:root{--bg:#f3f6fb;--card:#ffffff;--accent:#0b6efd;--muted:#6b7280}
*{box-sizing:border-box;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial}
body{margin:0;background:var(--bg);color:#0f172a}
.container{max-width:720px;margin:40px auto;padding:18px}
h1{margin:0 0 8px;font-size:28px}
#merchant-info{margin:10px 0 20px;font-size:16px;color:#0f172a}
form{background:var(--card);padding:22px;border-radius:14px;box-shadow:0 12px 30px rgba(15,23,42,0.06);max-width:640px;margin:0 auto}
label{display:block;margin-top:12px;font-size:13px;color:var(--muted)}
input,select{width:100%;padding:12px;margin-top:8px;border:1px solid #e6e9ef;border-radius:10px}
button{margin-top:16px;padding:12px 16px;background:var(--accent);color:#fff;border:none;border-radius:10px;font-weight:700}
.primary-btn{width:260px;display:block;margin:18px auto 0;padding:12px 18px}
.hidden{display:none}
#result{margin-top:18px}
.card{background:var(--card);padding:18px;border-radius:12px;box-shadow:0 10px 26px rgba(15,23,42,0.06)}
.actions{margin-top:12px;display:flex;gap:10px}
.btn{display:inline-block;padding:10px 12px;background:#0a58ca;color:#fff;border-radius:8px;text-decoration:none}
.error{color:#b00020}

.sso-section{margin-bottom:16px}
.sso-buttons{display:flex;gap:10px}
.sso-btn{flex:1;padding:12px;border-radius:10px;border:1px solid #e6e9ef;background:#fff;color:#0f172a;font-weight:600;display:flex;align-items:center;justify-content:center;gap:12px}
.sso-btn svg{display:block;width:20px;height:20px}
.sso-btn span{display:inline-block}
.sso-btn:hover{box-shadow:0 8px 22px rgba(2,6,23,0.06)}
.divider{margin:14px 0;text-align:center;color:var(--muted)}
.muted{color:var(--muted);font-size:13px;margin-bottom:8px}

/* OTP message and controls */
.otp-note{
	background:#f0f9ff;
	border:1px solid #cfe8ff;
	padding:12px 14px;
	border-radius:8px;
	color:#034f84;
	font-weight:500;
	margin-bottom:12px;
}
.otp-controls{display:flex;align-items:center;gap:8px;margin-top:8px}
.otp-input{padding:8px 10px;font-size:16px;border-radius:6px;border:1px solid #d1d5db;width:180px}
.otp-btn{padding:8px 12px;border-radius:6px;background:#0b6efd;color:#fff;border:none;cursor:pointer}
.otp-cancel{padding:8px 12px;border-radius:6px;background:#e5e7eb;color:#111827;border:none;cursor:pointer}
.otp-btn:disabled{opacity:0.6;cursor:default}

/* Wrapper and enhanced styling for OTP UI */
.otp-wrapper{background:#fff;padding:16px;border-radius:10px;box-shadow:0 8px 20px rgba(15,23,42,0.06);display:flex;flex-direction:column;align-items:center;gap:12px;max-width:640px;margin:0 auto}
.otp-note{font-size:14px}
.otp-controls{justify-content:center}
.otp-input{width:260px;font-size:18px;padding:10px}
.otp-btn{background:#0b6efd;padding:10px 14px;border-radius:8px;font-weight:600}
.otp-btn:hover{filter:brightness(0.95)}
.otp-cancel{background:#f3f4f6;padding:10px 14px}