:root{--bg: #0f1115;--card: #181b22;--text: #eef1f5;--muted: #8b94a3;--accent: #3aa6ff;--danger: #ff5a5a;--radius: 16px;--maxw: 480px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overscroll-behavior:none}button{font-family:inherit;cursor:pointer}.app{max-width:var(--maxw);margin:0 auto;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;padding:env(safe-area-inset-top) 16px env(safe-area-inset-bottom)}.app-header{display:flex;align-items:center;justify-content:space-between;padding:14px 0;position:sticky;top:0;background:var(--bg);z-index:10}.brand{background:none;border:none;color:var(--text);font-size:18px;font-weight:700;padding:0}.app-main{flex:1}.app-footer{text-align:center;color:var(--muted);font-size:12px;padding:16px 0}.screen-title{font-size:24px;margin:8px 0 4px}.screen-subtitle{color:var(--muted);font-size:14px;margin:0 0 20px;line-height:1.5}.tier-grid{display:grid;gap:14px}.tier-card{background:var(--card);border:2px solid;border-radius:var(--radius);padding:18px;text-align:left;color:var(--text);display:flex;flex-direction:column;gap:12px}.tier-card:active{transform:scale(.99)}.tier-name{font-size:20px;font-weight:800}.tier-meta{display:flex;gap:24px;margin:0}.tier-meta dt{color:var(--muted);font-size:12px}.tier-meta dd{margin:2px 0 0;font-size:16px;font-weight:600}.tier-cta{color:var(--muted);font-size:14px}.tier-warning{color:var(--danger);font-size:12px}.game-view{display:flex;flex-direction:column;gap:16px}.back-btn{align-self:flex-start;background:none;border:none;color:var(--muted);font-size:14px;padding:4px 0}.round-card{background:var(--card);border:2px solid;border-radius:var(--radius);padding:20px;text-align:center}.round-top{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}.timer{font-size:56px;font-weight:800;font-variant-numeric:tabular-nums;margin:12px 0 4px;letter-spacing:1px}.timer-ended{font-size:32px;color:var(--danger)}.pot{display:flex;flex-direction:column;gap:2px;margin:12px 0}.pot-label{color:var(--muted);font-size:13px}.pot-value{font-size:30px;font-weight:800}.last-bidder{color:var(--muted);font-size:14px;margin-bottom:8px}.bet-box{margin-top:16px;display:flex;flex-direction:column;gap:10px}.bet-label{display:flex;flex-direction:column;gap:6px;text-align:left;color:var(--muted);font-size:13px}.bet-input{background:var(--bg);border:1px solid #2a2f3a;border-radius:12px;color:var(--text);font-size:20px;padding:12px 14px;width:100%}.bet-input.invalid{border-color:var(--danger)}.quick-bets{display:flex;gap:8px}.quick-bets button{flex:1;background:var(--bg);border:1px solid #2a2f3a;color:var(--text);border-radius:10px;padding:8px;font-size:14px}.primary-btn{border:none;border-radius:12px;color:#06121f;font-size:16px;font-weight:700;padding:14px;width:100%}.primary-btn:disabled{opacity:.5}.ghost-btn{background:none;border:1px solid #2a2f3a;color:var(--text);border-radius:12px;padding:12px;width:100%;margin-top:8px}.hint{font-size:12px;color:var(--muted);margin:4px 0 0;line-height:1.5}.hint.error{color:var(--danger)}.panel{background:var(--card);border-radius:var(--radius);padding:16px 18px}.panel-title{font-size:16px;margin:0 0 12px}.empty{color:var(--muted);font-size:14px;line-height:1.5;margin:0}.bet-list,.history-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.bet-list li,.history-list li{display:flex;justify-content:space-between;font-size:14px}.addr{color:var(--muted);font-family:ui-monospace,monospace}.my-stake{display:flex;justify-content:space-between;align-items:baseline;font-size:15px}.my-stake strong{font-size:18px}.won{color:#4ad07a}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;padding:24px;z-index:100}.modal{background:var(--card);border-radius:20px;padding:24px;width:100%;max-width:360px;text-align:center}.modal-title{font-size:22px;margin:0 0 8px}.modal-pot{font-size:34px;font-weight:800;margin:8px 0}.modal-winner{color:var(--muted);font-size:14px;margin:0 0 12px}