:root{--bg: #f5f6fa;--surface: #ffffff;--surface-alt: #f0f2f7;--border: #e2e5ec;--text: #1b2233;--text-muted: #6b7280;--primary: #3057e1;--primary-hover: #2644b5;--danger: #dc2626;--warn: #f59e0b;--ok: #16a34a;--note: #fff8d8}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--surface);border-radius:6px;padding:6px 12px}button:hover{background:var(--surface-alt)}button.primary{background:var(--primary);color:#fff;border-color:var(--primary)}button.primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}button:disabled{opacity:.6;cursor:not-allowed}input,select,textarea{font:inherit;padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:var(--surface);width:100%}textarea{min-height:120px;resize:vertical}label{display:block;margin-bottom:6px;font-weight:500}.field{margin-bottom:14px}.app-shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:20px 16px}.sidebar h1{font-size:15px;margin:0 0 18px}.sidebar nav a{display:block;padding:8px 10px;border-radius:6px;color:var(--text);margin-bottom:2px}.sidebar nav a:hover{background:var(--surface-alt);text-decoration:none}.sidebar nav a.active{background:var(--primary);color:#fff}.sidebar-user{margin-top:24px;font-size:12px;color:var(--text-muted);line-height:1.5}.badge.role-badge{background:var(--surface-alt);color:var(--text);border:1px solid var(--border)}.main{padding:24px 32px;overflow:auto}.main h2{margin-top:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:16px;margin-bottom:16px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:16px}.stat-label{color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}.stat-value{font-size:24px;font-weight:600;margin-top:4px}table{width:100%;border-collapse:collapse}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}th{color:var(--text-muted);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.04em}tr:hover td{background:var(--surface-alt)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.badge.status-new{background:#dbeafe;color:#1d4ed8}.badge.status-working{background:#fde68a;color:#92400e}.badge.status-waiting_feedback{background:#e0e7ff;color:#4338ca}.badge.status-resolved{background:#dcfce7;color:#166534}.badge.status-closed{background:#e5e7eb;color:#374151}.badge.status-canceled,.badge.priority-critical{background:#fee2e2;color:#991b1b}.badge.priority-high{background:#ffedd5;color:#9a3412}.badge.priority-medium{background:#e0e7ff;color:#4338ca}.badge.priority-low{background:#e5e7eb;color:#374151}.sla-ok{color:var(--ok)}.sla-risk{color:var(--warn)}.sla-breached{color:var(--danger);font-weight:600}.filters{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap;align-items:end}.filters .field{flex:1;min-width:160px;margin-bottom:0}.ticket-detail{display:grid;grid-template-columns:1fr 320px;gap:24px}@media (max-width: 900px){.ticket-detail{grid-template-columns:1fr}}.message{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px 14px;margin-bottom:10px}.message.inbound{border-left:3px solid var(--primary)}.message.outbound{border-left:3px solid var(--ok)}.message.internal-note{background:var(--note);border-left:3px solid var(--warn)}.message-meta{font-size:12px;color:var(--text-muted);margin-bottom:6px;display:flex;justify-content:space-between}.message-body{white-space:pre-wrap}.public-shell{max-width:560px;margin:60px auto;background:var(--surface);padding:32px;border-radius:12px;border:1px solid var(--border)}.pagination{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}