/* Admin Body */
.admin-body {
    background: #f0f2f5;
    overflow-x: hidden;
}

/* Admin Container */
.admin-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: 250px;
    background: var(--secondary-color);
    color: var(--white);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.admin-logo {
    padding: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.admin-logo img {
    max-width: 100%;
    height: auto;
    max-height: 120px;
}

.admin-logo h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.admin-nav {
    padding: 1rem 0;
}

.nav-item {
    display: block;
    padding: 1rem 2rem;
    color: var(--white);
    text-decoration: none;
    transition: background 0.3s;
}

.nav-item:hover,
.nav-item.active {
    background: var(--primary-color);
}

.nav-item i {
    margin-right: 0.5rem;
}

/* Main Content */
.admin-main {
    margin-left: 250px;
    flex: 1;
    padding: 2rem;
}

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

.admin-header h1 {
    font-size: 2rem;
    color: var(--secondary-color);
}

/* Admin Sections */
.admin-section {
    display: none;
}

.admin-section.active {
    display: block;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.btn-add {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

.btn-add:hover {
    background: var(--accent-color);
}

.btn-add i {
    margin-right: 0.5rem;
}

/* Items Grid */
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.admin-item {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.admin-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.admin-item-info {
    padding: 1.5rem;
}

.admin-item-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.admin-item-info p {
    color: #666;
    margin-bottom: 1rem;
}

.admin-item-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-edit,
.btn-delete {
    flex: 1;
    padding: 0.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: opacity 0.3s;
}

.btn-edit {
    background: #4CAF50;
    color: var(--white);
}

.btn-delete {
    background: #f44336;
    color: var(--white);
}

.btn-edit:hover,
.btn-delete:hover {
    opacity: 0.8;
}

/* Config Form */
.config-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    max-width: 600px;
    box-shadow: var(--shadow);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-save {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

.btn-save:hover {
    background: var(--accent-color);
}

.btn-save i {
    margin-right: 0.5rem;
}

/* Admin Modal */
.modal-admin {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-admin-content {
    background: var(--white);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 10px;
    max-width: 600px;
    position: relative;
    animation: slideDown 0.3s;
}

.close-modal-admin {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 2rem;
    cursor: pointer;
    color: #999;
}

.close-modal-admin:hover {
    color: var(--secondary-color);
}

.modal-admin-content h3 {
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-cancel {
    flex: 1;
    background: #999;
    color: var(--white);
    border: none;
    padding: 0.8rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

.btn-cancel:hover {
    background: #777;
}

.form-actions .btn-save {
    flex: 1;
}

/* Image Preview */
.image-preview {
    margin-top: 1rem;
    max-width: 100%;
}

.image-preview img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    border: 2px solid #ddd;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: #999;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

/* Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .admin-sidebar {
        width: 200px;
    }
    
    .admin-main {
        margin-left: 200px;
    }
    
    .items-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    
    .admin-main {
        margin-left: 0;
    }
}