:root{--bg: #0a0a0f;--surface: #141419;--surface-raised: #1e1e26;--primary: #7c6ff7;--primary-hover: #6b5ce6;--secondary: #4ecdc4;--secondary-hover: #3dbdb4;--success: #4caf50;--error: #ef5350;--warning: #ffb74d;--text-primary: #e8e8ed;--text-secondary: #8e8e9a;--border: #2a2a35;--gold: #ffd700;--silver: #c0c0c0;--bronze: #cd7f32}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2}.card{background-color:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px}.card-raised{background-color:var(--surface-raised);border:1px solid var(--border);border-radius:12px;padding:24px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border:none;border-radius:8px;font-family:inherit;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s,transform .1s;min-height:48px}.btn:active{transform:scale(.98)}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--secondary);color:#0a0a0f}.btn-secondary:hover{background-color:var(--secondary-hover)}.btn-outline{background-color:transparent;color:var(--text-primary);border:1px solid var(--border)}.btn-outline:hover{background-color:var(--surface-raised)}.input{width:100%;padding:12px 16px;background-color:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-family:inherit;font-size:1rem;outline:none;transition:border-color .2s;min-height:48px}.input:focus{border-color:var(--primary)}.input::placeholder{color:var(--text-secondary)}.score-text{font-variant-numeric:tabular-nums;font-weight:700}.room-code{font-family:Courier New,monospace;font-size:2rem;font-weight:700;letter-spacing:.3em}a{color:var(--secondary);text-decoration:none}a:hover{text-decoration:underline}