:root {
  color-scheme: dark;
  --bg: #0A0E0F; --panel: #121819; --line: #243032; --ink: #E4E9E6; --muted: #8C9896; --faint: #5E6A69;
  --accent: #86B9BE; --accent-ink: #0A0E0F; --ok: #7CC99A; --warn: #E9A27F;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --round: "SF Pro Rounded", -apple-system, system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--ink); font: 16px/1.5 var(--sans); }
body { -webkit-text-size-adjust: 100%; }
[hidden] { display: none !important; }
.screen { min-height: 100%; padding: calc(env(safe-area-inset-top, 0px) + 20px) 18px calc(env(safe-area-inset-bottom, 0px) + 28px); }

/* Setup */
#setup { max-width: 560px; margin: 0 auto; display: grid; gap: 22px; align-content: start; }
h1 { font: 600 1.9rem/1.15 var(--round); margin: 8px 0 0; letter-spacing: -0.01em; }
h2 { font: 600 0.8rem/1 var(--sans); text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin: 0 0 10px; }
.lede { color: var(--muted); margin: 6px 0 0; }
.status { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 0.78rem; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.chip.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.chip.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
fieldset { border: 0; margin: 0; padding: 0; display: grid; gap: 8px; }
legend { padding: 0; margin-bottom: 8px; font-weight: 600; }
.seg { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px; }
.seg label { display: grid; gap: 2px; padding: 12px 14px; border-radius: 12px; background: var(--panel); border: 1px solid var(--line); cursor: pointer; }
.seg label small { color: var(--muted); font-size: 0.8rem; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg label:has(input:checked) { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.seg label:has(input:disabled) { opacity: 0.45; }
.seg label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
select { width: 100%; font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.toggle { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; border-radius: 12px; background: var(--panel); border: 1px solid var(--line); }
.toggle small { display: block; color: var(--muted); font-size: 0.8rem; }
.toggle input { width: 22px; height: 22px; accent-color: var(--accent); }
.actions { display: grid; grid-template-columns: 1fr 2fr; gap: 10px; }
button { font: 600 1rem var(--sans); border-radius: 14px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); padding: 14px 16px; cursor: pointer; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-size: 1.1rem; }
button:disabled { opacity: 0.5; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.loading { color: var(--muted); font-size: 0.9rem; min-height: 1.4em; margin: 0; }
details.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
details.panel summary { cursor: pointer; font-weight: 600; }
.steps { margin: 12px 0 0; padding-left: 20px; display: grid; gap: 8px; color: var(--ink); }
.steps li::marker { color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 4px; }
.checks label { display: flex; gap: 10px; align-items: flex-start; padding: 6px 0; }
.checks input { width: 20px; height: 20px; margin-top: 2px; flex: none; accent-color: var(--ok); }
textarea { width: 100%; min-height: 90px; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px; margin-top: 10px; }
.copyrow { display: flex; gap: 10px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.copyrow span { color: var(--muted); font-size: 0.85rem; }

/* Player: near-black, readable from the floor */
#player { position: fixed; inset: 0; display: grid; grid-template-rows: auto 1fr auto; padding-inline: 20px; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.bar { display: flex; justify-content: space-between; align-items: center; gap: 10px; position: relative; z-index: 2; }
.bar button { padding: 8px 14px; font-size: 0.9rem; background: transparent; color: var(--muted); }
.bar .clock { font: 500 0.95rem var(--mono); color: var(--faint); }
.stage { display: grid; align-content: center; justify-items: center; text-align: center; gap: 10px; }
.pose { font: 600 clamp(2.4rem, 11vw, 4.2rem)/1.08 var(--round); letter-spacing: -0.01em; text-wrap: balance; }
.side { font: 500 1.3rem var(--round); color: var(--accent); min-height: 1.6em; }
.remaining { font: 300 clamp(3.2rem, 18vw, 6rem)/1 var(--round); font-variant-numeric: tabular-nums; color: var(--ink); margin-top: 10px; }
.phase { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--faint); }
.next { color: var(--muted); margin-top: 18px; }
.hint { text-align: center; color: var(--faint); font-size: 0.85rem; transition: opacity 1s; position: relative; z-index: 2; }
.gesture { position: fixed; inset: 0; z-index: 1; touch-action: manipulation; }
.flash { position: fixed; inset: 0; pointer-events: none; z-index: 3; opacity: 0; transition: opacity 0.6s; }
.flash.up { background: radial-gradient(circle at center, color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%); }
.flash.down { background: radial-gradient(circle at center, color-mix(in srgb, var(--warn) 22%, transparent), transparent 60%); }
.flash.on { opacity: 1; transition: none; }
.toast { position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom, 0px) + 70px); transform: translateX(-50%); background: var(--panel); border: 1px solid var(--line); padding: 8px 14px; border-radius: 999px; font-size: 0.9rem; z-index: 4; }

/* Log overlay */
#logview { position: fixed; inset: 0; background: color-mix(in srgb, var(--bg) 96%, transparent); z-index: 5; padding: calc(env(safe-area-inset-top, 0px) + 16px) 16px calc(env(safe-area-inset-bottom, 0px) + 16px); display: grid; grid-template-rows: auto 1fr; gap: 10px; }
#logview pre { margin: 0; overflow: auto; font: 0.72rem/1.45 var(--mono); color: var(--muted); white-space: pre-wrap; }

@media (prefers-reduced-motion: reduce) { .hint, .flash { transition: none; } }