/* ---------- OTP INPUT STYLE ---------- */
    .otp-input {
        width: 40px;
        height: 45px;
        border: none;
        border-bottom: 3px solid rgba(0, 0, 0, 0.5);
        margin: 5px;
        text-align: center;
        font-size: 20px;
        font-weight: bold;
        color: #000;
        background: transparent;
        transition: border-color 0.3s ease;
    }

    .otp-input:focus {
        border-bottom: 3px solid orange;
        outline: none;
    }

    .otp-input.filled {
        border-bottom: 3px solid #28a745;
    }

    .inputs {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    #msg {
        font-size: 15px;
        min-height: 24px;
    }

    /* Responsive */
    @media (max-width: 480px) {
        .otp-input {
            width: 30px;
            height: 40px;
            font-size: 18px;
            margin: 3px;
        }
    }

    .breadcrumb-bg {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        padding: 20px 0;
        margin-bottom: 30px;
    }

    .breadcrumb-bg h3 {
        color: white;
    }