:root{--bg: #f8fafc;--surface: #ffffff;--surface2: #f1f5f9;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--primary: #1d4ed8;--primary-dark: #1e3a8a;--primary-light: #dbeafe;--accent: #f97316;--success: #16a34a;--warning: #d97706;--danger: #dc2626;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.05)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,system-ui,sans-serif;font-size:14px;min-height:100vh;-webkit-font-smoothing:antialiased}.header{display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:56px;background:var(--surface);border-bottom:1px solid 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var(--border)}.alerts-page{padding:20px}.alerts-toolbar{display:flex;gap:10px;margin-bottom:14px;align-items:center}.filter-btn{padding:5px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--muted);cursor:pointer;font-size:12px}.filter-btn.active{border-color:var(--primary);color:var(--primary)}.alert-table{width:100%;border-collapse:collapse}.alert-table th{text-align:left;padding:8px 10px;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);border-bottom:1px solid var(--border)}.alert-table td{padding:10px;border-bottom:1px solid var(--border);vertical-align:middle}.alert-table tr:hover td{background:var(--surface2)}.badge{display:inline-block;padding:2px 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