    }

    .advanced-tool-icon {
      flex: 0 0 auto;
      width: 40px;
      height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: rgba(94, 234, 212, 0.1);
      font-size: 18px;
    }

    .advanced-tool-btn strong,
    .advanced-tool-placeholder strong {
      display: block;
      margin-bottom: 8px;
      font-size: 15px;
    }

    .advanced-tool-btn small,
    .advanced-tool-placeholder small {
      display: block;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.65;
    }

    .advanced-tool-placeholder {
      display: grid;
      align-content: start;
      border-style: dashed;
      background: linear-gradient(180deg, rgba(11, 23, 32, 0.86), rgba(7, 17, 24, 0.92));
    }

    .studio-save-settings {
      margin-bottom: 0;
    }

    .studio-save-settings .save-location-controls,
    .studio-save-settings .history-retention-control {
      background: rgba(7, 19, 26, 0.32);
      border: 1px solid rgba(148, 163, 184, 0.1);
      border-radius: 18px;
      padding: 14px 16px;
    }

    .studio-save-settings .save-location-controls {
      margin-bottom: 12px;
    }

    .output-panel-head,
    .history-header {
      align-items: center;
      gap: 10px;
      margin-bottom: 14px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    }

    .output-panel-copy {
      min-width: 0;
    }

    .output-panel-copy .section-kicker {
      margin-bottom: 8px;
    }

    .output-clear-btn {
      flex: 0 0 auto;
      margin-left: auto;
      padding: 9px 14px;
      font-size: 13px;
      border-radius: 12px;
    }

    .results-panel,
    .history-panel {
      display: grid;
      grid-template-rows: auto minmax(0, 1fr) auto;
    }

    .results-panel {
      min-height: 360px;
      max-height: calc(56vh + 84px);
    }

    .history-panel {
      min-height: 300px;
      max-height: calc(42vh + 84px);
    }

    .results,
    .history-grid {
      overflow: auto;
      padding-right: 4px;
    }

    .results {
      grid-template-columns: 1fr;
      gap: 14px;
    }

    .history-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .results::-webkit-scrollbar,
    .history-grid::-webkit-scrollbar {
      width: 10px;
    }

    .results::-webkit-scrollbar-thumb,
    .history-grid::-webkit-scrollbar-thumb {
      border-radius: 999px;
      background: rgba(148, 163, 184, 0.22);
      border: 2px solid transparent;
      background-clip: padding-box;
    }

    @media (max-width: 1199px) {
      .app.studio-layout {
        grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.88fr);
      }

      .platform-switcher,
      .platform-extra-fields,
      .advanced-tools-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .prompt-studio-grid {
        grid-template-columns: 1fr;
      }

      .prompt-editor-pane #prompt {
        min-height: 220px;
      }
    }

    @media (max-width: 899px) {
      body {
        padding: 12px;
      }

      .app.studio-layout {
        grid-template-columns: 1fr;
        gap: 14px;
      }

      .output-rail {
        position: static;
      }

      .workspace-panel,
      .results-panel,
      .history-panel {
        padding: 16px;
        border-radius: 18px;
      }

      .studio-hero,
      .studio-section-heading,
      .provider-config-row,
      .runtime-config-row {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: stretch;
      }

      .studio-hero-meta {
        justify-items: stretch;
      }

      .studio-status-card {
        min-width: 0;
      }

      .advanced-tools-grid,
      .generation-controls,
      .prompt-studio-grid {
        grid-template-columns: 1fr;
      }

      .platform-switcher {
        display: grid;
        grid-auto-flow: column;
        grid-auto-columns: minmax(180px, 72vw);
        grid-template-columns: none;
        overflow-x: auto;
        overflow-y: hidden;
        padding-bottom: 6px;
        scroll-snap-type: x proximity;
        -webkit-overflow-scrolling: touch;
      }

      .platform-switcher-item {
        min-width: 180px;
        scroll-snap-align: start;
      }

      .platform-params-grid,
      .platform-extra-fields {
        grid-template-columns: 1fr;
      }

      .platform-meta-strip,
      .platform-template-panel {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: flex-start;
      }

      .platform-meta-note {
        text-align: left;
        max-width: none;
      }

      .settings-stage {
        position: static;
      }

      .results-panel,
      .history-panel {
        max-height: none;
      }

      .results,
      .history-grid {
        overflow: visible;
        padding-right: 0;
      }

      .history-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .advanced-tools {
        padding-top: 18px;
      }
    }

    @media (max-width: 560px) {
      .studio-section-heading h2,
      .output-panel-copy h2 {
        font-size: 18px;
      }

      .advanced-tools-heading strong {
        font-size: 18px;
      }

      .provider-hub,
      .model-control-block,
      .prompt-studio-block,
      .advanced-tools,
      .studio-save-settings,
      .upload-stage,
      .settings-stage {
        padding: 16px;
        border-radius: 18px;
      }

      .history-grid {
        grid-template-columns: 1fr;
      }

      .platform-switcher {
        grid-auto-columns: minmax(164px, 82vw);
      }

      .prompt-buttons-container {
        grid-template-columns: 1fr;
      }

      .output-clear-btn {
        width: 100%;
        margin-left: 0;
      }
    }

    /* Professional workspace refinement */
    body {
      background:
        radial-gradient(circle at 16% 0%, rgba(94, 234, 212, 0.1), transparent 28%),
        radial-gradient(circle at 86% 8%, rgba(245, 158, 11, 0.07), transparent 22%),
        linear-gradient(180deg, #07131a 0%, #041017 100%);
      padding: 16px;
    }

    body::before {
      opacity: 0.22;
    }

    .app.studio-layout {
      max-width: 1500px;
      grid-template-columns: minmax(0, 1fr) 390px;
      gap: 16px;
    }

    .panel {
      border-radius: 18px;
      box-shadow: 0 18px 54px rgba(0, 0, 0, 0.26);
      backdrop-filter: blur(14px);
    }

    .panel::before {
      opacity: 0.45;
    }

    .workspace-panel {
      padding: 18px;
      gap: 12px;
    }

    .surface-block,
    .provider-hub,
    .model-control-block,
    .prompt-studio-block,
    .advanced-tools,
    .studio-save-settings,
    .upload-stage,
    .settings-stage,
    .results-panel,
    .history-panel {
      border-radius: 14px;
      box-shadow: none;
    }

    .surface-block {
      background: rgba(10, 24, 33, 0.78);
      border-color: rgba(148, 163, 184, 0.13);
    }

    .studio-hero {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 14px;
      padding: 0 2px 4px;
    }

    .hero-badges {
      margin-bottom: 8px;
      gap: 8px;
    }

    .hero-badge {
      min-height: 26px;
      padding: 5px 10px;
      font-size: 10px;
      border-color: rgba(148, 163, 184, 0.18);
      background: rgba(7, 19, 26, 0.42);
      color: #dcebf4;
    }

    .studio-hero h1 {
      margin-bottom: 6px;
      font-size: clamp(28px, 3vw, 38px);
      letter-spacing: -0.03em;
    }

    .studio-hero .sub {
      max-width: 60ch;
      font-size: 13px;
      line-height: 1.55;
    }

    .studio-hero-meta {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 10px;
    }

    .studio-status-card {
      min-width: 260px;
      padding: 12px;
      border-radius: 14px;
      background: rgba(7, 19, 26, 0.56);
      border-color: rgba(94, 234, 212, 0.14);
    }

    .studio-status-label {
      margin-bottom: 5px;
      font-size: 10px;
    }

    .studio-status-card strong {
      margin-bottom: 8px;
      font-size: 17px;
    }

    .studio-status-tags {
      gap: 6px;
    }

    .studio-status-tag,
    .section-kicker {
      min-height: 23px;
      padding: 4px 8px;
      font-size: 10px;
      background: rgba(7, 19, 26, 0.46);
    }

    .section-kicker {
      margin-bottom: 7px;
    }

    .announcement-trigger,
    .btn,
    .mini-btn,
    .prompt-lib-btn,
    .save-prompt-from-input-btn,
    .optimize-prompt-btn,
    .label-action-btn,
    .history-page-btn,
    .history-retention-option {
      min-height: 40px;
      border-radius: 10px;
    }

    .studio-section-heading {
      gap: 12px;
      margin-bottom: 12px;
    }

    .studio-section-heading.compact {
      margin-bottom: 12px;
    }

    .studio-section-heading h2,
    .output-panel-copy h2 {
      font-size: 19px;
      letter-spacing: -0.02em;
    }

    .studio-section-heading p {
      max-width: 42ch;
      font-size: 12px;
      line-height: 1.55;
    }

    .provider-hub {
      padding: 14px;
      background: rgba(11, 25, 34, 0.72);
    }

    .platform-switcher {
      grid-template-columns: repeat(6, minmax(0, 1fr));
      gap: 8px;
      margin-bottom: 12px;
    }

    .platform-switcher-item {
      min-height: 76px;
      padding: 11px 12px;
      border-radius: 12px;
      background: rgba(8, 20, 28, 0.78);
    }

    .platform-switcher-item:hover {
      transform: none;
      box-shadow: none;
    }

    .platform-switcher-item.active {
      background: linear-gradient(180deg, rgba(18, 48, 60, 0.94), rgba(8, 24, 32, 0.98));
      box-shadow: inset 0 1px 0 rgba(94, 234, 212, 0.12);
    }

    .platform-switcher-name {
      font-size: 14px;
    }

    .platform-switcher-meta {
      font-size: 11px;
      line-height: 1.35;
    }

    .platform-meta-strip,
    .platform-template-panel {
      border-radius: 12px;
      margin-bottom: 10px;
      padding: 11px 12px;
      background: rgba(7, 19, 26, 0.38);
    }

    .platform-template-panel {
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
    }

    .platform-template-label {
      margin-bottom: 5px;
      font-size: 10px;
    }

    .platform-template-copy p,
    .platform-support-note,
    .platform-meta-note {
      font-size: 12px;
      line-height: 1.55;
    }

    .platform-support-note {
      min-height: 34px;
      padding: 7px 10px;
      border-radius: 10px;
      white-space: nowrap;
    }

    .provider-config-row {
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.25fr) auto;
      gap: 12px;
      align-items: end;
      margin-top: 12px;
      padding-top: 12px;
      border-top: 1px solid rgba(148, 163, 184, 0.1);
    }

    .provider-actions {
      padding-top: 0;
    }

    .provider-actions .btn {
      height: 44px;
    }

    .studio-hero {
      order: 1;
    }

    .provider-hub {
      order: 2;
    }

    .prompt-studio-block {
      order: 3;
      padding: 16px;
      background:
        linear-gradient(180deg, rgba(14, 37, 48, 0.9), rgba(8, 20, 28, 0.88));
      border-color: rgba(94, 234, 212, 0.18);
    }

    .model-control-block {
      order: 4;
    }

    .generation-controls {
      order: 5;
    }

    .advanced-tools {
      order: 6;
    }

    .studio-save-settings {
      order: 7;
    }

    .prompt-studio-grid {
      grid-template-columns: 1fr;
      gap: 12px;
    }

    .prompt-editor-pane {
      display: grid;
      min-width: 0;
    }

    .prompt-editor-pane label {
      margin-top: 0;
    }

    .prompt-platform-hint {
      margin-bottom: 8px;
      color: #c7d8e5;
      font-size: 12px;
      line-height: 1.5;
    }

    .prompt-editor-pane #prompt {
      min-height: 260px;
      border-radius: 12px;
      border-color: rgba(94, 234, 212, 0.22);
      background: linear-gradient(180deg, rgba(18, 42, 55, 0.98), rgba(10, 26, 36, 0.98));
      font-size: 15px;
    }

    .prompt-buttons-container {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
    }

    .prompt-library-panel {
      border-radius: 12px;
      background: rgba(7, 19, 26, 0.42);
      border-color: rgba(148, 163, 184, 0.12);
    }

    .prompt-library-heading {
      min-height: 44px;
      padding: 0 4px;
      color: #ecfeff;
    }

    .prompt-library-container {
      padding-top: 10px;
    }

    .prompt-library-tools {
      display: grid;
      grid-template-columns: 1fr;
      gap: 8px;
    }

    .model-control-block,
    .generation-controls {
      background: rgba(10, 24, 33, 0.72);
    }

    .model-control-block {
      padding: 16px;
      margin-bottom: -2px;
      border-bottom-left-radius: 8px;
      border-bottom-right-radius: 8px;
    }

    .generation-controls {
      display: grid;
      grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
      gap: 12px;
      padding: 0;
      margin-top: 0;
    }

    .upload-stage,
    .settings-stage {
      padding: 16px;
      background: rgba(10, 24, 33, 0.72);
    }

    .upload-stage {
      border-top-left-radius: 8px;
      border-top-right-radius: 8px;
    }

    .settings-stage {
      position: sticky;
      top: 16px;
    }

    .runtime-config-row {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.2fr) minmax(180px, 0.8fr);
      gap: 12px;
      align-items: end;
    }

    .platform-params-grid {
      gap: 10px;
    }

    .platform-extra-fields {
      gap: 10px;
      margin-top: 10px;
    }

    .platform-extra-card,
    .platform-pending-box,
    .studio-save-settings .save-location-controls,
    .studio-save-settings .history-retention-control {
      border-radius: 12px;
    }

    .status {
      margin-top: 10px;
      min-height: 36px;
      border-radius: 10px;
      color: #d9e9f5;
    }

    .studio-run-btn {
      min-height: 48px;
      margin-top: 10px;
      border-radius: 12px;
      font-size: 15px;
      letter-spacing: 0.02em;
    }

    .advanced-tools {
      padding: 14px 16px;
      background: rgba(10, 24, 33, 0.68);
    }

    .advanced-tools-heading strong {
      font-size: 19px;
    }

    .advanced-tools-body {
      margin-top: 12px;
    }

    .advanced-tools-grid {
      gap: 10px;
    }

    .advanced-tool-btn,
    .advanced-tool-placeholder {
      min-height: 104px;
      padding: 13px;
      border-radius: 12px;
      background: rgba(7, 19, 26, 0.42);
    }

    .studio-save-settings {
      padding: 14px 16px;
    }

    .save-location-controls,
    .history-retention-control {
      gap: 8px;
    }

    .output-rail {
      gap: 14px;
      top: 16px;
    }

    .results-panel,
    .history-panel {
      padding: 16px;
      background: rgba(9, 22, 31, 0.86);
    }

    .output-panel-head,
    .history-header {
      margin-bottom: 12px;
      padding-bottom: 12px;
    }

    .output-panel-copy .section-kicker {
      margin-bottom: 6px;
    }

    .output-clear-btn {
      padding: 8px 12px;
      border-radius: 10px;
      font-size: 12px;
    }

    .results-panel {
      min-height: 330px;
      max-height: calc(55vh + 60px);
    }

    .history-panel {
      min-height: 300px;
      max-height: calc(43vh + 60px);
    }

    .results,
    .history-grid {
      gap: 10px;
    }

    input[type="text"],
    input[type="number"],
    textarea,
    select {
      min-height: 44px;
      border-radius: 10px;
      background-color: #102532;
      color: #f2fbff;
      border-color: rgba(170, 190, 204, 0.24);
    }

    select {
      height: 44px;
      color: #f2fbff;
      background-color: #102532;
    }

    select option,
    select optgroup {
      background: #0b1f2a;
      color: #f2fbff;
    }

    label,
    .muted,
    .path-label,
    .history-retention-label {
      color: #c4d5e2;
    }

    @media (max-width: 1320px) {
      .app.studio-layout {
        grid-template-columns: minmax(0, 1fr) 350px;
      }

      .platform-switcher {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .prompt-studio-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 1080px) {
      .app.studio-layout {
        grid-template-columns: minmax(0, 1fr) 330px;
      }

      .provider-config-row,
      .runtime-config-row,
      .generation-controls {
        grid-template-columns: 1fr;
      }

      .settings-stage {
        position: static;
      }
    }

    @media (max-width: 899px) {
      body {
        padding: 10px;
      }

      .app.studio-layout {
        display: flex;
        flex-direction: column;
        gap: 12px;
        width: 100%;
        max-width: 100%;
      }

      .creation-studio {
        order: 1;
      }

      .output-rail {
        order: 2;
        position: static;
        display: flex;
        flex-direction: column;
        gap: 12px;
        width: 100%;
      }

      .workspace-panel,
      .results-panel,
      .history-panel {
        width: 100%;
        padding: 12px;
        border-radius: 14px;
        overflow: hidden;
      }

      .workspace-panel {
        display: flex;
        flex-direction: column;
      }

      .studio-hero {
        order: 1;
        grid-template-columns: 1fr;
        gap: 10px;
      }

      .studio-hero-meta {
        justify-content: stretch;
        display: grid;
      }

      .workspace-hero-tools {
        justify-content: flex-start;
      }

      .provider-hub {
        order: 2;
      }

      .prompt-studio-block {
        order: 3;
      }

      .model-control-block {
        order: 4;
      }

      .generation-controls {
        order: 5;
      }

      .advanced-tools {
        order: 6;
      }

      .studio-save-settings {
        order: 9;
      }

      .studio-hero h1 {
        font-size: 28px;
      }

      .hero-badges {
        display: none;
      }

      .studio-status-card {
        min-width: 0;
        width: 100%;
      }

      .studio-section-heading {
        display: grid;
        grid-template-columns: 1fr;
        gap: 6px;
      }

      .studio-section-heading h2,
      .output-panel-copy h2,
      .advanced-tools-heading strong {
        font-size: 18px;
      }

      .provider-config-row,
      .runtime-config-row,
      .generation-controls,
      .platform-params-grid,
      .platform-extra-fields,
      .advanced-tools-grid {
        grid-template-columns: 1fr;
      }

      .platform-switcher {
        display: grid;
        grid-auto-flow: column;
        grid-auto-columns: minmax(152px, 58vw);
        grid-template-columns: none;
        gap: 8px;
        margin-left: -2px;
        margin-right: -2px;
        padding: 0 2px 8px;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x proximity;
        -webkit-overflow-scrolling: touch;
      }

      .platform-switcher-item {
        min-width: 152px;
        min-height: 70px;
        scroll-snap-align: start;
      }

      .platform-meta-strip,
      .platform-template-panel {
        display: grid;
        grid-template-columns: 1fr;
        align-items: start;
      }

      .platform-meta-note {
        max-width: none;
        text-align: left;
      }

      .platform-support-note {
        justify-content: flex-start;
        white-space: normal;
      }

      .prompt-editor-pane #prompt {
        min-height: 220px;
      }

      .results-panel,
      .history-panel {
        max-height: none;
        min-height: 0;
      }

      .results,
      .history-grid {
        overflow: visible;
        padding-right: 0;
      }
    }

    @media (max-width: 560px) {
      body {
        padding: 8px;
      }

      .workspace-panel,
      .results-panel,
      .history-panel,
      .provider-hub,
      .model-control-block,
      .prompt-studio-block,
      .advanced-tools,
      .studio-save-settings,
      .upload-stage,
      .settings-stage {
        padding: 12px;
        border-radius: 12px;
      }

      .studio-hero h1 {
        font-size: 25px;
      }

      .studio-hero .sub,
      .studio-section-heading p,
      .platform-template-copy p,
      .platform-support-note,
      .platform-meta-note {
        font-size: 12px;
      }

      .platform-switcher {
        grid-auto-columns: minmax(142px, 74vw);
      }

      .prompt-buttons-container,
      .prompt-library-tools,
      .save-location-controls,
      .history-retention-control,
      .output-panel-head,
      .history-header {
        display: grid;
        grid-template-columns: 1fr;
        align-items: stretch;
      }

      .save-location-controls .mini-btn,
      .history-retention-options,
      .output-clear-btn {
        width: 100%;
      }

      .history-retention-options {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .history-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 420px) {
      .studio-status-tags {
        display: grid;
        grid-template-columns: 1fr;
      }

      .platform-meta-main {
        flex-wrap: wrap;
      }

      .prompt-editor-pane #prompt {
        min-height: 190px;
      }

      input[type="text"],
      input[type="number"],
      textarea,
      select,
      .btn,
      .mini-btn,
      .prompt-lib-btn,
      .save-prompt-from-input-btn,
      .optimize-prompt-btn {
        font-size: 14px;
      }
    }

    /* Settings drawer + expanded output rail */
    body.settings-drawer-open {
      overflow: hidden;
    }

    .app.studio-layout {
      grid-template-columns: minmax(0, 0.96fr) minmax(480px, 0.72fr);
      max-width: 1680px;
    }

    .workspace-panel {
      gap: 12px;
    }

    .workspace-hero-tools {
      gap: 8px;
      align-items: center;
    }

    .settings-open-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 8px 14px;
      border: 1px solid rgba(94, 234, 212, 0.28);
      border-radius: 999px;
      background: linear-gradient(180deg, rgba(20, 184, 166, 0.18), rgba(7, 19, 26, 0.7));
      color: #ecfeff;
      font-size: 13px;
      font-weight: 700;
      cursor: pointer;
      transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
      white-space: nowrap;
    }

    .settings-open-btn:hover {
      border-color: rgba(94, 234, 212, 0.48);
      background: rgba(14, 116, 144, 0.2);
      transform: translateY(-1px);
    }

    .settings-drawer-overlay {
      position: fixed;
      inset: 0;
      z-index: 80;
      background: rgba(0, 0, 0, 0.52);
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.2s ease;
    }

    .settings-drawer-overlay.active {
      opacity: 1;
      pointer-events: auto;
    }

    .settings-drawer {
      position: fixed;
      top: 0;
      right: 0;
      z-index: 90;
      width: min(460px, calc(100vw - 24px));
      height: 100vh;
      display: grid;
      grid-template-rows: auto minmax(0, 1fr);
      background:
        radial-gradient(circle at top left, rgba(94, 234, 212, 0.08), transparent 34%),
        linear-gradient(180deg, rgba(9, 22, 31, 0.98), rgba(4, 16, 23, 0.99));
      border-left: 1px solid rgba(148, 163, 184, 0.18);
      box-shadow: -28px 0 70px rgba(0, 0, 0, 0.36);
      transform: translateX(104%);
      transition: transform 0.24s ease;
      min-width: 0;
      overflow: hidden;
    }

    .settings-drawer.active {
      transform: translateX(0);
    }

    .settings-drawer-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 18px 14px;
      border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    }

    .settings-drawer-head h2 {
      margin: 0;
      font-size: 22px;
      letter-spacing: -0.02em;
    }

    .settings-close-btn {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      border: 1px solid rgba(148, 163, 184, 0.18);
      background: rgba(7, 19, 26, 0.62);
      color: #ecfeff;
      cursor: pointer;
      font-size: 16px;
      font-weight: 800;
    }

    .settings-drawer-body {
      min-height: 0;
      min-width: 0;
      overflow-y: auto;
      overflow-x: hidden;
      padding: 16px 18px 20px;
      display: grid;
      gap: 14px;
    }

    .settings-section {
      min-width: 0;
      padding: 14px;
      border-radius: 14px;
      border: 1px solid rgba(148, 163, 184, 0.14);
      background: rgba(10, 24, 33, 0.74);
    }

    .settings-section-heading {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
    }

    .settings-section-heading h3 {
      margin: 0;
      font-size: 18px;
      letter-spacing: -0.02em;
    }

    .settings-section-heading p {
      margin: 0;
      max-width: 24ch;
      color: #c4d5e2;
      font-size: 12px;
      line-height: 1.55;
      text-align: right;
    }

    .settings-drawer .provider-hub,
    .settings-drawer .model-control-block,
    .settings-drawer .studio-save-settings {
      order: initial;
      margin: 0;
      box-shadow: none;
    }

    .settings-drawer .platform-switcher {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      min-width: 0;
      max-width: 100%;
    }

    .settings-drawer .runtime-config-row,
    .settings-drawer .provider-config-row {
      display: grid;
      grid-template-columns: 1fr;
      gap: 12px;
    }

    .settings-drawer .provider-config-row {
      margin-top: 0;
      padding-top: 0;
      border-top: none;
    }

    .settings-drawer .provider-actions {
      display: grid;
    }

    .settings-drawer .save-location-controls,
    .settings-drawer .history-retention-control {
      display: grid;
      grid-template-columns: 1fr;
      align-items: stretch;
      gap: 8px;
    }

    .settings-drawer .history-retention-options {
      width: 100%;
    }

    .prompt-editor-pane #prompt {
      min-height: 240px;
    }

    .generation-controls {
      grid-template-columns: minmax(230px, 0.72fr) minmax(0, 1.28fr);
    }

    .results-panel,
    .history-panel {
      min-height: 0;
      max-height: none;
    }

    .output-rail {
      height: calc(100vh - 32px);
      grid-template-rows: minmax(320px, 1.05fr) minmax(320px, 0.95fr);
    }

    .results-panel,
    .history-panel {
      overflow: hidden;
    }

    .results,
    .history-grid {
      min-height: 0;
    }

    .history-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    @media (min-width: 1500px) {
      .app.studio-layout {
        grid-template-columns: minmax(0, 1fr) 520px;
      }
    }

    @media (max-width: 1320px) {
      .app.studio-layout {
        grid-template-columns: minmax(0, 1fr) 460px;
      }
    }

    @media (max-width: 1080px) {
      .app.studio-layout {
        grid-template-columns: minmax(0, 1fr) 400px;
      }
    }

    @media (max-width: 899px) {
      .settings-drawer {
        width: 100vw;
      }

      .settings-drawer-head,
      .settings-drawer-body {
        padding-left: 14px;
        padding-right: 14px;
      }

      .settings-section-heading {
        display: grid;
        grid-template-columns: 1fr;
      }

      .settings-section-heading p {
        max-width: none;
        text-align: left;
      }

      .settings-drawer .platform-switcher {
        grid-auto-flow: column;
        grid-auto-columns: minmax(152px, 58vw);
        grid-template-columns: none;
        width: 100%;
        max-width: 100%;
        overflow-x: auto;
        overflow-y: hidden;
        padding-bottom: 8px;
        scroll-snap-type: x proximity;
        -webkit-overflow-scrolling: touch;
      }

      .settings-drawer .platform-switcher-item {
        min-width: 152px;
        scroll-snap-align: start;
      }

      .generation-controls {
        grid-template-columns: 1fr;
      }

      .output-rail {
        height: auto;
        grid-template-rows: none;
      }
    }

    @media (max-width: 560px) {
      .studio-hero-meta {
        gap: 8px;
      }

      .workspace-hero-tools {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .settings-open-btn,
      .announcement-trigger {
        width: 100%;
      }

      .settings-drawer .platform-switcher {
        grid-auto-columns: minmax(142px, 74vw);
      }
    }

    /* Settings drawer readability fixes */
    .settings-drawer .settings-section-heading {
      display: grid;
      grid-template-columns: 1fr;
      gap: 6px;
      align-items: start;
    }

    .settings-drawer .provider-hub .settings-section-heading {
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 12px;
    }

    .settings-drawer .settings-section-heading p {
      max-width: none;
      text-align: left;
    }

    .settings-drawer .platform-meta-strip {
      display: grid;
      grid-template-columns: 1fr;
      gap: 10px;
      align-items: start;
    }

    .settings-drawer .platform-meta-main {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      min-width: 0;
    }

    .settings-drawer .platform-meta-main strong {
      min-width: 0;
      font-size: 18px;
      white-space: nowrap;
    }

    .settings-drawer .platform-type-badge {
      flex: 0 0 auto;
      writing-mode: horizontal-tb;
      white-space: nowrap;
    }

    .settings-drawer .platform-meta-note {
      max-width: none;
      text-align: left;
      line-height: 1.65;
    }

    .settings-drawer .platform-template-panel {
      display: grid;
      grid-template-columns: 1fr;
      gap: 12px;
      align-items: stretch;
    }

    .settings-drawer .platform-template-panel p {
      margin: 0;
      max-width: none;
      color: #d8e8f3;
      line-height: 1.7;
    }

    .settings-drawer .platform-support-note {
      justify-content: flex-start;
      width: 100%;
      min-height: 38px;
      white-space: normal;
      text-align: left;
    }

    .settings-drawer .studio-save-settings {
      padding: 14px;
      display: grid;
      grid-template-columns: 1fr;
      align-items: stretch;
      gap: 12px;
      margin: 0;
      background: rgba(10, 24, 33, 0.74);
      box-shadow: none;
    }

    .settings-drawer .save-location-controls,
    .settings-drawer .history-retention-control {
      width: 100%;
      max-width: none;
      padding: 14px;
      border-radius: 14px;
      background: rgba(7, 19, 26, 0.42);
      border: 1px solid rgba(148, 163, 184, 0.12);
      justify-self: stretch;
    }

    .settings-drawer .save-location-controls {
      display: grid;
      grid-template-columns: 1fr;
    }

    .settings-drawer .history-retention-control {
      display: grid;
      grid-template-columns: 1fr;
    }

    .settings-drawer .path-label,
    .settings-drawer .history-retention-label {
      display: block;
      margin: 0;
      font-weight: 700;
    }

    .settings-drawer .path-value {
      min-width: 0;
      max-width: none;
      white-space: normal;
      text-overflow: clip;
      overflow-wrap: anywhere;
      color: var(--accent);
    }

    .settings-drawer .save-location-controls .mini-btn {
      width: 100%;
    }

    .settings-drawer .history-retention-options {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      border-radius: 12px;
      overflow: hidden;
    }

    /* Final copy cleanup and creation-flow alignment */
    .settings-open-btn,
    .announcement-trigger {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      min-height: 38px;
      padding: 8px 14px;
      border: 1px solid rgba(94, 234, 212, 0.24);
      border-radius: 999px;
      background: rgba(7, 19, 26, 0.64);
      color: #ecfeff;
      font-size: 13px;
      font-weight: 700;
      line-height: 1;
      cursor: pointer;
      transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
      white-space: nowrap;
    }

    .settings-open-btn:hover,
    .announcement-trigger:hover {
      border-color: rgba(94, 234, 212, 0.48);
      background: rgba(14, 116, 144, 0.2);
      transform: translateY(-1px);
    }

    .settings-open-btn:focus-visible,
    .announcement-trigger:focus-visible {
      outline: 2px solid rgba(94, 234, 212, 0.5);
      outline-offset: 2px;
    }

    .studio-hero-copy .sub,
    .studio-section-heading p,
    .prompt-platform-hint,
    #platform-params-summary,
    .platform-meta-note,
    .platform-template-panel,
    .platform-extra-fields,
    .settings-drawer .settings-section-heading p {
      display: none !important;
    }

    .studio-hero {
      align-items: center;
      padding: 16px 18px;
      display: grid;
      grid-template-columns: minmax(270px, 0.78fr) minmax(0, 1.22fr);
    }

    .studio-hero-copy h1 {
      line-height: 1.05;
      max-width: 8em;
    }

    .studio-hero-meta {
      grid-template-columns: minmax(280px, 1fr) auto;
      align-items: center;
      justify-items: end;
    }

    .prompt-library-panel.collapsed {
      align-self: start;
    }

    .prompt-library-panel.collapsed .prompt-library-heading {
      min-height: 56px;
    }

    .prompt-studio-block,
    .upload-stage,
    .settings-stage {
      border-radius: 16px;
      padding: 16px;
    }

    .studio-section-heading,
    .studio-section-heading.compact {
      align-items: center;
      margin-bottom: 12px;
    }

    .section-kicker {
      margin-bottom: 6px;
      min-height: 0;
      padding: 5px 9px;
    }

    .studio-section-heading h2,
    .output-panel-copy h2 {
      font-size: 20px;
    }

    .prompt-studio-grid {
      grid-template-columns: 1fr;
      gap: 12px;
      align-items: stretch;
    }

    .prompt-editor-pane {
      display: grid;
      grid-template-rows: auto minmax(220px, 1fr) auto;
      gap: 10px;
    }

    .prompt-editor-pane label,
    .upload-stage label,
    .platform-param-field label {
      margin-top: 0;
    }

    .prompt-editor-pane #prompt {
      min-height: 230px;
    }

    .prompt-buttons-container {
      margin-top: 0;
    }

    .prompt-library-panel {
      align-self: stretch;
      border-radius: 14px;
    }

    .generation-controls {
      grid-template-columns: minmax(240px, 0.78fr) minmax(0, 1.22fr);
      gap: 12px;
    }

    .platform-params-grid {
      gap: 10px;
    }

    .platform-pending-box {
      margin-top: 10px;
      padding: 12px 14px;
      border-radius: 12px;
    }

    .settings-drawer .platform-meta-strip {
      padding: 12px 14px;
      margin-bottom: 12px;
      border-radius: 14px;
    }

    .settings-drawer .settings-section {
      padding: 14px;
    }

    @media (max-width: 899px) {
      .studio-hero {
        grid-template-columns: 1fr;
      }

      .studio-hero-copy h1 {
        max-width: none;
      }

      .studio-hero-meta {
        grid-template-columns: 1fr;
        justify-items: stretch;
      }

      .prompt-studio-grid,
      .generation-controls {
        grid-template-columns: 1fr;
      }

      .prompt-editor-pane {
        grid-template-rows: auto minmax(210px, auto) auto;
      }

      .prompt-editor-pane #prompt {
        min-height: 210px;
      }
    }

    @media (max-width: 560px) {
      .studio-hero {
        padding: 14px;
      }

      .settings-open-btn,
      .announcement-trigger {
        min-height: 40px;
        padding: 9px 12px;
      }
    }

    /* Balanced output rail: keep current results usable while history remains larger. */
    @media (min-width: 900px) {
      .output-rail {
        max-height: calc(100vh - 32px);
        display: grid;
        grid-template-rows: minmax(380px, auto) minmax(620px, auto);
        overflow-y: auto;
        padding-right: 2px;
      }

      .results-panel {
        min-height: 380px;
      }

      .history-panel {
        min-height: 620px;
      }

      .results-panel,
      .history-panel {
        max-height: none;
      }

      .results,
      .history-grid {
        min-height: 0;
        overflow: auto;
      }
    }

    .history-card {
      display: grid;
      grid-template-rows: auto auto;
    }

    .history-card .info {
      display: grid;
      gap: 7px;
      padding: 9px 10px 10px;
    }

    .history-prompt-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: start;
      gap: 8px;
      margin: 0;
    }

    .history-card .prompt {
      margin: 0;
    }

    .history-card .meta {
      gap: 7px;
    }

    .history-card .history-actions {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 6px;
    }

    .history-card .action-btn {
      min-width: 0;
      min-height: 32px;
      padding: 6px 7px;
      border-radius: 8px;
    }

    .history-card .action-text {
      display: inline;
      font-size: 11px;
    }

    .history-info-btn {
      border-color: rgba(94, 234, 212, 0.36);
      background: rgba(5, 18, 25, 0.78);
      color: #b8fff2;
    }

    .history-info-btn svg {
      width: 18px;
      height: 18px;
      display: block;
      fill: none;
      stroke: currentColor;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .history-info-btn:hover {
      border-color: rgba(94, 234, 212, 0.8);
      background: rgba(13, 148, 136, 0.35);
    }

    @media (max-width: 420px) {
      .history-grid {
        grid-template-columns: 1fr;
      }
    }

    /* Prompt library moves to an isolated dialog; prompt editor owns the studio width. */
    .prompt-studio-grid {
      grid-template-columns: 1fr;
    }

    .prompt-library-open-btn {
      min-height: 38px;
      padding: 8px 13px;
      border: 1px solid rgba(94, 234, 212, 0.24);
      border-radius: 999px;
      background: rgba(7, 19, 26, 0.62);
      color: #ecfeff;
      font-size: 13px;
      font-weight: 800;
      cursor: pointer;
      transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
      white-space: nowrap;
    }

    .prompt-library-open-btn:hover {
      border-color: rgba(94, 234, 212, 0.48);
      background: rgba(14, 116, 144, 0.2);
      transform: translateY(-1px);
    }

    .prompt-library-dialog-overlay {
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .prompt-library-dialog {
      width: min(780px, calc(100vw - 32px));
      max-width: 780px;
      max-height: min(86vh, 860px);
      display: grid;
      grid-template-rows: auto minmax(0, 1fr);
      gap: 14px;
      overflow: hidden;
    }

    .prompt-library-dialog-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    }

    .prompt-library-dialog .dialog-title {
      margin: 4px 0 0;
      font-size: 22px;
      letter-spacing: -0.02em;
    }

    .prompt-library-dialog .prompt-library-panel {
      min-height: 0;
      overflow: hidden;
      padding: 0;
      border: none;
      background: transparent;
      box-shadow: none;
    }

    .prompt-library-dialog .prompt-library-heading {
      display: none;
    }

    .prompt-library-dialog .prompt-library-container {
      max-height: none;
      height: 100%;
      opacity: 1;
      overflow: hidden;
      pointer-events: auto;
    }

    .prompt-library-dialog .prompt-library-list {
      min-height: 0;
      overflow: auto;
      padding-right: 4px;
    }

    .prompt-library-dialog .prompt-library-tools {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto auto;
      align-items: center;
    }

    .prompt-library-dialog #prompt-library-search {
      min-width: 0;
    }

    @media (min-width: 1500px) {
      .app.studio-layout {
        grid-template-columns: minmax(640px, 1fr) minmax(680px, 720px);
        max-width: 1780px;
      }

      .history-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }
    }

    @media (min-width: 1200px) and (max-width: 1499px) {
      .app.studio-layout {
        grid-template-columns: minmax(0, 1fr) minmax(540px, 600px);
      }
    }

    @media (max-width: 700px) {
      .prompt-library-dialog-overlay {
        padding: 10px;
      }

      .prompt-library-dialog {
        width: 100%;
        max-height: calc(100vh - 20px);
        border-radius: 16px;
      }

      .prompt-library-dialog .prompt-library-tools {
        grid-template-columns: 1fr;
      }
    }

    /* Keep right-rail scrolling isolated from the main workspace and polish scrollbars. */
    .output-rail {
      overscroll-behavior-y: contain;
      scrollbar-width: thin;
      scrollbar-color: rgba(94, 234, 212, 0.46) rgba(7, 19, 26, 0.28);
    }

    @media (min-width: 900px) {
      .results,
      .history-grid {
        overflow: visible;
        overscroll-behavior: auto;
        scrollbar-width: auto;
        scrollbar-color: auto;
      }
    }

    .output-rail::-webkit-scrollbar {
      width: 8px;
      height: 8px;
    }

    .output-rail::-webkit-scrollbar-track {
      border-radius: 999px;
      background: rgba(7, 19, 26, 0.22);
    }

    .output-rail::-webkit-scrollbar-thumb {
      min-height: 42px;
      border: 2px solid rgba(7, 19, 26, 0.22);
      border-radius: 999px;
      background: linear-gradient(180deg, rgba(94, 234, 212, 0.58), rgba(20, 184, 166, 0.34));
      background-clip: padding-box;
    }

    .output-rail::-webkit-scrollbar-thumb:hover {
      background: linear-gradient(180deg, rgba(125, 255, 232, 0.78), rgba(45, 212, 191, 0.52));
      background-clip: padding-box;
    }

    /* Final current-output thumbnail layout. Keep history cards untouched. */
    .results {
      grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)) !important;
      gap: 12px !important;
      align-items: start;
    }

    .result-group-grid {
      grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)) !important;
      gap: 12px !important;
    }

    .results > .result-card,
    .result-group-grid > .result-card {
      padding: 8px;
      border-radius: 14px;
    }

    .result-thumb-btn {
      aspect-ratio: 4 / 3;
    }

    @media (min-width: 1500px) {
      .results {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)) !important;
      }
    }

    @media (max-width: 520px) {
      .results,
      .result-group-grid {
        grid-template-columns: 1fr !important;
      }
    }

    /* Unified page scroll: right rail grows naturally with the document. */
    .output-rail {
      max-height: none !important;
      height: auto !important;
      overflow: visible !important;
      overflow-y: visible !important;
      overscroll-behavior: auto !important;
      scrollbar-width: auto;
      padding-right: 0 !important;
    }

    .output-rail::-webkit-scrollbar {
      width: 0;
      height: 0;
    }

    @media (min-width: 900px) {
      .output-rail {
        display: grid;
        grid-template-rows: minmax(460px, auto) minmax(620px, auto) !important;
        align-self: start;
      }

      .results-panel {
        min-height: 460px !important;
      }

      .results,
      .history-grid {
        overflow: visible !important;
      }
    }

    .result-card:has(.continue-panel.show) {
      grid-column: 1 / -1;
    }

    .result-card .continue-panel.show {
      display: grid;
      gap: 10px;
      margin-top: 4px;
      padding: 12px;
    }

    .result-card .continue-panel textarea {
      min-height: 168px;
      max-height: 42vh;
      line-height: 1.65;
      resize: vertical;
    }

    @media (max-width: 520px) {
      .result-card .continue-panel textarea {
        min-height: 150px;
      }
    }

    /* Narrow desktop guard: keep the two-column app, but prevent inner panels from fighting for width. */
    @media (min-width: 900px) and (max-width: 1199px) {
      .studio-hero {
        grid-template-columns: 1fr !important;
        align-items: stretch;
        gap: 12px;
      }

      .studio-hero-copy h1 {
        max-width: none;
        position: relative;
        z-index: 1;
      }

      .studio-hero-meta {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        justify-items: stretch;
        width: 100%;
      }

      .studio-status-card {
        min-width: 0;
        width: 100%;
        max-width: none;
      }

      .workspace-hero-tools {
        display: grid;
        grid-template-columns: 1fr;
        align-items: stretch;
        min-width: 108px;
      }

      .settings-open-btn,
      .announcement-trigger {
        width: 100%;
        justify-content: center;
      }

      .generation-controls {
        grid-template-columns: 1fr !important;
      }

      .upload-stage,
      .settings-stage,
      .prompt-editor-pane,
      .platform-param-field {
        min-width: 0;
      }

      .platform-params-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .platform-param-field select,
      .platform-param-field input {
        width: 100%;
        min-width: 0;
      }

      .history-header,
      .output-panel-head {
        flex-wrap: wrap;
      }

      .history-card .action-btn {
        gap: 3px;
        padding-inline: 5px;
      }

      .history-card .action-icon {
        display: none;
      }
    }

    /* Compact desktop guard: the right rail is still visible, but the studio itself must not split narrow inner panels. */
    @media (min-width: 900px) and (max-width: 1399px) {
      .app.studio-layout {
        grid-template-columns: minmax(0, 1fr) minmax(360px, 420px) !important;
        gap: clamp(14px, 1.8vw, 22px);
        padding-inline: clamp(14px, 2vw, 24px);
      }

      .creation-studio,
      .workspace-panel,
      .surface-block,
      .studio-hero,
      .studio-hero-copy,
      .studio-hero-meta,
      .generation-controls,
      .upload-stage,
      .settings-stage {
        min-width: 0;
      }

      .studio-hero {
        grid-template-columns: 1fr !important;
        align-items: stretch;
        gap: 12px;
      }

      .studio-hero-copy h1 {
        max-width: none;
        overflow-wrap: anywhere;
      }

      .studio-hero-meta {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 10px;
        width: 100%;
        justify-items: stretch;
      }

      .studio-status-card {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr);
        align-items: center;
        column-gap: 10px;
        row-gap: 8px;
        justify-self: stretch;
        box-sizing: border-box;
        width: 100%;
        min-width: 0;
        max-width: none;
      }

      .studio-status-label,
      .studio-status-card strong {
        margin: 0;
        white-space: nowrap;
      }

      .studio-status-tags {
        display: flex;
        grid-column: 1 / -1;
        min-width: 0;
        flex-wrap: wrap;
        gap: 6px;
      }

      .studio-status-tag {
        max-width: calc(100% - 2px);
        min-width: 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        writing-mode: horizontal-tb;
      }

      .studio-status-card .studio-status-label,
      .studio-status-card #provider-current-name,
      .studio-status-card .studio-status-tags,
      .studio-status-card .studio-status-tag {
        width: auto;
      }

      .workspace-hero-tools {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
        min-width: 0;
      }

      .settings-open-btn,
      .announcement-trigger {
        width: 100%;
        min-width: 0;
        justify-content: center;
        white-space: nowrap;
      }

      .generation-controls {
        grid-template-columns: 1fr !important;
        align-items: stretch;
      }

      .upload-stage,
      .settings-stage {
        width: 100%;
        overflow: hidden;
      }

      .upload-stage input[type="file"],
      .platform-param-field select,
      .platform-param-field input {
        width: 100%;
        min-width: 0;
        max-width: 100%;
      }

      .platform-params-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (min-width: 1200px) and (max-width: 1399px) {
      .app.studio-layout {
        grid-template-columns: minmax(560px, 1fr) minmax(480px, 540px) !important;
      }
    }

    @media (min-width: 900px) and (max-width: 1080px) {
      .platform-params-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (min-width: 1400px) and (max-width: 1499px) {
      .app.studio-layout {
        grid-template-columns: minmax(620px, 1fr) minmax(560px, 620px) !important;
      }
    }

    /* History import/export controls. */
    .history-header-actions {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: auto;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .history-transfer-btn {
      flex: 0 0 auto;
      min-height: 36px;
      padding: 8px 12px;
      border: 1px solid rgba(94, 234, 212, 0.18);
      border-radius: 12px;
      background: rgba(7, 19, 26, 0.72);
      color: #b8fff2;
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.02em;
      box-shadow: none;
    }

    .history-transfer-btn:hover {
      border-color: rgba(94, 234, 212, 0.42);
      background: rgba(20, 184, 166, 0.16);
      transform: translateY(-1px);
    }

    @media (max-width: 760px) {
      .history-header-actions {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr;
        margin-left: 0;
      }

      .history-header-actions .btn {
        width: 100%;
      }
    }