/* Surf Trip Finder — deep-sea editorial dark. SPEC-015. */

:root {
  --bg: #0a1014;
  --surface: #101922;
  --surface-2: #152230;
  --surface-3: #1a2a3a;
  --border: #1e2c37;
  --border-strong: #2c3f4e;
  --ink: #e9f0f2;
  --ink-2: #9db0bc;
  --ink-3: #63798a;
  --accent: #5fd4c0;
  --accent-dim: rgba(95, 212, 192, 0.14);
  --go: #2dd4a7;
  --worth: #e8b93e;
  --marginal: #e8834a;
  --skip: #e85d5d;
  --neutral-band: #46586a;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, monospace;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 18px 50px -22px rgba(0, 0, 0, 0.65);
  --dur: 220ms;
  --ease: cubic-bezier(0.22, 0.8, 0.36, 1);
}

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

html { color-scheme: dark; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
}

.bg-wash {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1100px 520px at 82% -10%, rgba(45, 122, 130, 0.16), transparent 65%),
    radial-gradient(900px 600px at -8% 18%, rgba(38, 78, 112, 0.18), transparent 60%),
    radial-gradient(700px 700px at 55% 115%, rgba(28, 66, 74, 0.14), transparent 62%);
}

/* ---------- top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 44px);
  border-bottom: 1px solid var(--border);
  background: rgba(10, 16, 20, 0.82);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
  flex-wrap: wrap;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}

.wordmark .mark { width: 26px; height: 26px; color: var(--accent); }

.region-switch {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
  margin-inline: auto;
}

.region-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 18px;
  min-height: 44px;
  border-radius: 999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.region-btn .flag-tag {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  padding: 1px 6px;
  transition: inherit;
}

.region-btn:hover { color: var(--ink); }

.region-btn[aria-pressed="true"] {
  background: var(--accent-dim);
  color: var(--accent);
}
.region-btn[aria-pressed="true"] .flag-tag {
  color: var(--accent);
  border-color: rgba(95, 212, 192, 0.4);
}

.region-btn:focus-visible,
.weekend-card:focus-visible,
.beach-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.topbar-meta {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-3);
  text-align: right;
  line-height: 1.5;
  white-space: nowrap;
}

/* ---------- layout ---------- */

main {
  max-width: 1220px;
  margin: 0 auto;
  padding: clamp(22px, 4vw, 48px) clamp(18px, 4vw, 44px) 20px;
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
}

.loading {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  color: var(--ink-3);
  text-align: center;
  padding: 90px 0;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.section-kicker {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-kicker::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---------- hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(26px, 4vw, 46px);
  position: relative;
  overflow: hidden;
}

.hero-left { display: grid; gap: 18px; align-content: start; }

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-2);
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-verdict {
  font-family: var(--serif);
  font-weight: 380;
  font-size: clamp(58px, 9vw, 112px);
  line-height: 0.95;
  letter-spacing: -0.015em;
}

.hero-verdict em { font-style: italic; }

.v-go { color: var(--go); }
.v-worth_it { color: var(--worth); }
.v-marginal { color: var(--marginal); }
.v-skip { color: var(--skip); }
.v-none { color: var(--ink-3); }

.hero-sub {
  font-size: 16.5px;
  color: var(--ink-2);
  max-width: 46ch;
}
.hero-sub strong { color: var(--ink); font-weight: 600; }

.tier-chips { display: flex; gap: 10px; flex-wrap: wrap; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
}

.chip .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.chip .verdict-word { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.06em; color: var(--ink); }

.hero-right {
  display: grid;
  gap: 22px;
  align-content: start;
  border-left: 1px solid var(--border);
  padding-left: clamp(20px, 3vw, 40px);
}

.conf-block { display: flex; align-items: center; gap: 22px; }

.conf-ring { width: 118px; height: 118px; flex: none; }
.conf-ring .track { stroke: var(--surface-3); }
.conf-ring .arc { transition: stroke-dashoffset 700ms var(--ease); }

.conf-ring text {
  font-family: var(--mono);
  fill: var(--ink);
}

.conf-copy .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 4px;
}

.conf-copy .band-line { font-size: 15px; color: var(--ink-2); max-width: 24ch; }
.conf-copy .band-line strong { color: var(--ink); }

.layers { display: grid; gap: 10px; }

.layer-row {
  display: grid;
  grid-template-columns: 128px 1fr 42px;
  align-items: center;
  gap: 12px;
  font-size: 12.5px;
  color: var(--ink-2);
}

.layer-row .bar {
  height: 6px;
  border-radius: 4px;
  background: var(--surface-3);
  overflow: hidden;
}

.layer-row .bar > i {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #2a7f8f, var(--accent));
}

.layer-row .val {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ---------- weekend rail ---------- */

.rail { display: grid; gap: 14px; }

.rail-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.weekend-card {
  appearance: none;
  text-align: left;
  font-family: var(--sans);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  cursor: pointer;
  display: grid;
  gap: 7px;
  color: var(--ink);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

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

.weekend-card[aria-pressed="true"] {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(95, 212, 192, 0.08), rgba(95, 212, 192, 0.02));
}

.weekend-card .wk-label {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 500;
}

.weekend-card .wk-meta {
  font-size: 12px;
  color: var(--ink-3);
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 6px;
  border: 1px solid;
  width: fit-content;
}

.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.b-go { color: var(--go); border-color: rgba(45, 212, 167, 0.35); background: rgba(45, 212, 167, 0.08); }
.b-worth_it { color: var(--worth); border-color: rgba(232, 185, 62, 0.35); background: rgba(232, 185, 62, 0.08); }
.b-marginal { color: var(--marginal); border-color: rgba(232, 131, 74, 0.35); background: rgba(232, 131, 74, 0.08); }
.b-skip { color: var(--skip); border-color: rgba(232, 93, 93, 0.35); background: rgba(232, 93, 93, 0.08); }
.b-none { color: var(--ink-3); border-color: var(--border-strong); background: var(--surface-2); }

.conf-tag { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }

/* ---------- swell chart ---------- */

.chart-panel { padding: clamp(20px, 3vw, 30px); display: grid; gap: 16px; }

.chart-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }

.chart-title { font-family: var(--serif); font-size: 22px; font-weight: 500; }

.chart-legend {
  display: flex;
  gap: 18px;
  font-size: 12px;
  color: var(--ink-2);
  flex-wrap: wrap;
}

.chart-legend .key { display: inline-flex; align-items: center; gap: 7px; }
.chart-legend .swatch { width: 14px; height: 3px; border-radius: 2px; background: var(--accent); }
.chart-legend .swatch.band { height: 10px; border-radius: 3px; background: rgba(95, 212, 192, 0.18); }
.chart-legend .swatch.wknd { height: 10px; border-radius: 3px; background: rgba(232, 185, 62, 0.12); border: 1px solid rgba(232, 185, 62, 0.3); }

.swell-svg-wrap { position: relative; overflow-x: auto; }
.swell-svg-wrap svg { display: block; width: 100%; height: auto; min-width: 560px; }

.chart-tip {
  position: absolute;
  pointer-events: none;
  background: #0d151c;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 8px 11px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink-2);
  transform: translate(-50%, -110%);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 120ms linear;
  z-index: 5;
}
.chart-tip strong { color: var(--ink); }

.axis-label { font-family: var(--mono); font-size: 10.5px; fill: var(--ink-3); }
.gridline { stroke: var(--border); stroke-width: 1; }

/* ---------- day sections ---------- */

.weekend-detail { display: grid; gap: 18px; }

.day-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(460px, 100%), 1fr));
  gap: 18px;
}

.day-panel { padding: clamp(18px, 2.6vw, 26px); display: grid; gap: 18px; align-content: start; }

.day-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }

.day-title { font-family: var(--serif); font-size: 26px; font-weight: 500; }
.day-title .date { color: var(--ink-3); font-size: 17px; font-style: italic; margin-left: 8px; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 10px;
}

.stat {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: grid;
  gap: 2px;
}

.stat .k {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.stat .v {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.stat .v small { font-size: 11px; color: var(--ink-2); font-weight: 400; margin-left: 3px; }

.tide-wrap svg { display: block; width: 100%; height: auto; }
.tide-caption {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
  margin-top: 6px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- beach board ---------- */

.beach-list { display: grid; gap: 10px; }

.beach-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  overflow: hidden;
}

.beach-card.best { border-color: rgba(95, 212, 192, 0.45); }

.beach-toggle {
  appearance: none;
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  cursor: pointer;
  min-height: 48px;
  text-align: left;
}

.beach-toggle:hover { background: rgba(255, 255, 255, 0.02); }

.beach-name { font-weight: 600; font-size: 15px; display: flex; align-items: center; gap: 8px; }

.best-star { color: var(--accent); display: inline-flex; }
.best-star svg { width: 14px; height: 14px; }

.beach-face { font-family: var(--mono); font-size: 12px; color: var(--ink-3); margin-left: auto; white-space: nowrap; }

.tier-scores { display: flex; gap: 6px; }

.score-pill {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  min-width: 40px;
  text-align: center;
  padding: 4px 0;
  border-radius: 6px;
  font-variant-numeric: tabular-nums;
}

.caret { color: var(--ink-3); transition: transform var(--dur) var(--ease); flex: none; }
.beach-card.open .caret { transform: rotate(180deg); }

.beach-detail { display: none; border-top: 1px solid var(--border); padding: 16px; gap: 16px; }
.beach-card.open .beach-detail { display: grid; }

.beach-summary { font-size: 13px; color: var(--ink-2); font-style: italic; font-family: var(--serif); }

.tier-detail-grid { display: grid; gap: 14px; }

.tier-block { display: grid; gap: 8px; }

.tier-block-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
}

.tier-block-head .score { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.tier-block-head .window { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); font-weight: 400; margin-left: auto; }

.subscores { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 6px 16px; }

.subscore {
  display: grid;
  grid-template-columns: 82px 1fr 30px;
  gap: 8px;
  align-items: center;
  font-size: 11.5px;
  color: var(--ink-3);
}

.subscore .bar { height: 4px; border-radius: 3px; background: var(--surface-3); overflow: hidden; }
.subscore .bar > i { display: block; height: 100%; border-radius: 3px; }
.subscore .val { font-family: var(--mono); font-size: 11px; text-align: right; color: var(--ink-2); font-variant-numeric: tabular-nums; }

.exclusions { display: flex; gap: 8px; flex-wrap: wrap; }

.excl-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--skip);
  border: 1px solid rgba(232, 93, 93, 0.3);
  background: rgba(232, 93, 93, 0.07);
  border-radius: 6px;
  padding: 3px 8px;
}

.hazards { font-size: 12px; color: var(--ink-3); }
.hazards strong { color: var(--ink-2); font-weight: 600; }

/* ---------- empty / opens ---------- */

.opens-note {
  padding: 34px;
  text-align: center;
  color: var(--ink-3);
  font-family: var(--serif);
  font-style: italic;
  font-size: 19px;
}

/* ---------- footer ---------- */

.footer {
  max-width: 1220px;
  margin: 0 auto;
  padding: 10px clamp(18px, 4vw, 44px) 42px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  line-height: 1.8;
}

/* ---------- responsive ---------- */

body { overflow-x: clip; }
main > *, .day-panel, .beach-card { min-width: 0; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-right { border-left: 0; padding-left: 0; border-top: 1px solid var(--border); padding-top: 22px; }
  .topbar { gap: 12px; }
  .topbar-meta { display: none; }
  .region-switch { margin-inline: 0 auto; }
}

@media (max-width: 560px) {
  .beach-toggle { flex-wrap: wrap; row-gap: 6px; }
  .beach-name { flex-basis: 100%; }
  .beach-face { margin-left: 0; }
  .hero-verdict { font-size: clamp(52px, 17vw, 72px); }
  .layer-row { grid-template-columns: 108px 1fr 36px; }
}

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