:root {
  color-scheme: light;
  --page:            #f9f9f7;
  --surface-1:       #fcfcfb;
  --surface-2:       #f2f1ed;
  --text-primary:    #0b0b0b;
  --text-secondary:  #52514e;
  --text-muted:      #898781;
  --gridline:        #e1e0d9;
  --border:          rgba(11,11,11,0.10);
  --series-temp:      #2a78d6;
  --series-heatindex: #eb6834;
  --series-wind:      #6a4fc7;
  --series-humidity:  #0ca8a0;
  --series-rain:      #1565c0;
  --status-critical:  #d03b3b;
  --status-warning:   #fab219;
  --status-good:      #0ca30c;
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page:            #0d0d0d;
    --surface-1:       #1a1a19;
    --surface-2:       #232322;
    --text-primary:    #ffffff;
    --text-secondary:  #c3c2b7;
    --text-muted:      #898781;
    --gridline:        #2c2c2a;
    --border:          rgba(255,255,255,0.10);
    --series-temp:      #3987e5;
    --series-heatindex: #d95926;
    --series-wind:      #9078e0;
    --series-humidity:  #29c7bd;
    --series-rain:      #4a90e2;
    --status-critical:  #e66767;
    --status-warning:   #fab219;
    --status-good:      #0ca30c;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page:            #0d0d0d;
  --surface-1:       #1a1a19;
  --surface-2:       #232322;
  --text-primary:    #ffffff;
  --text-secondary:  #c3c2b7;
  --text-muted:      #898781;
  --gridline:        #2c2c2a;
  --border:          rgba(255,255,255,0.10);
  --series-temp:      #3987e5;
  --series-heatindex: #d95926;
  --series-wind:      #9078e0;
  --series-humidity:  #29c7bd;
  --series-rain:      #4a90e2;
  --status-critical:  #e66767;
  --status-warning:   #fab219;
  --status-good:      #0ca30c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--text-primary);
}

.app {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.city-bar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 6px;
}

.city-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.city-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  color: var(--text-secondary);
}
.city-tab:hover { background: var(--surface-2); }
.city-tab.active {
  background: var(--surface-2);
  border-color: var(--series-temp);
  color: var(--text-primary);
}
.city-tab-name { font-weight: 600; }
.city-tab-temp {
  font-variant-numeric: proportional-nums;
  color: var(--text-primary);
  font-weight: 600;
}
.city-tab-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-left: -2px;
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1;
}
.city-tab-remove:hover {
  background: var(--border);
  color: var(--text-primary);
}

.city-search {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 4px 4px 14px;
  flex-shrink: 0;
}

.city-search-input {
  border: none;
  background: transparent;
  color: var(--text-primary);
  font: inherit;
  font-size: 13px;
  width: 160px;
  min-width: 0;
  flex: 1;
  outline: none;
}
.city-search-input::placeholder { color: var(--text-muted); }

.city-search-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  background: var(--surface-2);
  color: var(--text-primary);
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.city-search-btn:hover { background: var(--border); }
.city-search-btn:disabled { opacity: 0.5; cursor: default; }

.search-status {
  font-size: 12px;
  color: var(--text-muted);
  margin: -2px 0 12px;
}
.search-status.search-error { color: var(--status-critical); }

.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.header-titles h1 {
  margin: 0;
  font-size: 26px;
  font-weight: 600;
}

.subtitle {
  margin: 4px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.updated-text {
  color: var(--text-muted);
  font-size: 12px;
  white-space: nowrap;
}

.refresh-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}
.refresh-btn:hover { background: var(--surface-2); }
.refresh-btn.spinning { animation: spin 0.7s linear; }
@keyframes spin { to { transform: rotate(360deg); } }

.error-banner {
  background: color-mix(in srgb, var(--status-critical) 12%, var(--surface-1));
  border: 1px solid var(--status-critical);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
}

.alert-banner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--status-critical);
  color: #fff;
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 12px;
  font-size: 13px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}
.alert-banner[hidden] { display: none; }

.alert-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
}
.alert-item + .alert-item {
  padding-top: 8px;
  border-top: 1px solid rgba(255,255,255,0.3);
}

.alert-event {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.alert-headline {
  opacity: 0.95;
}

.national-extremes {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 20px;
}
.national-extremes[hidden] { display: none; }

.ne-caption {
  font-size: 11px;
  color: var(--text-muted);
  padding: 0 2px;
}

.ne-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.ne-stat {
  flex: 1;
  min-width: 210px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
}

.ne-icon {
  font-size: 22px;
  line-height: 1;
  flex-shrink: 0;
}

.ne-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.ne-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.ne-value {
  font-size: 19px;
  font-weight: 600;
  font-variant-numeric: proportional-nums;
}
.ne-stat.ne-high .ne-value { color: var(--status-critical); }
.ne-stat.ne-low .ne-value { color: var(--series-temp); }

.ne-place {
  font-size: 12px;
  color: var(--text-secondary);
  /* Station names can be long ("19 miles northeast of Kirk, OR") and ties
     are common (two stations sharing the day's high/low) — wrap instead of
     truncating so the full place name stays readable on narrow phones. */
  overflow-wrap: break-word;
}

main {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px 20px;
}

.panel-title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.hero-icon {
  width: 86px;
  height: 86px;
  flex-shrink: 0;
}

.hero-temp {
  font-size: 56px;
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: proportional-nums;
}

.hero-feelslike {
  margin-top: 6px;
  color: var(--text-secondary);
  font-size: 15px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.stat-tile {
  background: var(--surface-2);
  border-radius: 10px;
  padding: 12px 14px;
}
.stat-tile.clickable {
  cursor: pointer;
}
.stat-tile.clickable:hover {
  background: color-mix(in srgb, var(--surface-2) 80%, var(--text-primary));
}

.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 20px;
  font-weight: 600;
  font-variant-numeric: proportional-nums;
}

.stat-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
}

.forecast3-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.day-card {
  background: var(--surface-2);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}

.day-card .day-name {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}

.day-card img {
  width: 56px;
  height: 56px;
}

.day-card .day-temps {
  font-size: 15px;
  margin: 6px 0 2px;
}

.day-card .day-temps .hi { font-weight: 600; }
.day-card .day-temps .lo { color: var(--text-muted); }

.day-card .day-short {
  font-size: 12px;
  color: var(--text-secondary);
  min-height: 32px;
}

.day-card .day-pop {
  font-size: 12px;
  color: var(--series-temp);
  margin-top: 4px;
}

.hourly-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 4px;
}
.hourly-header .panel-title { margin-bottom: 0; }

.legend {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--text-secondary);
}
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-swatch {
  width: 12px;
  height: 3px;
  border-radius: 2px;
  display: inline-block;
}

.chart-wrap {
  position: relative;
  width: 100%;
}

#hourly-chart {
  width: 100%;
  height: 280px;
  display: block;
  overflow: visible;
}

.chart-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.15);
  white-space: nowrap;
  transform: translate(-50%, -110%);
  z-index: 5;
}
.chart-tooltip .tt-time { color: var(--text-muted); margin-bottom: 4px; }
.chart-tooltip .tt-row { display: flex; align-items: center; gap: 6px; }
.chart-tooltip .tt-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

.radar-wrap {
  display: flex;
  justify-content: center;
  background: var(--surface-2);
  border-radius: 10px;
  padding: 8px;
}

#radar-img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  display: block;
}

.app-footer {
  margin-top: 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}
.app-footer a { color: var(--text-secondary); }

.tile-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 30;
}
.tile-popup-overlay[hidden] {
  display: none;
}

.tile-popup {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px 18px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

.tile-popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.tile-popup-title {
  font-size: 14px;
  font-weight: 600;
}

.tile-popup-close {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
}
.tile-popup-close:hover { color: var(--text-primary); }

#tile-popup-chart {
  width: 100%;
  height: 200px;
  display: block;
  overflow: visible;
}
#tile-popup-chart[hidden] { display: none; }

.tile-popup-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.tile-popup-info[hidden] { display: none; }

.tile-info-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 2px;
}
.tile-info-row + .tile-info-row {
  border-top: 1px solid var(--border);
}

.tile-info-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.tile-info-value {
  font-size: 15px;
  font-weight: 600;
  font-variant-numeric: proportional-nums;
}

.tile-hint {
  margin: 10px 2px 0;
  font-size: 11px;
  color: var(--text-muted);
}

/* ---------- responsive layout ---------- */

@media (max-width: 720px) {
  .app { padding: 16px 12px 32px; }

  .app-header { flex-wrap: wrap; }
  .header-titles h1 { font-size: 23px; }

  .city-bar-row { flex-direction: column; align-items: stretch; }
  .city-search { align-self: stretch; }

  .stat-grid { grid-template-columns: repeat(auto-fit, minmax(115px, 1fr)); }
}

@media (max-width: 560px) {
  .forecast3-row { grid-template-columns: 1fr; }
  .hero-temp { font-size: 44px; }
}

@media (max-width: 480px) {
  .app { padding: 14px 10px 28px; }
  .panel { padding: 14px 14px 16px; }

  .header-actions { width: 100%; justify-content: space-between; }
  .header-titles h1 { font-size: 20px; }
  .subtitle { font-size: 13px; }

  .city-tab { padding: 7px 12px; font-size: 12px; }

  .hero-row { gap: 12px; }
  .hero-icon { width: 64px; height: 64px; }
  .hero-temp { font-size: 36px; }
  .hero-feelslike { font-size: 13px; }

  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-value { font-size: 17px; }

  .day-card { padding: 10px; }
  .day-card img { width: 44px; height: 44px; }

  #hourly-chart { height: 220px; }

  .legend { font-size: 11px; gap: 10px; }
}

/* Devices identified as phones (see detectDeviceType in app.js) always get the
   stacked, touch-friendly layout, even in landscape at wider viewport widths. */
.device-mobile .city-bar-row { flex-direction: column; align-items: stretch; }
.device-mobile .city-tab,
.device-mobile .city-search-btn,
.device-mobile .tile-popup-close,
.device-mobile .refresh-btn { min-height: 38px; }
.device-mobile .stat-tile.clickable:hover { background: var(--surface-2); }