:root {
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Warm SoCal palette — light mode */
  --bg-body: #FDF8F0;
  --bg-card: #FFFFFF;
  --bg-card-rgb: 255, 255, 255;
  --bg-elevated: #FFF9F2;
  --bg-hover: #FFF3E8;
  --border: #E8DDD0;
  --border-strong: #D4C4B0;
  --text-primary: #2A2118;
  --text-secondary: #6B5E52;
  --text-tertiary: #9A8D7E;
  --accent: #D4654A;
  --accent-hover: #B8533A;
  --accent-light: #FCE8E3;
  --accent-dark: #8C3A26;

  /* Status colors */
  --ok: #4A9B6B;
  --ok-bg: #E8F5EE;
  --stale: #C9962E;
  --stale-bg: #FDF4D8;
  --error: #C44B4B;
  --error-bg: #FCE8E8;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(42,33,24,0.05);
  --shadow: 0 4px 12px rgba(42,33,24,0.08);
  --shadow-lg: 0 8px 24px rgba(42,33,24,0.12);

  /* Spacing */
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 16px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 250ms ease;
}

/* Dark mode overrides */
[data-theme="dark"] {
  --bg-body: #1C1814;
  --bg-card: #25201B;
  --bg-card-rgb: 37, 32, 27;
  --bg-elevated: #2E2821;
  --bg-hover: #3A322A;
  --border: #3E362E;
  --border-strong: #52493F;
  --text-primary: #F0E8DE;
  --text-secondary: #B0A594;
  --text-tertiary: #857A6E;
  --accent: #E8886F;
  --accent-hover: #F0A08A;
  --accent-light: #3E2A22;
  --accent-dark: #F5B8A8;
  --ok: #6BC48F;
  --ok-bg: #1E3A2B;
  --stale: #E5B84A;
  --stale-bg: #3A2E0E;
  --error: #E56B6B;
  --error-bg: #3A1A1A;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow: 0 4px 12px rgba(0,0,0,0.35);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-body: #1C1814;
    --bg-card: #25201B;
    --bg-card-rgb: 37, 32, 27;
    --bg-elevated: #2E2821;
    --bg-hover: #3A322A;
    --border: #3E362E;
    --border-strong: #52493F;
    --text-primary: #F0E8DE;
    --text-secondary: #B0A594;
    --text-tertiary: #857A6E;
    --accent: #E8886F;
    --accent-hover: #F0A08A;
    --accent-light: #3E2A22;
    --accent-dark: #F5B8A8;
    --ok: #6BC48F;
    --ok-bg: #1E3A2B;
    --stale: #E5B84A;
    --stale-bg: #3A2E0E;
    --error: #E56B6B;
    --error-bg: #3A1A1A;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow: 0 4px 12px rgba(0,0,0,0.35);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.45);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* Header */
.site-header {
  background: rgba(var(--bg-card-rgb), 0.92);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
}

.brand h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-primary);
}

.subtitle {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-top: 2px;
  font-weight: 500;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
  flex-shrink: 0;
}

.status-dot.ok { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-bg); }
.status-dot.stale { background: var(--stale); box-shadow: 0 0 0 3px var(--stale-bg); }
.status-dot.error { background: var(--error); box-shadow: 0 0 0 3px var(--error-bg); }

.refresh-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.last-updated {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

.btn-refresh {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-body);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-refresh:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-refresh:active { transform: scale(0.96); }

.btn-refresh.spinning svg { animation: spin 800ms linear infinite; }

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

.countdown {
  font-variant-numeric: tabular-nums;
  min-width: 1.2em;
  text-align: center;
}

/* Controls */
.controls {
  margin: var(--space-lg) 0;
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.search-box { flex: 1 1 240px; min-width: 200px; }
.search-box input {
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.search-box input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.search-box input::placeholder { color: var(--text-tertiary); }

.filter-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.filter-group select,
.toggle-group .toggle-btn {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.toggle-group {
  display: inline-flex;
  gap: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-strong);
}

.toggle-group .toggle-btn {
  border: none;
  border-radius: 0;
  background: var(--bg-body);
  color: var(--text-tertiary);
  font-weight: 600;
  padding: 8px 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.toggle-group .toggle-btn + .toggle-btn { border-left: 1px solid var(--border); }

.toggle-group .toggle-btn:hover { background: var(--bg-hover); color: var(--text-secondary); }
.toggle-group .toggle-btn.active {
  background: var(--accent);
  color: #fff;
}
.toggle-group .toggle-btn.active:hover { background: var(--accent-hover); }

/* Error banner */
.error-banner {
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  border-radius: var(--radius);
  background: var(--error-bg);
  border: 1px solid rgba(196,75,75,0.25);
}

.error-inner {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--error);
  font-weight: 600;
  font-size: 0.9375rem;
}

.btn-text {
  margin-left: auto;
  background: transparent;
  border: none;
  color: var(--accent);
  font-weight: 700;
  cursor: pointer;
  font-size: inherit;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}
.btn-text:hover { background: rgba(212,101,74,0.1); }

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1400px) { .grid { grid-template-columns: repeat(4, 1fr); } }

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}

.card.status-ok { border-left: 3px solid var(--ok); }
.card.status-stale { border-left: 3px solid var(--stale); border-color: var(--stale); }
.card.status-error { border-left: 3px solid var(--error); border-color: var(--error); }

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 0;
}

.station-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent-dark);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.station-name {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.type-icon {
  font-size: 1.125rem;
  flex-shrink: 0;
}

.card-status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.card-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.card-body { margin-bottom: var(--space-sm); }

.temp-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: 2px;
}

.temp-main {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.temp-secondary {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  font-weight: 600;
}

.feels-like {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.weather-desc {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.weather-icon { font-size: 1.25rem; line-height: 1; }

.nws-desc {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  font-style: italic;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: var(--space-sm);
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
}

.metric-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
}

.metric-value {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.metric-unit {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
}

.wind-arrow {
  display: inline-block;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.marine-section {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px dashed var(--border);
}

.marine-title {
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

.source-badges {
  display: flex;
  gap: 6px;
}

.source-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-body);
  font-weight: 700;
  font-size: 0.625rem;
  letter-spacing: 0.03em;
}

.source-badge.ok { color: var(--ok); }
.source-badge.missing { color: var(--text-tertiary); opacity: 0.6; }

.error-msg {
  margin-top: var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  background: var(--error-bg);
  color: var(--error);
  font-size: 0.8125rem;
  font-weight: 600;
}

/* Compact view */
.compact .card { padding: var(--space-sm); }
.compact .temp-main { font-size: 1.75rem; }
.compact .metrics { grid-template-columns: repeat(3, 1fr); gap: var(--space-xs); }
.compact .metric { padding: 6px; }
.compact .metric-value { font-size: 0.8125rem; }
.compact .weather-desc { font-size: 0.8125rem; }
.compact .feels-like,
.compact .nws-desc,
.compact .marine-section,
.compact .card-footer { display: none; }

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-hover) 50%, var(--bg-elevated) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card .skeleton-title { height: 18px; width: 40%; margin-bottom: var(--space-sm); }
.skeleton-card .skeleton-temp { height: 48px; width: 50%; margin-bottom: var(--space-sm); }
.skeleton-card .skeleton-line { height: 14px; width: 70%; margin-bottom: 8px; }
.skeleton-card .skeleton-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.skeleton-card .skeleton-metric { height: 42px; }

/* Empty state */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  color: var(--text-tertiary);
}
.empty-state-icon { font-size: 3rem; margin-bottom: var(--space-sm); opacity: 0.5; }
.empty-state-title { font-size: 1.125rem; font-weight: 700; color: var(--text-secondary); margin-bottom: 4px; }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-md);
  overflow-y: auto;
  border: none;
  background: transparent;
  max-width: 100vw;
  max-height: 100vh;
  width: 100%;
  height: 100%;
}

.modal[open] { display: flex; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(4px);
  cursor: pointer;
}

.modal-panel {
  position: relative;
  z-index: 101;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 720px;
  margin-top: 5vh;
  margin-bottom: var(--space-xl);
  overflow: hidden;
  animation: modalIn 250ms ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.modal-subtitle {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.modal-close {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.modal-body {
  padding: var(--space-lg);
  max-height: 70vh;
  overflow-y: auto;
}

.detail-section {
  margin-bottom: var(--space-lg);
}

.detail-section:last-child { margin-bottom: 0; }

.detail-section-title {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: 6px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

@media (min-width: 640px) {
  .detail-grid { grid-template-columns: repeat(3, 1fr); }
}

.detail-item {
  padding: var(--space-sm);
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
}

.detail-key {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: 2px;
}

.detail-value {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-primary);
  word-break: break-word;
}

.raw-json {
  background: var(--bg-body);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--text-secondary);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 320px;
  overflow-y: auto;
}

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  padding: var(--space-md) 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

.footer-note { font-size: 0.75rem; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}