/* Pinball — one neon table, full-bleed canvas. Self-contained. */

@import url("https://fonts.googleapis.com/css2?family=Archivo:wght@600;700;800;900&family=Geist+Mono:wght@400;500;600&display=swap");

:root{
  --ink: #eef2ff;
  --dim: rgba(238, 242, 255, 0.52);
  --faint: rgba(238, 242, 255, 0.28);
  --bg: #05050a;
  --neon: #6fe3ff;
  --neon-hot: #b8f2ff;
  --hot: #ff5f9e;
  --gold: #ffd36a;
  --line: rgba(160, 190, 255, 0.16);
  --font-display: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after{ box-sizing: border-box; }
html, body{
  height: 100%; margin: 0; overflow: hidden;
  background: var(--bg); color: var(--ink);
  font-family: var(--font-display);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
canvas{
  display: block; width: 100%; height: 100%; touch-action: none;
  -webkit-touch-callout: none; user-select: none; -webkit-user-select: none;
}

/* ---------- HUD ---------- */
.hud{
  position: fixed; z-index: 5; pointer-events: none;
  top: max(12px, env(safe-area-inset-top)); left: 50%; transform: translateX(-50%);
  display: flex; gap: clamp(14px, 4vw, 26px); align-items: flex-end;
  font-family: var(--font-mono);
  padding: 7px 14px;
  border: 1px solid var(--line); border-radius: 12px;
  background: rgba(8, 10, 22, 0.6);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.hud[hidden]{ display: none; }
.hud__cell{ display: flex; flex-direction: column; align-items: center; gap: 1px; }
.hud__k{ font-size: 8px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint); }
.hud__cell span:last-child{ font-size: 16px; font-weight: 700; font-variant-numeric: tabular-nums; }
.hud__cell--score span:last-child{
  font-size: 25px; font-weight: 700; color: var(--neon-hot);
  text-shadow: 0 0 18px rgba(111, 227, 255, 0.5);
}

/* ---------- Callout ---------- */
.callout{
  position: fixed; z-index: 6; pointer-events: none;
  left: 50%; top: 34%; transform: translate(-50%, -50%);
  font-family: var(--font-display); font-weight: 900; letter-spacing: -0.02em;
  font-size: clamp(1.8rem, 8vw, 3.4rem); line-height: 1;
  color: var(--gold); text-align: center; white-space: nowrap;
  text-shadow: 0 0 34px rgba(255, 211, 106, 0.55), 0 6px 30px rgba(0,0,0,0.6);
}
.callout[hidden]{ display: none; }

/* ---------- Sound ---------- */
.sound-btn{
  position: fixed; z-index: 6;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--line); background: rgba(10, 12, 24, 0.6); color: var(--ink);
  font-size: 15px; cursor: pointer; backdrop-filter: blur(8px);
  transition: transform 140ms ease, border-color 140ms ease, opacity 140ms ease;
}
.sound-btn:hover{ transform: translateY(-1px); border-color: var(--neon); }
.sound-btn[aria-pressed="false"]{ opacity: 0.45; }
.sound-btn:focus-visible{ outline: none; box-shadow: 0 0 0 3px rgba(111, 227, 255, 0.4); }

/* ---------- Overlay ---------- */
.overlay{
  position: fixed; inset: 0; z-index: 10;
  display: flex; align-items: center; justify-content: center;
  padding: 22px;
  background: radial-gradient(90% 70% at 50% 42%, rgba(6, 8, 18, 0.74), rgba(3, 3, 7, 0.95));
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
  transition: opacity 240ms ease;
}
.overlay[hidden]{ display: none; }
.overlay.is-out{ opacity: 0; pointer-events: none; }
.panel{
  max-width: 520px; text-align: center;
  padding: clamp(22px, 5vw, 34px);
  border: 1px solid var(--line); border-radius: 16px;
  background: rgba(9, 11, 24, 0.76);
  box-shadow: 0 30px 90px -20px rgba(0,0,0,0.85);
}
.panel__eyebrow{ margin: 0 0 6px; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--neon); }
.panel__title{
  margin: 0 0 12px; font-size: clamp(2rem, 8vw, 3rem); font-weight: 900;
  letter-spacing: -0.02em; font-variant-numeric: tabular-nums;
}
.panel__text{ margin: 0 0 22px; font-family: var(--font-mono); font-size: 0.82rem; line-height: 1.7; color: var(--dim); }
.panel__text b{ color: var(--ink); font-weight: 600; }
.play-btn{
  appearance: none; font-family: var(--font-display); font-weight: 800; font-size: 1rem;
  padding: 13px 30px; border-radius: 999px; cursor: pointer;
  border: 0; background: linear-gradient(180deg, var(--neon-hot), var(--neon));
  color: #05202c; box-shadow: 0 10px 30px -8px rgba(111, 227, 255, 0.6);
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.play-btn:hover{ transform: translateY(-2px); box-shadow: 0 16px 38px -10px rgba(111, 227, 255, 0.75); }
.play-btn:focus-visible{ outline: none; box-shadow: 0 0 0 3px rgba(111, 227, 255, 0.45); }
.panel__keys{ margin: 16px 0 0; font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.06em; color: var(--faint); }

/* ---------- Frame corners + hint ---------- */
.frame{ position: fixed; inset: 0; z-index: 4; pointer-events: none; }
.frame__corner{
  position: fixed; font-family: var(--font-mono); font-size: 0.6rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--faint);
}
.frame__corner--tl{ top: max(14px, env(safe-area-inset-top)); left: max(14px, env(safe-area-inset-left)); }
.frame__corner--tr{ top: max(14px, env(safe-area-inset-top)); right: max(58px, calc(env(safe-area-inset-right) + 58px)); }
.frame__corner--bl{ bottom: max(14px, env(safe-area-inset-bottom)); left: max(14px, env(safe-area-inset-left)); pointer-events: auto; }
.frame__corner--bl a{ color: var(--faint); text-decoration: none; }
.frame__corner--bl a:hover{ color: var(--neon); }

.hint{
  position: fixed; z-index: 4; pointer-events: none;
  bottom: max(16px, calc(env(safe-area-inset-bottom) + 4px)); left: 50%; transform: translateX(-50%);
  margin: 0; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.1em;
  color: var(--faint); white-space: nowrap;
  transition: opacity 500ms ease;
}
.hint.is-gone{ opacity: 0; }

/* the HUD sits above the table on tall screens; tighten it on small ones */
/* the back-link sits bottom-left and the hint is bottom-centre; below this
   width the hint is wide enough to run straight through it */
@media (max-width: 620px){
  .hint{ bottom: max(38px, calc(env(safe-area-inset-bottom) + 28px)); }
}
@media (max-width: 560px){
  .hud{ gap: 13px; padding: 6px 11px; }
  .hud__cell--score span:last-child{ font-size: 21px; }
  .hud__cell span:last-child{ font-size: 14px; }
  .hint{ font-size: 0.56rem; }
}
@media (max-height: 620px){
  .hud{ top: max(6px, env(safe-area-inset-top)); padding: 4px 10px; }
}
@media (prefers-reduced-motion: reduce){
  .play-btn, .sound-btn, .overlay{ transition: none; }
}