/* ================= DESIGN TOKENS ================= */
:root {
  --bg-main: radial-gradient(circle at top, #0f1c3f, #060b23);
  --card-bg: linear-gradient(180deg, #0c1b3a, #08122c);
  --border-soft: rgba(255,255,255,0.06);

  --text-main: #ffffff;
  --text-muted: #9aa4bf;

  --accent-green: #4caf50;
  --accent-yellow: #ffc107;
  --accent-red: #f44336;

  --radius: 18px;
  --shadow: 0 14px 40px rgba(0,0,0,0.45);
}

/* ================= RESET ================= */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 24px;
  font-family: "Inter", Arial, sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
}

/* ================= HEADER ================= */
.page-header {
  text-align: center;
  margin-bottom: 26px;
}

.page-header h1 {
  font-size: 22px;
  margin: 0;
}

.page-header p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ================= LAYOUT ================= */
.dashboard {
  display: grid;
  grid-template-columns: 34% 66%;
  gap: 26px;
  max-width: 1400px;
  margin: auto;
}

.sidebar,
.content {
  display: flex;
  flex-direction: column;
}

/* ================= CARD ================= */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-soft);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
}

.card h3 {
  margin: 0 0 14px;
  font-size: 15px;
}

/* ================= HERO CARD ================= */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 14px;
}

.label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}

.value {
  font-size: 22px;
  font-weight: 600;
}

/* AQI BADGE */
#aqiBadge {
  margin-top: 12px;
  padding: 10px;
  border-radius: 999px;
  text-align: center;
  font-weight: 600;
  font-size: 13px;
}

/* ================= LOCATION ================= */
#map {
  height: 220px;
  border-radius: 14px;
  margin-bottom: 10px;
  border: 1px solid var(--border-soft);
}

.coords {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

/* ================= CHARTS ================= */
.charts-row {
  display: flex;
  gap: 14px;
}

.chart-box {
  width: 33%;
  background: rgba(255,255,255,0.02);
  border-radius: 12px;
  padding: 10px;
  text-align: center;
}

.chart-box span {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.chart-box canvas {
  height: 140px !important;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 1100px) {
  .dashboard {
    grid-template-columns: 1fr;
  }

  .charts-row {
    flex-direction: column;
  }

  .chart-box {
    width: 100%;
  }
}

.location-card {
  display: flex;
  flex-direction: column;
}

#map {
  height: 260px;
  width: 100%;
  min-height: 260px;
  margin-top: 12px;
  border-radius: 14px;
  overflow: hidden;
}