:root {
  --bg: #07111f;
  --bg-2: #10233c;
  --card: rgba(12, 24, 42, 0.78);
  --line: rgba(180, 210, 255, 0.14);
  --text: #eef4ff;
  --muted: #9aadc8;
  --accent: #7eb6ff;
  --warm: #ffb454;
  --good: #5ee0b5;
  --shadow: 0 20px 48px rgba(0, 8, 20, 0.35);
}

* {
  box-sizing: border-box;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100dvh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  color: var(--text);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 88% 0%, rgba(126, 182, 255, 0.28), transparent 34%),
    radial-gradient(circle at 8% 18%, rgba(94, 224, 181, 0.1), transparent 30%),
    linear-gradient(180deg, var(--bg), var(--bg-2) 58%, #0a1728);
}

body[data-sky="cloudy"] {
  background:
    radial-gradient(circle at 80% 8%, rgba(160, 180, 210, 0.2), transparent 36%),
    linear-gradient(180deg, #101826, #1a2436 60%, #0d1522);
}

body[data-sky="rain"] {
  background:
    radial-gradient(circle at 70% 0%, rgba(80, 130, 200, 0.28), transparent 40%),
    linear-gradient(180deg, #081018, #132033 55%, #0a1420);
}

body[data-sky="snow"] {
  background:
    radial-gradient(circle at 20% 0%, rgba(220, 235, 255, 0.2), transparent 32%),
    linear-gradient(180deg, #132033, #1c2b40);
}

.page {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(280px, 460px);
  gap: 20px;
  align-items: center;
}

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

.brand-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(180deg, #9accff, #3d7de0);
  font-size: 26px;
  box-shadow: var(--shadow);
}

.brand h1,
.card h2,
.card h3 {
  margin: 0;
}

.brand h1 {
  font-size: 24px;
  letter-spacing: 0.02em;
}

.brand p,
.muted,
.status {
  color: var(--muted);
}

.search-wrap {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 18px;
  pointer-events: none;
}

#city-search {
  width: 100%;
  height: 52px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0 16px 0 38px;
  color: var(--text);
  background: rgba(8, 16, 30, 0.72);
  outline: none;
  font-size: 16px;
}

#city-search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(126, 182, 255, 0.16);
}

.search-results {
  position: absolute;
  z-index: 10;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  margin: 0;
  padding: 8px;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #122038;
  box-shadow: var(--shadow);
}

.search-results li {
  padding: 14px 12px;
  border-radius: 10px;
  cursor: pointer;
}

.search-results li:hover,
.search-results li.active {
  background: rgba(126, 182, 255, 0.16);
}

.quick-cities {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 10px;
}

.chip,
.btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  border-radius: 999px;
  cursor: pointer;
}

.chip {
  min-height: 40px;
  padding: 10px 16px;
  font-size: 14px;
}

.chip:hover,
.btn:hover,
.chip.active {
  border-color: var(--accent);
  background: rgba(126, 182, 255, 0.18);
}

.btn:disabled {
  opacity: 0.55;
  cursor: default;
}

.status {
  min-height: 24px;
  margin-bottom: 14px;
}

.status.error {
  color: #ff9b9b;
}

.dashboard {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
}

.card {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--card);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.span-2 {
  grid-column: 1 / -1;
}

.hero {
  display: grid;
  gap: 18px;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -50px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 180, 84, 0.18), transparent 68%);
  pointer-events: none;
}

.city-label {
  margin: 0 0 4px;
  font-size: 20px;
  font-weight: 700;
}

.temp-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.weather-icon {
  font-size: 46px;
}

.temperature {
  font-size: 76px;
  font-weight: 720;
  line-height: 0.92;
}

.unit {
  font-size: 22px;
  color: var(--muted);
}

.weather-text {
  margin: 10px 0 0;
  font-size: 20px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0;
}

.metrics div {
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.045);
}

.metrics dt {
  color: var(--muted);
  font-size: 12px;
}

.metrics dd {
  margin: 6px 0 0;
  font-size: 15px;
  font-weight: 650;
}

.hero .btn {
  margin-right: 8px;
}

.btn-ghost {
  background: transparent;
}

.install-banner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(18, 40, 70, 0.92);
}

.install-banner p {
  margin: 0;
  line-height: 1.45;
}

.install-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.advice-grid {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.advice-grid div {
  padding: 13px 14px;
  border-radius: 14px;
  background: rgba(94, 224, 181, 0.08);
}

.advice-grid h3 {
  font-size: 14px;
  color: var(--good);
}

.advice-grid p {
  margin: 8px 0 0;
  line-height: 1.6;
}

.daily-row,
.compare-cards {
  display: grid;
  gap: 10px;
}

.daily-row {
  grid-template-columns: repeat(7, minmax(0, 1fr));
  margin-top: 14px;
}

.day-card,
.compare-card {
  padding: 12px 10px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  text-align: center;
}

.day-card .icon,
.compare-card .icon {
  font-size: 26px;
  margin: 8px 0;
}

.day-card .temps {
  margin: 6px 0 4px;
  font-weight: 700;
}

.charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 12px;
}

.chart-panel h3 {
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--muted);
  font-weight: 600;
}

.chart-box {
  position: relative;
  height: 280px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: end;
}

.compare-cards {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 14px 0;
}

.compare-card {
  text-align: left;
}

.compare-card header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 8px;
}

.remove-city {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 18px;
}

.hidden {
  display: none !important;
}

.empty-compare {
  grid-column: 1 / -1;
  color: var(--muted);
  padding: 8px 0 4px;
}

@media (max-width: 900px) {
  .page {
    width: min(1180px, calc(100% - 20px));
    padding: 12px 0 32px;
  }

  .topbar,
  .dashboard,
  .charts,
  .metrics {
    grid-template-columns: 1fr;
  }

  .topbar {
    gap: 12px;
  }

  .brand h1 {
    font-size: 20px;
  }

  .quick-cities,
  .daily-row,
  .compare-cards {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    margin-right: -10px;
    padding-right: 10px;
  }

  .chip,
  .day-card,
  .compare-card {
    flex: 0 0 auto;
  }

  .day-card {
    width: 108px;
  }

  .compare-card {
    width: 168px;
  }

  .install-banner {
    flex-direction: column;
    align-items: stretch;
    position: sticky;
    top: env(safe-area-inset-top);
    z-index: 20;
  }

  .section-head {
    flex-direction: column;
    align-items: start;
  }

  .chart-box {
    height: 220px;
  }

  .temperature {
    font-size: 56px;
  }
}