:root{font-family:Inter,Segoe UI,Arial,sans-serif;color:#111827;background:#f3f6fb}*{box-sizing:border-box}body{margin:0}.operator-login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#edf4ff,#f8fafc)}.login-card{width:min(420px,calc(100% - 32px));padding:34px;border:1px solid #dce3ee;border-radius:24px;background:white;box-shadow:0 24px 70px #243b6418}.brand{color:#1769e0;font-weight:800}.login-card h1{margin:12px 0 4px}.login-card p{color:#64748b}.login-card label{display:grid;gap:7px;margin:18px 0;font-weight:700}.login-card input{padding:14px;border:1px solid #cbd5e1;border-radius:12px;font-size:16px}.login-card button,header button{width:100%;padding:14px;border:0;border-radius:12px;background:#1769e0;color:white;font-weight:800}.login-error{padding:12px;border-radius:10px;background:#fff1f2;color:#b91c1c}.operator-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.operator-shell aside{padding:28px 20px;background:white;border-right:1px solid #e2e8f0}.operator-shell nav{display:grid;gap:8px;margin-top:32px}.operator-shell nav a{padding:13px;border-radius:10px;color:#334155;text-decoration:none}.operator-shell nav a.active{background:#eaf2ff;color:#1769e0;font-weight:700}.operator-shell main{padding:28px}.operator-shell header{display:flex;align-items:center;justify-content:space-between;padding:24px;border:1px solid #e2e8f0;border-radius:20px;background:white}.operator-shell header h1{margin:4px 0}.operator-shell header p{margin:0;color:#64748b}.operator-shell header form{width:110px}.welcome{margin-top:22px;padding:28px;border:1px solid #bfe4cf;border-radius:20px;background:#effcf4}@media(max-width:760px){.operator-shell{grid-template-columns:1fr}.operator-shell aside{display:none}.operator-shell main{padding:14px}}