/* ────────────────────────────────────────────────────────────────────────────
   Wx Weather App — Stylesheet
   Aesthetic: Dark meteorological workstation. IBM Plex Mono for data
   readouts, Barlow Condensed for UI labels. Cyan accent on near-black.
   ──────────────────────────────────────────────────────────────────────────── */

/* ── Google Fonts fallback (if offline) ──────────────────────────────────── */
@font-face {
  font-family: 'Barlow Condensed';
  font-style: normal;
  font-weight: 400;
  src: local('Barlow Condensed'), local('BarlowCondensed-Regular');
}

/* ── Design tokens ───────────────────────────────────────────────────────── */
:root {
  --bg-base:          #070b13;
  --bg-panel:         rgba(5, 9, 18, 0.93);
  --bg-card:          rgba(255, 255, 255, 0.035);

  --border:           rgba(255, 255, 255, 0.07);
  --border-mid:       rgba(255, 255, 255, 0.11);

  --accent:           #38d9f5;        /* cyan — radar scope glow */
  --accent-dim:       rgba(56, 217, 245, 0.10);
  --accent-text:      #7ee8fa;

  --text-primary:     #dde5f0;
  --text-secondary:   #637592;
  --text-muted:       #2e3d55;

  --warn:             #f59e0b;
  --warn-dim:         rgba(245, 158, 11, 0.11);
  --danger:           #ef4444;
  --danger-dim:       rgba(239, 68, 68, 0.11);
  --extreme:          #dc2626;
  --extreme-dim:      rgba(220, 38, 38, 0.14);
  --minor:            #6b7280;
  --minor-dim:        rgba(107, 114, 128, 0.14);

  --panel-width:      292px;
  --panel-padding:    18px;
  --font-ui:          'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-data:        'IBM Plex Mono', 'Courier New', monospace;

  --radius-sm:        3px;
  --radius-md:        5px;
  --transition:       0.18s ease;
}

/* ── Reset ───────────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Map ─────────────────────────────────────────────────────────────────── */
#map {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Keep attribution readable against the dark map */
.maplibregl-ctrl-attrib {
  background: rgba(5, 9, 18, 0.75) !important;
  color: var(--text-secondary) !important;
  font-size: 10px !important;
  font-family: var(--font-data) !important;
}

.maplibregl-ctrl-attrib a {
  color: var(--accent-text) !important;
}

/* Offset native controls so they clear the left panel */
.maplibregl-ctrl-bottom-left {
  left: var(--panel-width) !important;
}

.maplibregl-ctrl-top-left {
  left: var(--panel-width) !important;
}

/* ── Panel ───────────────────────────────────────────────────────────────── */
#panel {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--panel-width);
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-right: 1px solid var(--border);
  z-index: 10;
  overflow: hidden;
}

/* Cyan accent line on the far left edge */
#panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent) 0%, rgba(56, 217, 245, 0) 80%);
  opacity: 0.55;
  z-index: 1;
}

/* ── Panel header ────────────────────────────────────────────────────────── */
#panel-header {
  padding: 20px var(--panel-padding) 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.location-name {
  display: block;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  text-transform: uppercase;
  line-height: 1.2;
}

.radar-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 7px;
  font-family: var(--font-data);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-transform: uppercase;
}

/* Pulsing dot before the badge text */
.radar-badge::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1;   transform: scale(1); }
  50%       { opacity: 0.3; transform: scale(0.75); }
}

/* ── Conditions section ──────────────────────────────────────────────────── */
#conditions {
  padding: 18px var(--panel-padding);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

/* Large temperature readout */
.temp-block {
  display: flex;
  align-items: baseline;
  gap: 2px;
  line-height: 1;
  margin-bottom: 5px;
}

#temp {
  font-family: var(--font-data);
  font-size: 68px;
  font-weight: 600;
  letter-spacing: -3px;
  color: var(--text-primary);
  transition: color var(--transition);
}

.temp-unit {
  font-family: var(--font-data);
  font-size: 26px;
  font-weight: 400;
  color: var(--text-secondary);
  align-self: flex-start;
  padding-top: 14px;
}

/* Sky condition description */
#description {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-bottom: 16px;
  min-height: 17px;
  text-transform: capitalize;
}

/* 2-column grid for supplemental metrics */
.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 10px;
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.metric-label {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
  line-height: 1;
}

.metric-value {
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.2;
}

/* Wind direction: compass svg + cardinal text side by side */
.wind-block {
  display: flex;
  align-items: center;
  gap: 7px;
}

.wind-compass {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.wind-compass svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* ── Alerts section ──────────────────────────────────────────────────────── */
#alerts-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.section-heading {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  text-transform: uppercase;
  padding: 14px var(--panel-padding) 10px;
  flex-shrink: 0;
}

#alerts-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 10px 10px;
}

/* Thin custom scrollbar */
#alerts-list::-webkit-scrollbar { width: 3px; }
#alerts-list::-webkit-scrollbar-track { background: transparent; }
#alerts-list::-webkit-scrollbar-thumb {
  background: var(--border-mid);
  border-radius: 2px;
}

.no-alerts {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--text-muted);
  padding: 0 8px;
  letter-spacing: 0.04em;
}

/* Individual alert card */
.alert-item {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border-left: 2px solid;
  margin-bottom: 6px;
  cursor: default;
  transition: background var(--transition);
}

/* Severity color variants */
.alert-extreme  { background: var(--extreme-dim); border-color: var(--extreme); }
.alert-severe   { background: var(--danger-dim);  border-color: var(--danger); }
.alert-moderate { background: var(--warn-dim);    border-color: var(--warn); }
.alert-minor    { background: var(--minor-dim);   border-color: var(--minor); }
.alert-unknown  { background: var(--accent-dim);  border-color: var(--accent); }

.alert-event {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  margin-bottom: 3px;
  line-height: 1.2;
}

.alert-extreme .alert-event,
.alert-severe  .alert-event  { color: #fca5a5; }
.alert-moderate .alert-event { color: #fcd34d; }
.alert-minor .alert-event    { color: var(--text-secondary); }
.alert-unknown .alert-event  { color: var(--accent-text); }

.alert-headline {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ── Panel footer ────────────────────────────────────────────────────────── */
#panel-footer {
  padding: 12px var(--panel-padding);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

#station-id {
  font-family: var(--font-data);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#last-updated {
  font-family: var(--font-data);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* Refresh button */
#refresh-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
}

#refresh-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

#refresh-btn:active {
  transform: scale(0.92);
}

#refresh-btn.spinning {
  animation: spin 0.75s linear infinite;
  pointer-events: none;
}

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

/* ── Map controls (top-right) ────────────────────────────────────────────── */
#map-controls {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  min-width: 130px;
}

.map-control-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.control-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  flex-shrink: 0;
}

.control-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.control-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.control-btn:hover:not(.active) {
  border-color: var(--border-mid);
  color: var(--text-primary);
}

/* Radar opacity slider */
.opacity-slider {
  width: 80px;
  appearance: none;
  -webkit-appearance: none;
  height: 3px;
  background: var(--border-mid);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.opacity-slider::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-base);
  cursor: pointer;
  transition: transform var(--transition);
}

.opacity-slider::-webkit-slider-thumb:hover {
  transform: scale(1.25);
}

.opacity-slider::-moz-range-thumb {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-base);
  cursor: pointer;
}

/* ── Loading overlay ─────────────────────────────────────────────────────── */
#loading-overlay {
  position: absolute;
  inset: 0;
  background: var(--bg-base);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  transition: opacity 0.5s ease;
}

#loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.loader-spinner {
  width: 34px;
  height: 34px;
  border: 2px solid var(--border-mid);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.85s linear infinite;
}

.loader-text {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.error-icon {
  font-size: 30px;
}

.error-text {
  color: var(--danger);
  max-width: 260px;
  text-align: center;
  line-height: 1.5;
}

.retry-btn {
  background: none;
  border: 1px solid var(--border-mid);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 9px 24px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
}

.retry-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ── Tablet size adjustments ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  :root {
    --panel-width: 260px;
  }

  #temp {
    font-size: 56px;
  }
}

/* Narrow tablet / large phone (portrait) */
@media (max-width: 600px) {
  :root {
    --panel-width: 100%;
  }

  #panel {
    top: auto;
    height: 50vh;
    border-right: none;
    border-top: 1px solid var(--border);
  }

  #map {
    height: 50vh;
  }
}