/* T2Editor Plugin Builder - CSS */

/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --color-primary: #4A90E2;
    --color-primary-hover: #357ABD;
    --color-primary-light: #E8F2FC;
    --color-secondary: #6C757D;
    --color-success: #28A745;
    --color-warning: #FFC107;
    --color-danger: #DC3545;
    --color-info: #17A2B8;
    
    /* Backgrounds */
    --bg-body: #F5F7FA;
    --bg-panel: #FFFFFF;
    --bg-section: #FAFBFC;
    --bg-input: #FFFFFF;
    --bg-hover: #F0F4F8;
    
    /* Text */
    --text-primary: #1A1A2E;
    --text-secondary: #5A6474;
    --text-muted: #8A94A6;
    --text-light: #B0B8C4;
    
    /* Borders */
    --border-color: #E2E8F0;
    --border-color-focus: #4A90E2;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    
    /* Header Height */
    --header-height: 64px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
}

/* ===== Layout ===== */
.builder-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ===== Header ===== */
.builder-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 var(--spacing-lg);
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 28px;
    color: var(--color-primary);
}

.logo-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.logo-accent {
    color: var(--color-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn .material-icons {
    font-size: 18px;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background: var(--bg-hover);
    border-color: var(--text-muted);
}

.btn-add-action {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-primary-light);
    color: var(--color-primary);
    border: 2px dashed var(--color-primary);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-add-action:hover {
    background: var(--color-primary);
    color: white;
    border-style: solid;
}

.btn-add-action .material-icons {
    font-size: 22px;
}

/* ===== Main Layout ===== */
.builder-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ===== Settings Panel ===== */
.settings-panel {
    width: 50%;
    min-width: 400px;
    max-width: 600px;
    background: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.panel-scroll {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

/* ===== Sections ===== */
.builder-section {
    background: var(--bg-section);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
}

.section-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
}

.section-icon .material-icons {
    font-size: 20px;
    color: var(--color-primary);
}

.section-title {
    flex: 1;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.section-badge {
    padding: 2px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
}

.section-badge.required {
    background: #FEE2E2;
    color: #DC2626;
}

.section-badge.optional {
    background: #E0E7FF;
    color: #4F46E5;
}

.section-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.section-toggle:hover {
    background: var(--bg-hover);
}

.section-toggle .material-icons {
    font-size: 24px;
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.section-toggle[aria-expanded="false"] .material-icons {
    transform: rotate(-90deg);
}

.section-content {
    padding: var(--spacing-lg);
}

.section-content.collapsed {
    display: none;
}

.section-desc {
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== Subsections ===== */
.subsection {
    padding: var(--spacing-md);
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.subsection:last-child {
    margin-bottom: 0;
}

.subsection-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.subsection-title .material-icons {
    font-size: 18px;
    color: var(--text-muted);
}

/* ===== Form Elements ===== */
.form-group {
    margin-bottom: var(--spacing-md);
}

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

.form-group.half {
    flex: 1;
    min-width: 0;
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--border-color-focus);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-light);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%238A94A6' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 32px;
}

.form-hint {
    margin-top: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Color Input */
.color-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-color {
    width: 40px;
    height: 36px;
    padding: 2px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.form-color::-webkit-color-swatch-wrapper {
    padding: 0;
}

.form-color::-webkit-color-swatch {
    border: none;
    border-radius: 2px;
}

.color-text {
    flex: 1;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    text-transform: uppercase;
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    position: relative;
    width: 20px;
    height: 20px;
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-custom::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 6px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    opacity: 1;
}

/* ===== Icon Selector ===== */
.icon-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.icon-preview-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--bg-section);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
}

.icon-preview-box .material-icons {
    font-size: 28px;
    color: var(--text-primary);
}

/* ===== File Upload ===== */
.file-upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    background: var(--bg-section);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.file-upload-area .material-icons {
    font-size: 40px;
    color: var(--text-muted);
}

.file-upload-area p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
}

.file-upload-area.drag-over {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.uploaded-file {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-primary-light);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
}

.uploaded-file .material-icons {
    font-size: 24px;
    color: var(--color-primary);
}

.uploaded-file .file-name {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.btn-remove-file {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-remove-file:hover {
    background: rgba(220, 53, 69, 0.1);
}

.btn-remove-file .material-icons {
    font-size: 18px;
    color: var(--color-danger);
}

/* ===== Actions List ===== */
.actions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.action-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.action-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.action-item.dragging {
    opacity: 0.5;
}

.action-drag-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    color: var(--text-muted);
}

.action-drag-handle:active {
    cursor: grabbing;
}

.action-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50%;
}

.action-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bg-section);
    border-radius: var(--radius-md);
}

.action-icon .material-icons {
    font-size: 20px;
    color: var(--text-secondary);
}

.action-info {
    flex: 1;
    min-width: 0;
}

.action-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.action-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.action-delay {
    padding: 2px 8px;
    background: var(--bg-section);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background: var(--bg-hover);
}

.action-btn .material-icons {
    font-size: 18px;
    color: var(--text-muted);
}

.action-btn.delete:hover {
    background: rgba(220, 53, 69, 0.1);
}

.action-btn.delete:hover .material-icons {
    color: var(--color-danger);
}

/* ===== Preview Panel ===== */
.preview-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-body);
    overflow: hidden;
}

.preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
}

.preview-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.preview-title .material-icons {
    font-size: 20px;
    color: var(--color-primary);
}

.preview-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.preview-theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bg-section);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preview-theme-toggle:hover {
    background: var(--bg-hover);
}

.preview-theme-toggle .material-icons {
    font-size: 20px;
}

.preview-theme-toggle .dark-icon {
    display: none;
}

.preview-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.preview-content.dark-mode {
    background: #1a1a2e;
}

.preview-content.dark-mode .preview-section-title {
    color: #e0e0e0;
}

.preview-content.dark-mode .preview-theme-toggle .light-icon {
    display: none;
}

.preview-content.dark-mode .preview-theme-toggle .dark-icon {
    display: block;
}

.preview-section {
    margin-bottom: var(--spacing-xl);
}

.preview-section-title {
    margin-bottom: var(--spacing-md);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Toolbar Preview */
.toolbar-preview {
    display: inline-flex;
    padding: var(--spacing-sm);
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-md);
}

.preview-content.dark-mode .toolbar-preview {
    background: #2d2d2d;
    border-color: #444;
}

.preview-toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preview-toolbar-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

.preview-content.dark-mode .preview-toolbar-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.preview-toolbar-btn .material-icons {
    font-size: 22px;
}

/* Modal Preview */
.modal-preview-wrapper {
    display: flex;
    justify-content: center;
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-lg);
}

.modal-preview {
    width: 100%;
    max-width: 400px;
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow-lg);
}

.modal-preview .modal-title {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    font-weight: 600;
    color: #333333;
}

.modal-preview .modal-body {
    min-height: 100px;
    margin-bottom: var(--spacing-md);
}

.modal-preview .preview-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    color: #999;
    font-size: 0.9rem;
    text-align: center;
}

.modal-preview .modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

.modal-preview .modal-btn {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-preview .modal-btn.cancel {
    background: #f0f0f0;
    color: #666;
}

.modal-preview .modal-btn.cancel:hover {
    background: #e0e0e0;
}

.modal-preview .modal-btn.primary {
    background: #4A90E2;
    color: white;
}

.modal-preview .modal-btn.primary:hover {
    background: #357ABD;
}

/* Preview Input Elements */
.preview-input {
    width: 100%;
    padding: 10px 14px;
    font-size: 0.9rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    margin-bottom: 12px;
}

.preview-input:focus {
    outline: none;
    border-color: #4A90E2;
}

.preview-file-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    border: 2px dashed #ddd;
    border-radius: 8px;
    margin-bottom: 12px;
    cursor: pointer;
}

.preview-file-area .material-icons {
    font-size: 32px;
    color: #999;
    margin-bottom: 8px;
}

.preview-file-area p {
    font-size: 0.85rem;
    color: #666;
}

/* ===== Icon Modal ===== */
.icon-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.icon-modal {
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    background: var(--bg-panel);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.icon-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.icon-modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.icon-modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.icon-modal-close:hover {
    background: var(--bg-hover);
}

.icon-modal-search {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.icon-modal-search .material-icons {
    color: var(--text-muted);
}

.icon-modal-search input {
    flex: 1;
    padding: var(--spacing-sm);
    font-size: 0.9rem;
    border: none;
    outline: none;
}

.icon-modal-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.icon-category-btn {
    padding: 4px 12px;
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--bg-section);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.icon-category-btn:hover {
    background: var(--bg-hover);
}

.icon-category-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.icon-modal-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(48px, 1fr));
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    overflow-y: auto;
}

.icon-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.icon-item:hover {
    background: var(--bg-hover);
    border-color: var(--border-color);
}

.icon-item.selected {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

.icon-item .material-icons {
    font-size: 24px;
    color: var(--text-primary);
}

/* ===== Action Modal ===== */
.action-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.action-modal {
    width: 90%;
    max-width: 500px;
    background: var(--bg-panel);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.action-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.action-modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.action-modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-modal-close:hover {
    background: var(--bg-hover);
}

.action-modal-content {
    padding: var(--spacing-lg);
}

.action-types {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.action-type-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-section);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-fast);
}

.action-type-btn:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

.action-type-btn .material-icons {
    font-size: 28px;
    color: var(--color-primary);
}

.action-type-name {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.action-type-desc {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ===== Action Config Modal ===== */
.action-config-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
}

.action-config-modal {
    width: 90%;
    max-width: 550px;
    max-height: 85vh;
    background: var(--bg-panel);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.action-config-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.action-config-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.action-config-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-config-close:hover {
    background: var(--bg-hover);
}

.action-config-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.action-config-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* ===== Notification ===== */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-panel);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    transform: translateX(120%);
    transition: transform var(--transition-normal);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left: 4px solid var(--color-success);
}

.notification.error {
    border-left: 4px solid var(--color-danger);
}

.notification.warning {
    border-left: 4px solid var(--color-warning);
}

.notification.info {
    border-left: 4px solid var(--color-info);
}

.notification .material-icons {
    font-size: 24px;
}

.notification.success .material-icons {
    color: var(--color-success);
}

.notification.error .material-icons {
    color: var(--color-danger);
}

.notification.warning .material-icons {
    color: var(--color-warning);
}

.notification.info .material-icons {
    color: var(--color-info);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .builder-main {
        flex-direction: column;
    }
    
    .settings-panel {
        width: 100%;
        max-width: none;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .preview-panel {
        min-height: 400px;
    }
}

@media (max-width: 640px) {
    .builder-header {
        padding: 0 var(--spacing-md);
    }
    
    .header-right .btn span:not(.material-icons) {
        display: none;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-group.half {
        width: 100%;
    }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-section);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}


/* ===== Editor Lib Upload Section ===== */
.info-box {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.info-box.info {
    background: #e3f2fd;
    border: 1px solid #90caf9;
}

.info-box .material-icons {
    color: #1976d2;
    flex-shrink: 0;
}

.info-box ul {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
}

.info-box li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.info-box p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.info-box .mt-2 {
    margin-top: var(--spacing-sm);
}

/* Radio Group */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.9rem;
}

.radio-label input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    position: relative;
    transition: all var(--transition-fast);
}

.radio-label input:checked + .radio-custom {
    border-color: var(--color-primary);
}

.radio-label input:checked + .radio-custom::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 50%;
}

/* File Preview */
.file-preview {
    background: var(--bg-section);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.file-preview .file-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.file-preview .file-info .material-icons {
    color: var(--color-primary);
}

.file-preview .file-name {
    flex: 1;
    font-weight: 500;
}

.file-preview .file-status {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
}

.file-preview .file-status.success {
    color: var(--color-success);
}

.file-preview .file-status .material-icons {
    font-size: 16px;
}

.btn-remove-file {
    padding: 4px;
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.btn-remove-file:hover {
    background: var(--bg-hover);
    color: var(--color-danger);
}

/* Analysis Result */
.file-analysis {
    padding: var(--spacing-md);
}

.analysis-result {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.analysis-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.analysis-item .material-icons {
    font-size: 18px;
    color: var(--color-primary);
}

.analysis-plugins {
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.analysis-plugins small {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Section Badge Variants */
.section-badge.recommended {
    background: #fff3e0;
    color: #e65100;
}

/* Dragover State */
.file-upload-area.dragover,
.t2-file-dropzone.dragover,
.t2-image-dropzone.dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

/* Form Select */
.form-select {
    width: 100%;
    padding: 10px 14px;
    font-size: 0.9rem;
    font-family: inherit;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-section);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}