:root{--primary: #3b82f6;--primary-hover: #2563eb;--primary-light: #eff6ff;--bg-main: #f8fafc;--bg-card: #ffffff;--text-main: #0f172a;--text-muted: #64748b;--border: #e2e8f0;--border-focus: #93c5fd;--status-open: #3b82f6;--status-open-bg: #dbeafe;--status-in-progress: #f59e0b;--status-in-progress-bg: #fef3c7;--status-resolved: #10b981;--status-resolved-bg: #d1fae5;--status-closed: #64748b;--status-closed-bg: #f1f5f9;--priority-high: #ef4444;--priority-high-bg: #fee2e2;--priority-medium: #f59e0b;--priority-medium-bg: #fef3c7;--priority-low: #10b981;--priority-low-bg: #d1fae5;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius: 8px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-main);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}.container{max-width:1200px;margin:0 auto;padding:24px 16px}.navbar{background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:40}.navbar-inner{max-width:1200px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;justify-content:space-between}.nav-brand{font-size:1.2rem;font-weight:700;color:var(--primary);text-decoration:none;display:flex;align-items:center;gap:8px}.nav-links{display:flex;align-items:center;gap:16px}.nav-link{color:var(--text-muted);text-decoration:none;font-weight:500;font-size:.95rem;padding:6px 12px;border-radius:var(--radius);transition:all .2s ease}.nav-link:hover,.nav-link.active{color:var(--primary);background:var(--primary-light)}.card{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-sm);padding:24px;margin-bottom:20px}.card-title{font-size:1.25rem;font-weight:600;margin-bottom:16px;color:var(--text-main)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}.stat-label{font-size:.85rem;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.stat-number{font-size:1.8rem;font-weight:700;margin-top:8px;color:var(--text-main)}.badge{display:inline-block;padding:4px 10px;border-radius:9999px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.badge-open{background:var(--status-open-bg);color:var(--status-open)}.badge-in-progress{background:var(--status-in-progress-bg);color:var(--status-in-progress)}.badge-resolved{background:var(--status-resolved-bg);color:var(--status-resolved)}.badge-closed{background:var(--status-closed-bg);color:var(--status-closed)}.badge-high{background:var(--priority-high-bg);color:var(--priority-high)}.badge-medium{background:var(--priority-medium-bg);color:var(--priority-medium)}.badge-low{background:var(--priority-low-bg);color:var(--priority-low)}.badge-role{background:#ede9fe;color:#7c3aed}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;font-size:.95rem;font-weight:500;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:all .2s ease;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-outline{background:#fff;border-color:var(--border);color:var(--text-main)}.btn-outline:hover:not(:disabled){background:var(--bg-main);border-color:#cbd5e1}.btn-danger{background:#fee2e2;color:#dc2626}.btn-danger:hover:not(:disabled){background:#fecaca}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-sm{padding:4px 10px;font-size:.85rem}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.9rem;font-weight:500;color:var(--text-main);margin-bottom:6px}.form-control{width:100%;padding:10px 12px;font-size:.95rem;border-radius:var(--radius);border:1px solid var(--border);background-color:#fff;color:var(--text-main);outline:none;font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px #3b82f626}textarea.form-control{min-height:100px;resize:vertical}.alert{padding:12px 16px;border-radius:var(--radius);font-size:.95rem;margin-bottom:16px}.alert-error{background-color:#fef2f2;border:1px solid #fecaca;color:#b91c1c}.alert-success{background-color:#f0fdf4;border:1px solid #bbf7d0;color:#15803d}.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:20px}.filters-group{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.table-responsive{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border);background:#fff}table{width:100%;border-collapse:collapse;text-align:left;font-size:.92rem}th{background-color:#f8fafc;padding:12px 16px;font-weight:600;color:var(--text-muted);border-bottom:1px solid var(--border);text-transform:uppercase;font-size:.75rem;letter-spacing:.05em}td{padding:14px 16px;border-bottom:1px solid var(--border);vertical-align:middle}tr:last-child td{border-bottom:none}tbody tr:hover{background-color:#f8fafc}.auth-wrapper{min-height:85vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{width:100%;max-width:440px;background:#fff;padding:32px;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-md)}.auth-card h2{font-size:1.6rem;font-weight:700;margin-bottom:6px;color:var(--text-main)}.auth-subtitle{color:var(--text-muted);font-size:.92rem;margin-bottom:24px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}.modal-card{background:#fff;width:100%;max-width:540px;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-lg);max-height:90vh;overflow-y:auto}.comments-list{display:flex;flex-direction:column;gap:16px;margin:20px 0}.comment-item{padding:16px;border-radius:var(--radius);border:1px solid var(--border);background:#f8fafc}.comment-item.agent-reply{background:#eff6ff;border-color:#bfdbfe}.comment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.comment-author{font-weight:600;font-size:.95rem;display:flex;align-items:center;gap:8px}.comment-time{font-size:.8rem;color:var(--text-muted)}.comment-body{font-size:.92rem;color:var(--text-main);white-space:pre-wrap}.text-center{text-align:center}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-2{gap:8px}.gap-4{gap:16px}.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted)}