:root{--blue: #0075a9;--blue-dark: #005a82;--blue-light: #e8f4fa;--bg: #f5f7fa;--surface: #fff;--border: #e2e8f0;--text: #1a202c;--text-muted: #64748b;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--mono: "Space Mono", monospace;--sans: "DM Sans", sans-serif;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 6px rgba(0,0,0,.07)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--sans);background:var(--bg);color:var(--text);font-size:14px}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--text);color:#fff;display:flex;flex-direction:column;position:fixed;height:100vh;overflow-y:auto}.sidebar-logo{padding:24px 20px 16px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-logo span{font-family:var(--mono);font-size:10px;color:var(--blue);display:block}.sidebar-logo h2{font-size:16px;font-weight:600;color:#fff;margin-top:2px}.sidebar nav{padding:12px 0;flex:1}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 20px;color:#fff9;text-decoration:none;font-size:13px;font-weight:500;transition:all .15s;border-left:3px solid transparent}.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}.nav-link.active{color:#fff;border-left-color:var(--blue);background:rgba(0,117,169,.15)}.main-content{margin-left:220px;flex:1;padding:28px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card-title{font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px;margin-bottom:22px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.stat-value{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--blue)}.stat-label{font-size:11px;color:var(--text-muted);margin-top:3px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;padding:9px 14px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);border-bottom:2px solid var(--border)}td{padding:11px 14px;border-bottom:1px solid var(--border)}tr:hover td{background:var(--blue-light)}tr:last-child td{border-bottom:none}.badge{display:inline-block;padding:2px 8px;border-radius:100px;font-size:11px;font-weight:600}.badge-online{background:#d1fae5;color:#065f46}.badge-offline{background:#fee2e2;color:#991b1b}.badge-product{background:var(--blue-light);color:var(--blue)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:13px;font-weight:500;cursor:pointer;border:none;text-decoration:none;transition:all .15s;font-family:var(--sans)}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-dark)}.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg)}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:5px 10px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:14px}label{display:block;font-size:11px;font-weight:700;color:var(--text-muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:.04em}input,select,textarea{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;font-family:var(--sans);background:var(--surface);color:var(--text);outline:none;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--blue)}input[type=checkbox]{width:auto}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.page-header h1{font-size:20px;font-weight:600}.api-key{font-family:var(--mono);font-size:11px;background:var(--bg);padding:3px 7px;border-radius:4px;border:1px solid var(--border)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--text)}.login-card{background:var(--surface);border-radius:12px;padding:40px;width:360px}.login-card .logo{text-align:center;margin-bottom:28px}.login-card .logo span{font-family:var(--mono);font-size:10px;color:var(--blue)}.login-card .logo h1{font-size:20px;margin-top:4px}.text-muted{color:var(--text-muted)}.flex{display:flex;align-items:center}.gap-2{gap:8px}.gap-3{gap:12px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.error-msg{color:var(--danger);font-size:12px;margin-top:6px}.mb-4{margin-bottom:16px}.mt-4{margin-top:16px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--surface);border-radius:10px;padding:28px;width:480px;max-height:90vh;overflow-y:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-header h2{font-size:16px;font-weight:600}.param-row{display:grid;grid-template-columns:36px 1fr 100px auto;gap:8px;align-items:center;padding:6px 0;border-bottom:1px solid var(--border)}.param-row:last-child{border-bottom:none}.param-idx{font-family:var(--mono);font-size:11px;color:var(--text-muted);text-align:right}