*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-dark: #1d4ed8;--bg: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--text: #1e293b;--muted: #64748b;--danger: #ef4444;--success: #22c55e;--warning: #f59e0b;--radius: 10px;--shadow: 0 1px 4px rgba(0,0,0,.08)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary);text-decoration:none}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;font-size:14px;outline:none;border:1px solid var(--border);border-radius:8px;padding:8px 12px;background:var(--surface);color:var(--text);transition:border-color .15s}input:focus,textarea:focus,select:focus{border-color:var(--primary)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;border:none;font-size:13px;font-weight:500;cursor:pointer;transition:background .15s,opacity .15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{opacity:.88}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-ghost:hover{background:var(--bg)}.btn-sm{padding:5px 12px;font-size:12px}.badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 5px;border-radius:10px;font-size:11px;font-weight:700;background:var(--danger);color:#fff}.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.status-dot.online{background:var(--success)}.status-dot.offline{background:var(--muted)}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow)}.tag{display:inline-flex;padding:2px 8px;border-radius:99px;font-size:11px;font-weight:600}.tag-new{background:#fef3c7;color:#92400e}.tag-active{background:#dcfce7;color:#166534}.tag-closed{background:#f1f5f9;color:#64748b}