:root{--ink: #1d2129;--brand: #165dff;--side: #0b1a33;--side-2: #132849;--bg: #f2f3f5;--card: #fff;--line: #e5e6eb;--text-2: #4e5969;--text-3: #86909c;--ok: #00b42a;--warn: #ff7d00;--err: #f53f3f;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink)}*{box-sizing:border-box;scrollbar-width:none;-ms-overflow-style:none}*::-webkit-scrollbar,*::-webkit-scrollbar-button{display:none;width:0;height:0}html,body,#root{width:100%;height:100%;margin:0}body{min-width:1180px;background:var(--bg)}button,input,select,textarea{font:inherit}.app-shell{display:flex;height:100%;background:var(--bg)}.app-side{display:flex;width:220px;flex:0 0 220px;flex-direction:column;color:#c9d4e5;background:var(--side)}.demo-brand{display:flex;align-items:center;gap:10px;padding:20px 18px 16px}.brand-mark{display:grid;width:36px;height:36px;place-items:center;border-radius:8px;color:#fff;background:var(--brand);font-size:13px;font-weight:700}.demo-brand b{display:block;color:#fff;font-size:15px}.demo-brand small{display:block;margin-top:2px;color:#7d8da3;font-size:11px}.demo-nav{flex:1;overflow:auto;padding:8px}.nav-sec{padding:10px 12px 6px;color:#6e7d93;font-size:11px;letter-spacing:.06em}.demo-nav button{display:flex;width:100%;height:40px;align-items:center;gap:10px;margin-bottom:2px;border:0;border-radius:8px;padding:0 12px;color:#c9d4e5;background:transparent;font-size:13px;text-align:left}.demo-nav button:hover{background:#ffffff10}.demo-nav button.on{color:#fff;background:var(--side-2)}.side-user{display:flex;align-items:center;gap:10px;padding:14px 16px 18px;border-top:1px solid #ffffff12}.side-user b,.side-user small{display:block}.side-user b{color:#fff;font-size:13px}.side-user small{margin-top:3px;color:#7d8da3;font-size:11px}.avatar{display:grid;width:36px;height:36px;place-items:center;border-radius:50%;color:#fff;background:var(--brand);font-size:13px}.app-main{display:flex;min-width:0;flex:1;flex-direction:column}.app-top{display:flex;height:56px;align-items:center;gap:12px;padding:0 24px;border-bottom:1px solid var(--line);background:var(--card)}.app-top h2{flex:1;margin:0;font-size:16px;font-weight:600}.app-top>span{color:var(--text-3);font-size:12px}.logout{display:inline-flex;height:32px;align-items:center;gap:6px;border:1px solid var(--line);border-radius:6px;padding:0 12px;color:var(--text-2);background:#fff;font-size:12px;cursor:pointer}.app-content{flex:1;overflow:auto;padding:20px 24px 32px}.page-head{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}.page-head h3{flex:1;margin:0;font-size:16px}.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.kpi-card{min-height:104px;border:1px solid var(--line);border-radius:10px;padding:16px 18px;background:var(--card)}.kpi-card strong{display:block;margin-top:8px;font-size:24px;font-weight:650;letter-spacing:-.03em}.kpi-card small{display:block;margin-top:4px;color:var(--text-3);font-size:12px}.demo-card{border:1px solid var(--line);border-radius:10px;padding:16px 18px;background:var(--card)}.demo-card+.demo-card{margin-top:12px}.demo-card>h3{margin:0 0 12px;font-size:14px}.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.row-ops{display:flex;flex-wrap:wrap;gap:4px}.admin-login{display:grid;min-height:100%;place-items:center;background:linear-gradient(160deg,#07111f,#10243f 55%,#16325a)}.login-box{width:400px;max-width:92vw;padding:36px 32px;border-radius:14px;background:#fff;box-shadow:0 24px 60px #00000040}.login-mark{display:grid;width:42px;height:42px;place-items:center;border-radius:10px;color:#fff;background:var(--brand);font-weight:700}.login-box h1{margin:14px 0 4px;font-size:22px}.lead{margin:0 0 22px;color:var(--text-2);font-size:13px}.muted{color:var(--text-3);font-size:12px}.chat-box{display:flex;flex-direction:column;gap:10px;max-height:420px;overflow:auto;padding:8px 0}.chat-box-full{max-height:calc(100vh - 380px);min-height:360px}.chat-day{margin:8px 0;color:var(--text-3);font-size:12px;text-align:center}.bubble-who{margin-bottom:4px;font-size:11px;opacity:.75}.bubble-body{white-space:pre-wrap;word-break:break-word}.wallet-full{display:inline-flex;flex-wrap:wrap;align-items:flex-start;gap:4px;max-width:100%}.wallet-text{white-space:pre-wrap;word-break:break-all;font-size:12px;line-height:1.45}.chat-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:16px}.chat-side p{margin:6px 0;font-size:12px;color:var(--text-2)}.chat-side b{color:var(--ink)}.chat-img{display:block;max-width:220px;margin-top:6px;border-radius:8px}.calc-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:12px}.calc-item{border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:#fafafa}.calc-item span{display:block;color:var(--text-3);font-size:12px}.calc-item strong{display:block;margin-top:4px;font-size:16px}.trace-diff{color:var(--err)}.recharge-preview{max-width:280px;max-height:160px;margin-top:8px;border-radius:8px;border:1px solid var(--line)}.bubble{max-width:78%;padding:8px 12px;border-radius:10px;font-size:13px;line-height:1.5}.bubble.user{align-self:flex-start;background:#f2f3f5}.bubble.admin{align-self:flex-end;color:#fff;background:var(--brand)}.mono{font-family:ui-monospace,Consolas,monospace;font-size:12px}.settings-section{margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid var(--line)}.settings-section h4{margin:0 0 10px;font-size:14px}.msg-workspace{display:grid;grid-template-columns:300px minmax(0,1fr) 240px;gap:12px;min-height:calc(100vh - 140px)}.msg-list,.msg-chat{min-width:0}.msg-chat .chat-box{max-height:calc(100vh - 320px);min-height:360px}.unread{display:inline-block;margin-left:6px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;color:#fff;background:var(--err);font-size:10px;line-height:16px;text-align:center}.msg-row-on td{background:#e8f3ff!important}.chat-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-bottom:12px}.chat-stats div{border:1px solid var(--line);border-radius:8px;padding:8px;text-align:center;background:#fafafa}.chat-stats b{display:block;font-size:14px}.chat-stats span{color:var(--text-3);font-size:11px}