/* Animation Generator Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f0f2f5;
    color: #333;
    overflow: hidden;
}

.container {
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header - same as drawing editor */
header {
    background: white;
    border-bottom: 1px solid #ddd;
    padding: 12px 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.back-button {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.back-button:hover {
    background-color: #f0f2f5;
}

header h1 {
    font-size: 1.5rem;
    color: #333;
}

.nav-actions {
    display: flex;
    gap: 10px;
}

.nav-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}

.nav-btn:hover {
    background: #5a6fd8;
}

/* Generator Layout */
.generator-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.import-panel, .export-panel {
    width: 300px;
    background: white;
    overflow-y: auto;
    flex-shrink: 0;
}

.import-panel {
    border-right: 1px solid #ddd;
}

.export-panel {
    border-left: 1px solid #ddd;
}

.frame-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #f8f9fa;
    overflow: hidden;
}

/* Sections */
.section {
    padding: 20px;
    border-bottom: 1px solid #eee;
}

.section:last-child {
    border-bottom: none;
}

.section h3 {
    margin-bottom: 15px;
    color: #333;
    font-size: 1rem;
    font-weight: 600;
}

/* Import Zone */
.import-zone {
    border: 2px dashed #ccc;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    background: #fafafa;
}

.import-zone:hover {
    border-color: #667eea;
    background: #f0f4ff;
}

.import-zone.dragover {
    border-color: #667eea;
    background: #e8f2ff;
    transform: scale(1.02);
}

.import-content .import-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.6;
}

.import-content p {
    margin-bottom: 8px;
    font-weight: 500;
}

.import-hint {
    font-size: 0.9rem;
    color: #666;
}

.import-options {
    margin-top: 15px;
}

.import-options label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.import-options input[type="checkbox"] {
    margin-right: 8px;
}

/* Settings Groups */
.setting-group {
    margin-bottom: 20px;
}

.setting-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

.setting-group select,
.setting-group input[type="text"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
}

.setting-group input[type="range"] {
    width: 100%;
    margin-bottom: 5px;
}

.custom-inputs {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.custom-inputs input {
    flex: 1;
    width: 60px;
}

/* Auto Adjustment Buttons */
.auto-btn {
    width: 100%;
    background: #28a745;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 10px;
    transition: background-color 0.2s;
}

.auto-btn:hover {
    background: #218838;
}

.auto-buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5px;
}

.mini-auto-btn {
    background: #6c757d;
    color: white;
    border: none;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: background-color 0.2s;
}

.mini-auto-btn:hover {
    background: #5a6268;
}

/* Frame Area */
.frames-header {
    background: white;
    padding: 15px 20px;
    border-bottom: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.frame-controls {
    display: flex;
    gap: 8px;
}

.frame-controls button {
    background: #6c757d;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: background-color 0.2s;
}

.frame-controls button:hover:not(:disabled) {
    background: #5a6268;
}

.frame-controls button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* Frames Container */
.frames-container {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    min-height: 300px;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #666;
    text-align: center;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-hint {
    font-size: 0.9rem;
    margin-top: 5px;
}

.frames-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
}

.frame-item {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.frame-item:hover {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.frame-item.selected {
    border-color: #667eea;
    background: #f0f4ff;
}

.frame-preview {
    width: 80px;
    height: 80px;
    border: 1px solid #ddd;
    margin: 0 auto 8px;
    background: white;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

.frame-info {
    font-size: 0.8rem;
    color: #666;
}

/* Preview Section */
.preview-section {
    background: white;
    border-top: 1px solid #ddd;
    padding: 20px;
}

.preview-container {
    text-align: center;
}

.preview-canvas {
    border: 2px solid #333;
    background: white;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    margin-bottom: 15px;
}

.preview-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.preview-controls button {
    background: #17a2b8;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}

.preview-controls button:hover:not(:disabled) {
    background: #138496;
}

.preview-controls button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.playback-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 0.9rem;
    color: #666;
    font-family: 'Monaco', 'Menlo', monospace;
}

/* Export Panel */
.export-format,
.export-naming {
    margin-bottom: 15px;
}

.export-format label,
.export-naming label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

.export-btn,
.copy-btn {
    width: 100%;
    background: #667eea;
    color: white;
    border: none;
    padding: 10px;
    margin-bottom: 8px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}

.export-btn:hover:not(:disabled) {
    background: #5a6fd8;
}

.export-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.copy-btn {
    background: #28a745;
}

.copy-btn:hover:not(:disabled) {
    background: #218838;
}

/* Selected Frame Info */
.selected-frame {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.selected-frame p {
    margin-bottom: 5px;
}

.frame-operations {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 15px;
}

.frame-operations button {
    background: #6c757d;
    color: white;
    border: none;
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: background-color 0.2s;
}

.frame-operations button:hover:not(:disabled) {
    background: #5a6268;
}

.frame-operations button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* Statistics */
.stats {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 20px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.stat-item:last-child {
    margin-bottom: 0;
}

.stat-label {
    color: #666;
}

.stat-value {
    font-weight: 600;
    font-family: 'Monaco', 'Menlo', monospace;
}

/* Code Output */
#codeOutput {
    width: 100%;
    height: 200px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.75rem;
    resize: vertical;
    background: #f8f9fa;
    margin-bottom: 10px;
}

/* Responsive Design */
@media (max-width: 1400px) {
    .import-panel, .export-panel {
        width: 250px;
    }
}

@media (max-width: 1200px) {
    .generator-layout {
        flex-direction: column;
    }
    
    .import-panel, .export-panel {
        width: 100%;
        height: auto;
        max-height: 300px;
        overflow-y: auto;
    }
    
    .frame-area {
        height: 400px;
    }
    
    .frames-container {
        min-height: 200px;
    }
}

@media (max-width: 768px) {
    .nav-bar {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }
    
    header h1 {
        text-align: center;
        font-size: 1.3rem;
    }
    
    .frames-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
    }
    
    .frame-preview {
        width: 60px;
        height: 60px;
    }
    
    .preview-controls {
        flex-direction: column;
        gap: 10px;
    }
}