:root{--bg:#f4f6fb;--panel:#fff;--border:#e4e8f1;--text:#1c2333;--muted:#6b7386;--primary:#3f5dfb;--primary-dark:#2f47d1;--success:#16a34a;--success-bg:#e9fbf0;--danger:#dc2626;--danger-bg:#fdecec;--warn-bg:#fff7e6;--radius:12px;--shadow:0 2px 10px #1c23330f;--sidebar-bg:#161b2e;--sidebar-text:#cfd3e6;--sidebar-active:#3f5dfb;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit}a{color:inherit}.auth-screen{background:linear-gradient(135deg,#3f5dfb 0%,#7c3fed 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-wrap{background:var(--panel);border-radius:20px;width:100%;max-width:920px;display:flex;overflow:hidden;box-shadow:0 30px 80px #00000040}.auth-hero{color:#fff;background:linear-gradient(160deg,#2f47d1,#7c3fed);flex-direction:column;flex:1;justify-content:center;gap:16px;padding:48px 40px;display:flex}.auth-hero .brand{align-items:center;gap:10px;font-size:18px;font-weight:700;display:flex}.auth-hero h2{margin:0;font-size:26px}.auth-hero p{color:#e5e8ff;font-size:14px;line-height:1.5}.auth-hero .mock-window{background:#fff2;border:1px solid #fff3;border-radius:12px;margin-top:20px;padding:16px}.auth-hero .mock-bar{background:#fff5;border-radius:4px;height:8px;margin-bottom:8px}.auth-card{background:var(--panel);flex-direction:column;justify-content:center;width:400px;padding:44px 40px;display:flex}.auth-card h1{margin:0 0 4px;font-size:22px}.auth-card p.sub{color:var(--muted);margin-top:0;margin-bottom:24px;font-size:14px}.field{margin-bottom:16px}.field label{color:var(--text);margin-bottom:6px;font-size:13px;font-weight:600;display:block}.field input,.field select,.field textarea{border:1px solid var(--border);border-radius:8px;outline:none;width:100%;padding:10px 12px;font-size:14px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary)}.field-row{justify-content:space-between;align-items:center;margin-bottom:16px;font-size:13px;display:flex}.field-row a{color:var(--primary);font-weight:600;text-decoration:none}.social-row{gap:10px;margin-bottom:20px;display:flex}.social-btn{border:1px solid var(--border);background:#fff;border-radius:8px;flex:1;justify-content:center;align-items:center;padding:10px;font-size:18px;display:flex}.divider{color:var(--muted);align-items:center;gap:10px;margin:18px 0;font-size:12px;display:flex}.divider:before,.divider:after{content:"";background:var(--border);flex:1;height:1px}.btn{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:10px 18px;font-size:14px;font-weight:600;transition:background .15s}.btn:hover{background:var(--primary-dark)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.btn-block{width:100%}.btn.btn-outline{color:var(--primary);border:1px solid var(--primary);background:0 0}.btn.btn-outline:hover{background:#eef1ff}.btn.btn-danger{background:var(--danger)}.btn.btn-danger.btn-outline{color:var(--danger);border-color:var(--danger);background:#fff}.btn.btn-sm{padding:6px 12px;font-size:13px}.error-text{color:var(--danger);margin:8px 0;font-size:13px}.success-text{color:var(--success);margin:8px 0;font-size:13px}.auth-switch{text-align:center;color:var(--muted);margin-top:16px;font-size:13px}.auth-switch a{color:var(--primary);cursor:pointer;font-weight:600;text-decoration:none}.app-shell{min-height:100vh;display:flex}.sidebar{color:var(--sidebar-text);background:var(--sidebar-bg);flex-direction:column;flex-shrink:0;gap:4px;width:220px;padding:20px 14px;display:flex}.sidebar .brand{color:#fff;border-bottom:1px solid #ffffff14;align-items:center;gap:10px;margin-bottom:14px;padding:0 10px 22px;font-size:15px;font-weight:700;display:flex}.sidebar .brand .logo-badge{background:var(--primary);border-radius:8px;justify-content:center;align-items:center;width:30px;height:30px;font-size:15px;display:flex}.nav-link{color:var(--sidebar-text);cursor:pointer;border-radius:8px;align-items:center;gap:10px;padding:10px 12px;font-size:14px;font-weight:500;text-decoration:none;display:flex}.nav-link:hover{color:#fff;background:#ffffff0f}.nav-link.active{background:var(--sidebar-active);color:#fff}.nav-link .ic{text-align:center;width:18px}.sidebar-footer{border-top:1px solid #ffffff14;margin-top:auto;padding-top:14px}.main-col{flex-direction:column;flex:1;min-width:0;display:flex}.topbar{border-bottom:1px solid var(--border);background:#fff;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:14px 26px;display:flex}.topbar h2{margin:0;font-size:18px}.topbar .sub{color:var(--muted);margin-top:2px;font-size:13px}.topbar-actions{align-items:center;gap:10px;display:flex}.avatar-chip{color:var(--text);align-items:center;gap:8px;font-size:13px;font-weight:600;display:flex}.avatar-chip .dot{background:var(--primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;font-size:13px;display:flex}.page-body{flex:1;padding:24px 26px}select.range-select{border:1px solid var(--border);background:#fff;border-radius:8px;padding:8px 12px;font-size:13px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}.kpi-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:20px;display:grid}.kpi-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px}.kpi-card .label{color:var(--muted);text-transform:uppercase;letter-spacing:.03em;font-size:12.5px;font-weight:600}.kpi-card .value{margin:6px 0 4px;font-size:26px;font-weight:700}.kpi-card .delta{font-size:12.5px;font-weight:600}.kpi-card .delta.up{color:var(--success)}.kpi-card .delta.down{color:var(--danger)}.section-title{align-items:center;gap:8px;margin:0 0 14px;font-size:15px;font-weight:700;display:flex}.chart-card{margin-bottom:20px}.two-col{grid-template-columns:2fr 1fr;gap:20px;display:grid}@media (width<=900px){.two-col{grid-template-columns:1fr}}table.data-table{border-collapse:collapse;width:100%;font-size:13.5px}table.data-table th{text-align:left;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--border);padding:10px 12px;font-size:12px;font-weight:600}table.data-table td{border-bottom:1px solid var(--border);padding:12px}table.data-table tr:last-child td{border-bottom:none}.badge{border-radius:20px;align-items:center;gap:5px;padding:3px 10px;font-size:12px;font-weight:600;display:inline-flex}.badge.active{background:var(--success-bg);color:var(--success)}.badge.paused{background:var(--warn-bg);color:#b7791f}.badge.ended{background:var(--danger-bg);color:var(--danger)}.badge.connected{background:var(--success-bg);color:var(--success)}.badge.disconnected{background:var(--danger-bg);color:var(--danger)}.conn-card{border:1px solid var(--border);border-radius:var(--radius);background:#fff;margin-bottom:16px;padding:18px 20px}.conn-card .conn-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.conn-card .conn-title{align-items:center;gap:10px;font-size:15px;font-weight:700;display:flex}.conn-card .conn-icon{background:#eef1ff;border-radius:9px;justify-content:center;align-items:center;width:34px;height:34px;font-size:17px;display:flex}.conn-card .conn-meta{color:var(--muted);margin-top:6px;font-size:13px}.conn-card .note{color:var(--muted);background:#f6f7fb;border-radius:8px;margin-top:10px;padding:8px 12px;font-size:12.5px}.markup-row{align-items:center;gap:10px;margin-top:12px;display:flex}.markup-row input{width:80px}.toggle{flex-shrink:0;width:42px;height:24px;display:inline-block;position:relative}.toggle input{opacity:0;width:0;height:0}.toggle .slider{background:#d5d8e6;border-radius:24px;transition:all .15s;position:absolute;inset:0}.toggle .slider:before{content:"";background:#fff;border-radius:50%;width:18px;height:18px;transition:all .15s;position:absolute;top:3px;left:3px}.toggle input:checked+.slider{background:var(--primary)}.toggle input:checked+.slider:before{transform:translate(18px)}.toggle-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:12px 0;display:flex}.toggle-row:last-child{border-bottom:none}.toggle-row .ttl{font-size:13.5px;font-weight:600}.toggle-row .desc{color:var(--muted);margin-top:2px;font-size:12px}.grid-2{grid-template-columns:1fr 1fr;gap:16px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}@media (width<=800px){.grid-2,.grid-3{grid-template-columns:1fr}}.activity-list{flex-direction:column;gap:14px;margin:0;padding:0;list-style:none;display:flex}.activity-list li{gap:10px;font-size:13px;display:flex}.activity-list .ic{width:28px;height:28px;color:var(--primary);background:#eef1ff;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.activity-list .t{font-weight:600}.activity-list .time{color:var(--muted);font-size:12px}.tabs{border-bottom:1px solid var(--border);gap:6px;margin-bottom:18px;display:flex}.tab{color:var(--muted);cursor:pointer;border-bottom:2px solid #0000;padding:10px 4px;font-size:13.5px;font-weight:600}.tab.active{color:var(--primary);border-color:var(--primary)}.channel-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:20px;display:grid}.channel-card{border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;background:#fff;padding:16px;transition:box-shadow .15s,border-color .15s}.channel-card:hover{box-shadow:var(--shadow);border-color:var(--primary)}.channel-card.selected{border-color:var(--primary);box-shadow:0 0 0 2px #3f5dfb22}.channel-card .chan-head{align-items:center;gap:8px;margin-bottom:10px;font-size:13.5px;font-weight:700;display:flex}.channel-card .chan-metric{color:var(--muted);justify-content:space-between;margin-top:4px;font-size:12.5px;display:flex}.channel-card .chan-metric b{color:var(--text)}.back-link{color:var(--primary);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;margin-bottom:14px;padding:0;font-size:13.5px;font-weight:600;text-decoration:none;display:inline-flex}.insight-list{margin:0;padding-left:18px;font-size:13.5px;line-height:1.9}.empty-state,.loading-state{text-align:center;color:var(--muted);padding:60px 20px}.client-selector-row{align-items:center;gap:10px;margin-bottom:18px;display:flex}.pagination{justify-content:flex-end;align-items:center;gap:6px;margin-top:14px;display:flex}.pagination button{border:1px solid var(--border);background:#fff;border-radius:6px;width:28px;height:28px;font-size:12.5px}.pagination button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.text-input-inline{border:1px solid var(--border);border-radius:8px;min-width:220px;padding:8px 12px;font-size:13.5px}.settings-block{margin-bottom:26px}.settings-block h3{margin:0 0 12px;font-size:14px}