:root{--bg: #0f172a;--panel: #1e293b;--panel2: #334155;--text: #f8fafc;--muted: #94a3b8;--accent: #6366f1;--accent2: #22c55e;color-scheme:dark}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overscroll-behavior:none}.app{max-width:480px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;padding:env(safe-area-inset-top) 16px env(safe-area-inset-bottom)}.center{flex:1;display:flex;flex-direction:column;justify-content:center;gap:16px;padding:24px 0}h1{font-size:28px;margin:0 0 4px}.muted{color:var(--muted);font-size:14px}button{font:inherit;border:none;border-radius:12px;padding:14px 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