:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --danger-color: #dc3545;
    --light-gray-color: #f8f9fa;
    --dark-gray-color: #343a40;
    --border-color: #dee2e6;
    --input-bg-color: #fff;
    --text-color: #212529;
    --label-color: #495057;
    --white-color: #ffffff;
    --box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    --border-radius: 8px;
}

*, *::before, *::after {
    box-sizing: border-box;
}

.admin-theme-edit-container {
    padding: 2rem 0;
    background-color: var(--light-gray-color);
    min-height: 100vh;
}

.centered-layout {
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .centered-layout {
        padding: 0 1rem;
    }
}

.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-gray-color);
}

.form-card {
    background-color: var(--white-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
}

.form-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-of-type {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.form-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    flex-basis: 100%;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--label-color);
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--input-bg-color);
    color: var(--text-color);
    transition: border-color 0.2s, box-shadow 0.2s;
    height: 3rem; /* 48px */
}

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
    background-color: #e9ecef;
    opacity: 1;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.form-textarea {
    height: auto;
    min-height: 120px;
    resize: vertical;
}

.button-group {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-top: 2rem;
}

.main-actions {
    display: flex;
    gap: 0.75rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    text-align: center;
}

.main-actions .btn {
    padding: 0.85rem 2.8rem;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white-color);
}

.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white-color);
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-danger {
    background-color: var(--danger-color);
    color: var(--white-color);
}

.btn-danger:hover {
    background-color: #c82333;
}

.audit-info {
    background-color: var(--white-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-top: 2rem;
}

.audit-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-gray-color);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.audit-body p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--label-color);
}

.audit-body p strong {
    color: var(--dark-gray-color);
    margin-right: 0.5rem;
}

.delete-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.btn-delete-text {
    background: none;
    border: none;
    color: var(--danger-color);
    text-decoration: underline;
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0.5rem;
}

.btn-delete-text:hover {
    color: #a71d2a;
}