:root{--ubet-bg: #f8fafc;--ubet-surface: #ffffff;--ubet-surface-muted: #f1f5f9;--ubet-text: #0f172a;--ubet-text-muted: #64748b;--ubet-border: #e2e8f0;--ubet-primary: #4f46e5;--ubet-primary-hover: #4338ca;--ubet-primary-soft: #eef2ff;--ubet-danger: #dc2626;--ubet-danger-soft: #fef2f2;--ubet-warning: #b45309;--ubet-warning-soft: #fffbeb;--ubet-success: #15803d;--ubet-success-soft: #f0fdf4;--ubet-radius: 12px;--ubet-radius-sm: 8px;--ubet-shadow: 0 1px 3px rgba(15, 23, 42, .08);--ubet-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;--ubet-safe-bottom: env(safe-area-inset-bottom, 0px)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--ubet-bg);color:var(--ubet-text);font-family:var(--ubet-font);-webkit-font-smoothing:antialiased}body{line-height:1.5}a{color:var(--ubet-primary);text-decoration:none}a:hover{color:var(--ubet-primary-hover)}h1,h2,h3,p,ul{margin-top:0}button,input,textarea,select{font:inherit}.app-shell{max-width:480px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;background:var(--ubet-bg)}.app-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:var(--ubet-surface);border-bottom:1px solid var(--ubet-border);box-shadow:var(--ubet-shadow)}.app-brand{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--ubet-text)}.app-balance{font-size:13px;font-weight:600;color:var(--ubet-primary);background:var(--ubet-primary-soft);padding:6px 10px;border-radius:999px;white-space:nowrap}.app-main{flex:1;padding:16px 16px calc(88px + var(--ubet-safe-bottom))}.app-bottom-nav{position:fixed;left:50%;transform:translate(-50%);bottom:0;width:min(480px,100%);display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:8px 8px calc(8px + var(--ubet-safe-bottom));background:var(--ubet-surface);border-top:1px solid var(--ubet-border);box-shadow:0 -4px 16px #0f172a0f}.app-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:8px 4px;border-radius:var(--ubet-radius-sm);color:var(--ubet-text-muted);font-size:11px;font-weight:600;text-decoration:none;transition:background .15s,color .15s}.app-nav-item:hover,.app-nav-item.active{color:var(--ubet-primary);background:var(--ubet-primary-soft)}.app-nav-icon{font-size:18px;line-height:1}.page-title{margin:0 0 4px;font-size:24px;font-weight:800;letter-spacing:-.02em}.page-subtitle{margin:0 0 16px;color:var(--ubet-text-muted);font-size:14px}.card{background:var(--ubet-surface);border:1px solid var(--ubet-border);border-radius:var(--ubet-radius);padding:16px;box-shadow:var(--ubet-shadow)}.card-muted{background:var(--ubet-surface-muted);border-color:transparent}.balance-hero{display:flex;flex-direction:column;gap:4px}.balance-hero__amount{font-size:28px;font-weight:800;letter-spacing:-.03em}.balance-hero__sub{color:var(--ubet-text-muted);font-size:14px}.quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:16px}.quick-link{display:flex;align-items:center;justify-content:center;min-height:56px;padding:12px;border:1px solid var(--ubet-border);border-radius:var(--ubet-radius);background:var(--ubet-surface);color:var(--ubet-text);font-weight:600;text-align:center;box-shadow:var(--ubet-shadow);transition:border-color .15s,transform .15s}.quick-link:hover{border-color:var(--ubet-primary);color:var(--ubet-primary);transform:translateY(-1px)}.list-card{list-style:none;margin:0;padding:0;background:var(--ubet-surface);border:1px solid var(--ubet-border);border-radius:var(--ubet-radius);overflow:hidden}.list-card li{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 14px;border-top:1px solid var(--ubet-border)}.list-card li:first-child{border-top:none}.list-card__meta{color:var(--ubet-text-muted);font-size:13px}.bet-summary{flex:1;min-width:0}.bet-summary__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.bet-summary__order{font-weight:700;font-size:15px;word-break:break-all}.bet-summary__status{flex-shrink:0;font-weight:600;color:var(--ubet-text)}.bet-summary__line{margin:4px 0 0;font-size:14px;line-height:1.5}.section-header{display:flex;align-items:center;justify-content:space-between;margin:24px 0 10px}.section-header h2{margin:0;font-size:18px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 16px;border:1px solid transparent;border-radius:var(--ubet-radius-sm);font-weight:600;cursor:pointer;transition:background .15s,border-color .15s,opacity .15s}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--ubet-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--ubet-primary-hover)}.btn-secondary{background:var(--ubet-surface);border-color:var(--ubet-border);color:var(--ubet-text)}.btn-ghost{background:transparent;color:var(--ubet-text-muted);min-height:auto;padding:6px 10px;font-size:13px}.btn-block{width:100%}.input,.textarea{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--ubet-border);border-radius:var(--ubet-radius-sm);background:var(--ubet-surface);color:var(--ubet-text)}.input:focus,.textarea:focus{outline:2px solid var(--ubet-primary-soft);border-color:var(--ubet-primary)}.textarea{min-height:96px;resize:vertical}.field-label{display:block;margin-bottom:12px;font-size:14px;font-weight:600}.field-label span{display:block;margin-bottom:6px;color:var(--ubet-text-muted);font-weight:500}.alert{padding:12px 14px;border-radius:var(--ubet-radius-sm);font-size:14px}.alert-error{background:var(--ubet-danger-soft);border:1px solid #fecaca;color:var(--ubet-danger)}.alert-warning{background:var(--ubet-warning-soft);border:1px solid #fde68a;color:var(--ubet-warning)}.status-badge{display:inline-block;padding:3px 8px;border-radius:999px;font-size:11px;font-weight:700;white-space:nowrap}.status-pending{background:#fff3cd;color:#856404}.status-confirmed{background:#dbeafe;color:#1e40af}.status-settling{background:#e0e7ff;color:#3730a3}.status-won{background:var(--ubet-success-soft);color:var(--ubet-success)}.status-lost{background:var(--ubet-danger-soft);color:#991b1b}.status-void{background:#e2e8f0;color:#475569}.status-settle_error{background:#fecaca;color:#991b1b}.login-page{max-width:420px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:24px 16px}.login-card{background:var(--ubet-surface);border:1px solid var(--ubet-border);border-radius:var(--ubet-radius);padding:24px;box-shadow:var(--ubet-shadow)}.loading-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--ubet-text-muted)}.loading-spinner{width:28px;height:28px;border:3px solid var(--ubet-border);border-top-color:var(--ubet-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.back-link{display:inline-flex;align-items:center;gap:4px;margin-bottom:12px;font-size:14px;font-weight:600}.game-card{display:block;padding:16px;background:var(--ubet-surface);border:1px solid var(--ubet-border);border-radius:var(--ubet-radius);color:var(--ubet-text);box-shadow:var(--ubet-shadow);transition:border-color .15s,transform .15s}.game-card:hover{border-color:var(--ubet-primary);transform:translateY(-1px)}.game-card+.game-card{margin-top:10px}.game-card__title{font-size:17px;font-weight:700}.game-card__desc{margin-top:4px;color:var(--ubet-text-muted);font-size:13px}