@font-face { font-family: "KPixel"; src: url("assets/fonts/kenney-pixel.ttf") format("truetype"); font-display: block; }
@font-face { font-family: "KFuture"; src: url("assets/fonts/kenney-future.ttf") format("truetype"); font-display: block; }

:root {
  --bg: #fbfaf7; --fg: #1f2330; --muted: #5d6475; --card: #fff; --line: #e4e1d9;
  --bad: #c2410c; --bad-bg: #fff1e8; --good: #15803d; --good-bg: #e9f8ee; --accent: #3b4fd8;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #15171e; --fg: #e8e9ee; --muted: #a2a8b8; --card: #1d2029; --line: #323644;
    --bad: #fb923c; --bad-bg: #3a2416; --good: #4ade80; --good-bg: #173322; --accent: #8c9cff; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 720px; margin: 0 auto; padding: 16px 12px 40px; }
a { color: var(--accent); }
h1 { font-size: 1.6rem; line-height: 1.2; margin: 0.4em 0 0.5em; }
.page-head p { margin: 0 0 0.8em; }
.legend { color: var(--muted); font-size: 0.92rem; }
.speed-demo { white-space: nowrap; font: 600 0.8rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; background: #3b2a12; color: #ffd27a; padding: 2px 5px; border-radius: 4px; }

.trick { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 14px 12px; margin: 22px 0; }
.trick-head h2 { margin: 0 0 4px; font-size: 1.25rem; display: flex; align-items: center; gap: 8px; }
.num { display: inline-grid; place-items: center; width: 1.6em; height: 1.6em; border-radius: 50%; background: var(--fg); color: var(--card); font-size: 0.8em; }
.anchor { margin-left: auto; font-size: 0.85em; text-decoration: none; opacity: 0.6; }
.anchor:hover { opacity: 1; }
.rule { margin: 0 0 4px; }
.target { margin: 0 0 12px; color: var(--muted); font-size: 0.92rem; }

.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.side { margin: 0; min-width: 0; display: flex; flex-direction: column; container-type: inline-size; }
.side-top { display: flex; align-items: center; gap: 6px; margin-bottom: 5px; min-height: 26px; white-space: nowrap; }
.tag { font-weight: 700; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; padding: 2px 8px; border-radius: 999px; }
.is-without .tag { color: var(--bad); background: var(--bad-bg); }
.is-with .tag { color: var(--good); background: var(--good-bg); }
.speed { font: 600 0.75rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; background: #3b2a12; color: #ffd27a; padding: 4px 6px; border-radius: 4px; cursor: help; }
.speed:empty { display: none; }
.trying .speed { background: var(--good-bg); color: var(--good); cursor: default; }
.clock { margin-left: auto; font: 600 0.9rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; background: #20242f; color: #fff; padding: 4px 8px; border-radius: 6px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.clock b { display: inline-block; min-width: 3.2ch; text-align: right; }
.clock small { font-size: 0.72rem; font-weight: 500; opacity: 0.8; }
.clock-ico { margin-right: 3px; }
.clock.stopped { background: #15803d; }

.screen { position: relative; aspect-ratio: 16 / 9; border-radius: 8px; overflow: hidden; background: #000; box-shadow: 0 0 0 1px rgba(0,0,0,0.12); }
.screen canvas { display: block; width: 100%; height: 100%; image-rendering: pixelated; touch-action: manipulation; -webkit-user-select: none; user-select: none; outline: none; }
.trying .screen { box-shadow: 0 0 0 3px var(--good); cursor: pointer; }
.veil { position: absolute; inset: 0; display: none; place-items: center; background: rgba(15,17,26,0.6); color: #fff; font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; }
.idle .veil { display: grid; }
.winstamp { position: absolute; left: 6px; bottom: 6px; background: #ffd34d; color: #2a2350; font: 700 0.75rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; padding: 4px 6px; border-radius: 4px; }
.winstamp:empty { display: none; }
.side:not(.won) .winstamp { background: rgba(20,22,32,0.8); color: #fff; }

.cap { margin: 7px 0 2px; font-size: 0.92rem; line-height: 1.35; min-height: 2.7em; }
.done .cap { font-weight: 600; }
.is-without.done .cap { color: var(--bad); }
.is-with.done .cap { color: var(--good); }
.stats { color: var(--muted); font-size: 0.75rem; font-variant-numeric: tabular-nums; margin-bottom: 6px; }
button { font: inherit; cursor: pointer; }
.try, .replay { border: 1px solid var(--line); background: var(--bg); color: var(--fg); border-radius: 8px; padding: 6px 10px; font-size: 0.85rem; min-height: 36px; }
.try { margin-top: auto; align-self: flex-start; }
.try:hover, .replay:hover { border-color: var(--accent); }
.try:focus-visible, .replay:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.trying .try { background: var(--good-bg); color: var(--good); border-color: var(--good); }

.controls { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.hint { color: var(--muted); font-size: 0.85rem; flex: 1 1 200px; }
kbd { font: 0.8em ui-monospace, monospace; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 4px; }
.takeaway { margin: 10px 0 0; padding-top: 10px; border-top: 1px dashed var(--line); font-size: 0.95rem; }
.page-foot { color: var(--muted); font-size: 0.85rem; }

/* narrow columns: keep each header on one line */
@container (max-width: 312px) { .clock small { display: none; } .clock b::after { content: " s"; font-weight: 500; } }
@container (max-width: 250px) { .sp-word { display: none; } .tag { padding: 2px 6px; } }

/* phones: stack the two sides so each screen stays big enough to read */
@media (max-width: 560px) {
  .wrap { padding: 10px 8px 30px; }
  .trick { padding: 12px 10px; border-radius: 10px; }
  .pair { grid-template-columns: 1fr; gap: 16px; }
  .cap { min-height: 0; }
  h1 { font-size: 1.35rem; }
}

/* ?trick=<id>&solo : just the one demo, ready for an iframe */
.solo body { background: transparent; }
.solo .page-head, .solo .page-foot { display: none; }
.solo .wrap { padding: 0; }
.solo .trick { margin: 0; }
.solo .anchor { display: none; }