:root{--bg: #f4f6fb;--card: #ffffff;--ink: #1e293b;--ink-2: #64748b;--line: #e2e8f0;--accent: #2563eb;--accent-2: #1d4ed8;--accent-soft: #eff6ff;--ok: #059669;--warn: #d97706;--danger: #dc2626;--sidebar: #0f172a;--radius: 12px;--shadow: 0 1px 3px rgb(15 23 42 / .06), 0 4px 16px rgb(15 23 42 / .06)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.6}.shell{display:flex;min-height:100vh}.sidebar{width:216px;flex-shrink:0;background:var(--sidebar);color:#cbd5e1;display:flex;flex-direction:column;padding:20px 12px;position:sticky;top:0;height:100vh}.logo{font-size:19px;font-weight:800;color:#fff;padding:4px 12px 18px;letter-spacing:.5px}.logo em{color:#60a5fa;font-style:normal}.logo small{display:block;font-size:11px;font-weight:400;color:#64748b;margin-top:2px}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;margin:2px 0;border-radius:8px;cursor:pointer;color:#94a3b8;border:none;background:none;font-size:14px;width:100%;text-align:left;transition:all .15s}.nav-item:hover{background:#ffffff0f;color:#e2e8f0}.nav-item.active{background:var(--accent);color:#fff;font-weight:600}.sidebar-foot{margin-top:auto;padding:12px;font-size:12px;color:#475569}.sidebar-foot button{background:none;border:1px solid #334155;color:#94a3b8;border-radius:6px;padding:5px 12px;cursor:pointer;width:100%}.sidebar-foot button:hover{color:#f87171;border-color:#7f1d1d}.main{flex:1;padding:28px 36px;max-width:1180px}.page-title{font-size:22px;font-weight:700;margin:0 0 4px}.page-sub{color:var(--ink-2);margin:0 0 24px;font-size:13px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 24px;margin-bottom:16px}.card h3{margin:0 0 14px;font-size:15px}input[type=text],input[type=password],input[type=month],input[type=number],select{border:1px solid var(--line);border-radius:8px;padding:9px 12px;font-size:14px;outline:none;background:#fff;color:var(--ink);transition:border .15s}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1f}.btn{border:none;border-radius:8px;padding:9px 18px;font-size:14px;cursor:pointer;background:var(--accent);color:#fff;font-weight:600;transition:background .15s}.btn:hover{background:var(--accent-2)}.btn:disabled{background:#cbd5e1;cursor:not-allowed}.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line);font-weight:500}.btn.ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.btn.sm{padding:5px 12px;font-size:13px}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge.blue{background:var(--accent-soft);color:var(--accent)}.badge.green{background:#ecfdf5;color:var(--ok)}.badge.amber{background:#fffbeb;color:var(--warn)}.badge.gray{background:#f1f5f9;color:var(--ink-2)}table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}.tbl th{text-align:left;color:var(--ink-2);font-weight:600;padding:8px 12px;border-bottom:2px solid var(--line);font-size:12.5px}.tbl td{padding:10px 12px;border-bottom:1px solid var(--line)}.tbl tr:hover td{background:#f8fafc}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e3a8a 60%,#2563eb)}.login-card{background:#fff;border-radius:16px;padding:40px 44px;width:380px;box-shadow:0 24px 64px #0000004d}.login-card h1{margin:0 0 2px;font-size:24px}.login-card h1 em{color:var(--accent);font-style:normal}.login-card p{color:var(--ink-2);margin:0 0 26px;font-size:13px}.login-card input{width:100%;margin-bottom:14px}.login-card .btn{width:100%;padding:11px}.login-err{color:var(--danger);font-size:13px;margin:-6px 0 12px}.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:16px}.kpi{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 20px}.kpi .v{font-size:26px;font-weight:800}.kpi .k{color:var(--ink-2);font-size:12.5px}.search-row{display:flex;gap:10px}.search-row input{flex:1}.opt-row{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;margin:10px 0}.pill{border:1px solid var(--line);border-radius:999px;padding:5px 14px;cursor:pointer;font-size:13px;background:#fff}.pill.on{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600}.estimate{background:var(--accent-soft);border:1px solid #bfdbfe;border-radius:10px;padding:12px 16px;margin:12px 0;font-size:13.5px}.profile-row{display:flex;align-items:center;gap:14px}.avatar{width:52px;height:52px;border-radius:50%;object-fit:cover}.kb-grid{display:grid;grid-template-columns:360px 1fr;gap:16px;align-items:start}.kb-list{max-height:640px;overflow:auto;padding:8px}.kb-item{padding:10px 12px;border-radius:8px;cursor:pointer;border-bottom:1px solid var(--line)}.kb-item:hover{background:#f8fafc}.kb-item.on{background:var(--accent-soft)}.kb-item .t{font-weight:600;font-size:13.5px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.kb-item .m{color:var(--ink-2);font-size:12px;margin-top:3px}.transcript{white-space:pre-wrap;background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:16px;font-size:13.5px;max-height:480px;overflow:auto}.chat-box{display:flex;flex-direction:column;height:620px}.chat-msgs{flex:1;overflow:auto;padding:8px 4px}.bubble{max-width:76%;padding:10px 16px;border-radius:14px;margin:6px 0;white-space:pre-wrap;font-size:14px}.bubble.user{background:var(--accent);color:#fff;margin-left:auto;border-bottom-right-radius:4px}.bubble.ai{background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}.chat-input{display:flex;gap:10px;padding-top:12px;border-top:1px solid var(--line)}.chat-input input{flex:1}.muted{color:var(--ink-2)}.mt0{margin-top:0}.report{white-space:pre-wrap;background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:18px;font-size:13.5px;max-height:560px;overflow:auto}