:root{--primary:#0f4c5c;--primary-dark:#0a3a46;--secondary:#2f3e46;--accent-teal:#2a9d8f;--accent-green:#52b788;--accent-red:#e63946;--bg-light:#f8f9fa;--bg-white:#fff;--text-dark:#212529;--text-muted:#6c757d;--border:#dee2e6;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--radius:12px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-light);color:var(--text-dark);font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5}h1,h2,h3{color:var(--primary);font-weight:700}.card{background:var(--bg-white);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);padding:24px}.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn-success{background:var(--accent-green);color:#fff}.btn-danger{background:var(--accent-red);color:#fff}.form-group{margin-bottom:16px}label{color:var(--text-muted);text-transform:uppercase;margin-bottom:4px;font-size:12px;font-weight:600;display:block}input,select,textarea{border:1px solid var(--border);border-radius:6px;width:100%;padding:10px 12px;font-size:14px;transition:border-color .2s}input:focus,select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #0f4c5c1a}.grid-layout{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;display:grid}.header{background:var(--primary);color:#fff;box-shadow:var(--shadow);justify-content:space-between;align-items:center;padding:16px 40px;display:flex}.status-badge{text-transform:uppercase;border-radius:20px;padding:4px 12px;font-size:11px;font-weight:700}.status-online{color:#52b788;background:#52b78833}.status-offline{color:#e63946;background:#e6394633}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.4s forwards fadeIn}