.otp-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 20px;
    background-color: #f2f5f7; /* açık gri */
    min-height: 80vh;
}

.otp-box {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-align: center;
    font-family: 'Inter', sans-serif;
}

.otp-box h2 {
    margin-bottom: 10px;
    color: #007782;
}

.otp-box p {
    margin-bottom: 20px;
    color: #555;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    font-weight: bold;
    display: block;
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccd6dd;
    border-radius: 5px;
    font-size: 16px;
}

.btn-hupgo {
    width: 100%;
    background-color: #007782;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-hupgo:hover {
    background-color: #005f66;
}

.error-text {
    color: red;
    font-size: 14px;
    margin-top: 4px;
}

.back-link {
    margin-top: 15px;
}

.back-link a {
    color: #007782;
    font-size: 14px;
    text-decoration: underline;
}