:root{--bg: #0b0f19;--surface: #151c2c;--surface-hover: #1c2538;--border: rgba(255, 255, 255, .08);--text: #f0f0f5;--text-dim: rgba(255, 255, 255, .55);--blue: #2b6fff;--green: #22c55e;--radius: .75rem}*{box-sizing:border-box;margin:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}.arena-container{max-width:520px;margin:0 auto;padding:2rem 1rem 3rem}.arena-title{font-size:1.75rem;font-weight:700;letter-spacing:-.03em;margin-bottom:.25rem}.arena-subtitle{color:var(--text-dim);font-size:.9rem;margin-bottom:1.5rem}.arena-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem}.arena-card-title{font-size:1rem;font-weight:600;margin-bottom:.75rem}.arena-score-card{text-align:center;padding:1.5rem}.arena-score-label{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);margin-bottom:.25rem}.arena-score-value{font-size:2rem;font-weight:700}.arena-row{display:flex;align-items:center;gap:.5rem}.arena-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:.25rem;padding:.75rem .5rem;border:1px solid var(--border);border-radius:.5rem;background:transparent;color:var(--text);font-size:.95rem;cursor:pointer;transition:all .15s ease}.arena-btn:not(:disabled):hover{background:var(--surface-hover);border-color:var(--blue)}.arena-btn:disabled{cursor:default;opacity:.85}.arena-btn-selected{border-color:var(--green)!important;background:#22c55e1a!important}.arena-btn-label{font-weight:600}.arena-btn-pct{font-size:1.25rem;font-weight:700;color:var(--green)}.arena-vs{font-weight:800;font-size:.85rem;color:var(--text-dim);letter-spacing:.05em;flex-shrink:0}.arena-bar-container{margin-top:.75rem}.arena-bar{display:flex;height:6px;border-radius:3px;overflow:hidden;background:#ffffff0d}.arena-bar-a{background:var(--blue);transition:width .3s ease}.arena-bar-b{background:#f97316;transition:width .3s ease}.arena-stats{margin-top:.75rem;display:flex;align-items:center;justify-content:space-between;font-size:.8rem;color:var(--text-dim)}.arena-voted-badge{color:var(--green);font-weight:600}.arena-leader-list{list-style:none;padding:0}.arena-leader-list li{display:flex;justify-content:space-between;padding:.6rem 0;border-bottom:1px solid var(--border);font-size:.9rem}.arena-leader-list li:last-child{border-bottom:none}.arena-leader-you{color:var(--green);font-weight:600}.arena-footer{margin-top:1.5rem}.arena-nav-btn{padding:.65rem 1.25rem;background:var(--green);border:none;border-radius:.5rem;color:#fff;font-size:.9rem;font-weight:600;cursor:pointer;transition:opacity .15s ease}.arena-nav-btn:hover{opacity:.85}