/* Buttons */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.button-primary {
    background-color: var(--primary-color);
    color: var(--text-on-primary);
}

.button-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    box-shadow: var(--shadow-md);
}

.button-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.button-secondary:hover:not(:disabled) {
    background-color: var(--surface-color);
}

.button-success {
    background-color: var(--success-color);
    color: var(--text-on-primary);
}

.button-success:hover:not(:disabled) {
    opacity: 0.9;
    box-shadow: var(--shadow-md);
}

.button-small {
    padding: 6px 12px;
    font-size: 12px;
}

.button-icon {
    width: 16px;
    height: 16px;
}

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: none;
    border: none;
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.icon-button:hover {
    background-color: var(--surface-color);
}

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

.language-button {
    font-size: 12px;
    font-weight: 600;
    min-width: 36px;
    width: auto;
    padding: 0 8px;
}

/* Editor Container */
.editor-container {
    background-color: var(--surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.editor-header label {
    font-weight: 600;
    color: var(--text-primary);
}

/* Validation Status */
.validation-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-disabled);
}

.validation-status.valid .status-indicator {
    background-color: var(--success-color);
}

.validation-status.invalid .status-indicator {
    background-color: var(--error-color);
}

.validation-status.warning .status-indicator {
    background-color: var(--warning-color);
}

/* Animation Editor (Textarea) */
.animation-editor {
    width: 100%;
    min-height: 400px;
    padding: 16px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    resize: vertical;
    transition: border-color var(--transition-fast);
}

.animation-editor:focus {
    border-color: var(--primary-color);
    outline: none;
}

.animation-editor::placeholder {
    color: var(--text-disabled);
}

/* Error Display */
.error-display {
    margin-top: 12px;
    padding: 12px;
    background-color: rgba(211, 47, 47, 0.1);
    border-left: 3px solid var(--error-color);
    border-radius: 4px;
    font-size: 13px;
    color: var(--error-color);
    display: none;
}

.error-display.visible {
    display: block;
}

/* Editor Footer */
.editor-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    gap: 16px;
}

.filename-input-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.filename-input-group label {
    font-weight: 500;
    color: var(--text-secondary);
}

.filename-input {
    flex: 1;
    max-width: 300px;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--text-primary);
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: border-color var(--transition-fast);
}

.filename-input:focus {
    border-color: var(--primary-color);
}

.action-buttons {
    display: flex;
    gap: 8px;
}

/* Tool Container */
.tool-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* File Upload Zone */
.upload-section {
    background-color: var(--surface-elevated);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.file-upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 250px;
    padding: 40px;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    background-color: var(--background-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-upload-zone:hover {
    border-color: var(--primary-color);
    background-color: var(--surface-color);
}

.file-upload-zone.drag-over {
    border-color: var(--primary-color);
    background-color: var(--surface-color);
    transform: scale(1.02);
}

.upload-icon {
    width: 48px;
    height: 48px;
    color: var(--text-disabled);
    margin-bottom: 16px;
}

.upload-text {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.upload-subtext {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* File Info */
.file-info {
    padding: 16px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.file-info-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-icon {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.file-details {
    flex: 1;
}

.file-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.file-size {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Options Section */
.options-section {
    background-color: var(--surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.option-group {
    margin-bottom: 16px;
}

.option-group:last-child {
    margin-bottom: 0;
}

.option-group-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-label span {
    font-size: 14px;
    color: var(--text-primary);
}

/* Threshold Control */
.threshold-control {
    margin-top: 12px;
    margin-left: 26px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.threshold-control label {
    font-size: 13px;
    color: var(--text-secondary);
    min-width: 70px;
}

.threshold-control input[type="range"] {
    flex: 1;
    max-width: 200px;
}

.threshold-control span {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 60px;
}

/* Results Section */
.results-section {
    background-color: var(--surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

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

.stat-card {
    padding: 16px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-align: center;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
}

.processing-status {
    padding: 12px;
    background-color: var(--surface-color);
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-secondary);
}

.processing-status.success {
    background-color: rgba(56, 142, 60, 0.1);
    color: var(--success-color);
    border-left: 3px solid var(--success-color);
}

/* Info Section */
.info-section {
    margin: 16px 0;
    padding: 16px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.info-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.info-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
}

/* Text Input */
.text-input {
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--text-primary);
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: border-color var(--transition-fast);
}

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

.text-input::placeholder {
    color: var(--text-disabled);
}

/* Tool Actions */
.tool-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 8px;
}

/* About Content */
.about-content {
    max-width: 800px;
}

.about-section {
    margin-bottom: 32px;
}

.about-section ul,
.about-section ol {
    margin-left: 24px;
    margin-bottom: 12px;
}

.about-section li {
    margin-bottom: 8px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .editor-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .filename-input-group {
        flex-direction: column;
        align-items: stretch;
    }

    .filename-input {
        max-width: none;
    }

    .action-buttons {
        justify-content: stretch;
    }

    .action-buttons .button {
        flex: 1;
    }

    .statistics-grid {
        grid-template-columns: 1fr 1fr;
    }

    .tool-actions {
        flex-direction: column;
    }

    .tool-actions .button {
        width: 100%;
    }

    .option-group-inline {
        flex-direction: column;
        gap: 12px;
    }
}