:root{--color-primary: #3b6cf7;--color-primary-hover: #2d5ce8;--color-primary-light: #ebf0fe;--color-sev1: #ef4444;--color-sev1-bg: #fef2f2;--color-sev2: #f97316;--color-sev2-bg: #fff7ed;--color-sev3: #eab308;--color-sev3-bg: #fefce8;--color-status-detected: #6b7280;--color-status-responding: #3b6cf7;--color-status-mitigating: #f97316;--color-status-resolved: #22c55e;--color-status-postmortem: #a855f7;--color-status-closed: #9ca3af;--color-bg: #f8fafc;--color-bg-card: #ffffff;--color-border: #e2e8f0;--color-border-focus: #3b6cf7;--color-text: #1e293b;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--color-danger: #ef4444;--color-danger-hover: #dc2626;--color-success: #22c55e;--color-warning: #f59e0b;--sidebar-width: 240px;--header-height: 56px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .07), 0 2px 4px -2px rgb(0 0 0 / .07);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .08), 0 4px 6px -4px rgb(0 0 0 / .08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px;color:var(--color-text);background:var(--color-bg);line-height:1.5;-webkit-font-smoothing:antialiased}#app{height:100%}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}input,textarea,select{font-family:inherit;font-size:inherit}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:var(--radius-md);font-size:14px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:background .15s,border-color .15s,color .15s;white-space:nowrap;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover);text-decoration:none}.btn-secondary{background:#fff;color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg);text-decoration:none}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--color-danger-hover);text-decoration:none}.btn-ghost{background:transparent;color:var(--color-text-secondary);border-color:transparent}.btn-ghost:hover:not(:disabled){background:var(--color-bg);color:var(--color-text);text-decoration:none}.btn-sm{padding:4px 10px;font-size:12px}.btn-icon{padding:6px;border-radius:var(--radius-md)}.form-group{display:flex;flex-direction:column;gap:4px;margin-bottom:16px}.form-label{font-size:13px;font-weight:500;color:var(--color-text)}.form-label .required{color:var(--color-danger);margin-left:2px}.form-control{width:100%;padding:8px 12px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:14px;color:var(--color-text);background:#fff;transition:border-color .15s;outline:none}.form-control:focus{border-color:var(--color-border-focus);box-shadow:0 0 0 3px #3b6cf71a}.form-control.error{border-color:var(--color-danger)}.form-hint{font-size:12px;color:var(--color-text-muted)}.form-error{font-size:12px;color:var(--color-danger)}textarea.form-control{resize:vertical;min-height:80px}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px}.table-container{overflow-x:auto}table.data-table{width:100%;border-collapse:collapse;font-size:14px}table.data-table th{text-align:left;padding:10px 16px;background:var(--color-bg);color:var(--color-text-secondary);font-weight:500;font-size:12px;border-bottom:1px solid var(--color-border);white-space:nowrap}table.data-table td{padding:12px 16px;border-bottom:1px solid var(--color-border);vertical-align:middle}table.data-table tr:last-child td{border-bottom:none}table.data-table tr:hover td{background:var(--color-bg)}table.data-table tr.row-overdue td{background:#fef2f2}.pagination{display:flex;align-items:center;gap:8px;justify-content:center;padding:16px}.pagination-info{font-size:13px;color:var(--color-text-secondary);margin-left:auto}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:100px;font-size:12px;font-weight:500;white-space:nowrap}.alert{padding:12px 16px;border-radius:var(--radius-md);font-size:14px;border:1px solid transparent}.alert-error{background:var(--color-sev1-bg);color:var(--color-danger);border-color:#fecaca}.alert-success{background:#f0fdf4;color:#16a34a;border-color:#bbf7d0}.divider{height:1px;background:var(--color-border);margin:16px 0}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:20px;height:20px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:.4}}.blink{animation:blink 1.5s ease-in-out infinite}