/**
 * liangshangAI 设计令牌与全站可复用组件（深海军 + 电青强调）
 * 引用顺序：先 theme.js → theme.css → 本文件 → 页面/模块 CSS（如 media-lab.css）
 * 与 theme.js 的 html.dark 配合：:root 为暗色基准，html:not(.dark) 为亮色工作台
 */

:root,
html.dark {
  /* liangshangAI：深海军底 + 电青强调 + 冷银描边 */
  --ls-bg: #0a1a32;
  --ls-bg-elevated: #0f2848;
  --ls-surface: rgba(12, 28, 58, 0.82);
  --ls-surface-solid: #0f2748;
  --ls-border: rgba(176, 196, 222, 0.22);
  --ls-border-strong: rgba(0, 232, 255, 0.42);
  --ls-text: rgba(248, 250, 252, 0.96);
  --ls-text-muted: rgba(186, 198, 214, 0.92);
  --ls-text-sub: rgba(120, 140, 168, 0.9);
  --ls-blue: #00e8ff;
  --ls-violet: #7df9ff;
  --ls-cyan: #7df9ff;
  --ls-gold: #fbbf24;
  --ls-pink: #f472b6;
  --ls-emerald: #34d399;
  --ls-radius: 0.85rem;
  --ls-radius-lg: 1rem;
  --ls-radius-xl: 1.1rem;
  --ls-shadow-glow: 0 0 0 1px rgba(0, 224, 255, 0.12), 0 4px 28px rgba(0, 27, 61, 0.55);
  --ls-grad-primary: linear-gradient(112deg, #063a5c 0%, #0a6fa8 45%, #00b4d8 78%, #00e8ff 100%);
  --ls-grad-hero: linear-gradient(135deg, rgba(0, 232, 255, 0.14), rgba(0, 151, 215, 0.12), rgba(125, 249, 255, 0.08));
  --ls-grad-mesh: radial-gradient(ellipse 100% 80% at 8% 0%, rgba(0, 151, 215, 0.22), transparent 55%),
    radial-gradient(ellipse 70% 50% at 92% 18%, rgba(0, 240, 255, 0.12), transparent 50%),
    radial-gradient(ellipse 60% 45% at 50% 100%, rgba(64, 181, 255, 0.1), transparent 46%);
}

html:not(.dark) {
  --ls-bg: #f0f6fc;
  --ls-bg-elevated: #e8f0fa;
  --ls-surface: rgba(255, 255, 255, 0.94);
  --ls-surface-solid: #ffffff;
  --ls-border: #d1dbe8;
  --ls-border-strong: rgba(0, 151, 215, 0.45);
  --ls-text: #0f172a;
  --ls-text-muted: #475569;
  --ls-text-sub: #64748b;
  --ls-blue: #0097d7;
  --ls-violet: #0891b2;
  --ls-grad-primary: linear-gradient(120deg, #005a9c 0%, #0097d7 55%, #00c8f0 100%);
  --ls-grad-hero: linear-gradient(135deg, rgba(0, 151, 215, 0.14), rgba(0, 224, 255, 0.08), rgba(64, 181, 255, 0.06));
  --ls-grad-mesh: radial-gradient(ellipse 100% 80% at 10% 0%, rgba(0, 151, 215, 0.1), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 20%, rgba(0, 224, 255, 0.08), transparent 50%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(64, 181, 255, 0.06), transparent 45%);
  --ls-shadow-glow: 0 0 0 1px rgba(15, 23, 42, 0.05), 0 4px 20px rgba(15, 23, 42, 0.07);
}

.ls-app {
  background-color: var(--ls-bg);
  color: var(--ls-text);
  min-height: 100vh;
  position: relative;
}

.ls-app::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: var(--ls-grad-mesh);
  opacity: 0.9;
}

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

/** 顶栏品牌字：冷银高光 + 轻微电青外晕 */
.ls-brand-wordmark {
  font-weight: 800;
  letter-spacing: 0.03em;
  color: #e8f0fa;
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.22), 0 1px 0 rgba(255, 255, 255, 0.12);
}
html:not(.dark) .ls-brand-wordmark {
  color: #0c4a6e;
  text-shadow: none;
}

/* 首页 / 平台壳：顶栏下左侧固定目录 + 右侧主内容区（参考仪表盘） */
/* 视口单屏：不撑高 document，由 .ls-main-rail 等子区出现内部滚动 */
.ls-app.ls-app--shell {
  min-height: 100dvh;
  height: 100dvh;
  max-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* 管理后台、登录/注册：同样锁定根节点高度，长内容在 main 内滚 */
.ls-app.ls-app--admin {
  min-height: 100dvh;
  height: 100dvh;
  max-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body.ls-app.ls-app--auth {
  min-height: 100dvh;
  height: 100dvh;
  max-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body.ls-app.ls-app--auth > main {
  flex: 1 1 0%;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.ls-page-body {
  flex: 1 1 0%;
  display: flex;
  flex-direction: row;
  min-height: 0;
  min-width: 0;
  width: 100%;
  max-width: 100rem; /* 1600px 由外层 mx-auto 限制 */
  margin-left: auto;
  margin-right: auto;
  align-items: stretch;
}

/* 工作台：左侧目录轨 + 中间主区/右侧历史（与首页同轨左栏、右为内容列） */
.ls-app.ls-app--tool-shell .ls-page-body--tool {
  display: flex;
  flex-direction: row;
  flex: 1 1 0%;
  min-height: 0;
  min-width: 0;
  width: 100%;
  max-width: 100rem;
  margin-left: auto;
  margin-right: auto;
  align-items: stretch;
}

/* 中间主区 + 右侧本工具记录：占满顶栏下剩余高度；桌面用列内滚，小屏整列可滚 */
.ls-app.ls-app--tool-shell .ls-workspace-cols {
  flex: 1 1 0%;
  min-height: 0;
  overflow: hidden;
  -webkit-overflow-scrolling: touch;
}
@media (max-width: 1023px) {
  .ls-app.ls-app--tool-shell .ls-workspace-cols {
    overflow-y: auto;
  }
}

.ls-workspace-cols {
  display: flex;
  flex: 1 1 0%;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
  gap: 1rem;
}
@media (min-width: 1024px) {
  .ls-workspace-cols {
    flex-direction: row;
    align-items: stretch;
  }
}

/* 与首页 .ls-nav-item--active 一致，由 JS 在工具页用 .active 切换 */
a.ls-nav-item.active,
button.ls-nav-item.ls-nav-item--on {
  background: color-mix(in srgb, var(--ls-blue) 18%, transparent) !important;
  color: var(--ls-text) !important;
  border-color: color-mix(in srgb, var(--ls-blue) 35%, transparent) !important;
  border-left-color: var(--ls-blue) !important;
  font-weight: 500;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ls-blue) 20%, transparent);
}

.ls-sidebar-rail {
  display: none;
  flex-direction: column;
  width: 14rem;
  flex: 0 0 14rem;
  min-width: 14rem;
  border-right: 1px solid var(--ls-border);
  background: color-mix(in srgb, var(--ls-surface) 92%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  overflow: hidden;
}
@media (min-width: 1024px) {
  .ls-sidebar-rail {
    display: flex;
  }
}
.ls-sidebar-rail__scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.75rem 0.65rem 1rem;
  overscroll-behavior: contain;
}
.ls-main-rail {
  flex: 1 1 0%;
  min-width: 0;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 0.75rem 0.75rem 1.5rem;
}
@media (min-width: 640px) {
  .ls-main-rail {
    padding: 1rem 1.1rem 1.75rem;
  }
}

/* 我的作品：标题与筛选常显，仅列表在 #works-list 内滚 */
#ls-works-main.ls-main-rail {
  display: flex;
  flex-direction: column;
  flex: 1 1 0%;
  overflow: hidden;
}
#ls-works-main #works-list {
  flex: 1 1 0%;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}

/* 非 ls-ai 工具：主栏自身滚动，避免 document 与 result-card 等撑出整页高（liangshangAI 由 tool.html 内联样式设 overflow:hidden） */
body.ls-app--tool-shell:not(.ls-ai-tool-active) #tool-main {
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.ls-sidebar-rail__footer {
  flex-shrink: 0;
  padding: 0.5rem 0.65rem 0.75rem;
  border-top: 1px solid var(--ls-border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}
.ls-sidebar-rail__footer a {
  color: var(--ls-text-sub);
  font-size: 1.05rem;
  padding: 0.25rem;
}
.ls-sidebar-rail__footer a:hover {
  color: var(--ls-text);
}

html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .ls-glass {
    backdrop-filter: none;
  }
}

/* 玻璃面 */
.ls-glass {
  background: var(--ls-surface);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--ls-border);
  box-shadow: var(--ls-shadow-glow);
  border-radius: var(--ls-radius-lg);
}

.ls-panel {
  background: var(--ls-surface);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-lg);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, var(--ls-shadow-glow);
}

/* 与现有 tool 页面 panel-card 叠加 */
.ls-app .panel-card,
.workspace-shell.ls-app .panel-card {
  background: var(--ls-surface) !important;
  border-color: var(--ls-border) !important;
  border-radius: var(--ls-radius-lg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, var(--ls-shadow-glow);
}

html:not(.dark) .ls-app.workspace-shell,
html:not(.dark) body.workspace-shell.ls-app {
  background: var(--ls-bg) !important;
}

/* 顶栏 */
.ls-top-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--ls-bg) 86%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ls-border);
}

@supports not (background: color-mix(in srgb, red, blue)) {
  .ls-top-header {
    background: rgba(10, 25, 49, 0.92);
  }
  html:not(.dark) .ls-top-header {
    background: rgba(240, 246, 252, 0.96);
  }
}

.ls-breadcrumb a {
  color: var(--ls-text-sub);
  transition: color 0.15s;
}
.ls-breadcrumb a:hover {
  color: var(--ls-text);
}

/* 我的作品等：#works-filters-panel 内原生 select / date
   （.ls-app--shell 无 tool 内联 .input-dark，需与 --ls-* 对齐；theme.css 的 select 方案针对 .workspace-shell） */
#works-filters-panel {
  color-scheme: light;
  --ls-filters-input-bg: var(--ls-surface-solid);
  --ls-filters-input-fg: var(--ls-text);
}
html.dark #works-filters-panel {
  color-scheme: dark;
}
#works-filters-panel .ls-filter-input,
#works-filters-panel select.ls-filter-input,
#works-filters-panel input.ls-filter-input[type="date"] {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  box-sizing: border-box;
  min-height: 2.25rem;
  border-radius: 0.5rem;
  border: 1px solid var(--ls-border);
  background-color: var(--ls-filters-input-bg);
  color: var(--ls-filters-input-fg);
  font-size: 0.75rem;
  line-height: 1.3;
  padding: 0.32rem 0.5rem;
  font-family: inherit;
  accent-color: var(--ls-blue);
}
#works-filters-panel select.ls-filter-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.45rem center;
  background-size: 0.9rem;
  padding-right: 1.75rem;
  cursor: pointer;
}
html:not(.dark) #works-filters-panel select.ls-filter-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}
#works-filters-panel .ls-filter-input:focus,
#works-filters-panel select.ls-filter-input:focus,
#works-filters-panel input.ls-filter-input[type="date"]:focus {
  outline: none;
  border-color: var(--ls-blue);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--ls-blue) 22%, transparent);
}
html.dark .ls-app--shell #works-filters-panel select option,
html.dark .ls-app--shell #works-filters-panel select optgroup {
  background-color: #0f2748;
  color: #e5e7eb;
}
html:not(.dark) .ls-app--shell #works-filters-panel select option,
html:not(.dark) .ls-app--shell #works-filters-panel select optgroup {
  background-color: #ffffff;
  color: #0f172a;
}
#works-filters-panel input.ls-filter-input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.7;
  padding: 0 0.1rem;
}
html.dark
  .ls-app--shell
  #works-filters-panel
  input.ls-filter-input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(1) brightness(1.1);
  opacity: 0.8;
}
#works-filters-panel .ls-filter-clear {
  min-height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  border: 1px solid var(--ls-border);
  background: color-mix(in srgb, var(--ls-surface-solid) 40%, transparent);
  color: var(--ls-text-muted);
  font-size: 0.75rem;
  padding: 0 0.6rem;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
  flex-shrink: 0;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
#works-filters-panel .ls-filter-clear:hover {
  color: var(--ls-text);
  border-color: var(--ls-border-strong);
  background: color-mix(in srgb, var(--ls-surface) 50%, transparent);
}
#works-filters-panel .ls-filter-clear:focus {
  outline: none;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--ls-blue) 22%, transparent);
}

/* 侧栏导航项（参考图：左条高亮 + 半透底） */
.ls-nav-section {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ls-text-sub);
  margin: 0.75rem 0 0.4rem;
}

.ls-nav-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.65rem 0.5rem 0.5rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  color: var(--ls-text-muted);
  text-decoration: none;
  border: 1px solid transparent;
  border-left: 3px solid transparent;
  margin-bottom: 0.2rem;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
button.ls-nav-item {
  font: inherit;
  line-height: inherit;
  width: 100%;
  text-align: left;
  background: none;
  cursor: pointer;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}
.ls-nav-item:hover {
  background: color-mix(in srgb, var(--ls-blue) 8%, transparent);
  color: var(--ls-text);
}
html.dark .ls-nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}
.ls-nav-item--disabled,
span.ls-nav-item[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.5;
  pointer-events: none;
  color: var(--ls-text-sub);
}
a.ls-nav-item--placeholder {
  opacity: 0.65;
  cursor: default;
  color: var(--ls-text-sub);
  pointer-events: none;
}
.ls-nav-item--active {
  background: color-mix(in srgb, var(--ls-blue) 18%, transparent) !important;
  color: var(--ls-text) !important;
  border-color: color-mix(in srgb, var(--ls-blue) 35%, transparent) !important;
  border-left-color: var(--ls-blue) !important;
  font-weight: 500;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ls-blue) 20%, transparent);
}
.ls-nav-item__icon {
  width: 1.25rem;
  text-align: center;
  opacity: 0.9;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.ls-nav-item__icon iconify-icon {
  display: block;
}

/* Lucide（Iconify Web Component）— 全站统一线标 */
iconify-icon.ls-icon {
  display: inline-block;
  vertical-align: -0.15em;
  flex-shrink: 0;
  color: currentColor;
}
iconify-icon.ls-icon--nav {
  width: 1.125rem;
  height: 1.125rem;
}
iconify-icon.ls-icon--header {
  width: 1rem;
  height: 1rem;
}
iconify-icon.ls-icon--sm {
  width: 0.875rem;
  height: 0.875rem;
}
iconify-icon.ls-icon--card {
  width: 2.5rem;
  height: 2.5rem;
}
iconify-icon.ls-icon--xl {
  width: 2.75rem;
  height: 2.75rem;
}
iconify-icon.ls-icon--2xl {
  width: 3.5rem;
  height: 3.5rem;
}
.ls-feature-card__icon--img iconify-icon.ls-icon--card {
  color: color-mix(in srgb, var(--ls-blue) 78%, var(--ls-text-muted) 22%);
}
@keyframes ls-icon-spin {
  to {
    transform: rotate(360deg);
  }
}
iconify-icon.ls-icon--spin {
  animation: ls-icon-spin 0.7s linear infinite;
}

/* 继承旧 sidebar-link 时可并列使用 */
.sidebar-link.ls-nav-item--active,
.ls-app .sidebar-link.active {
  background: color-mix(in srgb, var(--ls-blue) 16%, transparent);
  color: var(--ls-text);
  border-left-color: var(--ls-blue);
  border-color: color-mix(in srgb, var(--ls-blue) 30%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ls-blue) 15%, transparent);
}

/* 主按钮 / 金按钮 */
.ls-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff !important;
  border: none;
  border-radius: 9999px;
  background: var(--ls-grad-primary);
  box-shadow: 0 4px 22px rgba(0, 151, 215, 0.35);
  cursor: pointer;
  text-decoration: none;
  transition: filter 0.15s, transform 0.12s;
}
.ls-btn-primary:hover {
  filter: brightness(1.06);
}
.ls-btn-primary:active {
  transform: scale(0.98);
}

.ls-btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.95rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #0f172a !important;
  background: linear-gradient(135deg, #fcd34d, #f59e0b, #d97706);
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.35), 0 4px 14px rgba(245, 158, 11, 0.2);
}
.ls-btn-gold:hover {
  filter: brightness(1.05);
}

.ls-btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  color: var(--ls-text-muted);
  background: var(--ls-surface);
  border: 1px solid var(--ls-border);
  border-radius: 0.65rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.ls-btn-ghost:hover {
  color: var(--ls-text);
  background: color-mix(in srgb, var(--ls-blue) 8%, var(--ls-surface));
}

/* 分区与能力卡 */
.ls-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 1.5rem 0 0.75rem;
}
.ls-section-head h2 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ls-text);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.ls-section-head h2 .ls-section-cue {
  color: color-mix(in srgb, var(--ls-violet) 80%, #fff);
  font-size: 0.6rem;
  line-height: 1;
  user-select: none;
}
.ls-section-head a {
  font-size: 0.8rem;
  color: var(--ls-blue);
  text-decoration: none;
}
.ls-section-head a:hover {
  text-decoration: underline;
}

/* 能力卡：默认用于横向滚动行（首页分类），不换行 */
.ls-card-row {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 0.75rem;
  align-items: stretch;
  overflow-x: auto;
  overflow-y: hidden;
  margin: 0;
  padding: 0.1rem 0.15rem 0.65rem 0.05rem;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x proximity;
  scrollbar-gutter: stable;
}
.ls-card-row::-webkit-scrollbar {
  height: 5px;
}
.ls-card-row::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--ls-violet) 30%, var(--ls-border));
  border-radius: 4px;
}
.ls-card-row::-webkit-scrollbar-track {
  background: transparent;
}
/* 仅一张卡时不必占满全行最宽，仍保持单行 */
.ls-card-row--single {
  overflow-x: visible;
  flex-wrap: nowrap;
  justify-content: flex-start;
}
.ls-card-row--single a.ls-feature-card--single {
  width: min(22rem, 100%);
  min-width: 0;
  max-width: 100%;
  flex: 0 0 auto;
}

/* 首页：与侧栏「AI 创意 → AI 生成 → AI 文案 → AI 反推」四段一致，等分卡片宽 */
#ls-home-main.ls-home-main {
  max-width: 64rem;
  margin-left: auto;
  margin-right: auto;
}
#ls-home-main .ls-section-head.ls-section-head--simple {
  margin: 0.5rem 0 0.45rem;
  justify-content: flex-start;
}
#ls-home-main .ls-home-section:first-of-type .ls-section-head--simple {
  margin-top: 0.1rem;
}
#ls-home-main .ls-home-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  padding: 0;
  overflow: visible;
}
#ls-home-main .ls-home-grid--hero {
  max-width: 22rem;
}
#ls-home-main .ls-home-grid--1 {
  max-width: 22rem;
}
#ls-home-main .ls-home-grid--1 a.ls-feature-card {
  width: 100%;
}
#ls-home-main .ls-home-grid--2 {
  grid-template-columns: minmax(0, 1fr);
}
#ls-home-main .ls-home-grid--4 {
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 640px) {
  #ls-home-main .ls-home-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  #ls-home-main .ls-home-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1024px) {
  #ls-home-main .ls-home-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
#ls-home-main .ls-home-grid a.ls-feature-card {
  width: auto;
  min-width: 0;
  max-width: none;
  flex: none;
  min-height: 0;
  scroll-snap-align: none;
  box-sizing: border-box;
}
#ls-home-main .ls-home-grid--hero a.ls-feature-card--single {
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

/* 与首页同结构的旧 .ls-card-row 回退 */
#ls-home-main .ls-card-row {
  flex-wrap: wrap;
  overflow-x: visible;
  overflow-y: visible;
  scroll-snap-type: none;
  padding-bottom: 0;
}
#ls-home-main .ls-card-row:not(.ls-home-grid) a.ls-feature-card {
  width: calc(25% - 0.6rem);
  min-width: 13.5rem;
  max-width: 100%;
  flex: 1 1 13.5rem;
}
#ls-home-main .ls-card-row--single a.ls-feature-card--single {
  width: min(24rem, 100%);
  min-width: 13.5rem;
}
@media (min-width: 1024px) {
  .ls-card-row--single a.ls-feature-card--single {
    width: min(24rem, 100%);
  }
}

a.ls-feature-card {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border-radius: var(--ls-radius-lg);
  border: 1px solid var(--ls-border);
  background: color-mix(in srgb, var(--ls-surface-solid) 88%, transparent);
  text-decoration: none;
  color: var(--ls-text);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  text-align: left;
  /* 横向行内定宽、不缩、不换行 */
  flex: 0 0 auto;
  width: 15.75rem;
  min-width: 15.75rem;
  max-width: 88vw;
  scroll-snap-align: start;
  box-sizing: border-box;
}
a.ls-feature-card:hover {
  border-color: var(--ls-border-strong);
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.25);
  transform: translateY(-1px);
}
.ls-feature-card h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin: 0 0 0.2rem 0;
}
.ls-feature-card p {
  font-size: 0.75rem;
  color: var(--ls-text-sub);
  margin: 0;
  line-height: 1.4;
}
.ls-feature-card__icon {
  flex-shrink: 0;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  line-height: 1;
  border: 1px solid var(--ls-border);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
}

/* 自参考图裁切的 PNG 图标 */
.ls-feature-card__icon--img {
  width: 4.25rem;
  height: 4.25rem;
  min-width: 4.25rem;
  min-height: 4.25rem;
  padding: 0.2rem;
  background: color-mix(in srgb, var(--ls-surface-solid) 40%, transparent) !important;
  border: 1px solid var(--ls-border) !important;
  box-shadow: 0 0 18px color-mix(in srgb, var(--ls-blue) 8%, transparent);
}
.ls-feature-card__icon--img img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--ls-blue) 25%, transparent));
}
/* Lucide / Iconify：方框内光学居中（避免默认 baseline 与 viewBox 顶留白导致「偏上」） */
#ls-home-main .ls-feature-card__icon--img {
  line-height: 0;
}
#ls-home-main .ls-feature-card__icon--img iconify-icon.ls-icon--card {
  display: block;
  vertical-align: 0;
  position: relative;
  top: 1px;
}
.ls-accent-blue {
  color: #93c5fd;
  background: linear-gradient(135deg, rgba(77, 111, 255, 0.2), rgba(99, 102, 241, 0.12));
}
.ls-accent-violet {
  color: #c4b5fd;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.22), rgba(236, 72, 153, 0.1));
}
.ls-accent-amber {
  color: #fcd34d;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.22), rgba(249, 115, 22, 0.12));
}
.ls-accent-emerald {
  color: #6ee7b7;
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.2), rgba(6, 182, 212, 0.12));
}
.ls-accent-rose {
  color: #fda4af;
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.2), rgba(168, 85, 247, 0.12));
}
.ls-accent-cyan {
  color: #67e8f9;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.22), rgba(59, 130, 246, 0.1));
}

/* 会员/积分小卡（侧栏底） */
.ls-member-tile {
  margin-top: 1rem;
  padding: 0.75rem 0.85rem;
  border-radius: var(--ls-radius);
  border: 1px solid color-mix(in srgb, var(--ls-gold) 35%, var(--ls-border));
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(15, 23, 42, 0.4));
  font-size: 0.8rem;
}
html:not(.dark) .ls-member-tile {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.12), #fff);
}
.ls-member-tile__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

/* 管理页 Tab */
.ls-tab-main,
.ls-app .tab-main,
.ls-app .api-sub-tab {
  border-radius: 0.5rem;
  border: 1px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.ls-app .tab-main.text-slate-600,
.ls-app .tab-main:not([class*="bg-"]) {
  color: var(--ls-text-muted) !important;
  background: transparent;
}
html.dark .ls-app .tab-main {
  --tw-text-opacity: 1;
  color: var(--ls-text-muted) !important;
}
.ls-app .tab-main.ls-tab--active,
.ls-app button.tab-main.bg-slate-900,
.ls-app button.tab-main.ls-tab--active {
  background: color-mix(in srgb, var(--ls-blue) 22%, var(--ls-surface)) !important;
  color: var(--ls-text) !important;
  border: 1px solid var(--ls-border-strong) !important;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ls-blue) 25%, transparent);
}
.ls-app .api-sub-tab.ls-tab--active,
.ls-app .api-sub-tab.ls-api-sub--active {
  background: color-mix(in srgb, var(--ls-violet) 2%, var(--ls-surface)) !important;
  color: var(--ls-text) !important;
  border: 1px solid var(--ls-border-strong) !important;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ls-violet) 25%, transparent);
}

/* 管理「链接提取」抖音/小红书子标签 — 与 api-sub-tab 一致 */
.ls-app .le-sub-tab.ls-le-sub--active {
  background: color-mix(in srgb, var(--ls-violet) 2%, var(--ls-surface)) !important;
  color: var(--ls-text) !important;
  border: 1px solid var(--ls-border-strong) !important;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ls-violet) 25%, transparent);
}

/* 管理页主区卡片 — 与 ls-panel 统一 */
html.dark .ls-app main .bg-white,
html.dark .ls-app main .bg-slate-900 {
  background: var(--ls-surface) !important;
  border-color: var(--ls-border) !important;
  color: var(--ls-text) !important;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
html:not(.dark) .ls-app--admin {
  --ls-surface: rgba(255, 255, 255, 0.95);
}
html:not(.dark) .ls-app--admin main .bg-white,
html:not(.dark) .ls-app--admin main .bg-slate-900 {
  background: #ffffff !important;
  border: 1px solid var(--ls-border) !important;
  box-shadow: var(--ls-shadow-glow);
}

/* 认证页玻璃卡 */
.ls-auth-card {
  position: relative;
  width: 100%;
  max-width: 28rem;
  padding: 2rem;
  border-radius: var(--ls-radius-xl);
  border: 1px solid var(--ls-border);
  background: var(--ls-surface);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: var(--ls-shadow-glow);
}

.ls-input-field {
  width: 100%;
  box-sizing: border-box;
  border-radius: 0.5rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--ls-border);
  background: color-mix(in srgb, var(--ls-bg-elevated) 50%, var(--ls-surface));
  color: var(--ls-text);
  font-size: 0.875rem;
}
.ls-input-field::placeholder {
  color: var(--ls-text-sub);
}
.ls-input-field:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--ls-violet) 45%, var(--ls-border));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--ls-violet) 18%, transparent);
}

/* 底栏安全区（小屏可放快捷入口） */
.ls-bottom-safe {
  padding-bottom: max(0.5rem, env(safe-area-inset-bottom, 0px));
}

/* 与现有 #result-card 等共存 */
.ls-app #result-card {
  border-color: var(--ls-border) !important;
}