:root{--primary: #1e3a8a;--primary-light: #eff6ff;--secondary: #0f172a;--accent: #3b82f6;--background: #f8fafc;--card-bg: #ffffff;--text: #1e293b;--text-light: #64748b;--border: #e2e8f0;--success: #15803d;--warning: #b45309;--danger: #b91c1c;font-family:Inter,system-ui,-apple-system,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--text);line-height:1.5;overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:2rem}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;padding:1.5rem;transition:transform .2s,box-shadow .2s}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;border-radius:8px;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s;border:1px solid transparent}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:#1e40af;transform:translateY(-1px)}.btn-ghost{background-color:transparent;color:var(--text-light);border-color:var(--border)}.btn-ghost:hover{background-color:var(--primary-light);color:var(--primary)}input,select,textarea{width:100%;padding:.75rem;border:1px solid var(--border);border-radius:8px;font-size:.875rem;margin-top:.25rem;font-family:inherit}input:focus{outline:2px solid var(--accent);outline-offset:1px}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.container{padding:1rem}.device-profile-grid{grid-template-columns:1fr!important}header{flex-wrap:wrap;gap:1rem}header>div:last-child{width:100%;justify-content:flex-end;flex-wrap:wrap;gap:.75rem}.card{padding:1rem}}