:root{--color-primary: #155DFC;--color-primary-light: #e8efff;--color-success: #00C950;--color-gradient: linear-gradient(135deg, #2B7FFF, #00C950);--color-bg: #fafbfc;--color-surface: #ffffff;--color-border: #e8eaed;--color-text: #1a1a2e;--color-text-secondary: #717182;--color-text-muted: #9ca3af;--color-sidebar-bg: #ffffff;--color-sidebar-hover: #f4f6f8;--color-sidebar-active: #e8efff;--color-danger: #dc2626;--color-warning: #f59e0b;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--shadow-sm: 0 1px 3px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.06);--shadow-lg: 0 12px 32px rgba(0,0,0,.08);--font: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--color-surface);border-right:1px solid var(--color-border);padding:24px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.sidebar-logo{font-size:20px;font-weight:700;margin-bottom:28px;padding:0 8px;background:var(--color-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar-select{width:100%;padding:10px 12px;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;color:var(--color-text);background:var(--color-surface);margin-bottom:20px;cursor:pointer;outline:none;transition:border-color .15s}.sidebar-select:focus{border-color:var(--color-primary)}.project-switcher{margin-bottom:20px}.project-domain{font-size:11px;color:var(--color-text-muted);padding:2px 8px;margin-top:4px}.sidebar-nav{display:flex;flex-direction:column;gap:2px;flex:1}.sidebar-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);text-decoration:none;font-size:14px;font-weight:500;color:var(--color-text-secondary);transition:all .15s}.sidebar-link:hover{background:var(--color-sidebar-hover);color:var(--color-text)}.sidebar-link.active{background:var(--color-sidebar-active);color:var(--color-primary);font-weight:600}.sidebar-logout{padding:10px 12px;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);background:transparent;color:var(--color-text-secondary);font-size:14px;cursor:pointer;transition:all .15s}.sidebar-logout:hover{border-color:var(--color-danger);color:var(--color-danger)}.main-content{flex:1;overflow:auto;padding:32px;max-width:1200px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm)}.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:24px}.metric-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:16px;text-align:center;transition:box-shadow .15s}.metric-card:hover{box-shadow:var(--shadow-md)}.metric-value{font-size:28px;font-weight:700;color:var(--color-text)}.metric-value.danger{color:var(--color-danger)}.metric-value.warning{color:var(--color-warning)}.metric-label{font-size:12px;color:var(--color-text-secondary);margin-top:4px}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}.info-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:14px 16px}.info-label{font-size:11px;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}.info-value{font-size:14px;font-weight:500;color:var(--color-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;background:var(--color-gradient);color:#fff;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;box-shadow:0 4px 12px #2b7fff40;transition:transform .15s,box-shadow .15s}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #2b7fff59}.btn-secondary{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;background:transparent;color:var(--color-text-secondary);border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s}.btn-secondary:hover{border-color:var(--color-primary);color:var(--color-primary)}.filter-bar{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:20px;margin-bottom:20px;box-shadow:var(--shadow-sm)}.filter-bar-title{font-size:11px;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}.filter-row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}.filter-group label{display:block;font-size:11px;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}.filter-group select{padding:8px 12px;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:13px;color:var(--color-text);background:var(--color-surface);min-width:110px;cursor:pointer;outline:none;transition:border-color .15s}.filter-group select:focus{border-color:var(--color-primary)}.filter-group select.active{background:var(--color-primary-light);border-color:var(--color-primary)}.table{width:100%;border-collapse:collapse}.table th{padding:10px 16px;font-size:11px;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;border-bottom:1.5px solid var(--color-border);text-align:left}.table th.center{text-align:center}.table td{padding:14px 16px;border-bottom:1px solid #f3f4f6;vertical-align:top}.table tr{cursor:pointer;transition:background .1s}.table tbody tr:hover{background:#f8f9fb}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500}.badge-active{background:#dcfce7;color:#16a34a}.badge-inactive{background:#f3f4f6;color:#6b7280}.badge-gradient{background:var(--color-gradient);color:#fff;font-weight:600;letter-spacing:.02em}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-title{font-size:24px;font-weight:700;color:var(--color-text)}.session-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--color-text);flex-wrap:wrap}.session-meta-item{display:inline-flex;align-items:center;gap:4px}.session-timestamp{font-size:12px;color:var(--color-text-muted);margin-top:6px}.session-watch-btn{display:inline-flex;align-items:center;gap:4px;background:var(--color-primary);color:#fff;border-radius:6px;padding:5px 12px;font-size:13px;font-weight:500;border:none;cursor:pointer}.session-duration{font-size:13px;color:var(--color-text-secondary);margin-top:4px}.count-danger{color:var(--color-danger)}.count-warning{color:var(--color-warning)}.count-muted{color:var(--color-text-muted)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-bg)}.login-card{background:var(--color-surface);border-radius:var(--radius-xl);padding:48px;width:100%;max-width:420px;box-shadow:var(--shadow-lg)}.login-logo{font-size:28px;font-weight:700;text-align:center;margin-bottom:32px;background:var(--color-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.login-input{width:100%;padding:12px 16px;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:14px;margin-bottom:12px;outline:none;transition:border-color .15s}.login-input:focus{border-color:var(--color-primary)}.login-btn{width:100%;padding:14px;background:var(--color-gradient);color:#fff;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;box-shadow:0 4px 16px #2b7fff4d;transition:transform .15s}.login-btn:hover{transform:translateY(-1px)}.login-toggle{display:block;margin-top:16px;text-align:center;background:none;border:none;color:var(--color-primary);font-size:14px;cursor:pointer}.login-error{color:var(--color-danger);font-size:14px;margin-bottom:12px;text-align:center}