/* ============================================================
   SkillsBin 设计系统
   ------------------------------------------------------------
   与 GetHub 的差异化：主色从「黑白灰」换成深青绿（#0F6E56），
   表达「取用 / 工具箱」的气质；featured 徽章用琥珀色做唯一强调色。
   支持明/暗双主题（跟随系统 + 手动切换，localStorage 记忆）。
   ============================================================ */

:root {
  /* ---- 色板：中性 ---- */
  --c-bg: #f7f8f7;
  --c-surface: #ffffff;
  --c-surface-2: #f1f3f2;
  --c-border: #e3e6e4;
  --c-border-strong: #cfd4d1;
  --c-text: #14181a;
  --c-text-2: #5a6462;
  --c-text-3: #8b9593;

  /* ---- 色板：主色（青绿） ---- */
  --c-accent: #0f6e56;
  --c-accent-hover: #0b5a46;
  --c-accent-soft: #e1f5ee;
  --c-accent-border: #9fe1cb;

  /* ---- 语义色 ---- */
  --c-amber: #b06f0a;
  --c-amber-soft: #faeeda;
  --c-blue: #185fa5;
  --c-blue-soft: #e6f1fb;
  --c-red: #a32d2d;
  --c-red-soft: #fcebeb;
  --c-purple: #534ab7;
  --c-purple-soft: #eeedfe;

  /* ---- 刻度 ---- */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-full: 999px;
  --shadow-sm: 0 1px 2px rgba(20, 24, 26, 0.06);
  --shadow-md: 0 4px 14px rgba(20, 24, 26, 0.08);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --w-container: 1200px;
  --h-header: 60px;
}

[data-theme="dark"] {
  --c-bg: #0e1214;
  --c-surface: #161b1d;
  --c-surface-2: #1d2426;
  --c-border: #262e30;
  --c-border-strong: #384244;
  --c-text: #e8edec;
  --c-text-2: #9faaa8;
  --c-text-3: #6f7a78;

  --c-accent: #5dcaa5;
  --c-accent-hover: #7fd9bb;
  --c-accent-soft: #10312a;
  --c-accent-border: #1d5e4c;

  --c-amber: #ef9f27;
  --c-amber-soft: #3a2b0e;
  --c-blue: #85b7eb;
  --c-blue-soft: #10243a;
  --c-red: #f09595;
  --c-red-soft: #3a1717;
  --c-purple: #afa9ec;
  --c-purple-soft: #201d3f;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
}

/* ------------------------------ 基础 ------------------------------ */
* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--c-accent); }

h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.3; letter-spacing: -0.01em; }
h1 { font-size: 30px; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }
p { margin: 0 0 12px; }

code, pre, .mono { font-family: var(--font-mono); font-size: 12.5px; }

.container { max-width: var(--w-container); margin: 0 auto; padding: 0 24px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ------------------------------ 图标 ------------------------------ */
.icon {
  width: 1em; height: 1em; display: inline-block; vertical-align: -0.125em;
  fill: none; stroke: currentColor; stroke-width: 1.9;
  stroke-linecap: round; stroke-linejoin: round; flex: none;
}
.icon.fill { fill: currentColor; stroke: none; }

/* ------------------------------ 页头 ------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--h-header);
  background: color-mix(in srgb, var(--c-surface) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-border);
}
.site-header .container { height: 100%; display: flex; align-items: center; gap: 18px; }

.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 16px; letter-spacing: -0.02em; }
.brand:hover { color: var(--c-text); }
.brand-mark { width: 26px; height: 26px; border-radius: 7px; background: var(--c-accent); color: #fff; display: grid; place-items: center; font-size: 14px; }
.brand small { font-weight: 400; font-size: 12px; color: var(--c-text-3); letter-spacing: 0; }

.nav { display: flex; gap: 4px; margin-left: 6px; }
.nav a { padding: 6px 11px; border-radius: var(--r-full); font-size: 13.5px; color: var(--c-text-2); }
.nav a:hover { background: var(--c-surface-2); color: var(--c-text); }
.nav a[aria-current="page"] { background: var(--c-accent-soft); color: var(--c-accent); font-weight: 500; }

.header-spacer { flex: 1; }

.icon-btn {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--c-border); background: var(--c-surface);
  border-radius: var(--r-full); color: var(--c-text-2); cursor: pointer; font-size: 16px;
}
.icon-btn:hover { color: var(--c-text); border-color: var(--c-border-strong); }

/* ------------------------------ 搜索框 ------------------------------ */
.searchbox { position: relative; display: flex; align-items: center; }
.searchbox .icon { position: absolute; left: 11px; color: var(--c-text-3); font-size: 15px; pointer-events: none; }
.searchbox input {
  width: 100%; height: 34px; padding: 0 12px 0 33px;
  border: 1px solid var(--c-border); border-radius: var(--r-full);
  background: var(--c-surface-2); color: var(--c-text); font-size: 13.5px; font-family: inherit;
  outline: none;
}
.searchbox input:focus { border-color: var(--c-accent); background: var(--c-surface); }
.searchbox input::placeholder { color: var(--c-text-3); }
.searchbox kbd {
  position: absolute; right: 9px; font-size: 11px; color: var(--c-text-3);
  border: 1px solid var(--c-border); border-radius: 4px; padding: 1px 5px; font-family: var(--font-mono);
}
.site-header .searchbox { width: 260px; }

/* ------------------------------ Hero ------------------------------ */
.hero { padding: 52px 0 34px; text-align: center; }
.hero h1 { font-size: 38px; letter-spacing: -0.03em; }
.hero h1 em { font-style: normal; color: var(--c-accent); }
.hero p.lead { max-width: 620px; margin: 14px auto 0; color: var(--c-text-2); font-size: 15.5px; }
.hero .searchbox { max-width: 520px; margin: 26px auto 0; }
.hero .searchbox input { height: 48px; font-size: 15px; padding-left: 40px; border-radius: var(--r-md); }
.hero .searchbox .icon { left: 14px; font-size: 17px; }

.stats-bar { display: flex; justify-content: center; gap: 34px; margin-top: 28px; flex-wrap: wrap; }
.stats-bar div { display: flex; flex-direction: column; align-items: center; }
.stats-bar b { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; }
.stats-bar span { font-size: 12px; color: var(--c-text-3); }

/* ------------------------------ 区块 ------------------------------ */
.section { padding: 26px 0; }
.section-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.section-head h2 { font-size: 18px; }
.section-head .more { margin-left: auto; font-size: 13px; color: var(--c-text-2); display: inline-flex; align-items: center; gap: 4px; }
.section-head .more:hover { color: var(--c-accent); }

/* ------------------------------ 卡片 ------------------------------ */
.grid { display: grid; gap: 14px; }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  display: flex; flex-direction: column; gap: 10px;
  padding: 16px; background: var(--c-surface);
  border: 1px solid var(--c-border); border-radius: var(--r-lg);
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.card:hover { border-color: var(--c-accent-border); box-shadow: var(--shadow-sm); }
.card-title { font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 7px; }
.card-title .icon { color: var(--c-accent); }
.card-desc { font-size: 13.5px; color: var(--c-text-2); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--c-text-3); margin-top: auto; flex-wrap: wrap; }
.card-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: .5; }

/* 分类 / 宿主宫格 */
.tile {
  display: flex; flex-direction: column; gap: 6px; padding: 15px;
  background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-lg);
}
.tile:hover { border-color: var(--c-accent-border); color: var(--c-text); }
.tile .t-ico { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; background: var(--c-accent-soft); color: var(--c-accent); font-size: 16px; }
.tile b { font-size: 14px; font-weight: 600; }
.tile span { font-size: 12px; color: var(--c-text-3); }

.chip-row { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px; border-radius: var(--r-full);
  border: 1px solid var(--c-border); background: var(--c-surface);
  font-size: 12.5px; color: var(--c-text-2);
}
.chip:hover { border-color: var(--c-accent-border); color: var(--c-accent); }
.chip .icon { font-size: 14px; }
.chip.solid { background: var(--c-accent-soft); border-color: var(--c-accent-border); color: var(--c-accent); }

/* ------------------------------ 徽章 ------------------------------ */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: var(--r-full);
  font-size: 11.5px; font-weight: 500; line-height: 1.7;
  background: var(--c-surface-2); color: var(--c-text-2); border: 1px solid transparent;
}
.badge.featured { background: var(--c-amber-soft); color: var(--c-amber); }
.badge.host { background: var(--c-blue-soft); color: var(--c-blue); }
.badge.cat { background: var(--c-accent-soft); color: var(--c-accent); }
.badge.warn { background: var(--c-amber-soft); color: var(--c-amber); }
.badge.risk { background: var(--c-red-soft); color: var(--c-red); }
.badge.ok { background: var(--c-accent-soft); color: var(--c-accent); }

/* ------------------------------ 按钮 ------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: 38px; padding: 0 16px; border-radius: var(--r-md);
  border: 1px solid var(--c-border); background: var(--c-surface); color: var(--c-text);
  font-size: 13.5px; font-weight: 500; font-family: inherit; cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { border-color: var(--c-border-strong); }
.btn.primary { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }
.btn.primary:hover { background: var(--c-accent-hover); border-color: var(--c-accent-hover); color: #fff; }
.btn.ghost { background: transparent; }
.btn.sm { height: 32px; padding: 0 12px; font-size: 12.5px; }
.btn.copied { background: var(--c-accent-soft); border-color: var(--c-accent-border); color: var(--c-accent); }

/* ------------------------------ 代码块 ------------------------------ */
.cmd {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; background: var(--c-surface-2);
  border: 1px solid var(--c-border); border-radius: var(--r-md);
}
.cmd code { flex: 1; overflow-x: auto; white-space: pre; color: var(--c-text); }
.cmd .btn { flex: none; }

/* ------------------------------ 清单 ------------------------------ */
.breadcrumb { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--c-text-3); padding: 18px 0 6px; flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--c-accent); }
.breadcrumb .sep { opacity: .5; }

.page-head { padding: 6px 0 20px; border-bottom: 1px solid var(--c-border); margin-bottom: 22px; }
.page-head h1 { font-size: 26px; }
.page-head .sub { color: var(--c-text-2); margin-top: 8px; max-width: 760px; }

.layout { display: grid; grid-template-columns: 224px 1fr; gap: 30px; align-items: start; }
.sidebar { position: sticky; top: calc(var(--h-header) + 18px); }
.filter-group { margin-bottom: 20px; }
.filter-group > h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--c-text-3); margin-bottom: 9px; font-weight: 600; }
.filter-group label { display: flex; align-items: center; gap: 8px; padding: 4px 0; font-size: 13.5px; color: var(--c-text-2); cursor: pointer; }
.filter-group label:hover { color: var(--c-text); }
.filter-group input[type="checkbox"], .filter-group input[type="radio"] { accent-color: var(--c-accent); }

.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar .count { font-size: 13px; color: var(--c-text-3); }
.toolbar select {
  height: 32px; border: 1px solid var(--c-border); border-radius: var(--r-md);
  background: var(--c-surface); color: var(--c-text); font-size: 13px; font-family: inherit; padding: 0 8px;
}

.pager { display: flex; justify-content: center; gap: 6px; padding: 30px 0 10px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 34px; height: 34px; display: grid; place-items: center; padding: 0 10px;
  border: 1px solid var(--c-border); border-radius: var(--r-md); font-size: 13px; background: var(--c-surface);
}
.pager .cur { background: var(--c-accent); border-color: var(--c-accent); color: #fff; font-weight: 500; }
.pager .disabled { opacity: .4; }

/* ------------------------------ 详情页 ------------------------------ */
.detail-hero { padding: 4px 0 22px; border-bottom: 1px solid var(--c-border); }
.detail-hero h1 { font-size: 30px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.detail-hero .lead { font-size: 15.5px; color: var(--c-text-2); margin-top: 12px; max-width: 780px; }
.detail-hero .lead .en { color: var(--c-text-3); font-size: 14px; display: block; margin-top: 6px; }
.tagline { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }

.panel { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-lg); padding: 18px; margin-top: 18px; }
.panel > h3 { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.panel > h3 .icon { color: var(--c-accent); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--c-border); margin-bottom: 14px; }
.tab {
  padding: 9px 14px; font-size: 13.5px; color: var(--c-text-2); cursor: pointer;
  border: none; background: none; font-family: inherit; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab:hover { color: var(--c-text); }
.tab[aria-selected="true"] { color: var(--c-accent); border-bottom-color: var(--c-accent); font-weight: 500; }
.tabpanel[hidden] { display: none; }
.tabpanel .hint { font-size: 12.5px; color: var(--c-text-3); margin-top: 9px; }

.kv { display: grid; grid-template-columns: 132px 1fr; gap: 9px 16px; font-size: 13.5px; }
.kv dt { color: var(--c-text-3); }
.kv dd { margin: 0; }
.kv dd .badge { margin-right: 4px; }

.dep-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 9px; }
.dep-list li { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; }
.dep-list .icon { margin-top: 3px; }
.dep-list .no { color: var(--c-text-3); }

.origin-bar {
  display: flex; align-items: center; gap: 9px; flex-wrap: wrap;
  padding: 9px 12px; background: var(--c-amber-soft); color: var(--c-amber);
  border-radius: var(--r-md); font-size: 12.5px; margin-bottom: 14px;
}
.origin-bar .icon { font-size: 14px; }

.prose { font-size: 14.5px; color: var(--c-text); }
.prose h1, .prose h2, .prose h3 { margin: 22px 0 10px; }
.prose h2 { font-size: 17px; }
.prose h3 { font-size: 15px; }
.prose p { margin: 0 0 12px; }
.prose ul, .prose ol { padding-left: 22px; margin: 0 0 12px; }
.prose li { margin: 4px 0; }
.prose code { background: var(--c-surface-2); padding: 1.5px 5px; border-radius: 4px; }
.prose pre { background: var(--c-surface-2); border: 1px solid var(--c-border); border-radius: var(--r-md); padding: 12px 14px; overflow-x: auto; margin: 0 0 14px; }
.prose pre code { background: none; padding: 0; }
.prose blockquote { margin: 0 0 14px; padding: 2px 0 2px 14px; border-left: 3px solid var(--c-border-strong); color: var(--c-text-2); }
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 14px; font-size: 13.5px; }
.prose th, .prose td { border: 1px solid var(--c-border); padding: 7px 10px; text-align: left; }
.prose th { background: var(--c-surface-2); font-weight: 500; }
.prose a { color: var(--c-accent); text-decoration: underline; text-underline-offset: 2px; }
.prose img { max-width: 100%; border-radius: var(--r-md); }

.repo-hero { display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.repo-avatar {
  width: 52px; height: 52px; border-radius: var(--r-md); flex: none;
  background: var(--c-accent-soft); color: var(--c-accent);
  display: grid; place-items: center; font-size: 22px; overflow: hidden;
}
.repo-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }

.notice {
  padding: 12px 14px; border-radius: var(--r-md); font-size: 13.5px;
  background: var(--c-surface-2); border: 1px solid var(--c-border); color: var(--c-text-2);
}
.notice.warn { background: var(--c-amber-soft); border-color: transparent; color: var(--c-amber); }

/* ------------------------------ toast ------------------------------ */
#toast-wrap { position: fixed; left: 50%; transform: translateX(-50%); bottom: 30px; z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  background: var(--c-text); color: var(--c-bg);
  padding: 9px 16px; border-radius: var(--r-full); font-size: 13px;
  box-shadow: var(--shadow-md); animation: toast-in .18s ease-out;
}
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ------------------------------ 页脚 ------------------------------ */
.site-footer { margin-top: 60px; border-top: 1px solid var(--c-border); padding: 30px 0 44px; color: var(--c-text-3); font-size: 13px; }
.site-footer .row { display: flex; gap: 26px; flex-wrap: wrap; justify-content: space-between; }
.site-footer a:hover { color: var(--c-accent); }
.site-footer .legal { margin-top: 16px; max-width: 760px; line-height: 1.7; }
.site-footer nav { display: flex; gap: 16px; flex-wrap: wrap; }

/* ------------------------------ 响应式 ------------------------------ */
@media (max-width: 1024px) {
  .grid.cols-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

@media (max-width: 760px) {
  /* ---- 页头：三行重排（brand+操作 / 搜索整行 / 横滚导航）。
         移动端取消 sticky，把纵向空间还给内容。 ---- */
  .site-header { position: static; height: auto; }
  .site-header .container {
    flex-wrap: wrap; gap: 8px 10px;
    padding-top: 10px; padding-bottom: 2px;
  }
  .brand { white-space: nowrap; min-width: 0; }
  .brand small { display: none; }
  .header-spacer { order: 4; }
  .site-header .icon-btn,
  .site-header .btn { order: 5; }
  .site-header .searchbox { order: 6; flex: 1 1 100%; width: 100%; max-width: none; }
  .searchbox kbd { display: none; }
  .nav {
    order: 7; flex: 1 1 100%; margin-left: 0; gap: 6px;
    overflow-x: auto; -webkit-overflow-scrolling: touch;
    scrollbar-width: none; padding: 2px 0 8px;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav a { flex: none; }

  /* ---- 版心与栅格 ---- */
  .container { padding: 0 16px; }
  .grid.cols-4, .grid.cols-3, .grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  /* ---- 触控目标与输入（输入框 16px 起，防 iOS 聚焦自动放大） ---- */
  .searchbox input { font-size: 16px; }
  .site-header .searchbox input { height: 40px; }
  .hero .searchbox input { height: 44px; }
  .field input, .field select, .field textarea { font-size: 16px; }
  .chip { padding: 8px 13px; font-size: 13px; }
  .icon-btn { width: 38px; height: 38px; font-size: 17px; }
  .filter-group label { padding: 7px 0; }
  .toolbar select { height: 36px; }
  .pager a, .pager span { min-width: 40px; height: 40px; }
  .tabs { overflow-x: auto; scrollbar-width: none; }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { flex: none; }

  /* ---- 长内容横向兜底 ---- */
  .prose table { display: block; width: max-content; max-width: 100%; overflow-x: auto; }

  /* ---- 字号与留白 ---- */
  .hero h1 { font-size: 28px; }
  .hero { padding: 34px 0 24px; }
  .detail-hero h1 { font-size: 23px; }
  h1 { font-size: 24px; }
}

@media (max-width: 520px) {
  .grid.cols-4, .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
  .stats-bar { gap: 22px; }
  /* 安装命令块：命令整行 + 按钮整行，避免代码区被按钮挤压 */
  .cmd { flex-wrap: wrap; row-gap: 8px; }
  .cmd code { flex: 1 1 100%; }
  /* 详情页主操作竖排满宽，指尖好点 */
  .actions { flex-direction: column; }
  .actions .btn { width: 100%; }
  .kv { grid-template-columns: 110px 1fr; }
}

/* ---- 刘海屏安全区 ---- */
#toast-wrap { bottom: calc(30px + env(safe-area-inset-bottom)); }
.site-footer { padding-bottom: calc(44px + env(safe-area-inset-bottom)); }

/* ---- 移动端筛选折叠面板（桌面端 summary 隐藏、内容恒展开，视觉不变） ---- */
.m-filters > summary { display: none; }
@media (max-width: 760px) {
  .m-filters {
    border: 1px solid var(--c-border); border-radius: var(--r-lg);
    background: var(--c-surface); margin-bottom: 16px;
  }
  .m-filters > summary {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 14px; font-size: 14px; font-weight: 600; cursor: pointer;
    list-style: none;
  }
  .m-filters > summary::-webkit-details-marker { display: none; }
  .m-filters > summary .icon { color: var(--c-accent); }
  .m-filters > summary::after {
    content: ''; margin-left: auto; width: 8px; height: 8px; flex: none;
    border-right: 1.8px solid var(--c-text-2); border-bottom: 1.8px solid var(--c-text-2);
    transform: rotate(45deg); transition: transform .15s;
  }
  .m-filters[open] > summary::after { transform: rotate(225deg); }
  .m-filters > .m-filters-body { padding: 4px 14px 14px; border-top: 1px solid var(--c-border); }
}

/* ------------------------------ 表单字段 ------------------------------ */
.field-row { display: flex; gap: 12px; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 6px; flex: 1 1 260px; min-width: 0; }
.field > span { font-size: 12.5px; color: var(--c-text-3); }
.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 14px;
  width: 100%;
  padding: 9px 12px;
  color: var(--c-text);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
}
.field input::placeholder { color: var(--c-text-3); }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 3px var(--c-accent-soft); }

/* hidden 属性必须优先于 .card / .grid 的 display，否则筛选隐藏会失效 */
[hidden] { display: none !important; }

/* ------------------------------ toast 进退场 ------------------------------ */
.toast { transition: opacity .2s ease, transform .2s ease; }
.toast.out { opacity: 0; transform: translateY(6px); }
.toast.err { background: var(--c-red); color: #fff; }

/* ------------------------------ 客户端筛选降级提示 ------------------------------ */
.no-js-hint { display: none; }