/* 3D Model Generator Styles */

/* Model Section Container */
.model-section {
    max-width: 800px;
    margin: 0 auto;
}

/* Image Upload Card */
.image-upload-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

.upload-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-weight: 500;
}

.required-tag {
    font-size: 0.75rem;
    color: var(--primary);
    background: var(--primary-light);
    padding: 2px 8px;
    border-radius: 4px;
}

.image-dropzone {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-dropzone:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.image-dropzone.drag-over {
    border-color: var(--primary);
    background: var(--primary-light);
}

.dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

.dropzone-content svg {
    width: 48px;
    height: 48px;
    stroke: var(--text-secondary);
}

.dropzone-hint {
    font-size: 0.8rem;
    opacity: 0.7;
}

.image-preview {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.image-preview img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    max-height: 300px;
    object-fit: contain;
}

.remove-image {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.remove-image:hover {
    background: var(--error);
}

.remove-image svg {
    width: 18px;
    height: 18px;
    stroke: white;
}

/* Multi-Image Card */
.multi-image-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
}

.collapse-toggle {
    width: 100%;
    padding: 16px 20px;
    background: transparent;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
}

.collapse-toggle svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-tertiary);
    transition: transform 0.2s ease;
}

.collapse-toggle.active svg {
    transform: rotate(180deg);
}

.collapse-content {
    display: none;
    padding: 0 20px 20px;
}

.collapse-content.active {
    display: block;
}

.multi-image-hint {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-bottom: 16px;
}

.additional-images {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.additional-image-slot {
    aspect-ratio: 1;
    border: 2px dashed var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.additional-image-slot:hover {
    border-color: var(--primary);
}

.additional-image-slot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.additional-image-slot .remove-slot {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.additional-image-slot .remove-slot svg {
    width: 14px;
    height: 14px;
    stroke: white;
}

.add-image-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
}

.add-image-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.add-image-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.add-image-btn svg {
    width: 18px;
    height: 18px;
}

/* Options Grid */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.option-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 16px;
}

.option-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 0.9rem;
    font-weight: 500;
}

.model-select,
.topology-select,
.symmetry-select,
.pose-select {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
}

.model-select:focus,
.topology-select:focus,
.symmetry-select:focus,
.pose-select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Polycount Slider */
#polycountInput {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-tertiary);
    outline: none;
    -webkit-appearance: none;
}

#polycountInput::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
}

.polycount-value {
    font-size: 0.85rem;
    color: var(--primary);
}

.polycount-hints {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Texture Options */
.texture-options-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
}

.texture-options-card h4 {
    margin: 0 0 16px 0;
    font-size: 0.95rem;
}

.texture-toggles {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.toggle-option {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.toggle-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.toggle-label {
    flex: 1;
    font-size: 0.9rem;
}

.toggle-cost {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.texture-prompt-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.texture-prompt-section label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.texture-prompt-section input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.texture-prompt-section input:focus {
    outline: none;
    border-color: var(--primary);
}

/* Advanced Options */
.advanced-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
}

.advanced-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.advanced-option label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* Action Section */
.action-section {
    text-align: center;
    margin-top: 24px;
}

.credits-info {
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.credits-amount {
    color: var(--primary);
    font-weight: 600;
}

.generate-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    min-width: 220px;
}

.generate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.generate-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.generate-btn.loading .btn-icon {
    display: none;
}

.generate-btn.loading .spinner {
    display: block;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.status-text {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Results Section */
.results-section {
    margin-top: 32px;
    display: none;
}

.results-section.visible {
    display: block;
}

.results-section h2 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.results-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

/* Model Result Card */
.model-result-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
}

.model-thumbnail {
    position: relative;
    aspect-ratio: 1;
    background: var(--bg-tertiary);
}

.model-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.model-thumbnail .loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: white;
}

.model-thumbnail .progress-bar {
    width: 80%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.model-thumbnail .progress-fill {
    height: 100%;
    background: var(--primary);
    transition: width 0.3s ease;
}

.model-info {
    padding: 16px;
}

.model-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 0.85rem;
}

.model-status.pending { color: var(--warning); }
.model-status.processing { color: var(--primary); }
.model-status.completed { color: var(--success); }
.model-status.failed { color: var(--error); }

.model-downloads {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.download-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.download-btn svg {
    width: 14px;
    height: 14px;
}

/* Error Message */
.error-message {
    display: none;
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--error);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    align-items: center;
    gap: 12px;
    z-index: 1000;
    max-width: 90%;
}

.error-message.visible {
    display: flex;
}

.error-message svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.close-error {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    display: flex;
}

.close-error svg {
    width: 18px;
    height: 18px;
    stroke: white;
}

/* Responsive */
@media (max-width: 768px) {
    .options-grid {
        grid-template-columns: 1fr;
    }

    .additional-images {
        grid-template-columns: repeat(2, 1fr);
    }

    .results-gallery {
        grid-template-columns: 1fr;
    }
}