.student-profile-preview,
.birth-certificate-profile-preview {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px dashed #0d6efd;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: auto;
    cursor: pointer;
    transition: 0.3s;
}

.student-profile-preview img,
.birth-certificate-profile-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.custom-file-upload {
    display: flex;
    align-items: center;
    gap: 15px;
    border: 1px dashed #cbd5e1;
    padding: 14px 16px;
    border-radius: 10px;
    background: #f8fafc;
}

.student-upload-btn,
.birth-certificate-upload-btn {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: #fff;
    border: none;
    padding: 8px 18px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
}

.student-upload-btn:hover,
.birth-certificate-upload-btn:hover  {
    opacity: 0.9;
}

.file-name {
    color: #64748b;
    font-size: 14px;
}

.image-upload-box {
    border: 2px dashed #cbd5e1;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    background: #f8fafc;
}

.student-preview-img,
.birth-certificate-preview-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 12px;
}

.file-hint {
    font-size: 13px;
    color: #94a3b8;
}