:root {
  color-scheme: dark;
  --bg: #070a12;
  --panel: #0f1522;
  --panel-2: #151e2f;
  --line: rgba(255,255,255,.10);
  --text: #f5f7fb;
  --muted: #98a5ba;
  --accent: #ffc23c;
  --green: #65f29a;
  --red: #ff5f66;
  --shadow: 0 24px 70px rgba(0,0,0,.38);
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 0%, rgba(53,78,120,.18), transparent 34rem),
    radial-gradient(circle at 88% 12%, rgba(255,194,60,.07), transparent 26rem),
    linear-gradient(180deg, #080c15 0%, #05070d 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button { font: inherit; }
button:focus-visible { outline: 3px solid rgba(255,194,60,.55); outline-offset: 3px; }

.shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0 56px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { display:grid; place-items:center; width:42px; height:42px; border-radius:13px; background:linear-gradient(145deg,#26344e,#111827); color:var(--accent); border:1px solid var(--line); box-shadow: inset 0 1px rgba(255,255,255,.08); }
h1, h2, p { margin-top: 0; }
.brand h1 { margin: 0; font-size: clamp(1.25rem, 3vw, 1.65rem); letter-spacing: -.03em; }
.brand p { margin: 3px 0 0; color: var(--muted); font-size: .88rem; }

.ghost-btn, .primary-btn, .move-btn, .close-btn { border: 0; color: var(--text); cursor: pointer; }
.ghost-btn { padding: 10px 14px; border-radius: 10px; background: rgba(255,255,255,.055); border: 1px solid var(--line); }
.ghost-btn:hover { background: rgba(255,255,255,.09); }
.primary-btn { min-height: 48px; padding: 0 22px; border-radius: 12px; background: linear-gradient(180deg,#ffd15c,#f4ad1f); color: #171109; font-weight: 800; box-shadow: 0 12px 30px rgba(244,173,31,.20); }
.primary-btn:hover { filter: brightness(1.06); transform: translateY(-1px); }
.primary-btn:active { transform: translateY(0); }
.primary-btn.full { width:100%; }

.game-card, .leaderboard-card { background: linear-gradient(180deg, rgba(18,25,40,.96), rgba(10,15,25,.97)); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); overflow: hidden; }
.hud { min-height: 72px; display: grid; grid-template-columns: 120px 90px 105px 1fr 110px; gap: 16px; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.018); }
.hud-label { display:block; font-size:.67rem; letter-spacing:.16em; color:var(--muted); font-weight:800; }
.timer-block strong, .level-block strong { display:block; margin-top:2px; font-size:1.35rem; font-variant-numeric: tabular-nums; }
.level-block, .lives-block { padding-left:12px; border-left:1px solid var(--line); }
.lives-block strong { display:block; margin-top:2px; color:#ff6978; font-size:1.05rem; letter-spacing:.08em; white-space:nowrap; }
.objectives { display:flex; justify-content:center; gap:8px; flex-wrap:wrap; }
.objective { display:flex; align-items:center; gap:7px; padding:8px 11px; color:#adb8ca; background:rgba(255,255,255,.035); border:1px solid rgba(255,255,255,.065); border-radius:999px; font-size:.82rem; transition:.2s ease; }
.objective.complete { color:#ddffea; border-color:rgba(101,242,154,.35); background:rgba(101,242,154,.10); }
.objective-icon { filter: grayscale(.55); opacity:.7; }
.objective.complete .objective-icon { filter:none; opacity:1; }
.danger-chip { justify-self:end; min-width:90px; text-align:center; padding:8px 10px; border-radius:999px; font-size:.72rem; font-weight:900; letter-spacing:.09em; border:1px solid; }
.danger-chip.safe { color:#8cecb0; background:rgba(101,242,154,.08); border-color:rgba(101,242,154,.26); }
.danger-chip.danger { color:#ffd8da; background:rgba(255,95,102,.12); border-color:rgba(255,95,102,.35); animation:pulseDanger .65s ease-in-out infinite alternate; }
@keyframes pulseDanger { to { box-shadow:0 0 0 5px rgba(255,95,102,.08); } }

.game-wrap { position:relative; width:100%; aspect-ratio:16/10; background:#060a10; overflow:hidden; touch-action:none; }
canvas { display:block; width:100%; height:100%; background:#091019; }
.overlay { position:absolute; inset:0; display:grid; place-items:center; padding:24px; background:rgba(4,7,13,.74); backdrop-filter: blur(6px); opacity:0; visibility:hidden; transition:.2s ease; }
.overlay.visible { opacity:1; visibility:visible; }
.overlay-panel { width:min(520px,100%); padding: clamp(22px, 5vw, 38px); border-radius:18px; background:linear-gradient(180deg,rgba(22,30,47,.97),rgba(12,17,27,.98)); border:1px solid rgba(255,255,255,.12); box-shadow:0 30px 80px rgba(0,0,0,.45); text-align:center; }
.eyebrow { display:block; margin-bottom:8px; color:var(--accent); font-size:.68rem; font-weight:900; letter-spacing:.18em; }
.overlay-panel h2, .leaderboard-card h2, .how-dialog h2 { margin-bottom:9px; font-size:clamp(1.6rem,4vw,2.35rem); letter-spacing:-.04em; }
.overlay-panel > p { color:#b0bbcc; line-height:1.6; }
.mini-rules { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; margin:22px 0; }
.mini-rules span { display:grid; gap:4px; padding:12px 8px; border-radius:12px; background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.065); font-size:.75rem; color:#b3bdd0; }
.mini-rules b { color:#fff; }
.score-box { margin:20px 0; padding:18px; border-radius:14px; background:rgba(101,242,154,.08); border:1px solid rgba(101,242,154,.22); }
.score-box span,.score-box small { display:block; color:#b7c9bf; }
.score-box strong { display:block; margin:5px 0; font-size:2.25rem; color:#e9fff0; font-variant-numeric:tabular-nums; }
.hidden { display:none !important; }

.mobile-controls { display:none; grid-template-columns:64px 64px 64px; grid-template-rows:56px 56px; justify-content:center; gap:7px; padding:14px; border-top:1px solid var(--line); }
.move-btn { border-radius:14px; background:#172238; border:1px solid rgba(255,255,255,.11); box-shadow:inset 0 1px rgba(255,255,255,.06); user-select:none; -webkit-user-select:none; }
.move-btn:active, .move-btn.active { background:#283956; transform:translateY(1px); }
.move-btn.up { grid-column:2; grid-row:1; }
.move-btn.left { grid-column:1; grid-row:2; }
.move-btn.down { grid-column:2; grid-row:2; }
.move-btn.right { grid-column:3; grid-row:2; }

.leaderboard-card { margin-top:18px; padding:22px; display:grid; grid-template-columns:minmax(230px,.65fr) 1.35fr; gap:28px; align-items:start; }
.leaderboard-card h2 { margin-bottom:6px; font-size:1.35rem; }
.leaderboard-card p { margin-bottom:0; color:var(--muted); font-size:.9rem; line-height:1.55; }
#mis-leaderboard { min-height:46px; }

.how-dialog { width:min(560px, calc(100% - 28px)); border:1px solid rgba(255,255,255,.13); border-radius:18px; padding:0; color:var(--text); background:#101725; box-shadow:0 30px 100px rgba(0,0,0,.6); }
.how-dialog::backdrop { background:rgba(0,0,0,.72); backdrop-filter:blur(5px); }
.how-dialog form { padding:24px; }
.dialog-head { display:flex; align-items:flex-start; justify-content:space-between; gap:20px; }
.dialog-head h2 { margin:0; font-size:1.55rem; }
.close-btn { width:38px; height:38px; border-radius:10px; background:rgba(255,255,255,.06); border:1px solid var(--line); font-size:1.6rem; line-height:1; }
.instructions { margin:22px 0; display:grid; gap:10px; }
.instructions p { margin:0; padding:12px 14px; color:#bec7d5; line-height:1.5; background:rgba(255,255,255,.035); border-radius:11px; border:1px solid rgba(255,255,255,.055); }
.instructions b { color:var(--accent); margin-right:4px; }
.instructions strong { color:#fff; }

@media (max-width: 760px) {
  .shell { width:min(100% - 18px, 1180px); padding-top:12px; }
  .topbar { margin-bottom:10px; }
  .brand p { display:none; }
  .ghost-btn { padding:9px 11px; font-size:.83rem; }
  .hud { grid-template-columns:56px 48px 64px 1fr 62px; gap:7px; padding:9px; }
  .timer-block strong, .level-block strong { font-size:.92rem; }
  .level-block, .lives-block { padding-left:6px; }
  .lives-block strong { font-size:.75rem; letter-spacing:.02em; }
  .objectives { gap:5px; }
  .objective { padding:6px 8px; font-size:0; }
  .objective-icon { font-size:1rem; }
  .danger-chip { min-width:70px; font-size:.61rem; padding:7px 6px; }
  .mobile-controls { display:grid; }
  .leaderboard-card { grid-template-columns:1fr; gap:18px; }
  .mini-rules { grid-template-columns:1fr; }
  .mini-rules span { display:flex; justify-content:space-between; }
  .overlay { padding:14px; }
  .overlay-panel { padding:22px 18px; }
}

@media (max-width: 460px) {
  .brand-mark { width:36px;height:36px; }
  .brand h1 { font-size:1.08rem; }
  .game-card { border-radius:14px; }
  .game-wrap { aspect-ratio:16/11; }
  .move-btn { min-height:52px; }
}