:root {
  --bg: #070f18;
  --panel: #0e1a28;
  --panel-2: #132436;
  --line: #1e3348;
  --ink: #e8f1f8;
  --dim: #8aa3b8;
  --faint: #5c748a;
  --accent: #4fd1c5;
  --gold: #e9d8a6;
  --pos: #6ee7b7;
  --neg: #f8a5a5;
  --warn: #f5c56b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 860px;
  margin: 0 auto;
  padding: 16px 16px 48px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* --- header --------------------------------------------------------------- */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand .mark { font-size: 22px; }
.brand em {
  font-style: normal;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 7px;
}

.wallet { text-align: right; }
.cash {
  font-size: 24px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
  line-height: 1.1;
}
.rate { font-size: 12px; color: var(--dim); font-variant-numeric: tabular-nums; }

/* --- stage ---------------------------------------------------------------- */

.stage {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--panel);
}

#sea { display: block; width: 100%; height: 190px; }

.statusbar { padding: 12px 14px 14px; border-top: 1px solid var(--line); }

.phase {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 8px;
}

.track { height: 4px; background: #0a1420; border-radius: 999px; overflow: hidden; }
.track .fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.1s linear;
}

.gauges { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.gauge { display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 8px; }
.gauge label { font-size: 11px; color: var(--faint); text-transform: uppercase; letter-spacing: 0.06em; }
.gauge span { font-size: 11px; color: var(--dim); font-variant-numeric: tabular-nums; }
.bar { height: 7px; background: #0a1420; border-radius: 999px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); border-radius: 999px; }
.bar.fuel i { background: var(--warn); }

.blocked {
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(248, 165, 165, 0.1);
  border: 1px solid rgba(248, 165, 165, 0.25);
  color: var(--neg);
  font-size: 12px;
}

/* --- panels --------------------------------------------------------------- */

.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  padding: 14px;
}

.panel h2 {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.panel h2 small { font-weight: 600; letter-spacing: 0.04em; text-transform: none; color: var(--dim); }
.panel h2 small.up { color: var(--pos); }
.panel h2 small.down { color: var(--neg); }

/* --- zones ---------------------------------------------------------------- */

.zones { display: grid; gap: 8px; }

.zone {
  display: grid;
  grid-template-columns: 14px 1fr auto;
  grid-template-areas: "dot name rate" "dot fish lock";
  gap: 2px 10px;
  align-items: center;
  text-align: left;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.zone:hover { border-color: #2c4a66; }
.zone.on { border-color: var(--accent); background: #13303a; }
.zone.locked { opacity: 0.55; }

.zone .dot {
  grid-area: dot;
  width: 10px; height: 10px;
  border-radius: 999px;
  background: var(--tint);
}
.zname { grid-area: name; font-weight: 600; }
.zfish { grid-area: fish; font-size: 12px; color: var(--dim); }
.zrate { grid-area: rate; font-weight: 700; color: var(--pos); font-variant-numeric: tabular-nums; }
.zlock { grid-area: lock; font-size: 11px; color: var(--warn); }

/* --- forecast ------------------------------------------------------------- */

.forecast { display: grid; gap: 12px; }
.forecast .grid { display: grid; gap: 6px; }

.forecast .row {
  display: grid;
  grid-template-columns: 110px auto 1fr;
  gap: 10px;
  align-items: baseline;
  font-variant-numeric: tabular-nums;
}
.forecast .row > span { color: var(--dim); font-size: 13px; }
.forecast .row > b { font-weight: 700; }
.forecast .row > small { color: var(--faint); font-size: 12px; }
.forecast .row.warnrow > b { color: var(--warn); }
.forecast .row.warnrow > small { color: var(--warn); opacity: 0.8; }

.ledger {
  border-top: 1px solid var(--line);
  padding-top: 10px;
  display: grid;
  gap: 4px;
  font-variant-numeric: tabular-nums;
}
.ledger > div { display: flex; justify-content: space-between; font-size: 13px; }
.ledger > div > span { color: var(--dim); }
.ledger .pos { color: var(--pos); }
.ledger .neg { color: var(--neg); }
.ledger .total { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 6px; font-size: 15px; }
.ledger .total > b { color: var(--gold); font-weight: 700; }
.ledger .total.sub { border: 0; margin: 0; padding: 0; font-size: 13px; }
.ledger .total.sub > b { color: var(--accent); }

/* --- upgrades ------------------------------------------------------------- */

.upgrades { display: grid; gap: 8px; }

.upg {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 12px;
  align-items: center;
  text-align: left;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: inherit;
  font: inherit;
  cursor: pointer;
  opacity: 0.55;
  transition: border-color 0.15s, opacity 0.15s;
}
.upg.hidden { display: none; }
.upg.afford { opacity: 1; border-color: #2c4a66; }
.upg.afford:hover { border-color: var(--accent); }
.upg:disabled { cursor: default; }

.uicon { font-size: 20px; text-align: center; }
.ubody { display: grid; gap: 2px; min-width: 0; }
.uname { font-weight: 600; }
.uname em { font-style: normal; font-size: 11px; color: var(--faint); margin-left: 4px; }
.ublurb { font-size: 12px; color: var(--dim); }
.ueffect { font-size: 11px; color: var(--accent); font-variant-numeric: tabular-nums; }

.ubuy { text-align: right; display: grid; gap: 2px; }
.ucost { font-weight: 700; color: var(--gold); font-variant-numeric: tabular-nums; }
.uroi { font-size: 11px; color: var(--faint); }
.uroi.warn { color: var(--warn); }

/* --- log ------------------------------------------------------------------ */

.log { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; max-height: 190px; overflow-y: auto; }
.log li { font-size: 12px; color: var(--dim); padding: 3px 0; border-bottom: 1px solid rgba(30, 51, 72, 0.5); }
.log li.sale { color: var(--pos); }
.log li.waste { color: var(--warn); }
.log li.buy { color: var(--ink); }
.log li.unlock { color: var(--accent); font-weight: 600; }
.log li.rare { color: var(--gold); font-weight: 600; }

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

.foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 12px; color: var(--dim); }
.toggle { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.speeds { display: flex; gap: 4px; }
.speeds button,
.ghost {
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--dim);
  border-radius: 7px;
  padding: 4px 10px;
  font: inherit;
  cursor: pointer;
}
.speeds button.on { border-color: var(--accent); color: var(--accent); }

/* --- modal ---------------------------------------------------------------- */

/* `display: grid` would otherwise beat the `hidden` attribute. */
.modal[hidden] { display: none; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 9, 15, 0.75);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 10;
}
.modal .card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  max-width: 380px;
}
.modal h3 { margin: 0 0 8px; font-size: 16px; }
.modal p { margin: 0 0 16px; color: var(--dim); }
.modal b { color: var(--ink); }
.modal button {
  width: 100%;
  background: var(--accent);
  color: #06222a;
  border: 0;
  border-radius: 9px;
  padding: 10px;
  font: 600 14px/1 inherit;
  cursor: pointer;
}

@media (max-width: 560px) {
  .gauges { grid-template-columns: 1fr; }
  .forecast .row { grid-template-columns: 96px auto; }
  .forecast .row > small { grid-column: 1 / -1; }
}