/* ---------- Design tokens ---------- */
:root {
  --bg: #0a0d10;
  --panel: #12171d;
  --panel-raised: #171d24;
  --border: #232b33;
  --text: #e7edf2;
  --text-muted: #8a97a3;
  --amber: #ffb238;
  --amber-dim: #7a5a1e;
  --cyan: #38c6d9;
  --red: #ff5c5c;
  --green: #4cd97b;
  --yellow: #ffd94a;

  --font-display: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius: 8px;
  --gap: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
}

body {
  background-image:
    repeating-linear-gradient(90deg, rgba(255, 178, 56, 0.035) 0 1px, transparent 1px 48px);
}

h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.01em; margin: 0; }

code, .raw-taf { font-family: var(--font-display); }

a { color: var(--cyan); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--amber);
  color: #000;
  padding: 8px 16px;
  z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--panel), var(--bg));
  padding: 20px 20px 12px;
}

.header-inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 1200px;
  margin: 0 auto;
}

.header-title-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

@media (min-width: 640px) {
  .header-title-block { flex-direction: row; align-items: center; gap: 24px; }
}

.brand-logo {
  height: 64px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

@media (min-width: 640px) {
  .brand-logo { height: 84px; }
}

@media (min-width: 1000px) {
  .brand-logo { height: 100px; }
}

.header-title-text {
  min-width: 0;
}

.eyebrow {
  display: block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: 6px;
}

.header-title-block h1 {
  font-size: clamp(1.4rem, 4vw, 2.1rem);
  font-weight: 700;
}

/* ---------- Buttons ---------- */
.primary-btn, .secondary-btn, .expand-btn {
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
}

.primary-btn {
  background: var(--amber);
  color: #17110a;
  padding: 10px 18px;
  font-size: 0.95rem;
}
.primary-btn:hover { background: #ffc766; }
.primary-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.secondary-btn {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
  padding: 8px 14px;
}
.secondary-btn:hover { border-color: var(--amber); color: var(--amber); }

.expand-btn {
  background: var(--panel-raised);
  color: var(--cyan);
  border-color: var(--border);
  padding: 4px 10px;
  font-size: 0.8rem;
}

button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- Status / error ---------- */
.status-bar {
  max-width: 1200px;
  margin: 16px auto 0;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

#status-message { color: var(--text-muted); font-size: 0.9rem; margin: 0; flex: 1; }

.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; border-top-color: var(--amber); }
}
@keyframes spin { to { transform: rotate(360deg); } }

.error-panel {
  max-width: 1200px;
  margin: 16px auto 0;
  padding: 16px 20px;
  background: rgba(255, 92, 92, 0.08);
  border: 1px solid rgba(255, 92, 92, 0.4);
  border-radius: var(--radius);
}
.error-panel h2 { font-size: 1.05rem; color: var(--red); margin-bottom: 8px; }
.error-panel p { margin: 6px 0; font-size: 0.9rem; }
.error-detail { color: var(--text-muted); font-family: var(--font-display); font-size: 0.78rem; }

/* ---------- Summary cards ---------- */
.summary-cards {
  max-width: 1200px;
  margin: 16px auto 0;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
@media (min-width: 720px) {
  .summary-cards { grid-template-columns: repeat(6, 1fr); }
}

.summary-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}
.summary-value {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--amber);
  font-weight: 700;
}
.summary-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- Map ---------- */
.map-section {
  max-width: 1200px;
  margin: 16px auto 0;
  padding: 0 20px;
}

.map-heading {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
  margin: 0 0 10px;
}

.map-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.map-wrap {
  width: 100%;
  height: 420px;
  border-radius: 6px;
  overflow: hidden;
  background: #060708; /* shows briefly while tiles load */
}

@media (max-width: 640px) {
  .map-wrap { height: 300px; }
}

.map-caption {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  min-height: 1.4em;
}

.map-caption-icao {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--yellow);
  font-size: 1.05rem;
}

.map-caption-detail {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Custom marker: a pulsing yellow dot rendered via a Leaflet divIcon. */
.map-marker-dot-wrap { position: relative; width: 24px; height: 24px; }

.map-marker-dot {
  position: absolute;
  top: 50%; left: 50%;
  width: 12px; height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: var(--yellow);
  border: 2px solid #0a0d10;
  box-shadow: 0 0 6px rgba(255, 217, 74, 0.8);
}

.map-marker-ring {
  position: absolute;
  top: 50%; left: 50%;
  width: 12px; height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  border: 1.5px solid var(--yellow);
  opacity: 0.55;
  animation: map-pulse 2.2s ease-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .map-marker-ring { animation: none; }
}

@keyframes map-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(3.2); opacity: 0; }
}

/* ---------- Leaflet dark-theme overrides ---------- */
.leaflet-container {
  background: #060708;
  font-family: var(--font-body);
}

.leaflet-control-zoom a {
  background: var(--panel-raised) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}
.leaflet-control-zoom a:hover { background: var(--border) !important; color: var(--amber) !important; }

.leaflet-control-attribution {
  background: rgba(10, 13, 16, 0.75) !important;
  color: var(--text-muted) !important;
  font-size: 0.68rem !important;
}
.leaflet-control-attribution a { color: var(--cyan) !important; }

.leaflet-popup-content-wrapper {
  background: var(--panel-raised) !important;
  color: var(--text) !important;
  border: 1px solid var(--border);
  border-radius: 6px !important;
}
.leaflet-popup-tip { background: var(--panel-raised) !important; }
.leaflet-popup-close-button { color: var(--text-muted) !important; }

.map-popup-inner { display: flex; flex-direction: column; gap: 2px; padding: 2px; }
.map-popup-icao { font-family: var(--font-display); font-weight: 700; color: var(--yellow); font-size: 0.95rem; }
.map-popup-detail { font-size: 0.8rem; color: var(--text); }
.map-popup-gust { font-size: 0.8rem; color: var(--text-muted); }

/* ---------- Filters ---------- */

.filters-panel {
  max-width: 1200px;
  margin: 20px auto 0;
  padding: 16px 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 720px) {
  .filters-panel { grid-template-columns: repeat(3, 1fr); margin-left: 20px; margin-right: 20px; }
}
@media (min-width: 1100px) {
  .filters-panel { grid-template-columns: repeat(6, 1fr); margin-left: auto; margin-right: auto; }
}

.filter-group { display: flex; flex-direction: column; gap: 6px; }
.filter-group label, .filter-group-label { font-size: 0.78rem; color: var(--text-muted); }

.filter-group select, .filter-group input[type="text"], .filter-group input[type="number"] {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 8px 10px;
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.filter-group-checkboxes { gap: 8px; }
.checkbox-label { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--text); }

.toggle-label { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; }

/* ---------- Leaderboard ---------- */
.leaderboard-region {
  max-width: 1200px;
  margin: 20px auto 40px;
  padding: 0 20px;
}

.empty-state {
  color: var(--text-muted);
  padding: 24px;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.leaderboard-table thead th {
  position: sticky;
  top: 0;
  background: var(--panel-raised);
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.leaderboard-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  vertical-align: middle;
}

.leaderboard-row:hover { background: rgba(255, 178, 56, 0.04); }
.leaderboard-row.expanded { background: rgba(56, 198, 217, 0.06); }

.gust-value { font-family: var(--font-display); color: var(--amber); font-weight: 700; }

.badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  white-space: nowrap;
}
.badge-PREVAILING { border-color: var(--green); color: var(--green); }
.badge-FM { border-color: var(--cyan); color: var(--cyan); }
.badge-BECMG { border-color: var(--cyan); color: var(--cyan); }
.badge-TEMPO { border-color: var(--amber); color: var(--amber); }
.badge-PROB { border-color: var(--red); color: var(--red); }
.badge-PROB_TEMPO { border-color: var(--red); color: var(--red); }

.detail-row td { background: var(--panel-raised); padding: 16px; }
.detail-panel p { margin: 0 0 10px; font-size: 0.85rem; }
.raw-taf-label { color: var(--text-muted); font-size: 0.75rem; text-transform: uppercase; margin-top: 14px !important; }
.raw-taf {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--cyan);
}

.segment-table { width: 100%; border-collapse: collapse; margin-top: 6px; }
.segment-table th, .segment-table td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
}
.segment-table .winning-segment { background: rgba(255, 178, 56, 0.1); }

/* Mobile card layout for the leaderboard table */
@media (max-width: 880px) {
  .leaderboard-table thead { display: none; }
  .leaderboard-table, .leaderboard-table tbody, .leaderboard-table tr, .leaderboard-table td {
    display: block;
    width: 100%;
  }
  .leaderboard-row {
    border-bottom: 1px solid var(--border);
    padding: 10px 12px;
  }
  .leaderboard-table td {
    border: none;
    padding: 4px 0;
    display: flex;
    justify-content: space-between;
    gap: 10px;
  }
  .leaderboard-table td[data-label]::before {
    content: attr(data-label);
    color: var(--text-muted);
    font-size: 0.72rem;
    text-transform: uppercase;
  }
  .leaderboard-table td:last-child { justify-content: flex-end; }
  .detail-row td { display: block; }
}

/* ---------- Footer ---------- */
.site-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  color: var(--text-muted);
  font-size: 0.78rem;
  border-top: 1px solid var(--border);
}