/**
 * 图/视频 AI 工作台 — 视觉参考 manjuzhizuo AiLabPage（深色 + 浅色 html:not(.dark)）
 */
.gen-lab-main {
  --ailab-blue: #4d6fff;
  --ailab-bg: transparent;
  --ailab-surface: #0c0c0e;
  --ailab-border: rgba(255, 255, 255, 0.08);
  --ailab-muted: rgba(255, 255, 255, 0.55);
  --ailab-text: rgba(255, 255, 255, 0.92);
  --ailab-text-sub: rgba(255, 255, 255, 0.45);
  --ailab-fill: rgba(255, 255, 255, 0.04);
  --ailab-input-bg: rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  border: 1px solid var(--ailab-border) !important;
  background: var(--ailab-surface) !important;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.2);
}

html:not(.dark) .gen-lab-main {
  --ailab-blue: #0ea5e9;
  --ailab-surface: #ffffff;
  --ailab-border: #e2e8f0;
  --ailab-muted: #64748b;
  --ailab-text: #0f172a;
  --ailab-text-sub: #64748b;
  --ailab-fill: #f1f5f9;
  --ailab-input-bg: #f8fafc;
  box-shadow: var(--shadow-card, 0 1px 3px rgba(0, 0, 0, 0.06));
}

.gen-lab-main .panel-glow::before {
  opacity: 0.35;
}

.gen-lab-main #tool-standard-header .text-white,
.gen-lab-main #tool-standard-header h1 {
  color: var(--ailab-text) !important;
}

.gen-lab-main #tool-standard-header .text-gray-400,
.gen-lab-main #tool-standard-header .text-gray-500 {
  color: var(--ailab-text-sub) !important;
}

.gen-lab-chrome {
  /* 文案等未套 .gen-lab-main 时，顶栏 hero 仍需要与媒体工作台一致的色板 */
  --ailab-blue: #4d6fff;
  --ailab-border: rgba(255, 255, 255, 0.08);
  --ailab-muted: rgba(255, 255, 255, 0.55);
  --ailab-text: rgba(255, 255, 255, 0.92);
  --ailab-text-sub: rgba(255, 255, 255, 0.45);
  --ailab-fill: rgba(255, 255, 255, 0.04);
  --ailab-input-bg: rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid var(--ailab-border);
  margin: -0.25rem -0.5rem 0.85rem;
  padding: 0 0.5rem 0.85rem;
}

html:not(.dark) .gen-lab-chrome {
  --ailab-blue: #0ea5e9;
  --ailab-border: #e2e8f0;
  --ailab-muted: #64748b;
  --ailab-text: #0f172a;
  --ailab-text-sub: #64748b;
  --ailab-fill: #f1f5f9;
  --ailab-input-bg: #f8fafc;
}

@media (min-width: 640px) {
  .gen-lab-chrome {
    margin: -0.5rem -1rem 1rem;
    padding: 0 1rem 0.85rem;
  }
}

.gen-lab__hero {
  position: relative;
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  overflow: hidden;
  border: 1px solid var(--ailab-border);
  background: linear-gradient(135deg, rgba(0, 151, 215, 0.14), rgba(0, 224, 255, 0.08));
}

.gen-lab__hero-glow {
  position: absolute;
  width: 180px;
  height: 180px;
  right: -40px;
  top: -60px;
  background: radial-gradient(circle, rgba(0, 224, 255, 0.32) 0%, transparent 70%);
  pointer-events: none;
}

.gen-lab__hero-body {
  position: relative;
  z-index: 1;
}

.gen-lab__hero-kicker {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ailab-muted);
  margin-bottom: 0.25rem;
}

.gen-lab__hero-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ailab-text);
  line-height: 1.3;
}

@media (min-width: 640px) {
  .gen-lab__hero-title {
    font-size: 1.5rem;
  }
}

.gen-lab__hero-meta {
  font-size: 0.75rem;
  color: var(--ailab-muted);
  margin-top: 0.25rem;
}

.gen-lab__side-hint {
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--ailab-border);
  font-size: 0.7rem;
  line-height: 1.45;
  color: var(--ailab-muted);
}

html:not(.dark) .gen-lab__side-hint {
  color: var(--ailab-text-sub);
}

.gen-lab-main .gen-lab__prompt-heading {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ailab-muted);
  margin-bottom: 0.35rem;
}

.gen-lab-main .input-dark,
.gen-lab-main textarea.input-dark,
.gen-lab-main select.input-dark {
  background: var(--ailab-input-bg) !important;
  border-color: var(--ailab-border) !important;
  color: var(--ailab-text) !important;
}

/* 与 theme.css 的 color-scheme 一致，保证工作台内下拉在浅色 html 下仍为浅色弹层 */
html.dark .gen-lab-main select.input-dark,
html.dark .gen-lab-main select {
  color-scheme: dark;
}

html:not(.dark) .gen-lab-main select.input-dark,
html:not(.dark) .gen-lab-main select {
  color-scheme: light;
}

.gen-lab-main .border-gray-800 {
  border-color: var(--ailab-border) !important;
}

.gen-lab-main #run-btn {
  background: linear-gradient(135deg, #0097d7, #00e0ff) !important;
  box-shadow: 0 4px 18px rgba(0, 151, 215, 0.38);
  border: none;
}

html:not(.dark) .gen-lab-main #run-btn {
  background: linear-gradient(135deg, #005a9c, #00b4d8) !important;
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.25);
}

.gen-lab-main .gen-lab__drop {
  border: 1px dashed var(--ailab-border);
  border-radius: 12px;
  padding: 1.25rem;
  text-align: center;
  background: var(--ailab-fill);
  color: var(--ailab-muted);
  font-size: 0.8125rem;
}

.gen-lab-main .gen-lab__param-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.gen-lab-main .gen-lab__param {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 120px;
}

.gen-lab-main .gen-lab__param label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--ailab-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* 与画幅/时长/分辨率同排：成片声音（复选框 + 说明文案） */
.gen-lab-main .gen-lab__param--audio-check .gen-lab__param__title {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--ailab-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* 小屏吸底操作条：需取消 main 的 overflow:hidden，否则 sticky 不生效 */
@media (max-width: 1023px) {
  #tool-main.panel-glow {
    overflow: visible;
  }

  #tool-action-bar.tool-action-bar {
    position: sticky;
    bottom: 0;
    z-index: 20;
    margin-top: 0.5rem;
    margin-left: -1.25rem;
    margin-right: -1.25rem;
    margin-bottom: -0.25rem;
    padding: 0.75rem 1.25rem;
    padding-bottom: max(0.75rem, env(safe-area-inset-bottom, 0px));
    border-radius: 0 0 12px 12px;
    background: rgba(12, 16, 24, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(55, 65, 81, 0.85);
    box-shadow: 0 -10px 28px rgba(0, 0, 0, 0.35);
  }

  @media (min-width: 640px) {
    #tool-action-bar.tool-action-bar {
      margin-left: -1.5rem;
      margin-right: -1.5rem;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
  }

  html:not(.dark) #tool-action-bar.tool-action-bar {
    background: rgba(255, 255, 255, 0.96);
    border-top-color: #e2e8f0;
    box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.08);
  }

  .gen-lab-main#tool-main #tool-action-bar.tool-action-bar {
    background: color-mix(in srgb, var(--ailab-surface) 94%, transparent);
    border-top-color: var(--ailab-border);
  }

  html:not(.dark) .gen-lab-main#tool-main #tool-action-bar.tool-action-bar {
    background: color-mix(in srgb, var(--ailab-surface) 96%, transparent);
  }
}

.gen-lab__segment-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.gen-lab__seg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--ailab-border);
  color: var(--ailab-muted);
  background: var(--ailab-fill);
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.gen-lab__seg:hover {
  color: var(--ailab-text);
  border-color: color-mix(in srgb, var(--ailab-blue) 45%, var(--ailab-border));
}

.gen-lab__seg--active {
  color: #fff;
  background: linear-gradient(135deg, #0097d7, #00e0ff);
  border-color: transparent;
}

html:not(.dark) .gen-lab__seg--active {
  color: #fff;
  background: linear-gradient(135deg, #005a9c, #0097d7);
}