:root {
  --bg: #0a0f1a;
  --bg-2: #0f1626;
  --panel: #121a2c;
  --line: #1f2a40;
  --line-2: #2a3857;
  --text: #e6ecf7;
  --muted: #8b98b3;
  --accent: #35e0d0;
  --accent-2: #1aa7c9;
  --warn: #f5b544;
  --bad: #ff5a6a;
  --good: #57e38a;
  --radius: 14px;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Code", Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; height: 100%; }

body {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(53, 224, 208, 0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(26, 167, 201, 0.08), transparent 60%),
    var(--bg);
  color: var(--text);
  font: 15px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--mono); }

.app {
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px 16px 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 100%;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 14px; }

.mark {
  width: 38px; height: 38px; border-radius: 10px;
  background:
    linear-gradient(90deg, transparent 42%, var(--accent) 42% 58%, transparent 58%) 0 0 / 100% 50% no-repeat,
    linear-gradient(0deg, transparent 42%, var(--accent) 42% 58%, transparent 58%) 100% 100% / 50% 100% no-repeat,
    var(--panel);
  border: 1px solid var(--line-2);
  box-shadow: 0 0 24px rgba(53, 224, 208, 0.25);
}

h1 { margin: 0; font-size: 22px; letter-spacing: -0.01em; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }

.mode { display: flex; gap: 6px; background: var(--panel); border: 1px solid var(--line); padding: 4px; border-radius: 999px; }

.chip {
  border: 0; background: transparent; color: var(--muted);
  font: 600 13px var(--sans); padding: 7px 14px; border-radius: 999px; cursor: pointer;
}
.chip.is-on { background: var(--line-2); color: var(--text); }
.chip:focus-visible, .btn:focus-visible, canvas:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 18px;
  align-items: start;
}

.board-wrap {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 360px;
}

canvas { display: block; touch-action: manipulation; border-radius: 8px; cursor: pointer; }

.overlay {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background: rgba(6, 10, 18, 0.62);
  backdrop-filter: blur(3px);
  border-radius: var(--radius);
  padding: 16px;
}
.overlay[hidden] { display: none; }

.card {
  width: min(380px, 100%);
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: rise 0.25s ease-out;
}
@keyframes rise { from { transform: translateY(8px); opacity: 0; } }
.card h2 { margin: 4px 0 8px; font-size: 24px; }
.card p { margin: 0 0 14px; color: var(--muted); }
.kicker { font: 700 11px var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent) !important; margin: 0 !important; }
.kicker.bad { color: var(--bad) !important; }

.tally { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; margin: 0 0 18px; font: 13px var(--mono); text-align: left; }
.tally dt { color: var(--muted); }
.tally dd { margin: 0; text-align: right; }

.hud {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  display: flex; flex-direction: column; gap: 16px;
}

.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat { background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; }
.label { display: block; font: 600 11px var(--mono); color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }
.value { font: 700 20px var(--mono); font-variant-numeric: tabular-nums; }

.gauge-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.gauge-head .value { font-size: 16px; }
.bar { height: 8px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.bar .fill { height: 100%; width: 100%; background: linear-gradient(90deg, var(--accent-2), var(--accent)); transition: background 0.3s; }
.bar .fill.flowing { background: linear-gradient(90deg, #1aa7c9, #35e0d0, #1aa7c9); background-size: 200% 100%; animation: flow 1.2s linear infinite; }
.bar .fill.urgent { background: linear-gradient(90deg, #d9822b, var(--warn)); }
@keyframes flow { to { background-position: -200% 0; } }

.meta { display: grid; gap: 4px; font-size: 12.5px; }
.meta div { display: flex; justify-content: space-between; border-bottom: 1px dashed var(--line); padding: 3px 0; }
.meta span { color: var(--muted); }
.meta b { font-weight: 600; }

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

.btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%;
  border: 1px solid var(--line-2);
  background: var(--bg-2);
  color: var(--text);
  font: 600 14px var(--sans);
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}
.btn:hover { border-color: var(--accent-2); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.primary { background: linear-gradient(180deg, #1fc6b8, #139c93); border-color: transparent; color: #04201e; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--muted); }

kbd {
  font: 600 11px var(--mono);
  padding: 1px 6px; border-radius: 5px;
  border: 1px solid currentColor; opacity: 0.7;
}

.how { font-size: 13px; color: var(--muted); }
.how summary { cursor: pointer; color: var(--text); font-weight: 600; }
.how ul { padding-left: 18px; margin: 8px 0 0; display: grid; gap: 6px; }
.how b, .how em { color: var(--text); }

@media (max-width: 900px) {
  .stage { grid-template-columns: 1fr; }
  .hud { order: 2; }
  .board-wrap { padding: 8px; min-height: 260px; }
}

@media (prefers-reduced-motion: reduce) {
  .card, .bar .fill.flowing { animation: none; }
}