:root {
  color-scheme: light;
  --bg: #c0c0c0;
  --fg: #1d1d1d;
  --muted: #555;
  --accent: #E89923;          /* muted amber — reads cleaner on gray than #FFA500 */
  --accent-bright: #FFA500;   /* pure amber, reserved for hover punctuation */
  --control-border: #777;
  --map-bg: #888;
  --card-bg: #b6b6b6;         /* ~5% darker than --bg */
  --card-border: rgba(0, 0, 0, 0.10);

  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
}

main, footer {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1rem 1rem;
  text-align: center;
}

a { color: var(--fg); }
a:hover { color: var(--accent); }

/* ---------- Headings ---------- */

h1, h2, h3, .mono {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.01em;
}

header h1 {
  font-family: var(--font-mono);
  font-size: 1.85rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
}

header .site-name {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
}

/* ---------- Header forecast extras ---------- */

.forecast-link {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
}

.forecast-link a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.forecast-link a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.forecast-snippet {
  max-width: 720px;
  margin: 0.85rem auto 0.25rem;
  padding: 0;
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--fg);
  text-align: left;
  font-family: var(--font-sans);
}

.forecast-snippet strong {
  font-weight: 600;
}

.forecast-snippet em {
  color: var(--muted);
  font-style: italic;
}

/* Secondary NWS forecast city links — quick access to other locations
   within the region. Same size as the primary forecast link so the city
   names register; the "Also:" prefix stays muted to signal supplementary
   status without burying the links themselves. */
.additional-cities {
  max-width: 720px;
  margin: 0.9rem auto 0;
  padding: 0;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--muted);
  text-align: center;
}

.additional-cities a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.additional-cities a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- Site-name link (replaces "Home" button) ---------- */

.site-link {
  position: fixed;
  top: 0.7rem;
  left: 0.7rem;
  z-index: 1000;
  padding: 0.32rem 0.7rem;
  background: rgba(255, 255, 255, 0.88);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0;
  text-decoration: none;
  border: 1px solid var(--control-border);
  border-radius: 2px;
  line-height: 1.2;
  backdrop-filter: blur(2px);
}

.site-link:hover {
  background: #fff;
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- Hero (landing page) ---------- */

.hero {
  position: relative;
  width: 100%;
  height: 55vh;
  min-height: 380px;
  background-color: #2a3540; /* solid fallback if all images fail */
  background-image:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.05) 35%, rgba(0, 0, 0, 0.7) 100%),
    url('assets/hero.jpg'),
    linear-gradient(135deg, #3d4d5e 0%, #1f2935 100%);
  background-size: cover, cover, cover;
  background-position: center, center, center;
  background-repeat: no-repeat;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.hero-content {
  text-align: center;
  color: #fff;
  padding: 0 1.5rem 2.5rem;
  max-width: 900px;
  width: 100%;
}

.hero h1 {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.55);
  display: inline-block;
  position: relative;
  padding-bottom: 0.6rem;
}

.hero h1::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 3.2rem;
  height: 2px;
  background: var(--accent);
}

.hero .tagline {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 400;
  margin: 0.9rem 0 0;
  color: rgba(255, 255, 255, 0.94);
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.8);
}

@media (max-width: 700px) {
  .hero { height: 48vh; min-height: 320px; }
  .hero h1 { font-size: 1.9rem; }
  .hero .tagline { font-size: 0.9rem; }
}

/* Very narrow viewports (small phones, ~iPhone SE width). Shrinks the
   hero typography and bumps the site-link tap target above the 44px
   Apple HIG minimum so it's comfortably tappable. */
@media (max-width: 420px) {
  .hero h1 { font-size: 1.6rem; letter-spacing: -0.02em; }
  .hero .tagline { font-size: 0.82rem; }
  .hero-content { padding: 0 1rem 2rem; }
  .site-link {
    font-size: 0.7rem;
    padding: 0.45rem 0.75rem;
  }
  .page-timestamp { font-size: 0.75rem; }
  header { padding-top: 2.6rem; } /* keep site-link from overlapping h1 */
}

/* ---------- Page timestamp (landing) ---------- */

.page-timestamp {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted);
  text-align: center;
  margin: 1.6rem auto 0.4rem;
}

/* ---------- Region card grid (landing) ---------- */

.region-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  padding: 0 1rem;
  max-width: 1200px;
  margin: 1.2rem auto 3rem;
}

@media (min-width: 640px) {
  .region-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
}

@media (min-width: 1000px) {
  .region-grid { grid-template-columns: repeat(3, 1fr); }
}

.region-card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-left: 3px solid transparent;
  padding: 1.1rem 1.25rem 1.2rem;
  text-decoration: none;
  color: var(--fg);
  transition: border-left-color 120ms ease, background-color 120ms ease;
  cursor: pointer;
}

.region-card:hover,
.region-card:focus-visible {
  border-left-color: var(--accent);
  background: #b0b0b0;
  color: var(--fg);
}

.region-card .card-name {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.15rem;
}

.region-card .card-city {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0 0 0.55rem;
}

.region-card .card-conditions {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--fg);
  margin: 0 0 0.55rem;
  min-height: 1.3em; /* reserve space so layout doesn't shift when async data arrives */
}

.region-card .card-conditions.loading,
.region-card .card-conditions.empty {
  color: var(--muted);
  font-style: italic;
}

/* ---------- Panel sections (per-region) ---------- */
/* Layout per panel: TITLE -> DESCRIPTION -> IMAGE (or map / multi-grid) */

main {
  padding-top: 1rem;
  padding-bottom: 2rem;
}

.panel {
  margin: 0 0 2.4rem;
}

.panel-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  text-align: center;
  margin: 0 0 0.4rem;
  border-top: 1px solid #999;
  padding-top: 0.7rem;
}

.panel-description {
  font-family: var(--font-sans);
  font-style: italic;
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--muted);
  text-align: center;
  margin: 0 auto 1rem;
  max-width: 720px;
  padding: 0 0.5rem;
}

.panel-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  background: #888;
}

.panel-image.constrained {
  max-height: 600px;
  object-fit: contain;
}

/* Multi-image panel (e.g., SPC Day 1/2/3) */
.panel-multi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin: 0;
}

.panel-multi-grid figure {
  margin: 0;
  text-align: center;
}

.panel-multi-grid img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  background: #888;
}

.panel-multi-grid figcaption {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-top: 0.4rem;
}

@media (max-width: 700px) {
  .panel-multi-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
}

/* ---------- Status + error ---------- */

#status {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--muted);
  text-align: center;
  margin-top: 1rem;
}

.error {
  text-align: center;
  padding: 3rem 1rem;
  color: #800;
}

/* ---------- Footer ---------- */

footer {
  padding: 1.5rem 1rem 2.5rem;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.7;
}

footer .footer-name {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.02em;
}

footer .footer-sources {
  display: block;
  margin-top: 0.3rem;
}

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

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

/* ---------- ImageLoop (frame-swap player for full-frame images) ---------- */
/* Used for the surface-forecast loop on the landing page. All frames are
   stacked in a single CSS Grid cell; only the current frame has opacity 1.
   Container takes size from the largest frame's intrinsic dimensions. */

.image-loop-wrap {
  position: relative;
  width: 100%;
  background: var(--map-bg);
}

.image-loop-frames {
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
}

.image-loop-frame {
  grid-row: 1;
  grid-column: 1;
  width: 100%;
  height: auto;
  display: block;
  transition: opacity 60ms linear;
}

.image-loop-unavailable {
  grid-row: 1;
  grid-column: 1;
  padding: 3rem 1rem;
  text-align: center;
  font-family: var(--font-sans);
  font-style: italic;
  color: var(--muted);
}

/* ---------- Radar map section ---------- */
/* Radar uses the .panel + .panel-title structure; only map-specific
   classes are defined below. */

.radar-map-wrap {
  position: relative;
  width: 100%;
  height: 500px;
  background: var(--map-bg);
}

@media (max-width: 600px) {
  .radar-map-wrap { height: 360px; }
}

.radar-map {
  width: 100%;
  height: 100%;
}

.radar-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 500;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  padding: 0.25rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  font-weight: 600;
  text-transform: uppercase;
  border-radius: 2px;
  pointer-events: none;
}

.radar-badge.live { background: rgba(232, 153, 35, 0.92); color: #1a1a1a; } /* amber */
.radar-badge.forecast { background: rgba(20, 70, 140, 0.78); }
.radar-badge.empty { background: rgba(80, 80, 80, 0.78); }

.radar-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.25rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--muted);
}

.radar-controls button {
  background: transparent;
  border: 1px solid var(--control-border);
  color: var(--fg);
  padding: 0.15rem 0.7rem;
  font-family: var(--font-mono);
  font-size: inherit;
  cursor: pointer;
  min-width: 2.2rem;
  line-height: 1.2;
}

.radar-controls button:hover {
  background: rgba(0, 0, 0, 0.05);
  border-color: var(--accent);
  color: var(--accent);
}

.radar-controls button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.radar-controls input[type=range] {
  flex: 1;
  min-width: 0;
  accent-color: var(--accent);
}

.radar-timestamp {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--fg);
  white-space: nowrap;
  min-width: 9ch;
  text-align: right;
}

.radar-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  pointer-events: none;
  background: rgba(192, 192, 192, 0.6);
}

/* Tame Leaflet's default chrome */
.leaflet-container {
  background: var(--map-bg);
  font-family: var(--font-sans);
}

.leaflet-control-attribution {
  font-size: 0.65rem !important;
  background: rgba(255, 255, 255, 0.7) !important;
  color: var(--muted) !important;
}

.leaflet-control-attribution a {
  color: var(--fg) !important;
}

.leaflet-control-attribution a:hover {
  color: var(--accent) !important;
}