:root {
  /* Nepal flag + prayer flag palette */
  --crimson: #dc143c;
  --blue: #003893;
  --flag-blue: #1f6fd1;
  --flag-red: #e23b3b;
  --flag-green: #2e9e5b;
  --flag-yellow: #f5c518;
  --marigold: #f39a1e;
  --cream: #fff8ec;
  --ink: #2a1a14;
  --muted: #7a6457;
  --font: "Nirmala UI", "Noto Sans Devanagari", "Kohinoor Devanagari", Mangal, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: #3a8ee0;
  color: var(--ink);
  font-family: var(--font);
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

canvas { position: fixed; inset: 0; display: block; }

/* ---------- Overlays ---------- */
.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  overflow-y: auto;
  padding: 16px;
  background: linear-gradient(rgba(0, 25, 70, 0.2), rgba(0, 25, 70, 0.5));
  transition: opacity 0.3s ease;
  touch-action: pan-y;
}
.overlay.hidden { opacity: 0; pointer-events: none; }

.card {
  margin: auto;
  width: min(440px, 100%);
  background: var(--cream);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  text-align: center;
}
.card-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: clamp(16px, 4vw, 26px) clamp(16px, 5vw, 30px);
}

/* Dhaka-weave inspired band */
.dhaka {
  height: 14px;
  background:
    linear-gradient(45deg, transparent 35%, var(--crimson) 35% 65%, transparent 65%) 0 0 / 14px 14px,
    linear-gradient(-45deg, transparent 35%, #1b1b1b 35% 65%, transparent 65%) 0 0 / 14px 14px,
    var(--marigold);
}

.kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
}
h1 {
  font-size: clamp(48px, 14vw, 74px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--crimson);
  text-shadow: 0 3px 0 var(--blue);
}
.latin { font-size: 13px; font-weight: 800; letter-spacing: 0.4em; color: var(--blue); margin-top: -6px; }
.tag { font-size: 15px; line-height: 1.5; color: var(--ink); max-width: 34ch; }

.how { list-style: none; display: grid; gap: 8px; width: 100%; margin: 4px 0 6px; }
.how li { display: flex; align-items: center; gap: 10px; text-align: left; font-size: 14px; line-height: 1.35; color: var(--ink); }
.how .num {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 13px;
  color: #fff;
  background: var(--flag-blue);
}
.how li:nth-child(2) .num { background: #1f7a45; }
.how li:nth-child(3) .num { background: var(--marigold); color: var(--ink); }

.meta { font-size: 14px; font-weight: 700; letter-spacing: 0.08em; color: var(--muted); }
.meta b { color: var(--crimson); font-size: 18px; margin-left: 4px; }

.btn {
  font: inherit;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--crimson);
  border: 0;
  border-radius: 999px;
  padding: 13px 38px;
  min-width: 160px;
  cursor: pointer;
  box-shadow: 0 4px 0 var(--blue);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--blue); }
.btn.ghost { background: transparent; color: var(--blue); box-shadow: inset 0 0 0 2px var(--blue); }
.btn.ghost:active { transform: translateY(1px); }
.btn:focus-visible, .link:focus-visible, #mute:focus-visible { outline: 3px solid var(--flag-yellow); outline-offset: 3px; }

.link {
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--blue);
  background: none;
  border: 0;
  padding: 6px 10px;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

/* Game over */
.big-ne { font-size: clamp(46px, 13vw, 66px); font-weight: 800; line-height: 1.15; color: var(--crimson); text-shadow: 0 3px 0 var(--blue); }
.sub { font-size: 16px; color: var(--muted); }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; width: 100%; margin: 6px 0; }
.stats div { background: rgba(0, 56, 147, 0.06); border-radius: 12px; padding: 10px 6px; display: flex; flex-direction: column; gap: 2px; }
.stats b { font-size: 34px; line-height: 1.1; color: var(--ink); }
.stats span { font-size: 13px; color: var(--muted); }
.badge {
  font-size: 14px;
  font-weight: 800;
  color: var(--ink);
  background: var(--flag-yellow);
  padding: 5px 14px;
  border-radius: 999px;
}
.badge.hidden { display: none; }
.row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 4px; }

/* Sound button */
#mute {
  position: fixed;
  z-index: 2;
  top: max(14px, env(safe-area-inset-top));
  right: max(14px, env(safe-area-inset-right));
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: rgba(255, 248, 236, 0.9);
  border: 0;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  cursor: pointer;
}
#mute svg { width: 22px; height: 22px; fill: currentColor; }
#mute .off { display: none; }
#mute.muted .on { display: none; }
#mute.muted .off { display: block; }

/* Devanagari joins letters, so never space them apart */
:lang(ne) .kicker, :lang(ne) .meta, :lang(ne) .btn { letter-spacing: 0; }
:lang(ne) .kicker { font-size: 14px; }

@media (max-height: 520px) {
  .how, .tag { display: none; }
  h1 { font-size: 44px; }
  .card-body { gap: 8px; }
}

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