:root{--bg:#fff;--fg:#111;--muted:#666;--panel:#f7f7f7;--panel-border:#00000014;--festive:#d41f1f;--gold:#e8b84a;--wheel-rim:#d4b06a;--radius:10px}[data-theme=dark]{--bg:#0a0a0a;--fg:#f5f5f5;--muted:#aaa;--panel:#161616;--panel-border:#ffffff1a;--festive:#ff4d4f;--gold:#f0c866;--wheel-rim:#d4b06a}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:var(--bg);color:var(--fg);font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}.user-shell,.admin-shell{background:var(--bg);min-height:100vh}.brand{letter-spacing:.04em;font-size:1.6rem;font-weight:800}.auth-card{background:var(--bg);border:1px solid var(--panel-border);border-radius:var(--radius);width:min(420px,92vw);margin:12vh auto 0;padding:28px 24px}.lottery-layout{max-width:980px;margin:0 auto;padding:24px 16px 48px}.captcha-row{align-items:stretch;gap:8px;width:100%;display:flex}.captcha-row .captcha-input{flex:1;min-width:0}.captcha-row .captcha-input.ant-input,.captcha-row .captcha-input.ant-input-affix-wrapper{height:40px}.captcha-row .captcha-img{object-fit:fill;cursor:pointer;border:1px solid var(--panel-border);border-radius:var(--radius);background:#fff;flex-shrink:0;width:112px;height:40px;display:block}.wheel-wrap{width:min(360px,88vw);height:min(360px,88vw);margin:24px auto;position:relative}.wheel-canvas{border-radius:50%;width:100%;height:100%;transition:transform 4.2s cubic-bezier(.15,.85,.2,1);box-shadow:0 12px 40px #00000026}.wheel-pointer{border-left:14px solid #0000;border-right:14px solid #0000;border-top:28px solid var(--festive);z-index:2;filter:drop-shadow(0 2px 2px #00000040);width:0;height:0;position:absolute;top:-6px;left:50%;transform:translate(-50%)}.wheel-center{background:linear-gradient(145deg, var(--gold), #c4922a);border:3px solid var(--wheel-rim);color:#111;z-index:3;cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:50%;place-items:center;width:56px;height:56px;font-weight:800;display:grid;position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);box-shadow:0 4px 12px #0003}.wheel-center:disabled{opacity:.6;cursor:not-allowed}.stat-row{grid-template-columns:repeat(2,1fr);gap:12px;margin:16px 0 8px;display:grid}.stat{background:var(--panel);border:1px solid var(--panel-border);border-radius:var(--radius);text-align:center;padding:14px 12px}.stat span{color:var(--muted);font-size:.875rem}.stat b{color:var(--fg);margin-top:4px;font-size:1.25rem;display:block}.page-title{text-align:center;margin-top:20px;color:var(--festive)!important}@media (width<=640px){.stat-row{grid-template-columns:1fr}}