/* ============================================================
   Emotion Ball 表情馆 · 站点样式
   主题:CSS 变量双主题(暗黑默认 / 明亮),html[data-theme] 切换
   布局:开屏 Hero + 展馆主区(陈列墙 / 画册,body.mode-* 切换)
   布局稳定性硬性约束:
   - 动态文本均放固定尺寸槽位,用 opacity / visibility 显隐
   - 悬停 / 选中态只用 transform + outline / box-shadow,不改尺寸
   - 滚动容器 scrollbar-gutter: stable
   ============================================================ */

:root {
  --font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-disp: "Space Grotesk", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Space Grotesk", ui-monospace, "Cascadia Mono", Consolas, monospace;
  /* 悬浮胶囊导航:top 24px + 导航自高约 58px + 24px 余量 */
  --nav-offset: 106px;
  /* 内容容器:外框 1280px + 32px 内边距 = 1216px 内容区,与导航内容对齐 */
  --content-w: 1280px;
  --content-pad: 32px;
}

html[data-theme="dark"] {
  /* 原生控件(下拉面板 / 滚动条 / 校验气泡)跟随暗色 */
  color-scheme: dark;
  /* 下拉框自绘箭头(描边色 = muted) */
  --chevron: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a1a1a1' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  --bg: #09090b;
  --bg-soft: #18181a;
  --card: #18181a;
  --card-2: #27272a;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.2);
  --text: #ffffff;
  --muted: #a1a1a1;
  --ink: #f5f5f5;
  --ink-contrast: #17191c;
  --accent: #916dff;
  --accent-deep: #7140d7;
  --accent-soft: rgba(145, 109, 255, 0.16);
  --ok: #72c29c;
  --danger: #e06b5e;
  --shadow: rgba(0, 0, 0, 0.5);
  --glow: rgba(255, 255, 255, 0.06);
  /* CTA 按钮面:白色渐变(与暗底形成最强对比层级) */
  --btn-face: linear-gradient(180deg, #ffffff 0%, #d6d6d6 100%);
  --btn-face-text: #17191c;
  --btn-face-border: #e0e0e0;
  /* 首屏光效:紫罗兰体积光束,与品牌紫同色相,screen 叠加发光 */
  --beam-a: rgba(190, 173, 255, 0.30);
  --beam-b: rgba(166, 138, 252, 0.25);
  --beam-c: rgba(214, 203, 255, 0.35);
  --beam-d: rgba(148, 113, 247, 0.23);
  --glow-core: rgba(196, 182, 255, 0.40);
  --glow-mid: rgba(139, 92, 246, 0.19);
}

html[data-theme="light"] {
  color-scheme: light;
  --chevron: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b6b74' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  --bg: #fafafa;
  --bg-soft: #f1f1f3;
  --card: #ffffff;
  --card-2: #f5f5f7;
  --line: rgba(9, 9, 11, 0.08);
  --line-strong: rgba(9, 9, 11, 0.18);
  --text: #18181b;
  --muted: #6b6b74;
  --ink: #18181b;
  --ink-contrast: #ffffff;
  --accent: #6e21c4;
  --accent-deep: #5a18a3;
  --accent-soft: rgba(110, 33, 196, 0.10);
  --ok: #3f8f68;
  --danger: #c4504a;
  --shadow: rgba(24, 24, 27, 0.16);
  --glow: rgba(24, 24, 27, 0.05);
  /* CTA 按钮面:明亮模式反转为墨色渐变 */
  --btn-face: linear-gradient(180deg, #2c2c31 0%, #17191c 100%);
  --btn-face-text: #ffffff;
  --btn-face-border: #17191c;
  /* 首屏光效:淡紫低透明度,normal 叠加 */
  --beam-a: rgba(145, 109, 255, 0.13);
  --beam-b: rgba(110, 33, 196, 0.09);
  --beam-c: rgba(145, 109, 255, 0.15);
  --beam-d: rgba(110, 33, 196, 0.08);
  --glow-core: rgba(145, 109, 255, 0.20);
  --glow-mid: rgba(110, 33, 196, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { height: 100%; }

body {
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background 0.35s ease, color 0.35s ease;
  scrollbar-color: var(--line-strong) transparent;
}

body.stage-open { overflow: hidden; }

button, input, select { font: inherit; color: inherit; }

/* 键盘焦点环:仅 :focus-visible 触发,不干扰鼠标操作 */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ================= 顶栏 ================= */

/* 悬浮胶囊导航:居中 1280px、17px 圆角、毛玻璃 + hairline 细描边 */
.topbar {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  width: min(var(--content-w), calc(100% - 40px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px var(--content-pad);
  border: 1px solid var(--line);
  border-radius: 17px;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 3px rgba(16, 24, 40, 0.1), 0 1px 2px rgba(16, 24, 40, 0.06);
}

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

/* 品牌 LOGO:一颗活的迷你表情球(EB lite 实例,会注视鼠标) */
.brand-ball {
  width: 30px;
  height: 30px;
  flex: none;
  filter: drop-shadow(0 1px 4px var(--shadow));
}

.brand-name {
  font-family: var(--font-disp);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

/* 视图切换:分段控件 */
.mode-switch {
  display: flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-soft);
}

.mode-btn {
  min-width: 76px;
  height: 30px;
  padding: 0 16px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s, background 0.2s;
}
.mode-btn:hover { color: var(--text); }
.mode-btn.active {
  background: var(--ink);
  color: var(--ink-contrast);
  font-weight: 500;
}

.top-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.icon-btn {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.icon-btn:hover { color: var(--text); border-color: var(--line-strong); background: var(--bg-soft); }

.lang-btn {
  width: auto;
  min-width: 34px;
  padding: 0 10px;
  font-family: var(--font-disp);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* 主题图标:暗黑显示太阳(点击去明亮),明亮显示月亮 */
html[data-theme="dark"] .ico-moon { display: none; }
html[data-theme="light"] .ico-sun { display: none; }

/* 设置:展馆头部 tabs 行最右侧的齿轮按钮 */
.settings-btn { flex: none; }
.settings-btn:hover svg { transform: rotate(40deg); }
.settings-btn svg { transition: transform 0.3s; }

/* ================= 开屏 Hero ================= */

/* 首屏压缩到 88vh:留出下一屏展馆的露出量,避免整屏过高 */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

/* 氛围幕布:纯 CSS 体积光——
   左上角落光源 + 多束约 45° conic 光束,radial 遮罩距离衰减,呼吸动画 */
.hero-backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
html[data-theme="dark"] .hero-backdrop { mix-blend-mode: screen; }

/* 角落光源:略移出左上角外的紫罗兰光晕 */
.hero-backdrop::before {
  content: "";
  position: absolute;
  left: -170px;
  top: -190px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow-core) 0%, var(--glow-mid) 45%, transparent 72%);
  filter: blur(36px);
}

/* 多束光:conic 峰值向两侧渐隐(柔边),发散原点远移到左上外侧 */
.hero-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background: conic-gradient(from 88deg at -24% -30%,
    transparent 8deg,
    var(--beam-a) 18deg,
    transparent 27deg,
    var(--beam-b) 36deg,
    transparent 44deg,
    var(--beam-c) 52deg,
    transparent 60deg,
    var(--beam-d) 68deg,
    transparent 78deg,
    transparent 90deg);
  -webkit-mask-image: radial-gradient(122% 116% at 0% 0%, #000 0%, rgba(0, 0, 0, 0.8) 26%, rgba(0, 0, 0, 0.4) 54%, transparent 76%);
  mask-image: radial-gradient(122% 116% at 0% 0%, #000 0%, rgba(0, 0, 0, 0.8) 26%, rgba(0, 0, 0, 0.4) 54%, transparent 76%);
  filter: blur(12px);
  animation: beam-shimmer 10s ease-in-out infinite;
}

/* 体积光呼吸:只动透明度,保持角度稳定 */
@keyframes beam-shimmer {
  0%, 100% { opacity: 0.62; }
  50% { opacity: 1; }
}

/* 文案块在小球上方的剩余空间内垂直居中(padding-bottom 预留小球高度),
   避免整屏 Hero 的富余高度全部堆积在按钮与小球之间 */
.hero-copy {
  position: relative;
  z-index: 1;
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--nav-offset) var(--content-pad) min(40vh, 360px);
  max-width: 860px;
}

.hero-eyebrow {
  font-family: var(--font-disp);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.34em;
  color: var(--accent);
  margin-bottom: 18px;
}

.hero-title {
  font-family: var(--font-disp);
  font-size: clamp(40px, 6.4vw, 78px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0.01em;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: clamp(14px, 1.5vw, 17px);
  color: var(--muted);
  margin-bottom: 34px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 46px;
  padding: 0 26px;
  border: 1px solid var(--btn-face-border);
  border-radius: 999px;
  background: var(--btn-face);
  color: var(--btn-face-text);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 30px var(--shadow); }
.hero-cta:active { transform: translateY(0); }
.cta-arrow { font-family: var(--font-disp); animation: cta-bob 1.8s ease-in-out infinite; }
@keyframes cta-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(3px); } }

/* 左下角提示:对齐 1280px 容器内边距 */
.hero-hint {
  position: absolute;
  left: max(var(--content-pad), calc((100vw - var(--content-w)) / 2 + var(--content-pad)));
  bottom: 22px;
  z-index: 2;
  font-size: 12px;
  color: var(--muted);
  opacity: 0.85;
}

/* 半遮罩线稿 bot:方形实例沉入页面底边,只露出上半张脸;
   clip-path 仅裁切底边,彩带在上方与两侧完整可见 */
.hero-bot-clip {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: min(720px, 86vw);
  height: min(44vh, 380px, 46vw);
  clip-path: inset(-9999px -9999px 0 -9999px);
  z-index: 1;
}
.hero-bot {
  width: min(720px, 86vw);
  height: min(720px, 86vw);
  cursor: pointer;
}

/* ================= 展馆主区 ================= */

/* 展馆主区:1280px 容器居中,顶部内边距给悬浮导航让位 */
.gallery {
  display: grid;
  height: 100vh;
  min-height: 620px;
  width: min(var(--content-w), 100%);
  margin-inline: auto;
  padding: var(--nav-offset) var(--content-pad) 26px;
  gap: 4px 28px;
  scroll-margin-top: 0;
}

/* --- 陈列墙:整面缩略网格,大图舞台由弹窗承载 --- */
body.mode-wall .gallery {
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr);
  grid-template-areas:
    "head"
    "thumbs";
}

/* --- 画册:上长廊 / 下大舞台 --- */
body.mode-album .gallery {
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto auto minmax(0, 1fr);
  grid-template-areas:
    "head"
    "thumbs"
    "stage";
}

.gallery-head {
  grid-area: head;
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 48px;
}
.gallery-head .tabs { flex: 1; }
.gallery-head .gallery-hint { margin-left: auto; margin-right: 4px; }

.gallery-hint {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  opacity: 0.8;
}

/* Tabs */
.tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
  height: 32px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s, background 0.2s;
}
.tab:hover { color: var(--text); background: var(--bg-soft); }
.tab.active { background: var(--ink); color: var(--ink-contrast); }

.tab-count {
  font-family: var(--font-disp);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  opacity: 0.75;
}

/* ---- 缩略图容器:同一份 DOM,两种排布 ---- */
.thumb-zone { grid-area: thumbs; min-width: 0; min-height: 0; }

body.mode-wall .thumb-zone {
  overflow-y: auto;
  scrollbar-gutter: stable;
  padding: 12px 6px 6px 2px;
}
body.mode-wall .thumb-flow {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(138px, 1fr));
  gap: 14px;
  grid-auto-rows: max-content;
}

body.mode-album .thumb-zone {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 12px 2px;
  cursor: grab;
}
body.mode-album .thumb-zone.dragging { cursor: grabbing; }
body.mode-album .thumb-zone.dragging .cell { pointer-events: none; }
body.mode-album .thumb-flow {
  display: flex;
  gap: 10px;
  width: max-content;
  padding: 0 4px;
}
body.mode-album .cell { width: 104px; flex: none; }

/* 滚动条随主题变量取色(纵向网格 / 横向长廊 / 抽屉通用) */
.thumb-zone, .drawer { scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }
.thumb-zone::-webkit-scrollbar, .drawer::-webkit-scrollbar { width: 8px; height: 8px; }
.thumb-zone::-webkit-scrollbar-thumb, .drawer::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 4px;
}
.thumb-zone::-webkit-scrollbar-thumb:hover, .drawer::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}
.thumb-zone::-webkit-scrollbar-track, .drawer::-webkit-scrollbar-track { background: transparent; }

.cell {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
  outline: 2px solid transparent;
  outline-offset: -2px;
}
.cell:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: 0 10px 26px var(--shadow);
}
.cell.selected { outline-color: var(--ink); }

.thumb { width: 100%; aspect-ratio: 1; padding: 12%; }

.cell-label {
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-top: 1px solid var(--line);
  background: var(--card-2);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  padding: 0 6px;
}
.cell.selected .cell-label { color: var(--text); }

.cell-label .cid {
  font-family: var(--font-disp);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

/* ---- 舞台区:主球 + 元信息 + 团队小球,两侧翻页箭头
   画册模式内联在长廊下方;陈列墙模式作为居中弹窗呈现 ---- */
.stage-zone {
  grid-area: stage;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 0;
}

body.mode-wall .stage-zone {
  position: fixed;
  inset: 0;
  z-index: 70;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.26s, visibility 0.26s;
}
body.mode-wall .stage-zone::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
body.mode-wall.stage-open .stage-zone { opacity: 1; visibility: visible; }

body.mode-wall .stage-block {
  position: relative;
  padding: 26px 40px 12px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--card);
  box-shadow: 0 30px 80px var(--shadow);
  transform: translateY(10px) scale(0.97);
  transition: transform 0.26s cubic-bezier(0.3, 0.9, 0.35, 1);
}
body.mode-wall.stage-open .stage-block { transform: translateY(0) scale(1); }

.stage-close { display: none; }
body.mode-wall .stage-close {
  display: inline-flex;
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
}

.pager-btn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--card);
  color: var(--muted);
  cursor: pointer;
  flex: none;
  transition: color 0.2s, border-color 0.2s, transform 0.15s;
}
.pager-btn:hover { color: var(--text); border-color: var(--line-strong); transform: scale(1.06); }
.pager-btn:active { transform: scale(0.98); }

.stage-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}

/* tips 气泡:固定槽位 */
.tips {
  height: 34px;
  max-width: 340px;
  padding: 6px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 17px;
  background: var(--card);
  color: var(--text);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-shadow: 0 4px 16px var(--shadow);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  pointer-events: none;
}
.tips.show { opacity: 1; visibility: visible; }

.stage {
  width: var(--stage-size, 320px);
  height: var(--stage-size, 320px);
  margin-top: 6px;
  cursor: pointer;
  position: relative;
}
body.mode-wall .gallery { --stage-size: min(430px, 50vh); }
body.mode-album .gallery { --stage-size: min(480px, 46vh); }

/* 舞台氛围光:球体后方的紫罗兰柔光,增强体积质感 */
.stage::before {
  content: "";
  position: absolute;
  inset: 4%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, var(--accent-soft), transparent 66%);
  filter: blur(20px);
  pointer-events: none;
}

/* 舞台底座投影 */
.stage::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3%;
  width: 56%;
  height: 5%;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(ellipse at center, var(--shadow), transparent 70%);
  opacity: 0.55;
  pointer-events: none;
}
.stage svg { filter: drop-shadow(0 16px 26px var(--shadow)); }

/* 元信息:固定槽位 */
.emo-meta {
  height: 38px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.emo-id {
  min-width: 58px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-disp);
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.emo-name {
  font-size: 19px;
  font-weight: 700;
  white-space: nowrap;
}

.pager-ind {
  font-family: var(--font-disp);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  white-space: nowrap;
}

.emo-desc {
  width: min(420px, 80vw);
  height: 44px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  overflow: hidden;
}

/* 团队小球:固定槽位 */
.baby-row {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.baby-list { display: flex; align-items: center; gap: 6px; }
.baby {
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: transform 0.18s ease;
}
.baby:hover { transform: translateY(-3px) scale(1.1); }
.baby:active { transform: translateY(-1px) scale(1.02); }

/* ================= 设置抽屉 ================= */

.drawer-mask {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: color-mix(in srgb, var(--bg) 45%, transparent);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity 0.28s;
}
.drawer-mask.show { opacity: 1; }

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  width: min(340px, 92vw);
  padding: 20px 22px 28px;
  border-left: 1px solid var(--line);
  background: var(--card);
  overflow-y: auto;
  transform: translateX(102%);
  transition: transform 0.32s cubic-bezier(0.32, 0.9, 0.35, 1);
  box-shadow: -18px 0 50px var(--shadow);
}
.drawer.open { transform: translateX(0); }

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.drawer-head h2 {
  font-size: 16px;
  font-weight: 700;
}

.drawer-sec {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.drawer-sec:last-of-type { border-bottom: none; }

.drawer-sec h3 {
  font-family: var(--font-disp);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 40px;
}
.field > label:first-child { color: var(--text); font-size: 13.5px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }

.ai-input {
  width: 100%;
  height: 38px;
  padding: 0 12px;
  margin-bottom: 10px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--bg-soft);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.ai-input:focus { outline: none; border-color: var(--accent); }

.btn {
  height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--card-2);
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s;
}
.btn:hover { border-color: var(--text); }

.btn.primary {
  background: var(--btn-face);
  border-color: var(--btn-face-border);
  color: var(--btn-face-text);
  font-weight: 500;
}
.btn.primary:hover { opacity: 0.9; }

.btn.ghost {
  background: transparent;
  color: var(--muted);
  border-style: dashed;
}
.btn.ghost:hover { color: var(--text); }

/* 下拉控件(原生 select 兜底样式与自定义触发器共用):去原生外观,自绘箭头 */
.select,
.dd-trigger {
  appearance: none;
  -webkit-appearance: none;
  height: 34px;
  min-width: 96px;
  padding: 0 32px 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background-color: var(--bg-soft);
  background-image: var(--chevron);
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 14px;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}
.select:hover, .dd-trigger:hover { border-color: var(--muted); background-color: var(--card-2); }
.select:focus { outline: none; border-color: var(--accent); }
.select option {
  background-color: var(--card);
  color: var(--text);
}

/* ---- 自定义下拉:原生 select 隐藏保留,浮层完全主题化 ---- */
.dd { position: relative; flex: none; }
.dd > .select { display: none; }
.dd-trigger { text-align: left; }
.dd.open .dd-trigger { border-color: var(--accent); }

.dd-pop {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 100%;
  z-index: 95;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  box-shadow: 0 12px 34px var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.18s, transform 0.18s, visibility 0.18s;
}
.dd.open .dd-pop { opacity: 1; visibility: visible; transform: translateY(0); }

.dd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  height: 32px;
  padding: 0 10px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}
.dd-item:hover { background: var(--bg-soft); }
.dd-item.selected {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}
.dd-item .dd-check { opacity: 0; flex: none; }
.dd-item.selected .dd-check { opacity: 1; }

/* 开关 */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--line-strong);
  cursor: pointer;
  transition: background 0.25s;
}
.slider::before {
  content: "";
  position: absolute;
  left: 3px; top: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: transform 0.25s;
}
.switch input:checked + .slider { background: var(--accent); }
.switch input:checked + .slider::before { transform: translateX(20px); }

/* ================= Toast ================= */

.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  z-index: 100;
  transform: translateX(-50%) translateY(8px);
  max-width: min(520px, 88vw);
  padding: 9px 20px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--card);
  color: var(--text);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-shadow: 0 10px 34px var(--shadow);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s, transform 0.28s, visibility 0.28s;
  pointer-events: none;
}
.toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.toast.ok { color: var(--ok); }
.toast.danger { color: var(--danger); }

/* ================= 响应式 ================= */

@media (max-width: 900px) {
  :root { --nav-offset: 84px; --content-pad: 16px; }
  .topbar {
    top: 12px;
    width: calc(100% - 24px);
    padding: 8px 16px;
    border-radius: 14px;
  }
  .gallery-hint { display: none; }
  .settings-btn { margin-left: auto; }
  .gallery { height: auto; min-height: 0; }
  body.mode-wall .thumb-zone { overflow: visible; }
  body.mode-wall .stage-block { padding: 20px 16px 8px; }
  body.mode-wall .gallery { --stage-size: min(280px, 70vw); }
}

@media (prefers-reduced-motion: reduce) {
  .cta-arrow { animation: none; }
  .hero-backdrop::after { animation: none; opacity: 0.8; }
  * { transition-duration: 0.01ms !important; }
}