:root {
  --ink: #081226;
  --navy: #0f1f3d;
  --navy-2: #1b3160;
  --cyan: #22d3ee;
  --cyan-soft: #67e8f9;
  --cyan-deep: #0e7fa0;
  --cream: #f6efe0;
  --cream-2: #e6d9bd;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --hud-h: 46px;
  --gap: 10px;
  /* Portrait playfield size: fits width and (height minus the mobile control bar) */
  --stage-w: min(475px, calc(100vw - 2 * var(--gap)), calc((100dvh - 3 * var(--gap) - var(--hud-h)) * 0.625));
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--cream);
  font-family: var(--font);
  background-color: var(--ink);
  background-image:
    radial-gradient(900px 620px at 50% 38%, rgba(34, 211, 238, 0.09), transparent 62%),
    radial-gradient(1500px 1000px at 50% 40%, #142b5a 0%, #0b1834 48%, #050b1a 100%);
  background-attachment: fixed;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Layout ---------- */
.app {
  min-height: 100dvh;
  display: grid;
  grid-template-areas: "hud" "stage";
  justify-content: center;
  align-content: center;
  gap: var(--gap);
  padding: var(--gap);
}

.info { display: none; grid-area: info; }

.hud {
  grid-area: hud;
  width: var(--stage-w);
  height: var(--hud-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.hud-buttons { display: flex; gap: 8px; }

.stage {
  grid-area: stage;
  position: relative;
  width: var(--stage-w);
  aspect-ratio: 400 / 640;
  container-type: size;
  border-radius: 22px;
  overflow: hidden;
  background: var(--navy);
  box-shadow:
    0 0 0 1.5px rgba(103, 232, 249, 0.45),
    0 0 0 7px rgba(8, 18, 38, 0.9),
    0 0 0 8px rgba(103, 232, 249, 0.12),
    0 28px 70px rgba(0, 0, 0, 0.55),
    0 0 90px rgba(34, 211, 238, 0.1);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.stage:focus-visible {
  box-shadow:
    0 0 0 3px var(--cyan-soft),
    0 0 0 7px rgba(8, 18, 38, 0.9),
    0 28px 70px rgba(0, 0, 0, 0.55),
    0 0 90px rgba(34, 211, 238, 0.18);
}

canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

/* Desktop: brand panel | playfield | controls rail */
@media (min-width: 880px) and (min-height: 560px) {
  :root { --stage-w: min(475px, calc((100dvh - 64px) * 0.625)); }
  .app {
    grid-template-areas: "info stage hud";
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: clamp(32px, 5vw, 72px);
    padding: 32px;
  }
  .info { display: block; justify-self: end; max-width: 250px; }
  .hud {
    justify-self: start;
    width: auto;
    height: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    min-width: 170px;
  }
  .hud-buttons { flex-direction: column; gap: 10px; }
  .best-chip { flex-direction: column; align-items: flex-start; padding: 14px 18px; border-radius: 16px; }
  .best-value { font-size: 40px; }
  .icon-btn { width: auto; justify-content: flex-start; padding: 0 16px; gap: 10px; border-radius: 14px; }
  .icon-btn .btn-text { position: static; width: auto; height: auto; clip: auto; overflow: visible; }
}

/* ---------- Side panel ---------- */
.brand {
  margin: 0;
  font-weight: 900;
  font-size: 34px;
  line-height: 0.95;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.brand-mason { color: var(--cream); display: block; }
.brand-bird { color: var(--cyan); display: block; text-shadow: 0 0 18px rgba(34, 211, 238, 0.35); }
.tagline { margin: 10px 0 22px; color: rgba(246, 239, 224, 0.72); font-size: 15px; }
.keys { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; font-size: 14px; }
.keys li { display: flex; align-items: center; justify-content: space-between; gap: 14px; color: rgba(246, 239, 224, 0.85); }
.keycaps { display: flex; gap: 5px; flex-wrap: wrap; }
kbd {
  font: 600 12px var(--font);
  padding: 4px 7px;
  border-radius: 7px;
  color: var(--cream);
  background: rgba(27, 49, 96, 0.7);
  border: 1px solid rgba(103, 232, 249, 0.28);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.35);
}

/* ---------- HUD controls ---------- */
.best-chip {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 0 14px;
  height: 40px;
  align-content: center;
  border-radius: 999px;
  background: rgba(8, 18, 38, 0.7);
  border: 1px solid rgba(103, 232, 249, 0.28);
  justify-content: center;
  flex-wrap: wrap;
}
.best-label { font-size: 11px; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cyan-soft); }
.best-value { font-size: 20px; font-weight: 900; font-variant-numeric: tabular-nums; line-height: 40px; }
@media (min-width: 880px) and (min-height: 560px) { .best-value { line-height: 1; } }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  font: 700 15px var(--font);
  color: var(--cream);
  background: rgba(15, 31, 61, 0.85);
  border: 1px solid rgba(103, 232, 249, 0.35);
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, transform 0.1s;
}
.icon-btn:hover:not(:disabled) { background: rgba(27, 49, 96, 0.95); border-color: rgba(103, 232, 249, 0.6); }
.icon-btn:active:not(:disabled) { transform: translateY(1px); }
.icon-btn:disabled { opacity: 0.4; cursor: default; }
.icon-btn:focus-visible { outline: 3px solid var(--cyan-soft); outline-offset: 2px; }
.icon-btn svg { width: 22px; height: 22px; fill: currentColor; flex: none; }
.icon-btn .btn-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
#pauseBtn .i-play { display: none; }
#pauseBtn[data-paused="true"] .i-play { display: block; }
#pauseBtn[data-paused="true"] .i-pause { display: none; }
#muteBtn .i-muted { display: none; }
#muteBtn[aria-pressed="false"] .i-muted { display: block; }
#muteBtn[aria-pressed="false"] .i-sound { display: none; }
#muteBtn[aria-pressed="false"] { color: rgba(246, 239, 224, 0.7); }

/* ---------- In-game screens ---------- */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.screen[hidden] { display: none; }

.start {
  justify-content: space-between;
  padding: 6cqh 6cqw calc(12.5cqh + 2cqh);
  /* Only a soft top wash for wordmark legibility — no full-screen dimming */
  background: linear-gradient(180deg, rgba(8, 18, 38, 0.55) 0%, rgba(8, 18, 38, 0) 32%);
}

.wordmark {
  margin: 0;
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.86;
  letter-spacing: -0.02em;
  font-size: 17cqw;
}
.wm-mason { display: block; color: var(--cream); text-shadow: 0 4px 0 rgba(8, 18, 38, 0.6); }
.wm-bird {
  display: block;
  color: var(--cyan);
  text-shadow: 0 4px 0 rgba(8, 18, 38, 0.6), 0 0 26px rgba(34, 211, 238, 0.45);
}

.hero {
  height: 34cqh;
  width: auto;
  margin: 0 0 0 6cqw;
  filter: drop-shadow(0 16px 18px rgba(0, 0, 0, 0.4));
  animation: hover 3.2s ease-in-out infinite;
  pointer-events: none;
}
@keyframes hover {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-2.2cqh) rotate(1deg); }
}

.start-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6cqh;
  padding: 2cqh 7cqw 2.2cqh;
  border-radius: 22px;
  background: rgba(8, 18, 38, 0.62);
  border: 1px solid rgba(103, 232, 249, 0.25);
  box-shadow: 0 12px 30px rgba(8, 18, 38, 0.3);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.invite {
  margin: 0;
  font-size: min(20px, 5cqw);
  font-weight: 600;
  color: var(--cream);
  text-shadow: 0 2px 8px rgba(8, 18, 38, 0.8);
}

.btn-primary {
  font: 800 min(22px, 5.6cqw) var(--font);
  letter-spacing: 0.02em;
  padding: 0.62em 2.2em;
  border: 0;
  border-radius: 999px;
  color: var(--ink);
  background: linear-gradient(180deg, #5ee6f7, var(--cyan));
  box-shadow: 0 5px 0 var(--cyan-deep), 0 12px 26px rgba(34, 211, 238, 0.28);
  cursor: pointer;
  transition: transform 0.08s, box-shadow 0.08s;
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-primary:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--cyan-deep), 0 6px 14px rgba(34, 211, 238, 0.22); }
.btn-primary:focus-visible { outline: 3px solid var(--cream); outline-offset: 4px; }

.controls-hint {
  margin: 0;
  font-size: min(14px, 3.6cqw);
  color: rgba(246, 239, 224, 0.82);
  letter-spacing: 0.02em;
}

/* Pause + game-over */
.dim {
  justify-content: center;
  padding-bottom: 12.5cqh;
  background: rgba(5, 11, 26, 0.42);
}

.card {
  width: min(300px, 76cqw);
  padding: 22px 22px 18px;
  border-radius: 22px;
  color: var(--ink);
  background: linear-gradient(180deg, #fbf6ea, var(--cream));
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.35), 0 24px 50px rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  animation: card-in 0.22s ease-out;
}
@keyframes card-in {
  from { transform: translateY(10px) scale(0.97); opacity: 0; }
  to { transform: none; opacity: 1; }
}
.card .btn-primary { margin-top: 10px; width: 100%; padding-left: 0; padding-right: 0; }

.card-kicker {
  margin: 0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-deep);
}
.card-title { margin: 0; font-size: min(40px, 10cqw); font-weight: 900; }
.card-hint { margin: 4px 0 0; font-size: 13px; color: rgba(8, 18, 38, 0.62); }

.score-label { margin: 6px 0 0; font-size: 13px; font-weight: 700; color: rgba(8, 18, 38, 0.6); text-transform: uppercase; letter-spacing: 0.1em; }
.score-big { margin: 0; font-size: min(84px, 21cqw); font-weight: 900; line-height: 1; font-variant-numeric: tabular-nums; }
.best-row { margin: 2px 0 0; font-size: 16px; color: rgba(8, 18, 38, 0.75); display: flex; align-items: center; gap: 6px; }
.best-row strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.new-best {
  font-size: 12px;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: 999px;
  color: var(--ink);
  background: var(--cyan);
}
.new-best[hidden] { display: none; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .hero, .card { animation: none; }
  .btn-primary, .icon-btn { transition: none; }
}

/* ---------- Website: verified vs practice labels ---------- */
.run-badge {
  margin: 0;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: min(13px, 3.4cqw);
  font-weight: 800;
  letter-spacing: 0.02em;
}
.run-badge[hidden], .run-note[hidden] { display: none; }
.run-badge[data-kind="verified"] { color: var(--ink); background: var(--cyan); }
.run-badge[data-kind="practice"] { color: var(--cream); background: rgba(246, 239, 224, 0.14); border: 1px solid rgba(246, 239, 224, 0.35); }
.run-note {
  margin: 8px 0 0;
  padding: 8px 12px;
  width: 100%;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  background: rgba(8, 18, 38, 0.06);
  color: var(--ink);
}
.run-note[data-kind="confirmed"] { background: rgba(34, 211, 238, 0.22); }
.run-note[data-kind="failed"] { background: rgba(239, 68, 68, 0.14); }
.run-note[data-kind="practice"] { color: rgba(8, 18, 38, 0.7); font-weight: 600; }