:root{--green:#1BB273;--grey:#333;}
body{font-family:Inter,Arial,sans-serif;margin:0;background:#f5f5f5;color:var(--grey)}
.topbar{background:#fff;padding:10px 20px;box-shadow:0 2px 6px rgba(0,0,0,0.1)}
.brand{display:flex;align-items:center;gap:10px}
.logo{width:32px;height:32px}
.brand-title{color:var(--green);font-weight:800;font-size:20px}
.brand-sub{font-size:12px;color:#666}
.container{max-width:700px;margin:30px auto;padding:0 20px}
.card{background:#fff;padding:20px;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,0.1)}
.btn-primary{background:var(--green);color:#fff;border:none;padding:10px 14px;border-radius:8px;cursor:pointer}
.error{color:#c0392b;margin-top:10px}