/* Model Archive Container */
.i3dmv-models-container {
    margin: 30px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

/* Grid Layout */
.i3dmv-grid-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.i3dmv-columns-1 { grid-template-columns: repeat(1, 1fr); }
.i3dmv-columns-2 { grid-template-columns: repeat(2, 1fr); }
.i3dmv-columns-3 { grid-template-columns: repeat(3, 1fr); }
.i3dmv-columns-4 { grid-template-columns: repeat(4, 1fr); }
.i3dmv-columns-5 { grid-template-columns: repeat(5, 1fr); }
.i3dmv-columns-6 { grid-template-columns: repeat(6, 1fr); }

/* List Layout */
.i3dmv-list-layout {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.i3dmv-list-layout .i3dmv-model-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    align-items: start;
}

/* Model Item */
.i3dmv-model-item {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.2s ease-in-out;
}

.i3dmv-model-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Model Preview */
.i3dmv-model-preview {
    position: relative;
    width: 100%;
    background: #f5f5f5;
    border-radius: 8px 8px 0 0;
}

.i3dmv-model-preview model-viewer {
    width: 100%;
    background-color: #f5f5f5;
    --poster-color: transparent;
}

/* Model Content */
.i3dmv-model-content {
    padding: 20px;
}

.i3dmv-model-title {
    margin: 0 0 10px;
    font-size: 1.2em;
    line-height: 1.4;
}

.i3dmv-model-title a {
    color: #333;
    text-decoration: none;
}

.i3dmv-model-title a:hover {
    color: #0073aa;
}

.i3dmv-model-excerpt {
    color: #666;
    font-size: 0.9em;
    line-height: 1.6;
    margin: 0;
}

/* No Models Message */
.i3dmv-no-models {
    text-align: center;
    padding: 50px 20px;
    background: #f8f8f8;
    border-radius: 8px;
    color: #666;
    font-style: italic;
}

/* Model Archive Styles */
.i3dmv-models-archive {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.i3dmv-models-filters {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.i3dmv-search-form {
    display: flex;
    gap: 15px;
    width: 100%;
    max-width: 800px;
}

.i3dmv-search-input,
.i3dmv-category-select {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.i3dmv-search-button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.i3dmv-search-button:hover {
    background-color: #0056b3;
}

.i3dmv-models-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    transition: all 0.3s ease;
}

.i3dmv-models-container.loading {
    opacity: 0.5;
    pointer-events: none;
}

.i3dmv-models-container.i3dmv-list-layout {
    grid-template-columns: 1fr;
}

.i3dmv-model-item {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.i3dmv-model-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.i3dmv-model-preview {
    position: relative;
    height: 250px;
}

.i3dmv-model-content {
    padding: 15px;
}

.i3dmv-model-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.i3dmv-model-title {
    margin: 0;
    font-size: 18px;
    color: #333;
}

.i3dmv-view-model-btn {
    padding: 8px 15px;
    background-color: #28a745;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.i3dmv-view-model-btn:hover {
    background-color: #218838;
}

.i3dmv-load-more {
    text-align: center;
    margin-top: 30px;
}

.i3dmv-load-more-btn {
    padding: 12px 30px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.i3dmv-load-more-btn:hover {
    background-color: #0056b3;
}

.i3dmv-load-more-btn.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

.i3dmv-no-models {
    text-align: center;
    color: #666;
    font-size: 18px;
    padding: 50px;
    grid-column: 1 / -1;
}

/* 3D Model Upload Form Styles */
.i3dmv-upload-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.i3dmv-upload-container h3 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

.i3dmv-upload-field {
    margin-bottom: 20px;
}

.i3dmv-upload-field label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 600;
}

.i3dmv-upload-field input[type="file"],
.i3dmv-upload-field input[type="text"],
.i3dmv-upload-field select,
.i3dmv-upload-field textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.i3dmv-upload-preview {
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 15px;
    background-color: #fff;
}

.i3dmv-upload-preview h4 {
    text-align: center;
    margin-bottom: 15px;
    color: #555;
}

.i3dmv-upload-actions {
    text-align: center;
}

.i3dmv-upload-submit {
    padding: 12px 30px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.i3dmv-upload-submit:hover {
    background-color: #218838;
}

.i3dmv-upload-submit:disabled {
    background-color: #6c757d;
    cursor: not-allowed;
}

.i3dmv-upload-messages {
    margin-top: 20px;
    text-align: center;
}

.i3dmv-upload-error {
    color: #dc3545;
    background-color: #f8d7da;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.i3dmv-upload-success {
    color: #28a745;
    background-color: #d4edda;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

/* Responsive Design */
@media screen and (max-width: 1200px) {
    .i3dmv-columns-5,
    .i3dmv-columns-6 {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media screen and (max-width: 992px) {
    .i3dmv-columns-4,
    .i3dmv-columns-5,
    .i3dmv-columns-6 {
        grid-template-columns: repeat(3, 1fr);
    }

    .i3dmv-list-layout .i3dmv-model-item {
        grid-template-columns: 250px 1fr;
        gap: 20px;
    }
}

@media screen and (max-width: 768px) {
    .i3dmv-columns-3,
    .i3dmv-columns-4,
    .i3dmv-columns-5,
    .i3dmv-columns-6 {
        grid-template-columns: repeat(2, 1fr);
    }

    .i3dmv-list-layout .i3dmv-model-item {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 480px) {
    .i3dmv-grid-layout {
        grid-template-columns: 1fr !important;
    }

    .i3dmv-model-content {
        padding: 15px;
    }
}

@media (max-width: 1024px) {
    .i3dmv-models-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .i3dmv-models-filters {
        flex-direction: column;
        gap: 15px;
    }

    .i3dmv-search-form {
        flex-direction: column;
    }

    .i3dmv-models-container {
        grid-template-columns: 1fr;
    }
}