/* ============================================================
   瓜田情报局 · 吃瓜主题（列表页 / 详情页）
   双主题：默认亮色=西瓜冰室；[data-theme="dark"]=夜宵大排档
   ============================================================ */

/* ---------- 亮色主题（默认）：西瓜冰室 ---------- */
:root {
  --bg-bg: #fff1f3;
  --bg-bg-2: #fde8ec;
  --bg-glow-1: rgba(236, 72, 153, 0.12);
  --bg-glow-2: rgba(34, 197, 94, 0.08);
  --bg-glow-3: rgba(251, 191, 36, 0.08);
  --bg-grid: rgba(236, 72, 153, 0.05);
  --bg-grid-opacity: 0.55;

  --bg-card: #ffffff;
  --bg-card-border: rgba(236, 72, 153, 0.16);

  --bg-pink: #ec4899;
  --bg-pink-2: #db2777;
  --bg-green: #22c55e;
  --bg-green-2: #16a34a;
  --bg-amber: #f59e0b;
  --bg-btn-text: #ffffff;

  --bg-strong: #4c1d2e;
  --bg-text: #6b3547;
  --bg-body: #7a4457;
  --bg-muted: #c08aa0;
  --bg-line: rgba(236, 72, 153, 0.14);

  --bg-icon-bg: rgba(236, 72, 153, 0.08);
  --bg-icon-border: rgba(236, 72, 153, 0.2);
  --bg-rk-top: rgba(236, 72, 153, 0.15);
  --bg-hero-bg: linear-gradient(135deg, rgba(236, 72, 153, 0.12), rgba(34, 197, 94, 0.08));
}

/* ---------- 深色主题：夜宵大排档 ---------- */
:root[data-theme="dark"] {
  --bg-bg: #1a0f14;
  --bg-bg-2: #1a0f14;
  --bg-glow-1: rgba(236, 72, 153, 0.22);
  --bg-glow-2: rgba(34, 197, 94, 0.12);
  --bg-glow-3: rgba(251, 191, 36, 0.08);
  --bg-grid: rgba(255, 255, 255, 0.06);
  --bg-grid-opacity: 0.5;

  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-card-border: rgba(236, 72, 153, 0.2);

  --bg-pink: #fb5aa7;
  --bg-pink-2: #ff7ab8;
  --bg-green: #34d399;
  --bg-green-2: #4ade80;
  --bg-amber: #fbbf24;
  --bg-btn-text: #2a0d18;

  --bg-strong: #ffffff;
  --bg-text: #f3dbe4;
  --bg-body: #e3c9d4;
  --bg-muted: #a97f92;
  --bg-line: rgba(255, 255, 255, 0.1);

  --bg-icon-bg: rgba(236, 72, 153, 0.12);
  --bg-icon-border: rgba(236, 72, 153, 0.25);
  --bg-rk-top: rgba(236, 72, 153, 0.18);
  --bg-hero-bg: linear-gradient(135deg, rgba(236, 72, 153, 0.16), rgba(34, 197, 94, 0.1));
}

.bg-page {
  background:
    radial-gradient(900px 420px at 12% -6%, var(--bg-glow-1), transparent 60%),
    radial-gradient(700px 380px at 88% 4%, var(--bg-glow-2), transparent 55%),
    radial-gradient(600px 500px at 50% 110%, var(--bg-glow-3), transparent 60%),
    linear-gradient(180deg, var(--bg-bg) 0%, var(--bg-bg-2) 45%, var(--bg-bg) 100%);
  color: var(--bg-text);
  min-height: 100vh;
  padding: 28px 0 64px;
  position: relative;
  overflow: hidden;
}
.bg-page::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: var(--bg-grid-opacity);
  background-image:
    repeating-linear-gradient(0deg, transparent 0 2px, var(--bg-grid) 2px 3px),
    repeating-linear-gradient(90deg, transparent 0 2px, var(--bg-grid) 2px 3px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 75%, transparent);
}
.bg-page .bg-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 18px;
  position: relative;
  z-index: 1;
}

/* ---------- 面包屑 ---------- */
.bg-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--bg-muted);
  margin-bottom: 20px;
}
.bg-breadcrumb a { color: var(--bg-pink); text-decoration: none; }
.bg-breadcrumb a:hover { text-decoration: underline; }
.bg-breadcrumb .sep { opacity: 0.55; }
.bg-breadcrumb .now { color: var(--bg-text); font-weight: 600; }

/* ---------- Hero：吃瓜情报站 ---------- */
.bg-hero {
  background: var(--bg-hero-bg);
  border: 1px solid var(--bg-card-border);
  border-radius: 22px;
  padding: 34px 30px 30px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.bg-hero::after {
  content: "🍉";
  position: absolute;
  right: -8px;
  bottom: -22px;
  font-size: 96px;
  opacity: 0.1;
  transform: rotate(-12deg);
}
.bg-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(236,72,153,0.14), rgba(34,197,94,0.14));
  color: var(--bg-pink);
  border: 1px solid var(--bg-icon-border);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 12px;
  letter-spacing: 1px;
  font-weight: 600;
}
.bg-hero h1 {
  margin: 14px 0 8px;
  font-size: 34px;
  font-weight: 800;
  color: var(--bg-strong);
  letter-spacing: 2px;
}
.bg-hero-desc {
  font-size: 14.5px;
  color: var(--bg-body);
  line-height: 1.8;
  margin: 0 auto 20px;
  max-width: 560px;
}
.bg-stats {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.bg-stat {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 16px;
  padding: 12px 22px;
  min-width: 118px;
  box-shadow: 0 8px 24px rgba(236, 72, 153, 0.08);
}
.bg-stat b {
  display: block;
  font-size: 24px;
  color: var(--bg-pink);
  font-weight: 800;
  line-height: 1.2;
}
.bg-stat span { font-size: 12px; color: var(--bg-muted); }

/* ---------- 卡片基础 ---------- */
.bg-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(236, 72, 153, 0.06);
}
.bg-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.bg-card-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background: var(--bg-icon-bg);
  border: 1px solid var(--bg-icon-border);
  border-radius: 10px;
}
.bg-card-head h3 { font-size: 16px; color: var(--bg-strong); margin: 0; flex: 1; }
.bg-card-head .hint { font-size: 12px; color: var(--bg-muted); }

/* 今日瓜 */
.bg-today { border-color: rgba(34, 197, 94, 0.3); }
.bg-today-title { font-size: 18px; font-weight: 700; color: var(--bg-strong); margin-bottom: 8px; }
.bg-today-desc {
  font-size: 13.5px;
  color: var(--bg-body);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 按钮 ---------- */
.bg-btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--bg-pink), var(--bg-pink-2));
  color: var(--bg-btn-text);
  text-decoration: none;
  border: none;
  border-radius: 10px;
  padding: 10px 18px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
  box-shadow: 0 6px 16px rgba(236, 72, 153, 0.28);
}
.bg-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(236, 72, 153, 0.36); }
.bg-btn-ghost {
  background: transparent;
  color: var(--bg-pink);
  border: 1px solid var(--bg-icon-border);
  box-shadow: none;
}
.bg-btn-ghost:hover { background: var(--bg-icon-bg); box-shadow: none; }
.bg-btn-sm { padding: 7px 14px; font-size: 12.5px; }
.bg-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- 布局 ---------- */
.bg-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 22px;
  margin-top: 22px;
  align-items: start;
}
.bg-main { min-width: 0; }
.bg-side { display: flex; flex-direction: column; gap: 16px; }

.bg-sec-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--bg-strong);
  margin-bottom: 14px;
}
.bg-sec-title .watermelon { font-size: 18px; }
.bg-count { font-size: 12px; color: var(--bg-muted); font-weight: 400; margin-left: auto; }

/* ---------- 瓜卡片网格 ---------- */
.bg-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.bg-melon-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  padding: 18px;
  transition: transform .15s ease, box-shadow .15s ease;
  position: relative;
  overflow: hidden;
}
.bg-melon-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--bg-pink), var(--bg-green), var(--bg-amber));
  opacity: 0.7;
}
.bg-melon-card:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(236, 72, 153, 0.14); }
.bg-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.bg-no {
  font-size: 11px;
  font-weight: 700;
  color: var(--bg-pink);
  background: var(--bg-icon-bg);
  border: 1px solid var(--bg-icon-border);
  border-radius: 999px;
  padding: 2px 10px;
}
.bg-time { font-size: 11px; color: var(--bg-muted); }
.bg-title {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--bg-strong);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 46px;
}
.bg-desc {
  font-size: 12.5px;
  color: var(--bg-body);
  line-height: 1.65;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.bg-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  gap: 8px;
}
.bg-tags { display: flex; gap: 6px; flex-wrap: wrap; min-width: 0; }
.bg-tag-mini {
  font-size: 11px;
  color: var(--bg-green-2);
  background: rgba(34, 197, 94, 0.1);
  border-radius: 999px;
  padding: 2px 8px;
  white-space: nowrap;
}
.bg-go { font-size: 12.5px; font-weight: 700; color: var(--bg-pink); white-space: nowrap; }

.bg-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--bg-muted);
  font-size: 14px;
}
.bg-empty .big { display: block; font-size: 44px; margin-bottom: 12px; }

/* ---------- 分页 ---------- */
.bg-pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
}
.bg-pg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  color: var(--bg-text);
  font-size: 13px;
  text-decoration: none;
  transition: all .15s ease;
}
a.bg-pg:hover { border-color: var(--bg-pink); color: var(--bg-pink); }
.bg-pg.active {
  background: linear-gradient(135deg, var(--bg-pink), var(--bg-pink-2));
  color: var(--bg-btn-text);
  border-color: transparent;
  font-weight: 700;
}
.bg-pg.disabled { opacity: 0.4; cursor: not-allowed; }
.bg-pg.ellipsis { border: none; background: transparent; min-width: 24px; }
.bg-page-info {
  text-align: center;
  font-size: 12px;
  color: var(--bg-muted);
  margin-top: 12px;
}

/* ---------- 侧栏 ---------- */
.bg-side-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 8px 24px rgba(236, 72, 153, 0.06);
}
.bg-side-card .bg-sec-title { margin-bottom: 10px; font-size: 15px; }
.bg-side-list { list-style: none; margin: 0; padding: 0; }
.bg-side-list li + li { border-top: 1px solid var(--bg-line); }
.bg-side-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 2px;
  text-decoration: none;
  color: var(--bg-text);
}
.bg-side-list a:hover { color: var(--bg-pink); }
.bg-side-list .rk {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  background: var(--bg-icon-bg);
  color: var(--bg-pink);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.bg-side-list li:nth-child(-n+3) .rk { background: var(--bg-rk-top); }
.bg-side-list .t {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.bg-side-list .v { flex: none; font-size: 11px; color: var(--bg-muted); }

.bg-tip {
  font-size: 12.5px;
  color: var(--bg-body);
  line-height: 1.9;
}
.bg-tip b { color: var(--bg-pink); }

/* ---------- 详情页 ---------- */
.bg-article { padding: 0; overflow: hidden; }
.bg-head {
  padding: 26px 28px 18px;
  border-bottom: 1px solid var(--bg-line);
  background: var(--bg-hero-bg);
}
.bg-head-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.bg-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--bg-pink);
  background: var(--bg-icon-bg);
  border: 1px solid var(--bg-icon-border);
  border-radius: 999px;
  padding: 3px 12px;
}
.bg-meta { font-size: 12px; color: var(--bg-muted); }
.bg-title-lg {
  font-size: 26px;
  font-weight: 800;
  color: var(--bg-strong);
  line-height: 1.45;
  margin: 0 0 12px;
}
.bg-tagcloud { display: flex; flex-wrap: wrap; gap: 8px; }
.bg-tag-pill {
  font-size: 12px;
  color: var(--bg-green-2);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 999px;
  padding: 3px 12px;
}

.bg-body {
  padding: 26px 28px 10px;
  font-size: 15.5px;
  line-height: 2;
  color: var(--bg-body);
}
.bg-body p { margin: 0 0 18px; }
.bg-body p:first-child::first-letter {
  font-size: 30px;
  font-weight: 800;
  color: var(--bg-pink);
  float: left;
  padding: 4px 8px 0 0;
}
.bg-body p:first-child { text-indent: 0; }

/* 吃瓜互动 */
.bg-interact {
  margin: 8px 28px 26px;
  padding: 18px;
  border: 1px dashed rgba(236, 72, 153, 0.35);
  border-radius: 14px;
  background: rgba(236, 72, 153, 0.05);
  text-align: center;
}
.bg-interact-tip { font-size: 13px; color: var(--bg-muted); margin-bottom: 12px; }
.bg-ripe-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.bg-ripe-btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--bg-pink), var(--bg-pink-2));
  color: var(--bg-btn-text);
  border: none;
  border-radius: 999px;
  padding: 9px 20px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease;
  box-shadow: 0 6px 16px rgba(236, 72, 153, 0.25);
}
.bg-ripe-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(236, 72, 153, 0.35); }
.bg-ripe-no {
  background: linear-gradient(135deg, var(--bg-amber), #d97706);
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.25);
}
.bg-ripe-more {
  background: linear-gradient(135deg, var(--bg-green), var(--bg-green-2));
  box-shadow: 0 6px 16px rgba(34, 197, 94, 0.25);
}

/* 上一篇 / 下一篇 */
.bg-prevnext {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 16px;
}
.bg-pn {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: 14px;
  padding: 14px 16px;
  text-decoration: none;
  transition: border-color .15s ease, transform .15s ease;
  min-width: 0;
}
.bg-pn:hover { border-color: var(--bg-pink); transform: translateY(-1px); }
.bg-pn-next { text-align: right; }
.bg-pn-dir { display: block; font-size: 11.5px; color: var(--bg-muted); margin-bottom: 6px; }
.bg-pn-t {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--bg-strong);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 相关瓜 */
.bg-rel-list { list-style: none; margin: 0; padding: 0; }
.bg-rel-list li + li { border-top: 1px solid var(--bg-line); }
.bg-rel-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 2px;
  text-decoration: none;
  color: var(--bg-text);
}
.bg-rel-list a:hover { color: var(--bg-pink); }
.bg-rel-list .dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bg-pink), var(--bg-green));
}
.bg-rel-list .t {
  flex: 1;
  min-width: 0;
  font-size: 13.5px;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.bg-rel-list .v { flex: none; font-size: 11px; color: var(--bg-muted); white-space: nowrap; }

/* Toast */
.bg-toast {
  position: fixed;
  left: 50%;
  bottom: 42px;
  transform: translateX(-50%) translateY(16px);
  background: rgba(20, 8, 12, 0.92);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 999px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 9999;
}
.bg-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .bg-layout { grid-template-columns: 1fr; }
  .bg-side { flex-direction: row; flex-wrap: wrap; }
  .bg-side-card { flex: 1 1 calc(50% - 8px); min-width: 240px; }
  .bg-grid { grid-template-columns: 1fr; }
  .bg-hero h1 { font-size: 26px; }
  .bg-title-lg { font-size: 21px; }
}