.upload-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.upload-container h1 {
    text-align: center;
    color: var(--dark-blue);
    margin-bottom: 0.5rem;
}

.upload-container p {
    text-align: center;
    color: var(--gray);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group.hidden, #mcq-section.hidden {
    display: none;
}

.question-type-toggle {
    display: flex;
    border: 1px solid #ccc;
    border-radius: 8px;
    overflow: hidden;
}

.toggle-btn {
    flex: 1;
    padding: 0.75rem;
    border: none;
    background: var(--lightest-gray);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray);
    transition: all 0.2s ease-in-out;
}

.toggle-btn.active {
    background: var(--dark-teal);
    color: var(--white);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-gray);
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group input[type="file"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1rem;
}

.form-group input[type="file"] {
    padding: 0.5rem;
}

.image-preview {
    display: none;
    max-width: 200px;
    margin-top: 1rem;
    border-radius: 8px;
    border: 1px solid #ccc;
}

.choice-entry {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.choice-label {
    font-weight: bold;
    color: var(--dark-gray);
}

.choice-text-input {
    flex-grow: 1;
}

.correct-choice-radio {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.remove-btn {
    background: #fde8e8;
    color: #e53e3e;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    font-weight: bold;
    flex-shrink: 0;
}

.add-btn {
    background-color: #e6f7ff;
    color: #1890ff;
    border: 1px dashed #91d5ff;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 0.5rem;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--pink);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: var(--dark-pink);
}

.form-status {
    margin-top: 1rem;
    text-align: center;
    padding: 1rem;
    border-radius: 8px;
}
.form-status.success {
    background-color: #f0fff4;
    color: #2f855a;
}
.form-status.error {
    background-color: #fff5f5;
    color: #c53030;
}
.form-status.info {
    background-color: #e6f7ff;
    color: #1890ff;
}