/* ==========================================================================
   福小端智能体技能广场 —— 设计系统
   所有颜色/尺寸令牌集中在 :root，页面样式不得私自写死色值
   ========================================================================== */

:root {
  /* 主色与语义色 */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-weak: #eff4ff;
  --primary-ring: rgba(37, 99, 235, .18);
  --success: #059669;
  --success-weak: #ecfdf5;
  --warning: #d97706;
  --warning-weak: #fffbeb;
  --danger: #dc2626;
  --danger-weak: #fef2f2;
  --info: #0891b2;
  --info-weak: #ecfeff;

  /* 中性色 */
  --bg: #f6f7f9;
  --bg-subtle: #eef0f4;
  --surface: #ffffff;
  --surface-2: #fafbfc;
  --border: #e4e7ec;
  --border-strong: #d0d5dd;
  --text: #101828;
  --text-2: #475467;
  --text-3: #98a2b3;

  /* 圆角与阴影 */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-full: 999px;
  --shadow-xs: 0 1px 2px rgba(16, 24, 40, .05);
  --shadow-sm: 0 1px 3px rgba(16, 24, 40, .1), 0 1px 2px rgba(16, 24, 40, .06);
  --shadow-md: 0 4px 8px -2px rgba(16, 24, 40, .1), 0 2px 4px -2px rgba(16, 24, 40, .06);
  --shadow-lg: 0 12px 16px -4px rgba(16, 24, 40, .08), 0 4px 6px -2px rgba(16, 24, 40, .03);

  /* 间距与排版 */
  --gap: 16px;
  --header-h: 60px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-weak: #17233c;
    --primary-ring: rgba(59, 130, 246, .25);
    --success: #10b981;
    --success-weak: #06281f;
    --warning: #f59e0b;
    --warning-weak: #2b1d05;
    --danger: #f87171;
    --danger-weak: #2b1113;
    --info: #22d3ee;
    --info-weak: #062a31;

    --bg: #0e1116;
    --bg-subtle: #151a21;
    --surface: #161b22;
    --surface-2: #1b212a;
    --border: #262d38;
    --border-strong: #333c49;
    --text: #e6edf3;
    --text-2: #9aa7b8;
    --text-3: #6b7684;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, .3);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, .45);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, .5);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; font-size: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.35; }
p { margin: 0; }
ul, ol { margin: 0; padding-left: 20px; }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ------------------------------- 布局 ------------------------------- */
.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

.page { padding: 28px 0 64px; }

.stack { display: flex; flex-direction: column; gap: var(--gap); }
.row { display: flex; align-items: center; gap: 10px; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.spacer { flex: 1; }
.wrap { flex-wrap: wrap; }

/* ------------------------------- 顶部导航 ------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 650;
  font-size: 15px;
  letter-spacing: .2px;
  white-space: nowrap;
  flex: none;            /* 品牌名不参与压缩，避免与导航挤在一起 */
}

.logo-text { overflow: hidden; text-overflow: ellipsis; }

/* 窄屏放不下品牌全称时只留标记，导航与用户菜单仍完整可用 */
@media (max-width: 1080px) {
  .logo-text { display: none; }
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  flex: none;
}

.nav { display: flex; align-items: center; gap: 2px; }

.nav a {
  padding: 6px 12px;
  border-radius: var(--r-sm);
  color: var(--text-2);
  font-size: 14px;
  transition: background .15s, color .15s;
}

.nav a:hover { background: var(--bg-subtle); color: var(--text); }
.nav a.active { background: var(--primary-weak); color: var(--primary); font-weight: 550; }

/* ------------------------------- 按钮 ------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, border-color .15s, box-shadow .15s, color .15s;
}

.btn:hover { background: var(--surface-2); border-color: var(--text-3); }
.btn:active { transform: translateY(.5px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }

.btn-danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); }
.btn-danger:hover { background: var(--danger-weak); border-color: var(--danger); }

.btn-ghost { border-color: transparent; background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--bg-subtle); color: var(--text); }

.btn-sm { height: 28px; padding: 0 10px; font-size: 13px; }
.btn-lg { height: 40px; padding: 0 20px; font-size: 15px; }
.btn-block { width: 100%; }

/* ------------------------------- 表单 ------------------------------- */
.field { display: flex; flex-direction: column; gap: 6px; }

.label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.label .req { color: var(--danger); margin-left: 2px; }

.input, .select, .textarea {
  width: 100%;
  height: 36px;
  padding: 0 11px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}

.textarea { height: auto; min-height: 88px; padding: 9px 11px; resize: vertical; line-height: 1.65; }

.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-ring);
}

.input::placeholder, .textarea::placeholder { color: var(--text-3); }

.select {
  appearance: none;
  padding-right: 30px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2398a2b3' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.hint { font-size: 12px; color: var(--text-3); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }

.checkbox { display: inline-flex; align-items: center; gap: 7px; cursor: pointer; font-size: 14px; }
.checkbox input { width: 15px; height: 15px; accent-color: var(--primary); cursor: pointer; }

/* 搜索框 */
.search {
  position: relative;
  flex: 1;
  max-width: 380px;
}

.search .input { padding-left: 34px; height: 36px; }

.search svg {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
}

/* ------------------------------- 卡片 ------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-xs);
}

.card-pad { padding: 18px; }

.card-head {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title { font-size: 15px; font-weight: 600; }
.card-body { padding: 18px; }

/* ------------------------------- 标签 / 徽标 ------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--r-full);
  font-size: 12px;
  font-weight: 500;
  background: var(--bg-subtle);
  color: var(--text-2);
  white-space: nowrap;
}

.badge-success { background: var(--success-weak); color: var(--success); }
.badge-warning { background: var(--warning-weak); color: var(--warning); }
.badge-danger { background: var(--danger-weak); color: var(--danger); }
.badge-info { background: var(--info-weak); color: var(--info); }
.badge-primary { background: var(--primary-weak); color: var(--primary); }

.dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; }

.tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: var(--r-sm);
  background: var(--bg-subtle);
  color: var(--text-2);
  font-size: 12px;
}

.tag-btn { cursor: pointer; border: 1px solid transparent; }
.tag-btn:hover { border-color: var(--border-strong); color: var(--text); }
.tag-btn.active { background: var(--primary-weak); color: var(--primary); border-color: color-mix(in srgb, var(--primary) 25%, transparent); }

/* ------------------------------- 技能卡片 ------------------------------- */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(288px, 1fr));
  gap: 16px;
}

.skill-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition: box-shadow .18s, transform .18s, border-color .18s;
}

.skill-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--primary) 30%, var(--border));
}

.skill-card-top { display: flex; gap: 12px; align-items: flex-start; }

.skill-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  flex: none;
}

.skill-name { font-size: 15px; font-weight: 600; margin-bottom: 3px; }
.skill-meta { font-size: 12px; color: var(--text-3); }

.skill-summary {
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.62;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 42px;
}

.skill-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-3);
}

.skill-stats { display: flex; gap: 14px; }
.skill-stats span { display: inline-flex; align-items: center; gap: 4px; }

/* ------------------------------- 表格 ------------------------------- */
.table-wrap { overflow-x: auto; }

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

table.data th {
  text-align: left;
  font-weight: 550;
  color: var(--text-2);
  background: var(--surface-2);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  font-size: 13px;
}

table.data td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

table.data tbody tr:last-child td { border-bottom: none; }
table.data tbody tr:hover { background: var(--surface-2); }
table.data tbody tr.selected { background: var(--primary-weak); }
table.data td.actions { text-align: right; white-space: nowrap; }

.cell-sub { font-size: 12px; color: var(--text-3); }
.strong { font-weight: 550; }

/* ------------------------------- 空状态 / 加载 ------------------------------- */
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 56px 20px;
  color: var(--text-3);
  text-align: center;
}

.empty svg { opacity: .5; }
.empty-title { font-size: 14px; color: var(--text-2); font-weight: 500; }

.skeleton {
  background: linear-gradient(90deg, var(--bg-subtle) 25%, var(--surface-2) 50%, var(--bg-subtle) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border-radius: var(--r-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

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

/* ------------------------------- 弹窗 ------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(16, 24, 40, .45);
  backdrop-filter: blur(2px);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 100;
  animation: fade .15s ease;
}

@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.modal {
  width: 100%;
  max-width: 520px;
  max-height: 88vh;
  overflow: auto;
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  animation: pop .18s cubic-bezier(.16, 1, .3, 1);
}

@keyframes pop { from { transform: translateY(8px) scale(.98); opacity: 0; } }

.modal-lg { max-width: 760px; }

.modal-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.modal-title { font-size: 15px; font-weight: 600; }
.modal-body { padding: 20px; display: flex; flex-direction: column; gap: 14px; }

.modal-foot {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.icon-btn {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: none;
  background: transparent;
  border-radius: var(--r-sm);
  color: var(--text-3);
  cursor: pointer;
}

.icon-btn:hover { background: var(--bg-subtle); color: var(--text); }

/* ------------------------------- 提示条 ------------------------------- */
#toast-host {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--r-full);
  background: var(--text);
  color: var(--surface);
  font-size: 13.5px;
  box-shadow: var(--shadow-lg);
  animation: toastIn .2s ease;
}

.toast.success { background: var(--success); color: #fff; }
.toast.error { background: var(--danger); color: #fff; }

@keyframes toastIn { from { transform: translateY(-8px); opacity: 0; } }

/* ------------------------------- 统计块 ------------------------------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
}

.stat {
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-xs);
}

.stat-label { font-size: 13px; color: var(--text-2); display: flex; align-items: center; gap: 8px; }
.stat-value { font-size: 26px; font-weight: 650; letter-spacing: -.5px; margin-top: 6px; }
.stat-sub { font-size: 12px; color: var(--text-3); margin-top: 2px; }

.stat-icon {
  width: 30px;
  height: 30px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  flex: none;
}

/* ------------------------------- 分页 ------------------------------- */
.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 18px 0 0;
}

.pager button {
  min-width: 32px;
  height: 32px;
  padding: 0 9px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 13px;
}

.pager button:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.pager button.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.pager button:disabled { opacity: .45; cursor: not-allowed; }
.pager .info { color: var(--text-3); font-size: 13px; margin-left: 8px; }

/* ------------------------------- 用户菜单 ------------------------------- */
.user-menu { position: relative; }

.user-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 10px 0 6px;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  background: var(--surface);
  cursor: pointer;
  color: var(--text);
}

.user-trigger:hover { border-color: var(--border-strong); }

.avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  flex: none;
}

.dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 200px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  padding: 6px;
  z-index: 60;
  animation: pop .15s ease;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 8px 10px;
  border: none;
  background: transparent;
  border-radius: var(--r-sm);
  color: var(--text);
  font-size: 13.5px;
  text-align: left;
  cursor: pointer;
}

.dropdown-item:hover { background: var(--bg-subtle); }
.dropdown-item.danger { color: var(--danger); }
.dropdown-sep { height: 1px; background: var(--border); margin: 5px 2px; }
.dropdown-meta { padding: 8px 10px; font-size: 12px; color: var(--text-3); }

/* ------------------------------- 登录页 ------------------------------- */
.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(1000px 500px at 50% -10%, var(--primary-weak), transparent 70%),
    var(--bg);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-md);
  padding: 32px;
}

.auth-brand { display: flex; flex-direction: column; align-items: center; gap: 12px; margin-bottom: 26px; }
.auth-title { font-size: 19px; font-weight: 650; }
.auth-sub { font-size: 13px; color: var(--text-3); text-align: center; }
.auth-foot { margin-top: 18px; text-align: center; font-size: 12.5px; color: var(--text-3); }
.auth-alt { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 12.5px; color: var(--text-3); line-height: 1.7; }

/* ------------------------------- 广场首页 ------------------------------- */
.hero {
  padding: 34px 0 26px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hero h1 { font-size: 25px; letter-spacing: -.4px; }
.hero p { color: var(--text-2); font-size: 14px; }

.hero-stats { display: flex; gap: 22px; margin-top: 14px; flex-wrap: wrap; }
.hero-stat-value { font-size: 20px; font-weight: 650; }
.hero-stat-label { font-size: 12px; color: var(--text-3); }

.toolbar { display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }

.chip {
  padding: 5px 13px;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  background: var(--surface);
  color: var(--text-2);
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
}

.chip:hover { border-color: var(--border-strong); color: var(--text); }
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ------------------------------- 详情页 ------------------------------- */
.detail-head { display: flex; gap: 18px; align-items: flex-start; }
.detail-icon { width: 56px; height: 56px; border-radius: var(--r-lg); display: grid; place-items: center; color: #fff; font-size: 22px; font-weight: 600; flex: none; }
.detail-title { font-size: 21px; font-weight: 650; letter-spacing: -.3px; }
.detail-sub { color: var(--text-2); font-size: 13.5px; margin-top: 6px; }

.layout-2col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 20px;
  align-items: start;
}

.side-block { padding: 16px 18px; border-bottom: 1px solid var(--border); }
.side-block:last-child { border-bottom: none; }
.side-label { font-size: 12px; color: var(--text-3); margin-bottom: 6px; }
.kv { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; font-size: 13.5px; }
.kv span:first-child { color: var(--text-2); }

/* Markdown 渲染 */
.markdown { font-size: 14px; line-height: 1.75; color: var(--text); }
.markdown h1 { font-size: 20px; margin: 22px 0 12px; }
.markdown h2 { font-size: 17px; margin: 20px 0 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.markdown h3 { font-size: 15px; margin: 16px 0 8px; }
.markdown p { margin: 10px 0; color: var(--text-2); }
.markdown ul, .markdown ol { margin: 10px 0; color: var(--text-2); padding-left: 22px; }
.markdown li { margin: 4px 0; }
.markdown code { font-family: var(--mono); font-size: 12.5px; background: var(--bg-subtle); padding: 2px 5px; border-radius: 4px; }
.markdown pre { background: var(--bg-subtle); border: 1px solid var(--border); border-radius: var(--r-md); padding: 13px 15px; overflow-x: auto; margin: 12px 0; }
.markdown pre code { background: none; padding: 0; font-size: 12.5px; }
.markdown blockquote { margin: 12px 0; padding: 8px 14px; border-left: 3px solid var(--primary); background: var(--primary-weak); color: var(--text-2); border-radius: 0 var(--r-sm) var(--r-sm) 0; }
.markdown a { color: var(--primary); text-decoration: underline; }
.markdown hr { border: none; border-top: 1px solid var(--border); margin: 18px 0; }
.markdown table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 13px; }
.markdown th, .markdown td { border: 1px solid var(--border); padding: 7px 11px; text-align: left; }
.markdown th { background: var(--surface-2); font-weight: 550; }

.file-list { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.file-list li { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-bottom: 1px dashed var(--border); color: var(--text-2); }
.file-list li:last-child { border-bottom: none; }
.file-list .path { font-family: var(--mono); font-size: 12px; word-break: break-all; }

/* ------------------------------- 管理后台 ------------------------------- */
.admin-layout { display: grid; grid-template-columns: 196px minmax(0, 1fr); gap: 22px; align-items: start; }

.sidebar {
  position: sticky;
  top: calc(var(--header-h) + 22px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 8px;
  box-shadow: var(--shadow-xs);
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 11px;
  border: none;
  background: transparent;
  border-radius: var(--r-sm);
  color: var(--text-2);
  font-size: 13.5px;
  cursor: pointer;
  text-align: left;
}

.sidebar-item:hover { background: var(--bg-subtle); color: var(--text); }
.sidebar-item.active { background: var(--primary-weak); color: var(--primary); font-weight: 550; }
.sidebar-count { margin-left: auto; font-size: 12px; background: var(--bg-subtle); padding: 0 7px; border-radius: var(--r-full); }
.sidebar-item.active .sidebar-count { background: color-mix(in srgb, var(--primary) 15%, transparent); }

.bulk-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--primary-weak);
  border: 1px solid color-mix(in srgb, var(--primary) 22%, transparent);
  border-radius: var(--r-md);
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--primary);
}

.panel { display: none; }
.panel.active { display: block; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tab {
  padding: 9px 14px;
  border: none;
  background: transparent;
  color: var(--text-2);
  font-size: 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 550; }

/* 上传拖拽区 */
.dropzone {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--r-lg);
  padding: 30px 20px;
  text-align: center;
  color: var(--text-2);
  cursor: pointer;
  transition: border-color .15s, background .15s;
  background: var(--surface-2);
}

.dropzone:hover, .dropzone.over { border-color: var(--primary); background: var(--primary-weak); }
.dropzone-title { font-weight: 550; color: var(--text); margin-bottom: 4px; }
.dropzone-hint { font-size: 12.5px; color: var(--text-3); }

.file-picked {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface-2);
  font-size: 13.5px;
}

.progress { height: 5px; border-radius: var(--r-full); background: var(--bg-subtle); overflow: hidden; }
.progress-bar { height: 100%; background: var(--primary); transition: width .3s; }

/* 提示框 */
.callout {
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--r-md);
  background: var(--primary-weak);
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.65;
  border: 1px solid color-mix(in srgb, var(--primary) 18%, transparent);
}

.callout-warning { background: var(--warning-weak); border-color: color-mix(in srgb, var(--warning) 25%, transparent); }
.callout-danger { background: var(--danger-weak); border-color: color-mix(in srgb, var(--danger) 25%, transparent); }
.callout svg { flex: none; margin-top: 2px; }

/* ------------------------------- 响应式 ------------------------------- */
@media (max-width: 960px) {
  .layout-2col { grid-template-columns: 1fr; }
  .admin-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; display: flex; gap: 4px; overflow-x: auto; }
  .sidebar-item { white-space: nowrap; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 21px; }
  .search { max-width: none; }
  .nav a { padding: 6px 9px; }
}

.hidden { display: none !important; }
.muted { color: var(--text-3); }
.text-sm { font-size: 13px; }
.nowrap { white-space: nowrap; }

/* ------------------------------- 站点页脚（ICP 备案） ------------------------------- */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding: 22px 0 26px;
  text-align: center;
}
.site-footer .beian-link {
  color: var(--text-3);
  font-size: 12.5px;
  text-decoration: none;
}
.site-footer .beian-link:hover { color: var(--text-2); text-decoration: underline; }