/* Idea Run — page + game UI styles. Loaded after styles.css, reuses its tokens. */

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

/* Dark, immersive game page. Header sits over dark → frosted nav reads cleanly. */
.game-page {
  background: var(--ink);
  color: var(--fg-dark);
  min-height: 100vh;
  padding: clamp(48px, 7vh, 84px) 0 clamp(60px, 8vh, 100px);
}

.game-intro { max-width: 780px; margin: 0 auto clamp(22px, 3.5vw, 34px); padding: 0 var(--pad); text-align: center; }
.game-intro__kicker { font: 600 11px/1 var(--font-mono, ui-monospace, Menlo, monospace); letter-spacing: 0.28em; text-transform: uppercase; color: var(--accent); margin: 0 0 14px; }
.game-intro__title { margin: 0 0 16px; font-weight: 800; font-stretch: 108%; font-size: clamp(34px, 7vw, 60px); line-height: 0.98; letter-spacing: -0.02em; text-transform: uppercase; }
.game-intro__title span { color: var(--accent); }
.game-intro__how { margin: 0 auto; max-width: 60ch; color: var(--muted-dark-2, rgba(245, 245, 245, 0.82)); font-size: clamp(14px, 1.8vw, 17px); line-height: 1.6; text-wrap: pretty; }
.game-intro__how b { color: var(--fg-dark); font-weight: 700; }

/* Frame wraps stage + controls so both go fullscreen together. */
.game-shell { max-width: 1040px; margin: 0 auto; padding: 0 var(--pad); }
.game-frame { display: flex; flex-direction: column; gap: 14px; }

.game-stage {
  position: relative; width: 100%;
  border: 1px solid rgba(0, 229, 255, 0.30); border-radius: 16px; overflow: hidden;
  background: #08090b; touch-action: none;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5), 0 26px 60px -30px rgba(0, 229, 255, 0.4);
}
#game-canvas { display: block; width: 100%; touch-action: none; }

/* HUD (z-index above the overlay so its buttons stay tappable on mobile) --- */
.game-hud {
  position: absolute; top: 12px; left: 14px; right: 14px; z-index: 3;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  font: 600 12px/1 var(--font-mono, ui-monospace, Menlo, monospace);
  letter-spacing: 0.14em; text-transform: uppercase; color: #8fe9f4;
  pointer-events: none; text-shadow: 0 1px 6px rgba(0, 0, 0, 0.7);
}
.game-hud b { color: #ffe27a; }
.game-hud__left { display: flex; align-items: center; gap: 16px; }
.game-hud__lives { color: #ff6b7a; letter-spacing: 0.08em; font-size: 14px; }
.game-hud__lives[hidden] { display: none; }
.game-hud__right { display: flex; align-items: center; gap: 8px; }
.game-icon-btn {
  pointer-events: auto; appearance: none; cursor: pointer; touch-action: manipulation;
  background: rgba(0, 0, 0, 0.45); border: 1px solid rgba(0, 229, 255, 0.4); border-radius: 999px;
  color: #aef2fb; font: 600 11px/1 var(--font-mono, ui-monospace, Menlo, monospace);
  letter-spacing: 0.12em; text-transform: uppercase; padding: 10px 14px; min-height: 38px;
}
.game-icon-btn:active { background: rgba(0, 229, 255, 0.22); }
.game-icon-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Speech bubble (Lino's intro) --------------------------------------------- */
.game-bubble {
  position: absolute; left: 50%; bottom: 56%; z-index: 4;
  transform: translateX(-50%);
  max-width: min(78%, 340px);
  background: #fff; color: #10181b;
  font: 700 clamp(14px, 2.4vw, 17px)/1.35 var(--font-sans, system-ui, sans-serif);
  padding: 12px 18px 10px; border-radius: 16px;
  box-shadow: 0 8px 30px -8px rgba(0, 0, 0, 0.6);
  text-align: center;
  animation: bubbleFloat 2.4s ease-in-out infinite;
  pointer-events: none;
}
.game-bubble[hidden] { display: none; }
.game-bubble::after {
  content: ""; position: absolute; left: 50%; bottom: -9px; transform: translateX(-50%);
  border-left: 10px solid transparent; border-right: 10px solid transparent; border-top: 10px solid #fff;
}
.game-bubble b { color: #0e8290; }
.game-bubble__hint { display: block; margin-top: 4px; font: 600 10px/1.2 var(--font-mono, ui-monospace, monospace); letter-spacing: 0.12em; text-transform: uppercase; color: #7a8a8e; }
@keyframes bubbleFloat { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-6px); } }
@media (prefers-reduced-motion: reduce) { .game-bubble { animation: none; } }

/* Overlay ----------------------------------------------------------------- */
.game-overlay {
  position: absolute; inset: 0; z-index: 2; display: grid; place-items: center; text-align: center;
  padding: 56px 22px 22px; background: rgba(8, 9, 11, 0.76);
  backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); touch-action: none; color: #e8f6f8;
}
.game-overlay.is-hidden { display: none; }
/* The hidden attribute must win over our display:grid (kart overlays use it). */
.game-overlay[hidden] { display: none; }
.game-overlay__tag { font: 600 10px/1 var(--font-mono, ui-monospace, Menlo, monospace); letter-spacing: 0.3em; color: var(--accent); margin: 0 0 12px; }
.game-overlay__title { margin: 0 0 8px; font: 800 clamp(26px, 4.5vw, 38px)/1.05 var(--font-sans, system-ui, sans-serif); color: #fff; }
.game-overlay__sub { margin: 0 0 18px; color: #9fb2b5; font: 400 14px/1.5 var(--font-sans, system-ui, sans-serif); max-width: 42ch; }
.game-btn {
  appearance: none; border: 0; cursor: pointer; background: var(--accent); color: #04141a;
  font: 800 13px/1 var(--font-sans, system-ui, sans-serif); letter-spacing: 0.08em; text-transform: uppercase;
  padding: 14px 34px; border-radius: 999px; transition: transform 0.12s ease;
}
.game-btn:active { transform: scale(0.95); }
.game-btn:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.game-overlay__btns { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.game-btn--ghost { background: transparent; border: 1.5px solid rgba(0, 229, 255, 0.55); color: #cffaff; }
.game-btn--ghost:active { background: rgba(0, 229, 255, 0.16); }
.game-overlay__hint { margin: 16px 0 0; font: 400 10.5px/1.4 var(--font-mono, ui-monospace, Menlo, monospace); letter-spacing: 0.14em; text-transform: uppercase; color: #6b7d80; }

/* Utility bar (restart / menu / sound / fullscreen / HQ) — outside the canvas. */
.game-utils { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.game-utils .game-icon-btn { background: rgba(9, 12, 14, 0.85); border-color: rgba(0, 229, 255, 0.4); }
a.game-icon-btn { display: inline-flex; align-items: center; text-decoration: none; }
.game-icon-btn--hq { border-color: rgba(255, 224, 122, 0.55); color: #ffe9a8; }
.game-icon-btn[disabled] { opacity: 0.5; cursor: default; }

/* Control bar (below the stage, never covering the play area) -------------- */
.game-controls { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.game-controls__move { display: flex; gap: 12px; }
.game-controls button {
  appearance: none; cursor: pointer; -webkit-user-select: none; user-select: none; touch-action: none;
  background: rgba(9, 12, 14, 0.85); border: 1.5px solid rgba(0, 229, 255, 0.5); color: #cffaff;
  display: grid; place-items: center; border-radius: 16px;
  width: clamp(64px, 20vw, 84px); height: clamp(56px, 14vw, 66px); font: 800 22px/1 var(--font-sans, system-ui, sans-serif);
}
.game-controls button:active { background: rgba(0, 229, 255, 0.25); transform: translateY(1px); }
.game-controls button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.game-controls .btn-jump { width: clamp(120px, 34vw, 200px); font-size: 15px; letter-spacing: 0.08em; text-transform: uppercase; }

/* Fullscreen: frame fills the screen, stage centered, controls below.
   Native (:fullscreen) plus .is-fs CSS fallback for iOS Safari, which has no
   element fullscreen API. */
.game-frame:fullscreen { background: #08090b; justify-content: center; align-items: center; height: 100%; width: 100%; padding: 14px; gap: 14px; }
.game-frame:-webkit-full-screen { background: #08090b; justify-content: center; align-items: center; height: 100%; width: 100%; padding: 14px; gap: 14px; }
.game-frame:fullscreen .game-stage, .game-frame:-webkit-full-screen .game-stage { max-width: 1200px; }
.game-frame:fullscreen .game-controls, .game-frame:-webkit-full-screen .game-controls { max-width: 1200px; width: 100%; }
.game-frame.is-fs {
  position: fixed; inset: 0; z-index: 220; background: #06080a;
  display: flex; flex-direction: column; justify-content: center; align-items: stretch;
  padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  gap: 12px;
}
.game-frame.is-fs .game-stage { border-radius: 12px; }
html.game-noscroll, html.game-noscroll body { overflow: hidden; height: 100%; }

/* Kart racer -------------------------------------------------------------- */
.kart-card { max-width: 420px; }
.kart-label { margin: 14px 0 6px; font: 600 10px/1 var(--font-mono, ui-monospace, monospace); letter-spacing: 0.2em; text-transform: uppercase; color: #7a9ba1; text-align: center; }
.kart-input {
  display: block; width: min(260px, 80%); margin: 0 auto;
  background: rgba(9, 12, 14, 0.8); border: 1.5px solid rgba(0, 229, 255, 0.45); border-radius: 10px;
  color: #eafcff; font: 700 16px/1.2 var(--font-sans, system-ui, sans-serif); text-align: center;
  padding: 10px 12px;
}
.kart-input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.game-btn.is-active { background: var(--accent); color: #04141a; border-color: var(--accent); }
.kart-count {
  position: absolute; inset: 0; z-index: 3; display: grid; place-items: center;
  font: 800 clamp(64px, 12vw, 120px)/1 var(--font-sans, system-ui, sans-serif);
  color: #fff; text-shadow: 0 0 34px rgba(0, 229, 255, 0.8);
  pointer-events: none;
}
.kart-count[hidden] { display: none; }
.kart-map {
  position: absolute; top: 14px; right: 14px; z-index: 2;
  width: 120px; height: 120px; opacity: 0.9; pointer-events: none;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.45));
}
.kart-map[hidden] { display: none; }

/* Help / legend ----------------------------------------------------------- */
.game-help { max-width: 1040px; margin: 22px auto 0; padding: 0 var(--pad); }
.game-help__inner { border-top: 1px solid rgba(245, 245, 245, 0.16); padding-top: 18px; }
.game-help dl { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 22px; margin: 0; font: 400 13px/1.6 var(--font-sans, system-ui, sans-serif); color: var(--muted-dark, rgba(245, 245, 245, 0.72)); }
.game-help dt { font-family: var(--font-mono, ui-monospace, Menlo, monospace); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: #cffaff; background: rgba(0, 229, 255, 0.14); border-radius: 4px; padding: 3px 8px; }
.game-help dd { margin: 0 16px 0 0; }
.game-back { display: inline-block; margin-top: 22px; font: 600 12px/1 var(--font-mono, ui-monospace, Menlo, monospace); letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }

@media (min-width: 900px) {
  /* Roomier controls on desktop; keyboard is primary but buttons still work. */
  .game-controls { justify-content: center; gap: 16px; }
}
@media (prefers-reduced-motion: reduce) { .game-btn, .game-controls button { transition: none; } }

/* Kart: required-name validation state */
.kart-input.is-invalid {
  border-color: #ff4d5e !important;
  box-shadow: 0 0 0 2px rgba(255, 77, 94, 0.35);
}