:root {
  --navy: #0B2545;
  --navy-deep: #061830;
  --cream: #EDE6D6;
  --cream-soft: #F5F1E6;
  --brass: #C08A3E;
  --brass-bright: #D9A75C;
  --danger: #B33A3A;
  --slate: #5C6B73;
  --ink: #1A1F26;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Sans 3', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--navy-deep);
  color: var(--cream);
  font-family: var(--font-body);
  height: 100%;
}

/* ---------- Masthead ---------- */
.masthead {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
  border-bottom: 1px solid rgba(192, 138, 62, 0.35);
  padding: 18px 28px;
}
.masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark { width: 34px; height: 34px; color: var(--brass-bright); flex-shrink: 0; }
.brand h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  margin: 0;
  letter-spacing: 0.01em;
  color: var(--cream);
}
.tagline {
  margin: 0;
  font-size: 0.78rem;
  color: var(--slate);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.masthead-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--brass-bright);
  text-align: right;
}

/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 0;
  height: calc(100vh - 78px);
  max-width: 1400px;
  margin: 0 auto;
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; height: auto; }
}

/* ---------- Chart pane (map) ---------- */
.chart-pane {
  position: relative;
  background: var(--navy-deep);
  border-right: 1px solid rgba(192, 138, 62, 0.25);
}
#map {
  width: 100%;
  height: 100%;
  min-height: 480px;
  filter: saturate(0.9);
}
.chart-overlay-toggle {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 500;
}
.ghost-btn {
  background: rgba(11, 37, 69, 0.88);
  border: 1px solid var(--brass);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.82rem;
  padding: 8px 14px;
  border-radius: 3px;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: background 0.15s ease;
}
.ghost-btn:hover { background: rgba(192, 138, 62, 0.25); }

.windy-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  z-index: 400;
}
.windy-frame.hidden { display: none; }

/* ---------- Instrument panel ---------- */
.instrument-panel {
  background: var(--navy);
  padding: 24px 22px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.instrument-group {
  border-bottom: 1px solid rgba(192, 138, 62, 0.18);
  padding-bottom: 20px;
}
.instrument-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 10px 0;
  color: var(--brass-bright);
  letter-spacing: 0.02em;
}
.instrument-note {
  font-size: 0.76rem;
  color: var(--slate);
  margin: 8px 0 0 0;
  line-height: 1.4;
}
.instrument-select {
  width: 100%;
  background: var(--navy-deep);
  color: var(--cream);
  border: 1px solid rgba(192, 138, 62, 0.4);
  border-radius: 3px;
  padding: 9px 10px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  margin-bottom: 8px;
}
.instrument-select:focus { outline: 2px solid var(--brass-bright); outline-offset: 1px; }

.wind-source-toggle {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}
.toggle-btn {
  flex: 1;
  background: var(--navy-deep);
  border: 1px solid rgba(192, 138, 62, 0.35);
  color: var(--slate);
  font-family: var(--font-body);
  font-size: 0.74rem;
  padding: 7px 4px;
  border-radius: 3px;
  cursor: pointer;
}
.toggle-btn.active {
  background: var(--brass);
  color: var(--navy-deep);
  border-color: var(--brass);
  font-weight: 600;
}
.toggle-btn:focus-visible { outline: 2px solid var(--brass-bright); }

.dial-row { display: flex; gap: 10px; }
.dial-field { flex: 1; }
.dial-field label {
  display: block;
  font-size: 0.72rem;
  color: var(--slate);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.dial-field input {
  width: 100%;
  background: var(--navy-deep);
  color: var(--brass-bright);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  border: 1px solid rgba(192, 138, 62, 0.4);
  border-radius: 3px;
  padding: 8px 10px;
}
.dial-field input:focus { outline: 2px solid var(--brass-bright); outline-offset: 1px; }

.primary-btn {
  background: var(--brass);
  color: var(--navy-deep);
  border: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.primary-btn:hover { background: var(--brass-bright); }
.primary-btn:focus-visible { outline: 2px solid var(--cream); outline-offset: 2px; }
.primary-btn:disabled { opacity: 0.5; cursor: wait; }

/* ---------- Results ---------- */
#results-pane { display: flex; flex-direction: column; gap: 10px; }

.race-card {
  background: var(--navy-deep);
  border: 1px solid rgba(192, 138, 62, 0.25);
  border-radius: 4px;
  padding: 12px 14px;
  position: relative;
}
.race-card.fastest {
  border-color: var(--brass-bright);
  background: linear-gradient(135deg, rgba(192, 138, 62, 0.14), var(--navy-deep));
}
.race-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}
.race-card-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cream);
}
.race-card-time {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--brass-bright);
  font-weight: 600;
}
.race-card.fastest .race-card-time { color: var(--brass-bright); }
.wax-seal {
  display: inline-block;
  background: var(--danger);
  color: var(--cream);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 7px;
  border-radius: 9px;
  text-transform: uppercase;
  margin-left: 8px;
  vertical-align: middle;
}
.race-card-order {
  font-size: 0.74rem;
  color: var(--slate);
  font-family: var(--font-mono);
}
.race-card-legs {
  margin-top: 8px;
  font-size: 0.72rem;
  color: var(--slate);
  font-family: var(--font-mono);
  line-height: 1.5;
}
.race-card-legs span.twa-warn { color: var(--danger); }

.empty-state {
  color: var(--slate);
  font-size: 0.85rem;
  text-align: center;
  padding: 30px 10px;
  border: 1px dashed rgba(192, 138, 62, 0.3);
  border-radius: 4px;
}

/* Leaflet marker label tweak */
.mark-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--navy-deep);
  color: var(--brass-bright);
  border: 1px solid var(--brass);
  padding: 2px 6px;
  border-radius: 3px;
  white-space: nowrap;
}

/* Scrollbar (webkit) to match theme */
.instrument-panel::-webkit-scrollbar { width: 8px; }
.instrument-panel::-webkit-scrollbar-thumb { background: rgba(192, 138, 62, 0.4); border-radius: 4px; }
.instrument-panel::-webkit-scrollbar-track { background: transparent; }