/* GhostSignal in the browser. The app's palette: void black, cyan, magenta, amber. Dark only:
   it's played outdoors, often at night, mostly with the screen in a pocket. */
:root {
  --void: #07070c;
  --panel: #11111b;
  --line: #26263a;
  --cyan: #2ef2e2;
  --magenta: #ff2e88;
  --amber: #ffc94d;
  --text: #e6e6f0;
  --dim: #8a8aa0;
  --bad: #ff5a5a;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--void); color: var(--text); font: 16px/1.5 var(--sans); -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
h1, h2, h3 { margin: 0; line-height: 1.15; }
h2 { font-size: 1.05rem; letter-spacing: 0.02em; }
h3 { font-size: 0.95rem; }
.muted { color: var(--dim); }
.small { font-size: 0.82rem; }
.error { color: var(--bad); }

.bar {
  position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px; background: rgba(7, 7, 12, 0.92); border-bottom: 1px solid var(--line);
}
.brand { font: 600 0.8rem var(--mono); letter-spacing: 0.16em; white-space: nowrap; }
.brand b { color: var(--amber); font-weight: 600; }
.brand span { color: var(--dim); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--magenta); margin-right: 8px; box-shadow: 0 0 10px var(--magenta); }
.who { color: var(--cyan); font-size: 0.85rem; text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 50%; }

main { max-width: 560px; margin: 0 auto; padding: 16px 16px calc(40px + env(safe-area-inset-bottom)); }
.loading { color: var(--dim); font-family: var(--mono); }

.btn {
  font: 600 0.92rem var(--sans); cursor: pointer; border-radius: 999px; padding: 10px 18px;
  background: var(--cyan); color: var(--void); border: 1px solid var(--cyan); white-space: nowrap;
}
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.big { padding: 14px 26px; font-size: 1rem; }
.btn:disabled { opacity: 0.5; }
.btn.ok { border-color: var(--cyan); color: var(--cyan); }
.link { background: none; border: 0; color: var(--cyan); font: inherit; cursor: pointer; padding: 4px; }

.hero { padding: 18px 0 8px; }
.hero h1 { font: 800 2.2rem var(--sans); letter-spacing: 0.12em; text-shadow: 0 0 18px rgba(46, 242, 226, 0.35); }
.hero p { color: var(--dim); margin: 6px 0 0; }

.checks { list-style: none; padding: 0; margin: 16px 0; display: grid; gap: 10px; }
.checks li { display: flex; gap: 12px; align-items: center; justify-content: space-between; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.checks li div { display: grid; gap: 2px; min-width: 0; }
.checks li span { color: var(--dim); font-size: 0.85rem; }
.checks li.done { border-color: color-mix(in srgb, var(--cyan) 45%, transparent); }
.checks li.done b::after { content: "  \2713"; color: var(--cyan); }
.checks li.warn b::after { content: "  !"; color: var(--amber); }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin: 12px 0; }
.card h2 { margin-bottom: 10px; }
.choices { display: grid; gap: 8px; }
.choice { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.choice:has(input:checked) { border-color: var(--cyan); }
.choice input { margin-top: 4px; accent-color: var(--cyan); }
.choice b { display: block; }
.choice span { color: var(--dim); font-size: 0.88rem; }
.choice.locked { opacity: 0.55; cursor: default; }
.choice .tag { font: 600 0.68rem var(--mono); letter-spacing: 0.1em; color: var(--amber); margin-left: 6px; }
.go { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; margin: 18px 0; }
.about summary, details summary { cursor: pointer; color: var(--dim); }
.about ul { margin: 10px 0 0; padding-left: 18px; color: var(--dim); font-size: 0.9rem; }

/* run */
.status-line { display: flex; justify-content: space-between; font: 600 0.75rem var(--mono); letter-spacing: 0.14em; color: var(--dim); }
#objective { font-size: 1.35rem; margin: 8px 0 12px; }
.reading { display: flex; gap: 16px; align-items: center; }
.dial { width: 110px; height: 110px; flex: none; }
.dial .ring { fill: none; stroke: var(--line); stroke-width: 1.5; }
.dial .ring.faint { stroke-dasharray: 2 4; }
.dial .tip { fill: var(--magenta); }
.dial .you { fill: var(--cyan); }
#arrow { transition: transform 0.2s ease-out; }
.reading b { display: block; font-size: 1.8rem; font-variant-numeric: tabular-nums; }
.reading span { display: block; }
.line { margin: 14px 0; padding: 12px 14px; border-left: 3px solid var(--amber); background: var(--panel); border-radius: 0 10px 10px 0; }
.line b { display: block; font: 600 0.72rem var(--mono); letter-spacing: 0.12em; color: var(--amber); text-transform: uppercase; }
.listen { margin: 14px 0; padding: 12px 14px; border: 1px solid var(--cyan); border-radius: var(--radius); }
.listen p { margin: 0 0 10px; display: flex; gap: 10px; align-items: center; }
.mic { width: 10px; height: 10px; border-radius: 50%; background: var(--bad); animation: pulse 1s infinite; flex: none; }
@keyframes pulse { 50% { opacity: 0.3; } }
.hints { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.hints button { font: 600 0.9rem var(--sans); color: var(--cyan); background: transparent; border: 1px solid var(--cyan); border-radius: 999px; padding: 8px 14px; cursor: pointer; }
#typeForm { display: flex; gap: 8px; }
#typeForm input { flex: 1; min-width: 0; font: 16px var(--sans); color: var(--text); background: var(--void); border: 1px solid var(--line); border-radius: 999px; padding: 9px 14px; }
.unlocked { color: var(--amber); font-weight: 700; text-align: center; margin: 12px 0; }

.controls { margin: 18px 0; display: grid; gap: 12px; }
.capture {
  width: 100%; min-height: 128px; border-radius: 22px; border: 2px solid var(--cyan); background: rgba(46, 242, 226, 0.08);
  color: var(--text); cursor: pointer; display: grid; place-content: center; gap: 4px; touch-action: none; user-select: none; -webkit-user-select: none;
}
.capture b { font: 800 1.6rem var(--mono); letter-spacing: 0.2em; color: var(--cyan); }
.capture span { color: var(--dim); font-size: 0.85rem; }
.capture.ready { background: rgba(46, 242, 226, 0.22); box-shadow: 0 0 24px rgba(46, 242, 226, 0.35); }
.capture.held { border-color: var(--magenta); }
.capture.held b { color: var(--magenta); }
.small-controls { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.small-controls .btn { padding: 9px 6px; font-size: 0.85rem; }
.sim-buttons { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 6px; }
.sim-turn { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; margin: 0; }

.layers { list-style: none; padding: 0; margin: 16px 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.layers li { border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; font: 0.72rem var(--mono); color: var(--dim); min-height: 46px; }
.layers li b { display: block; color: var(--dim); }
.layers li.got { border-color: var(--cyan); color: var(--text); }
.layers li.got b { color: var(--cyan); }
.layers li.now { border-color: var(--magenta); }
.run-foot { display: flex; gap: 10px; justify-content: space-between; margin: 16px 0; }
.transcript { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 6px; font-size: 0.9rem; }
.transcript b { color: var(--amber); font: 600 0.72rem var(--mono); letter-spacing: 0.08em; margin-right: 6px; }
.transcript .you b { color: var(--cyan); }

/* pocket mode: black, the whole screen is the capture button */
.pocket {
  position: fixed; inset: 0; z-index: 100; background: #000; color: #2a2a38; display: grid; place-content: center;
  text-align: center; padding: 24px; touch-action: none; user-select: none; -webkit-user-select: none;
}
.pocket p { max-width: 280px; }
.pocket-status { font: 0.8rem var(--mono); color: #3a3a4e; }
.pocket.held { background: #0b0006; }
.pocket-exit { position: absolute; top: calc(12px + env(safe-area-inset-top)); left: 50%; transform: translateX(-50%); background: none; border: 1px solid #22222e; color: #3a3a4e; border-radius: 999px; padding: 8px 16px; font: inherit; }