/* ETHERSEA - design tokens */
:root {
  --prussian: #0a2942;
  --abyss: #050a14;
  --rust: #c64619;
  --sonar: #2dc8d2;
  --beacon: #e8c548;
  --chart: #e8eef2;
  --chart-dim: #8a99a8;
  --chart-faint: #3a4855;
  --hairline: rgba(232, 238, 242, 0.08);
  --hairline-strong: rgba(232, 238, 242, 0.18);
  --panel: rgba(10, 41, 66, 0.55);
  --panel-solid: #0c1e30;
  --inter: "Inter", system-ui, sans-serif;
  --mono: "Space Mono", "JetBrains Mono", ui-monospace, monospace;
  --captain: "Cormorant SC", "Cormorant Garamond", serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--abyss);
  color: var(--chart);
  font-family: var(--inter);
  font-feature-settings: "ss01", "cv11", "tnum";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* Ocean canvas (fullscreen, fixed, behind everything) */
#ocean {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  background: #04070d;
}

/* Sonar overlay canvas - sits above ocean, receives clicks */
#sonar-fx {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
}

/* Content layer */
.deck {
  position: relative;
  z-index: 5;
}

/* Type primitives */
.mono { font-family: var(--mono); font-feature-settings: "tnum"; letter-spacing: 0.02em; }
.captain {
  font-family: var(--captain);
  font-weight: 500;
  letter-spacing: 0.06em;
  font-variant: small-caps;
  font-style: italic;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--chart-dim);
}
.huge {
  font-family: var(--captain);
  font-weight: 500;
  font-size: clamp(56px, 9vw, 132px);
  line-height: 0.92;
  letter-spacing: 0.02em;
  color: var(--chart);
  font-variant: small-caps;
}
hr.rule {
  border: 0;
  border-top: 1px solid var(--hairline-strong);
  margin: 0;
}

/* Bridge chrome - top status bar shared across pages */
.bridge-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 220px 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 14px 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--chart-dim);
  border-bottom: 1px solid var(--hairline);
  background:
    linear-gradient(180deg, rgba(5,10,20,0.92), rgba(5,10,20,0.55));
  backdrop-filter: blur(6px);
}
.bridge-bar .mark {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--chart);
  letter-spacing: 0.32em;
}
.bridge-bar .mark .glyph {
  width: 18px; height: 18px;
  display: grid; place-items: center;
  border: 1px solid var(--chart);
  position: relative;
}
.bridge-bar .mark .glyph::before {
  content: "";
  position: absolute; inset: 3px;
  border: 1px solid var(--chart);
  border-radius: 50%;
}
.bridge-bar nav {
  display: flex; gap: 22px;
  justify-content: center;
}
.bridge-bar nav a {
  color: var(--chart-dim);
  position: relative;
  padding-bottom: 2px;
}
.bridge-bar nav a.on { color: var(--sonar); }
.bridge-bar nav a.on::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--sonar);
}
.bridge-bar .telemetry {
  display: flex; gap: 14px; align-items: center;
  flex-wrap: nowrap;
}
.bridge-bar .telemetry .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--sonar);
  box-shadow: 0 0 8px var(--sonar);
  animation: blink 1.6s infinite ease-in-out;
}
.bridge-bar .telemetry .x-link:hover { color: var(--sonar) !important; }
@keyframes blink { 50% { opacity: 0.2; } }

.wallet-pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  padding: 5px 10px;
  border: 1px solid var(--sonar);
  color: var(--sonar);
  background: rgba(45, 200, 210, 0.08);
}
.btn-bind {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 12px;
  border: 1px solid var(--sonar);
  color: var(--sonar);
  background: transparent;
  cursor: pointer;
}
.btn-bind:hover { background: var(--sonar); color: var(--abyss); }

/* Depth gauge - right edge, scroll-driven */
.depth-gauge {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 25;
  width: 56px;
  height: min(74vh, 620px);
  pointer-events: none;
  font-family: var(--mono);
  color: var(--chart-dim);
  font-size: 10px;
  letter-spacing: 0.08em;
}
.depth-gauge .track {
  position: absolute;
  left: 26px; top: 8px; bottom: 8px;
  width: 1px;
  background:
    linear-gradient(180deg,
      var(--sonar) 0%,
      var(--chart-faint) 12%,
      var(--prussian) 60%,
      var(--rust) 100%);
  opacity: 0.7;
}
.depth-gauge .tick {
  position: absolute;
  left: 22px;
  width: 9px;
  height: 1px;
  background: var(--chart-faint);
}
.depth-gauge .tick.major {
  width: 14px;
  left: 19px;
  background: var(--chart-dim);
}
.depth-gauge .tick span {
  position: absolute;
  right: 22px;
  top: -6px;
  white-space: nowrap;
  color: var(--chart-faint);
}
.depth-gauge .tick.major span { color: var(--chart-dim); }
.depth-gauge .needle {
  position: absolute;
  left: 0; right: 0;
  height: 18px;
  top: 0;
  transform: translateY(var(--needle-y, 0px));
  transition: transform 0.18s cubic-bezier(.2, 1.6, .35, 1);
  display: flex;
  align-items: center;
  gap: 6px;
}
.depth-gauge .needle::before {
  content: "";
  width: 10px; height: 10px;
  border: 1px solid var(--beacon);
  background: rgba(232,197,72,0.18);
  transform: rotate(45deg);
  margin-left: 21px;
  box-shadow: 0 0 10px rgba(232,197,72,0.5);
}
.depth-gauge .readout {
  position: absolute;
  left: -100px;
  width: 92px;
  top: 0;
  transform: translateY(var(--needle-y, 0px));
  transition: transform 0.18s cubic-bezier(.2, 1.6, .35, 1);
  text-align: right;
  font-size: 10px;
  color: var(--beacon);
  line-height: 1.1;
}
.depth-gauge .readout b {
  display: block;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--beacon);
}
.depth-gauge .readout small {
  color: var(--chart-dim);
  font-size: 9px;
}

/* Generic panel */
.panel {
  background: rgba(5, 14, 24, 0.62);
  backdrop-filter: blur(8px);
  border: 1px solid var(--hairline-strong);
  position: relative;
}
.panel .corners::before,
.panel .corners::after,
.panel .corners > i::before,
.panel .corners > i::after {
  content: "";
  position: absolute;
  width: 10px; height: 10px;
  border: 1px solid var(--chart-dim);
}
.panel .corners::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.panel .corners::after { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.panel .corners > i::before { bottom: -1px; left: -1px; border-right: 0; border-top: 0; position: absolute; }
.panel .corners > i::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; position: absolute; }

/* Caption rows */
.kv {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 4px 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}
.kv dt { color: var(--chart-dim); text-transform: uppercase; }
.kv dd { margin: 0; color: var(--chart); }

/* Vessel card */
.vessel {
  position: relative;
  border: 1px solid var(--hairline-strong);
  background: linear-gradient(180deg, rgba(10,41,66,0.55), rgba(5,10,20,0.65));
  padding: 22px;
  cursor: crosshair;
  transition: border-color 0.2s;
}
.vessel:hover { border-color: var(--sonar); }
.vessel .vid {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--sonar);
  text-transform: uppercase;
}
.vessel h3 {
  font-family: var(--captain);
  font-weight: 500;
  font-variant: small-caps;
  letter-spacing: 0.04em;
  margin: 6px 0 14px;
  font-size: 26px;
  color: var(--chart);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border: 1px solid var(--chart);
  color: var(--chart);
  background: transparent;
  cursor: pointer;
  transition: all 0.15s;
}
.btn.primary {
  background: var(--rust);
  border-color: var(--rust);
  color: var(--chart);
}
.btn:hover { background: rgba(232,238,242,0.08); }
.btn.primary:hover { background: #d8531e; }
.btn.ghost { border-color: var(--hairline-strong); color: var(--chart-dim); }

/* Footer */
.bridge-foot {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
  padding: 60px 36px 36px;
  border-top: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--chart-dim);
}
.bridge-foot h5 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--chart);
  margin: 0 0 12px;
}
.bridge-foot ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  #ocean { background: linear-gradient(180deg, #0a2942 0%, #050a14 70%, #1a0a04 100%); }
  .needle, .readout { transition: none !important; }
}