:root{--bg:#f8fafc;--fg:#0f172a;--card:#ffffff;--card-border:#e2e8f0;--muted:#f1f5f9;--muted-fg:#64748b;--primary:#2563eb;--primary-fg:#ffffff;--destructive:#ef4444;--success:#22c55e;--warning:#eab308;--radius:8px;--font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--fg);line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-100%;left:16px;z-index:1000;padding:8px 16px;background:var(--primary);color:var(--primary-fg);border-radius:var(--radius);font-size:14px;font-weight:500;text-decoration:none}.skip-link:focus{top:8px}.ops-layout{display:flex;min-height:100vh}.ops-sidebar{width:260px;background:var(--card);border-right:1px solid var(--card-border);display:flex;flex-direction:column;flex-shrink:0;position:-webkit-sticky;position:sticky;top:0;height:100vh;overflow-y:auto}.ops-sidebar-header{padding:20px 16px;border-bottom:1px solid var(--card-border)}.ops-sidebar-header h1{font-size:16px;font-weight:700}.ops-sidebar-header .user-info{margin-top:12px;font-size:13px;color:var(--muted-fg)}.ops-sidebar-header .user-info .name{color:var(--fg);font-weight:500}.ops-sidebar-nav{flex:1 1;padding:8px 0}.ops-sidebar-section{padding:8px 16px 4px}.ops-sidebar-section .section-label{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted-fg);font-weight:600;margin-bottom:4px}.ops-sidebar-link{display:block;padding:8px 16px;font-size:14px;color:var(--fg);text-decoration:none;border-left:3px solid transparent;transition:background .1s,border-color .1s}.ops-sidebar-link:hover{background:var(--muted);text-decoration:none}.ops-sidebar-link.active{background:var(--muted);border-left-color:var(--primary);font-weight:500}.ops-sidebar-footer{padding:16px;border-top:1px solid var(--card-border)}.ops-content{flex:1 1;max-width:1200px;padding:24px 32px;min-width:0}.card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:24px;margin-bottom:16px}.card h2{font-size:18px;font-weight:600;margin-bottom:12px}.card p{color:var(--muted-fg)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;font-weight:500;margin-bottom:4px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--card-border);border-radius:var(--radius);font-size:14px;font-family:inherit}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:2px solid var(--primary);outline-offset:-1px}.form-group textarea{min-height:80px;resize:vertical}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:var(--radius);font-size:14px;font-weight:500;border:none;cursor:pointer;font-family:inherit;transition:opacity .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:var(--radius)}.btn-primary{background:var(--primary);color:var(--primary-fg)}.btn-primary:hover:not(:disabled){opacity:.9}.btn-secondary{background:var(--muted);color:var(--fg)}.btn-destructive{background:var(--destructive);color:#fff}.btn-sm{padding:6px 12px;font-size:13px}.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:16px;font-size:14px}.alert-error{background:#fef2f2;color:var(--destructive);border:1px solid #fecaca}.alert-success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:500}.badge-active{background:#dbeafe;color:#1e40af}.badge-success{background:#dcfce7;color:#166534}.badge-warning{background:#fef9c3;color:#854d0e}.badge-error{background:#fef2f2;color:#991b1b}.badge-muted{background:var(--muted);color:var(--muted-fg)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:32px;width:100%;max-width:420px}.auth-card h1{font-size:24px;font-weight:700;margin-bottom:8px}.auth-card .subtitle{color:var(--muted-fg);margin-bottom:24px;font-size:14px}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th{text-align:left;padding:10px 12px;font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.3px;color:var(--muted-fg);border-bottom:2px solid var(--card-border)}.data-table td{padding:10px 12px;border-bottom:1px solid var(--card-border)}.data-table tbody tr:hover{background:var(--muted)}.data-table .row-link{display:table-row;cursor:pointer}.sla-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.sla-ok{background:var(--success)}.sla-warn{background:var(--warning)}.sla-breach{background:var(--destructive)}.detail-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}@media (max-width:768px){.detail-grid{grid-template-columns:1fr}}.detail-item label{display:block;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.3px;color:var(--muted-fg);margin-bottom:2px}.detail-item .value{font-size:14px}.action-panel{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:20px;margin-bottom:12px}.action-panel h3{font-size:15px;font-weight:600;margin-bottom:8px}.action-panel p{color:var(--muted-fg);font-size:13px;margin-bottom:12px}.timeline-list{list-style:none}.timeline-item{position:relative;padding:12px 0 12px 24px;border-left:2px solid var(--card-border)}.timeline-item:before{content:"";position:absolute;left:-5px;top:16px;width:8px;height:8px;border-radius:50%;background:var(--primary)}.timeline-item .timeline-states{font-weight:500;font-size:14px}.timeline-item .timeline-meta{font-size:12px;color:var(--muted-fg);margin-top:2px}.note-card{background:var(--muted);border-radius:var(--radius);padding:12px 16px;margin-bottom:8px}.note-card .note-header{display:flex;align-items:center;gap:8px;margin-bottom:4px;font-size:12px;color:var(--muted-fg)}.note-card .note-body{font-size:14px;white-space:pre-wrap}.message-list{display:flex;flex-direction:column;gap:12px}.message-bubble{padding:12px 16px;border-radius:var(--radius);max-width:80%;font-size:14px}.message-bubble.sent{background:var(--primary);color:var(--primary-fg);align-self:flex-end}.message-bubble.received{background:var(--muted);align-self:flex-start}.message-meta{font-size:11px;color:var(--muted-fg);margin-top:4px}.question-card{margin-bottom:20px}.question-card .question-text{font-size:15px;font-weight:500;margin-bottom:8px}.question-card .category-tag{font-size:11px;text-transform:uppercase;color:var(--muted-fg);letter-spacing:.5px;margin-bottom:4px}.question-card .answer{font-size:14px;padding:8px 12px;background:var(--muted);border-radius:var(--radius)}.prereq-list{list-style:none;font-size:13px;margin-bottom:12px}.prereq-list li{padding:3px 0}.prereq-list .prereq-pass{color:#166534}.prereq-list .prereq-fail{color:var(--destructive)}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-header h1{font-size:22px;font-weight:700}.confirm-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:100}.confirm-dialog{background:var(--card);border-radius:var(--radius);padding:24px;max-width:440px;width:90%}.confirm-dialog h3{font-size:16px;font-weight:600;margin-bottom:8px}.confirm-dialog p{font-size:14px;color:var(--muted-fg);margin-bottom:16px}.confirm-dialog .actions{display:flex;gap:8px;justify-content:flex-end}.tabs{display:flex;gap:0;border-bottom:2px solid var(--card-border);margin-bottom:16px}.tab-btn{padding:8px 16px;font-size:14px;font-weight:500;background:none;cursor:pointer;color:var(--muted-fg);border:none;border-bottom:2px solid transparent;margin-bottom:-2px;font-family:inherit}.tab-btn:hover{color:var(--fg)}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}.flex-row{display:flex;align-items:center;gap:8px}.gap-sm{gap:4px}.gap-lg{gap:16px}.mb-sm{margin-bottom:8px}.mb-md{margin-bottom:16px}.mb-lg{margin-bottom:24px}.text-muted{color:var(--muted-fg)}.text-sm{font-size:13px}