:root{--bg: #f1f5f9;--card: #ffffff;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--accent: #16a34a;--accent-dark: #15803d}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.app{max-width:1200px;margin:0 auto;padding:16px}.topbar{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:16px}.topbar-right{display:flex;align-items:center;gap:12px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.login-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:28px;width:100%;max-width:360px;box-shadow:0 10px 30px #00000014}.login-logo{margin:0 0 4px;font-size:1.5rem}.login-card label{display:block;font-size:.85rem;color:var(--muted);margin-top:14px}.login-card input{width:100%;margin-top:5px;padding:9px 11px;border:1px solid var(--border);border-radius:8px;font:inherit}.login-card .btn{width:100%;margin-top:20px;padding:10px}.logo{margin:0;font-size:1.5rem;cursor:pointer}.muted{color:var(--muted)}.small{font-size:.8rem}.center{text-align:center;padding:40px}.warn{color:#dc2626;font-weight:600}.banner.error{background:#fee2e2;color:#991b1b;padding:10px 14px;border-radius:8px;margin-bottom:12px}.empty{background:var(--card);border:1px dashed var(--border);border-radius:12px;padding:40px;text-align:center}code{background:#f1f5f9;padding:1px 5px;border-radius:4px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}.card{text-align:left;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;cursor:pointer;font:inherit;color:inherit;transition:transform .08s ease,box-shadow .08s ease}.card:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00000014}.card-head{display:flex;align-items:center;justify-content:space-between}.card-title{font-weight:700;font-size:1.05rem}.dot{width:10px;height:10px;border-radius:50%}.dot.online{background:var(--accent);box-shadow:0 0 0 3px #16a34a33}.dot.offline{background:#cbd5e1}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}.metric{display:flex;flex-direction:column}.metric.box{background:var(--bg);border-radius:8px;padding:10px}.metric-label{font-size:.75rem;color:var(--muted)}.metric-value{font-size:1.25rem;font-weight:700}.metric-value small{font-size:.7rem;color:var(--muted);font-weight:500}.card-foot{display:flex;justify-content:space-between;border-top:1px solid var(--border);padding-top:8px}.detail-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}.detail-head h2{margin:0;cursor:pointer}.ranges{margin-left:auto;display:flex;gap:6px}.btn{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:7px 12px;cursor:pointer;font:inherit}.btn:hover{background:var(--accent-dark)}.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.btn.danger{background:#dc2626}.btn.danger:hover{background:#b91c1c}.key-list{display:flex;flex-direction:column;gap:12px}.key-row{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px 16px;display:grid;gap:8px}.key-main{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.key-label{font-weight:700}.key-value{background:var(--bg);padding:4px 8px;border-radius:6px;font-size:.82rem;word-break:break-all;-webkit-user-select:all;user-select:all}.key-actions{display:flex;gap:8px}.edit-row{display:flex;gap:6px;flex-wrap:wrap}.edit-row input{padding:6px 10px;border:1px solid var(--border);border-radius:8px;font:inherit}.latest-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-bottom:20px}.charts{display:grid;grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:16px}.chart-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px}.chart-card h3{margin:0 0 10px;font-size:.95rem}