:root{--primary:#eb2f96;--primary-dark:#c41d7f;--accent:#ff85c0;--bg:#f5f6f8;--card:#fff;--text:#1f1f1f;--text-secondary:#8c8c8c;--border:#f0f0f0;--danger:#ff4d4f;--warn:#fa8c16;--ok:#52c41a;--radius:12px;--nav-h:46px;--tab-h:56px;--safe-bottom:env(safe-area-inset-bottom,0px);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,Microsoft YaHei,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100%}body{background:var(--bg);margin:0}a{color:var(--primary);text-decoration:none}button{font-family:inherit}.app-shell{background:var(--bg);max-width:480px;min-height:100dvh;padding-bottom:calc(var(--tab-h) + var(--safe-bottom) + 12px);margin:0 auto;position:relative}.nav-bar{z-index:20;height:var(--nav-h);background:var(--primary);color:#fff;grid-template-columns:48px 1fr 48px;align-items:center;padding:0 8px;display:grid;position:sticky;top:0;box-shadow:0 1px #0000000f}.nav-title{text-align:center;text-overflow:ellipsis;white-space:nowrap;font-size:17px;font-weight:600;overflow:hidden}.back-btn{color:#fff;padding:0 8px;font-size:28px;line-height:1;display:inline-block}.brand-dot{background:#ffffffd9;border-radius:50%;width:8px;height:8px;margin-left:12px;display:inline-block}.page-body{padding:12px}.tab-bar{width:100%;max-width:480px;height:calc(var(--tab-h) + var(--safe-bottom));padding-bottom:var(--safe-bottom);border-top:1px solid var(--border);z-index:30;background:#fff;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.tab{color:var(--text-secondary);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;font-size:11px;display:flex}.tab.active{color:var(--primary);font-weight:600}.tab-icon{font-size:18px;line-height:1}.hero{background:linear-gradient(145deg, var(--primary), var(--primary-dark));color:#fff;border-radius:var(--radius);margin-bottom:12px;padding:20px 16px 18px}.hero-badge{background:#fff3;border-radius:999px;margin-bottom:10px;padding:2px 8px;font-size:12px;display:inline-block}.hero h2{margin-bottom:8px;font-size:20px;font-weight:700}.hero-desc{opacity:.9;margin-bottom:16px;font-size:13px}.card{background:var(--card);border-radius:var(--radius);margin-bottom:12px;padding:14px;box-shadow:0 1px 2px #0000000a}.card h3,.section-title{margin-bottom:8px;font-size:15px;font-weight:600}.card-head{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.card-head h3{margin:0}.bullets{color:var(--text-secondary);padding-left:18px;font-size:13px}.bullets li{margin-bottom:6px}.bullets .highlight{color:var(--primary);font-weight:500}.btn{cursor:pointer;color:var(--text);background:#f0f0f0;border:none;border-radius:8px;padding:10px 14px;font-size:14px;font-weight:600}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--primary);color:#fff}.btn.ghost{color:var(--primary);border:1px solid var(--primary);background:#fff}.btn.warn{background:var(--warn);color:#fff}.btn.block{width:100%;display:block}.btn.lg{padding:12px 16px;font-size:16px}.btn.sm{padding:6px 10px;font-size:12px}.hint{color:var(--text-secondary);margin-bottom:10px;font-size:12px}.hint.px{padding:0 2px 8px}.import-panel{background:var(--card);border-radius:var(--radius);padding:14px}.import-actions{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}.paste-area{border:1px solid var(--border);resize:vertical;border-radius:8px;width:100%;margin-bottom:10px;padding:10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.error-box,.warn-box{border-radius:8px;margin-top:10px;padding:10px;font-size:12px}.error-box{color:var(--danger);background:#fff2f0;border:1px solid #ffccc7}.warn-box{color:var(--warn);background:#fff7e6;border:1px solid #ffd591;margin-bottom:12px}.summary-card{background:var(--card);border-radius:var(--radius);margin-bottom:12px;padding:14px}.summary-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.summary-label{color:var(--text-secondary);font-size:12px}.summary-value{margin-top:2px;font-size:18px;font-weight:700}.summary-value.primary{color:var(--primary)}.summary-value.warn{color:var(--warn)}.summary-value.ok{color:var(--ok)}.aa-hint{border-top:1px dashed var(--border);margin-top:12px;padding-top:12px;font-size:13px}.hard-note{color:var(--text-secondary);margin-top:4px;font-size:11px}.tx-list{flex-direction:column;gap:10px;list-style:none;display:flex}.tx-card{background:var(--card);border-radius:var(--radius);border-left:3px solid #d9d9d9;padding:12px}.tx-card.label-shared{border-left-color:var(--primary)}.tx-card.label-personal{border-left-color:#8c8c8c}.tx-card.label-dispute{border-left-color:var(--warn)}.tx-top{justify-content:space-between;gap:10px;display:flex}.tx-title{font-size:14px;font-weight:600}.tx-sub{color:var(--text-secondary);margin-top:2px;font-size:12px}.tx-amount{white-space:nowrap;font-size:16px;font-weight:700}.tx-amount.expense{color:var(--text)}.tx-amount.income{color:var(--ok)}.tx-meta{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.badge{color:var(--text-secondary);background:#f5f5f5;border-radius:4px;padding:2px 6px;font-size:11px}.badge.label-shared{color:var(--primary);background:#e6f4ff}.badge.label-personal{color:#595959;background:#f5f5f5}.badge.label-dispute,.badge.status-disputed{color:var(--warn);background:#fff7e6}.badge.status-confirmed{color:var(--ok);background:#f6ffed}.tx-remark{color:var(--text-secondary);margin-top:6px;font-size:12px}.provenance{color:var(--text-secondary);margin-top:8px;font-size:12px}.provenance pre{background:#fafafa;border-radius:6px;max-height:140px;margin-top:6px;padding:8px;font-size:10px;overflow:auto}.label-picker{gap:8px;margin-top:10px;display:flex}.chip{border:1px solid var(--border);cursor:pointer;color:var(--text-secondary);background:#fff;border-radius:999px;flex:1;padding:6px 0;font-size:12px}.chip.active.label-shared{border-color:var(--primary);color:var(--primary);background:#e6f4ff;font-weight:600}.chip.active.label-personal{color:#595959;background:#f5f5f5;border-color:#8c8c8c;font-weight:600}.chip.active.label-dispute{border-color:var(--warn);color:var(--warn);background:#fff7e6;font-weight:600}.cp-actions{gap:8px;margin-top:10px;display:flex}.cp-result{margin-top:8px;font-size:12px;font-weight:600}.cp-result.status-confirmed{color:var(--ok)}.cp-result.status-disputed{color:var(--warn)}.dispute-box{flex-direction:column;gap:8px;margin-top:10px;display:flex}.dispute-box textarea{border:1px solid var(--border);resize:vertical;border-radius:8px;width:100%;padding:8px;font-family:inherit;font-size:13px}.payment-cta{background:linear-gradient(145deg, var(--primary), var(--primary-dark));color:#fff;border-radius:var(--radius);text-align:center;margin-bottom:12px;padding:16px}.cta-title{opacity:.9;font-size:13px}.cta-amount{margin:6px 0 12px;font-size:28px;font-weight:700}.cta-actions{justify-content:center;gap:8px;display:flex}.cta-actions .btn.primary{color:var(--primary);background:#fff}.cta-actions .btn.ghost{color:#fff;background:0 0;border-color:#ffffffb3}.cta-toast{background:#ffffff2e;border-radius:6px;margin-top:10px;padding:6px 8px;font-size:12px}.cta-disclaimer,.legal-note{color:#ffffffbf;margin-top:10px;font-size:11px}.legal-note{color:var(--text-secondary);text-align:center;padding:8px 4px 24px}.no-pay-banner{color:var(--warn);text-align:center;background:#fff7e6;border:1px dashed #ffd591;border-radius:8px;margin-bottom:12px;padding:10px;font-size:12px;font-weight:600}.toolbar{flex-wrap:wrap;gap:8px;display:flex}.action-links{flex-direction:column;gap:8px;display:flex}.action-link{background:#f5f8ff;border-radius:8px;padding:10px 12px;font-size:14px;font-weight:500;display:block}.action-link.warn{color:var(--warn);background:#fff7e6}.session-list{list-style:none}.session-item{border-bottom:1px solid var(--border);color:inherit;justify-content:space-between;align-items:center;padding:12px 0;display:flex}.session-item:last-child{border-bottom:none}.session-title{font-size:14px;font-weight:600}.session-meta{color:var(--text-secondary);margin-top:2px;font-size:12px}.chevron{color:var(--text-secondary);font-size:18px}.empty{text-align:center;color:var(--text-secondary);padding:24px 12px;font-size:13px}.link{font-size:12px}.mt{margin-top:12px}.ok-box{color:var(--ok);background:#f6ffed;border:1px solid #b7eb8f;border-radius:8px;margin-bottom:12px;padding:10px;font-size:12px}.share-box h3{margin-bottom:6px}.share-url{word-break:break-all;border:1px dashed var(--border);color:var(--text);-webkit-user-select:all;user-select:all;background:#fafafa;border-radius:8px;margin-bottom:10px;padding:10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.empty-title{color:var(--text);margin-bottom:6px;font-size:15px;font-weight:600}.import-panel .ok-box,.import-panel .error-box{margin-top:10px}