:root{--ink: #0d1117;--deep: #111827;--surface: #161d2b;--card: #1c2535;--border: #2a3649;--muted: #4b5e7a;--text: #c8d6e8;--light: #e8f0f8;--copper: #c97d3a;--copper2: #e8943f;--teal: #2dd4bf;--hot: #fbbf24}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--ink);color:var(--text);font-family:Barlow,system-ui,sans-serif;-webkit-tap-highlight-color:transparent;touch-action:manipulation;-webkit-user-select:none;user-select:none}#root{min-height:100dvh}.bg-app{min-height:100dvh;max-width:480px;margin:0 auto;padding:1rem 1rem 2rem;display:flex;flex-direction:column;gap:1rem;background:radial-gradient(ellipse at 20% 0%,rgba(45,212,191,.12),transparent 50%),radial-gradient(ellipse at 80% 10%,rgba(201,125,58,.1),transparent 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.stars{font-size:.7rem;color:var(--hot);letter-spacing:.05em}.bg-level-card.locked{opacity:.35;cursor:not-allowed}.bg-level-card:not(.locked):hover{border-color:var(--teal)}