:root{color-scheme:dark;--bg: #0f172a;--surface: #1e293b;--text: #f1f5f9;--muted: #94a3b8;--accent: #22c55e;--error: #f87171}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif}.home,.state-screen{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;padding:2rem 1.25rem;text-align:center}h1{font-size:1.5rem;margin:0}h2{font-size:1.25rem;margin:0}.error{color:var(--error)}.auth-form{display:flex;flex-direction:column;gap:.75rem;width:100%;max-width:320px}.method-toggle{display:flex;gap:.5rem}.method-toggle button{flex:1;background:var(--surface);color:var(--muted)}.method-toggle button.active{color:var(--text);outline:2px solid var(--accent)}input{padding:.75rem;border-radius:.5rem;border:1px solid #334155;background:var(--surface);color:var(--text);font-size:1rem}button{padding:.75rem;border-radius:.5rem;border:none;background:var(--accent);color:#05220f;font-weight:600;font-size:1rem;cursor:pointer}button.link{background:transparent;color:var(--muted);font-weight:400;text-decoration:underline}.game-options{display:flex;flex-direction:column;gap:.5rem;width:100%;max-width:320px}.participation-card{background:var(--surface);border-radius:1rem;padding:1.5rem;width:100%;max-width:360px;display:flex;flex-direction:column;align-items:center;gap:.5rem;margin:.5rem}.venue-line{color:var(--muted);font-size:.875rem}.assignment{font-size:1.125rem;font-weight:600}.points{font-size:3rem;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums}.reward-banner{background:var(--accent);color:#05220f;border-radius:.5rem;padding:.75rem;font-size:.9rem;line-height:1.4;white-space:normal;text-align:left}.redemption-list{list-style:none;padding:0;margin:0;width:100%;font-size:.875rem;color:var(--muted)}