/* Driveway Visualizer Frontend Styles */

.dv-visualizer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
}

.dv-header {
    text-align: center;
    margin-bottom: 40px;
}

.dv-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1e1e1e;
    margin-bottom: 10px;
}

.dv-header p {
    font-size: 16px;
    color: #666;
}

/* Notice Styles */
.dv-notice {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.dv-notice-warning {
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    color: #856404;
}

/* Main Content Layout */
.dv-main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

@media (max-width: 968px) {
    .dv-main-content {
        grid-template-columns: 1fr;
    }
}

/* Section Styles */
.dv-upload-section,
.dv-texture-section {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    padding: 30px;
}

.dv-section-header {
    margin-bottom: 20px;
}

.dv-section-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1e1e1e;
    margin: 0;
}

/* Upload Zone */
.dv-upload-zone {
    border: 3px dashed #d0d0d0;
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #fafafa;
    position: relative;
    margin-bottom: 20px;
}

.dv-upload-zone:hover {
    border-color: #667eea;
    background: #f5f7ff;
}

.dv-upload-zone.drag-over {
    border-color: #667eea;
    background: #e8ecff;
}

.dv-upload-placeholder svg {
    color: #999;
    margin-bottom: 15px;
}

.dv-upload-text {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin: 10px 0 5px;
}

.dv-upload-subtext {
    font-size: 14px;
    color: #999;
    margin: 0;
}

.dv-image-preview {
    position: relative;
}

.dv-image-preview img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.dv-btn-remove {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    border: none;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.dv-btn-remove:hover {
    background: rgba(255, 0, 0, 0.8);
}

/* Texture Selector */
.dv-texture-selector {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 15px;
    max-height: 500px;
    overflow-y: auto;
    padding-right: 5px;
}

/* Custom scrollbar for texture selector */
.dv-texture-selector::-webkit-scrollbar {
    width: 8px;
}

.dv-texture-selector::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.dv-texture-selector::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.dv-texture-selector::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.dv-texture-option {
    cursor: pointer;
    border: 3px solid transparent;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #f9f9f9;
}

.dv-texture-option:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.dv-texture-option.selected {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.dv-texture-thumb {
    width: 100%;
    height: 140px;
    overflow: hidden;
    background: #f0f0f0;
}

.dv-texture-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dv-texture-name {
    padding: 10px;
    text-align: center;
    font-weight: 600;
    color: #333;
    margin: 0;
    font-size: 13px;
    line-height: 1.3;
}

/* Buttons */
.dv-btn {
    padding: 14px 32px;
    border-radius: 8px;
    border: none;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.dv-btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.dv-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.dv-btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.dv-btn-secondary {
    background: #e0e0e0;
    color: #333;
}

.dv-btn-secondary:hover {
    background: #d0d0d0;
}

.dv-btn-generate {
    width: 100%;
}

/* Result Section */
.dv-result-section {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    padding: 30px;
    margin-top: 30px;
}

.dv-result-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.dv-result-actions .dv-btn {
    flex: 1;
}

/* Loading State */
.dv-loading {
    text-align: center;
    padding: 60px 20px;
}

.dv-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.dv-loading p {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin: 10px 0;
}

.dv-loading-subtext {
    font-size: 14px;
    color: #999;
}

/* Result Comparison */
.dv-result-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .dv-result-comparison {
        grid-template-columns: 1fr;
    }
}

.dv-comparison-side h4 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    text-align: center;
}

.dv-comparison-side img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Error Message */
.dv-error-message {
    background: #fee;
    border: 1px solid #fcc;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.dv-error-text {
    color: #c33;
    font-weight: 600;
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .dv-visualizer-container {
        padding: 20px 15px;
    }

    .dv-header h2 {
        font-size: 24px;
    }

    .dv-upload-section,
    .dv-texture-section,
    .dv-result-section {
        padding: 20px;
    }

    .dv-texture-selector {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 12px;
        max-height: 400px;
    }

    .dv-result-actions {
        flex-direction: column;
    }

    .dv-upload-zone {
        padding: 40px 20px;
    }
}