/* 榜单页样式：零依赖、跟随系统深色、移动优先 */
:root {
  --bg: #faf8f5;
  --card: #ffffff;
  --line: #ece6dd;
  --text: #221f1c;
  --dim: #8a8178;
  --brand: #b88552;
  --brand-soft: #b8855214;
  --gold: #c89a4b;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141210;
    --card: #1d1a17;
    --line: #2c2823;
    --text: #e9e3db;
    --dim: #918a80;
    --brand: #d0a06c;
    --brand-soft: #d0a06c18;
    --gold: #d9ae60;
  }
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, 'PingFang SC', 'Helvetica Neue', 'Noto Sans SC', sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}

.wrap {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ---------- 顶部 ---------- */
.top {
  padding: calc(env(safe-area-inset-top) + 26px) 0 14px;
  background: linear-gradient(180deg, var(--brand-soft), transparent);
}

.top-main h1 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0.5px;
  font-weight: 700;
}

.top .wrap {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.sub {
  margin: 6px 0 0;
  font-size: 12.5px;
  color: var(--dim);
}

.app-link {
  flex: none;
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--dim);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
}

/* ---------- 搜索与筛选 ---------- */
.controls {
  position: sticky;
  top: 0;
  z-index: 5;
  padding-top: 8px;
  padding-bottom: 10px;
  background: linear-gradient(180deg, var(--bg) 78%, transparent);
}

.search input {
  width: 100%;
  height: 40px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
  appearance: none;
}

.search input:focus {
  border-color: var(--brand);
}

.search input::placeholder {
  color: var(--dim);
}

.chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 0 2px;
  scrollbar-width: none;
}

.chips::-webkit-scrollbar {
  display: none;
}

.chip {
  flex: none;
  padding: 5px 12px;
  font-size: 12.5px;
  color: var(--dim);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
}

.chip.on {
  color: #fff;
  background: var(--brand);
  border-color: var(--brand);
}

/* ---------- 列表 ---------- */
.list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.item {
  display: flex;
  gap: 12px;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.12s ease;
}

.item:active {
  transform: scale(0.99);
}

.no {
  flex: none;
  width: 22px;
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 600;
  color: var(--dim);
  text-align: right;
  padding-top: 2px;
}

.no.top3 {
  color: var(--gold);
}

.body {
  min-width: 0;
  flex: 1;
}

.title {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.4;
  word-break: break-all;
}

.meta-line {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--dim);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.dot {
  opacity: 0.45;
}

.badge {
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 5px;
  background: var(--brand-soft);
  color: var(--brand);
}

.badge.hot {
  font-weight: 600;
}

/* 展开后的详情 */
.detail {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  color: var(--dim);
}

.detail p {
  margin: 0 0 6px;
}

.detail a {
  color: var(--brand);
  text-decoration: none;
  word-break: break-all;
}

.acts {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.btn {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

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

/* ---------- 其它 ---------- */
.empty {
  text-align: center;
  color: var(--dim);
  padding: 48px 0;
  font-size: 14px;
}

.foot {
  margin: 28px auto 20px;
  font-size: 11.5px;
  color: var(--dim);
  line-height: 1.7;
}

.foot p {
  margin: 0 0 6px;
}

.foot .dim {
  opacity: 0.72;
}

.skeleton {
  height: 66px;
  border-radius: var(--radius);
  background: linear-gradient(90deg, var(--card), var(--line), var(--card));
  background-size: 200% 100%;
  animation: sk 1.2s infinite linear;
}

@keyframes sk {
  to {
    background-position: -200% 0;
  }
}