@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap');

:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface2: #243044;
  --text: #e8eef4;
  --muted: #8b9cb3;
  --accent: #3b9eff;
  --accent-hover: #2d7fd4;
  --good: #22c55e;
  --moderate: #eab308;
  --unhealthy: #f97316;
  --bad: #ef4444;
  --hazard: #a855f7;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'DM Sans', 'Open Sans', sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(165deg, #0f1419 0%, #1a2744 50%, #0f1419 100%);
  color: var(--text);
  min-height: 100vh;
}

.app-header {
  text-align: center;
  padding: 1.5rem 1rem 0.5rem;
}

header,
.app-header {
  text-align: center;
}

.app-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem 2rem;
}

header h1 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 700;
}

.tagline {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

main {
  padding: 0 1.25rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.search-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: end;
  background: var(--surface);
  padding: 1.25rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.search-panel label {
  grid-column: 1 / -1;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: -0.25rem;
}

select {
  grid-column: 1 / -1;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--surface2);
  background: var(--surface2);
  color: var(--text);
  font-size: 1rem;
}

button {
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  background: var(--accent);
  border: none;
  color: #fff;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  transition: background 0.2s;
}

button:hover {
  background: var(--accent-hover);
}

.hidden {
  display: none !important;
}

.current-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 700px) {
  .current-panel {
    grid-template-columns: 1fr;
  }
}

.panel-card {
  background: var(--surface);
  border-radius: 12px;
  padding: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.panel-card h2 {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
}

.current-main {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.current-temp {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
}

.current-temp span {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--muted);
}

.current-desc {
  font-size: 1.1rem;
  margin: 0.25rem 0 0.5rem;
}

.current-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.aqi-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.aqi-good { background: rgba(34, 197, 94, 0.2); color: #4ade80; }
.aqi-moderate { background: rgba(234, 179, 8, 0.2); color: #facc15; }
.aqi-sensitive { background: rgba(249, 115, 22, 0.2); color: #fb923c; }
.aqi-unhealthy { background: rgba(239, 68, 68, 0.2); color: #f87171; }
.aqi-very-bad { background: rgba(168, 85, 247, 0.2); color: #c084fc; }
.aqi-unknown { background: var(--surface2); color: var(--muted); }

.aqi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  font-size: 0.9rem;
}

.aqi-grid div {
  background: var(--surface2);
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
}

.aqi-grid strong {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
}

.forecast-heading {
  grid-column: 1 / -1;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0.5rem 0 0;
  font-weight: 600;
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.weather-card {
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  width: 140px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.weather-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.weather-card img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin: 0.75rem auto 0;
}

.weather-card-content {
  padding: 0 0.75rem 1rem;
}

.weather-card-title {
  font-weight: 600;
  font-size: 0.85rem;
  margin: 0.25rem 0;
}

.weather-condition {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: capitalize;
  margin-bottom: 0.35rem;
}

.weather-card .temp {
  font-size: 0.9rem;
}

.forecast-loading,
.forecast-error {
  width: 100%;
  padding: 1.5rem;
  border-radius: 12px;
  text-align: center;
}

.forecast-loading {
  background: var(--surface);
  color: var(--muted);
}

.forecast-error {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}

footer a {
  color: var(--accent);
}

.section-head {
  margin-bottom: 1rem;
}

.section-head h2 {
  margin: 0;
  font-size: 1.25rem;
}

.status-text,
.hint-text {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.dashboard-section,
.map-section,
.city-section {
  margin-bottom: 2rem;
}

.rankings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.rank-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 1rem;
}

.rank-card h3 {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.rank-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.rank-item {
  display: grid;
  grid-template-columns: 1.5rem 1fr auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.45rem 0.35rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.15s;
}

.rank-item:hover {
  background: var(--surface2);
}

.rank-num {
  color: var(--muted);
  font-weight: 600;
}

.rank-city {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rank-val {
  font-weight: 600;
  font-size: 0.8rem;
}

.weather-map {
  height: 420px;
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  z-index: 0;
}

.map-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.map-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.map-legend i {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  font-style: normal;
}

.city-section {
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 600px) {
  .search-panel {
    grid-template-columns: 1fr;
  }
  .weather-map {
    height: 300px;
  }
}