:root {
  --bg: #eef2f7;
  --bg-grad-1: #f6f9fd;
  --bg-grad-2: #dfe8f4;
  --card-bg: #ffffff;
  --text: #1f2a3d;
  --text-soft: #5b6b82;
  --text-faint: #8b98ab;
  --primary: #2f6fed;
  --primary-soft: #e6eefc;
  --line: #e3e9f1;
  --shadow: 0 6px 18px rgba(31, 56, 100, 0.08);
  --radius: 16px;
  --danger: #d64545;
  --warn: #e8890c;
  --cold: #4a7dd6;
  --hot: #e0603a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background: linear-gradient(180deg, var(--bg-grad-1) 0%, var(--bg-grad-2) 100%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

a {
  color: var(--primary);
}

/* ---------- Header ---------- */
.site-header {
  background: linear-gradient(120deg, #2b5ec9 0%, #3f7bdd 55%, #4f8ff0 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(47, 111, 237, 0.25);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 26px 20px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.site-title {
  margin: 0;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 1px;
}

.site-subtitle {
  margin: 6px 0 0;
  font-size: 14px;
  opacity: 0.85;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.update-time {
  font-size: 13px;
  opacity: 0.9;
}

.countdown {
  font-size: 13px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  padding: 4px 10px;
  white-space: nowrap;
}

.refresh-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
}

.refresh-btn:hover {
  background: rgba(255, 255, 255, 0.28);
}

.refresh-btn:active {
  transform: scale(0.97);
}

.refresh-btn.spinning svg {
  animation: spin 0.9s linear infinite;
}

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

/* ---------- Stats bar ---------- */
.stats-bar {
  max-width: 1200px;
  margin: -14px auto 0;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.stat {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 12px 14px;
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stat-label {
  display: block;
  font-size: 12px;
  color: var(--text-soft);
  margin-top: 2px;
}

/* ---------- Toolbar ---------- */
.toolbar {
  max-width: 1200px;
  margin: 20px auto 0;
  padding: 0 20px;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.search-box {
  flex: 1 1 260px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 14px;
  color: var(--text-soft);
}

.search-box svg {
  flex: none;
}

.search-box input {
  border: none;
  outline: none;
  background: transparent;
  flex: 1;
  font-size: 15px;
  color: var(--text);
}

.sort-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text-soft);
}

.sort-box select {
  border: none;
  outline: none;
  background: transparent;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
}

/* ---------- Grid & Cards ---------- */
.grid {
  max-width: 1200px;
  margin: 22px auto 0;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 26px rgba(31, 56, 100, 0.14);
}

.card.rain-badge::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #4a9de8, #7cc0f0);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.town-name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
}

.town-type {
  font-size: 11px;
  color: var(--text-faint);
  background: #f0f4fa;
  border-radius: 6px;
  padding: 2px 8px;
  flex: none;
}

.card-body {
  display: flex;
  align-items: center;
  gap: 14px;
}

.icon-wrap {
  flex: none;
  width: 62px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--primary-soft);
}

.icon-wrap svg {
  width: 40px;
  height: 40px;
}

.icon-wrap.cold {
  background: #e8effc;
  color: var(--cold);
}

.icon-wrap.hot {
  background: #fdeee7;
  color: var(--hot);
}

.icon-wrap.rainy {
  background: #e6f1fb;
  color: #3a7bd5;
}

.icon-wrap.storm {
  background: #efeafc;
  color: #6b5bc0;
}

.temp-wrap {
  min-width: 0;
}

.temp-value {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.1;
}

.temp-value sup {
  font-size: 18px;
  font-weight: 600;
}

.weather-desc {
  font-size: 14px;
  color: var(--text-soft);
  margin-top: 2px;
}

.card-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

.metric {
  text-align: center;
}

.metric-label {
  display: block;
  font-size: 11px;
  color: var(--text-faint);
}

.metric-value {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.card-foot {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-faint);
}

/* ---------- Loading / Error / Empty ---------- */
.loading {
  text-align: center;
  color: var(--text-soft);
  padding: 50px 20px;
}

.spinner {
  width: 40px;
  height: 40px;
  margin: 0 auto 14px;
  border: 4px solid var(--line);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

.error-box {
  max-width: 720px;
  margin: 24px auto 0;
  padding: 16px 18px;
  background: #fdecec;
  border: 1px solid #f3c4c4;
  border-radius: 12px;
  color: var(--danger);
  font-size: 14px;
  line-height: 1.7;
}

.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-soft);
  padding: 50px 0;
}

.hidden {
  display: none !important;
}

/* ---------- Footer ---------- */
.site-footer {
  max-width: 1200px;
  margin: 40px auto 0;
  padding: 18px 20px 30px;
  color: var(--text-faint);
  font-size: 12px;
  line-height: 1.8;
  border-top: 1px solid rgba(255, 255, 255, 0.5);
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .site-title {
    font-size: 21px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}