* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100% !important;
    overflow: hidden;
	display: flex;
	flex-direction: column; 
}

.toolbar {
    height: 50px;
    flex-shrink: 0;
    background: #f8f9fa;
    border-bottom: 1px solid #ddd;
    display: flex;
    align-items: center;
    padding: 0 10px;
}

.tool-group {
    display: flex;
    align-items: center;
    gap: 2px;
}

.title-text {
    font-size: 15px;
    font-weight: 800;
    color: #2c3e50;
    letter-spacing: -0.5px;
    position: relative;
    text-shadow: 1px 1px 0px rgba(255, 255, 255, 0.8);
}

.icon-btn, .primary-btn {
    border: none;      
    border-radius: 6px; 
    background-color: transparent; 
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}
.icon-btn {
    width: 36px;
    height: 36px;
    color: #495057; 
}

.icon-btn:hover {
    background-color: #e9ecef; 
    color: #000; 
}

.divider {
    width: 1px;
    height: 20px;
    background-color: #dee2e6;
    margin: 0 8px;
}
.icon-btn.active {
    background-color: #dee2e6 !important;
    color: #1a73e8 !important; 
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.15); 
}

.font-select {
    border: 1px solid #ced4da;
    border-radius: 3px;
    padding: 2px 5px;
    font-size: 12px;
    height: 28px;
}

.primary-btn {
    font-size: 11px;
    font-weight: 700;
    padding: 0 12px;
    height: 32px;
    background-color: #f1f3f5; 
    color: #495057;
    margin-left: 5px;
}

.primary-btn:hover {
    background-color: #343a40; 
    color: #fff;
}

input[type="number"] {
    width: 80px;
    padding: 7px;
    border-radius: 4px;
    border: 1px solid #ddd;
}

.custom-toolbar-area {
    background-color: #f8f9fa; 
    border-bottom: 1px solid #ddd;
    padding: 8px 15px;
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap; 
}

.custom-rule-select {
    padding: 5px 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: white;
    font-size: 12px;
    cursor: pointer;
    min-width: 120px;
    outline: none;
}

.custom-rule-select:hover {
    border-color: #d4a373; 
}

.main-container {
    display: flex; 
    width: 100%;
	flex: 1;
	min-height: 0;
}

.left-box, .right-box {
    width: 50%;         
    height: 100%;  
    display: flex;  
    flex-direction: column;
    box-sizing: border-box; 
    border: 1px solid #ddd;
}

.right-box {
    overflow: auto;
    position: relative;
    display: block;
}

.pane-header {
    position: sticky;
    top: 0;
    left: 0;
    z-index: 20;  
	gap: 20px;
	height: 38px;
    display: flex;
    align-items: center;
	padding: 0 15px;
	flex-shrink: 0;
	
	min-width: 100%;
	width: max-content;
	box-sizing: border-box;
    background-color: #eeeeee;
	color: #aaaaaa; 
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
	
	-webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    cursor: default;
}

.right-box.dark-mode {
    background-color: #555555 !important;
}

.theme-toggle-btn {
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 300;
    cursor: pointer;
    background-color: #eeeeee; 
    color: #444;
    border: 1px solid #ddd;
    border-radius: 15px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.theme-toggle-btn.is-dark {
    background-color: #555 !important; 
    color: #eee !important;
    border-color: #666 !important;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.3); 
}

.theme-toggle-btn.is-dark:hover {
    background-color: #555 !important;
}

.toolbar, .pane-header,.modal-content h3,.modal-footer {
    -webkit-user-select: none;  
    -moz-user-select: none;  
    -ms-user-select: none;   
    user-select: none;  
    cursor: default;
}

.material-symbols-outlined {
    pointer-events: none; 
}

.CodeMirror {
	background-color: #F4F4F4 !important; 
    flex: 1;        
    width: 100%;   
    height: 100% !important;
}

.CodeMirror-lines {
    padding: 15px 0;
}
.cm-s-neo .cm-tag { color: #1a73e8 !important; font-weight: bold; }  
.cm-s-neo .cm-attribute { color: #d93025 !important; }       
.cm-s-neo .cm-string { color: #188038 !important; }              
.cm-s-neo .cm-comment { color: #70757a !important; font-style: italic; }
.cm-s-neo .cm-meta { color: #f29900 !important; }            


.CodeMirror-focused .CodeMirror-selected {
    background: #e0e6ed !important;
}

#previewArea {
    display: block;   
    min-width: 100%;
    width: 100%;  
    padding: 20px;
    box-sizing: border-box;
    background-color: #fff;
    vertical-align: top;
    outline: none !important;
    cursor: default;
}

#previewArea:focus,
#previewArea:focus-within,
#previewArea:focus-visible {
    outline: none !important;
    box-shadow: none !important;
}


#previewArea td:focus, #previewArea th:focus {
    outline: 2px solid #333 !important;
    outline-offset: -2px;
    background-color: transparent !important;
}

#previewArea:not(:has(table)):focus {
    outline: none;
}

.preview-line-focus {
    outline: 2px solid #333 !important;
    outline-offset: -1px;
    background-color: transparent !important;
    border-radius: 0;
}


#previewArea table {
    width: 100%;
    min-width: 300px;
}

#previewArea a {   
    text-decoration: inherit;      
    cursor: pointer;                   
}

#previewArea a:hover {
    text-opacity: 0.8;
}

#previewArea a:not([style*="color"]) {
    color: inherit;
}

.right-box.dark-mode { 
background-color: #555555 !important; 
}

#previewArea.dark-mode {
    background-color: #555555 !important;
    color: #F0F0F0 !important; 
}

#previewArea.dark-mode * {
    background-color: transparent !important; 
    color: #F0F0F0 !important; 
}


#previewArea.dark-mode td, 
#previewArea.dark-mode th,
#previewArea.dark-mode table {
    border-color: #F0F0F0 !important;
}


#previewArea.dark-mode td:focus, 
#previewArea.dark-mode th:focus {
    outline: 2px solid #00A3FF !important; 
}

@font-face {
    font-family: 'NanumGothic';
    src: local('Nanum Gothic'), local('나눔고딕'), local('나눔 고딕');
}

@font-face {
    font-family: 'MalgunGothic';
    src: local('Malgun Gothic'), local('맑은고딕'), local('맑은 고딕');
}
.picker_wrapper {
    z-index: 9999 !important;
}

.picker_wrapper .picker_sl, .picker_wrapper .picker_hue {
    user-select: none;
    -webkit-user-select: none;
}

/* [통합 모달 시스템] */

.modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: none; 
    justify-content: center;
    align-items: center;
    z-index: 10000;
    backdrop-filter: blur(2px);
	backface-visibility: hidden;	
}

.modal-content {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    width: 450px; 
    max-width: 95%;
    max-height: 90vh; 
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    animation: modalFadeIn 0.2s ease-out;
}

#ruleModal .modal-content {
    width: 800px;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-15px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between; 
    align-items: center;     
    margin-bottom: 15px;   
}

.modal-content h3 {
    margin: 0;
	display: flex;
    font-size: 1.2rem;
    color: #222;
    align-items: center;
    gap: 8px;
}
.modal-header h3 .material-symbols-outlined {
    font-size: 24px; 
}

.modal-content hr {
    border: 0;
    border-top: 1px solid #eee;
    margin: 15px 0;
}

.modal-section {
    margin-bottom: 18px;
}

.modal-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 13px;
    color: #444;
}


.modal-input,
.modal-section textarea,
.modal-section input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.2s;
}

.modal-input.input-date-ym {
    color: #ccc;        
    font-style: italic;  
    text-align: center;
}

.modal-input.input-date-ym:focus {
    color: #333;         
    font-style: normal;  /
}

.modal-input::placeholder,
.id-inner-input::placeholder{
    color: #ccc;   
	font-style: italic;
    opacity: 1;       
}

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

#analysisInput {
    height: 250px;
}

.modal-input:focus,
.modal-section input:focus,
.modal-section textarea:focus {
    border-color: #1a73e8;
    box-shadow: 0 0 0 2px rgba(26,115,232,0.1);
}

.id-input-wrapper {
    display: flex;
    align-items: center;
    border: 1px solid #ddd;
    border-radius: 6px;
    overflow: hidden;
}

.id-prefix {
    background: #f8f9fa;
    padding: 10px 12px;
    font-size: 12px;
    color: #777;
    border-right: 1px solid #ddd;
}

.id-inner-input {
    border: none !important;
    flex: 1;
    padding: 10px !important;
}

.btn-confirm {
    background-color: #2ecc71 !important;
    color: white !important;
    border: none !important;      
    padding: 10px 22px;      
    border-radius: 8px;          
    font-weight: 600;          
    font-size: 14px;           
    cursor: pointer;            
    display: inline-flex;      
    align-items: center;        
    justify-content: center;    
    transition: all 0.2s;       
	margin-left: auto;
}

.btn-confirm:hover {
    background-color: #27ae60 !important;
    transform: translateY(-1px);
}

.helper-text {
    font-size: 11px;
    color: #1a73e8;
    margin-top: 6px;
}

.checkbox-group {
    display: flex;        
    gap: 15px;        
    margin-top: 5px;      
	align-items: center;
}

.checkbox-label {
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 0 !important;
    cursor: pointer;
    color: #555;
}

.rule-group-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 25px;
    position: relative;
}

.group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    gap: 15px;
}

.group-name-input {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    padding: 8px 0;
    border: none;
    border-bottom: 2px solid #eee;
    outline: none;
    transition: border-color 0.2s;
}

.group-name-input:focus {
    border-bottom-color: #1a73e8;
}

.rule-item-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 15px;
    table-layout: fixed; 
}

.rule-item-table th {
    text-align: left;
    font-size: 13px;
    color: #666;
    padding: 0 5px 10px 5px;
    vertical-align: bottom; 
}

.rule-item-table td {
    padding: 8px 5px;
    vertical-align: middle; 
}
.rule-item-table .modal-input {
    height: 40px !important; 
    display: block;
}

.rule-item-table textarea.code-area {
    resize: none; 
    line-height: 22px; 
    font-family: 'Courier New', monospace; 
}

.code-area {
    white-space: pre !important; 
    word-wrap: normal !important;
    overflow-x: auto !important;  
    overflow-y: hidden !important; 
    padding: 10px;
    height: 40px;           
    border: 1px solid #ddd;
    border-radius: 4px;
    scrollbar-width: thin;     
}

.code-area::-webkit-scrollbar {
    height: 4px;               
}

.code-area::-webkit-scrollbar-track {
    background: transparent;   
}

.code-area::-webkit-scrollbar-thumb {
    background: #dee2e6;      
    border-radius: 10px;
}

.code-area:hover::-webkit-scrollbar-thumb {
    background: #adb5bd;     
}

.btn-add-item-dashed {
    width: 100%;
    padding: 10px;
    background: #f8f9fa;
    border: 1px dashed #ccc;
    border-radius: 6px;
    color: #666;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.btn-add-item-dashed:hover {
    background: #f1f3f4;
    border-color: #1a73e8;
    color: #1a73e8;
}

.btn-del-item {
    background: none;
    border: none;
    color: #ccc;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 40px; 
    margin-left: 10px; 
    transition: color 0.2s;
}

.btn-del-item:hover { color: #ff4d4f; }

.btn-del-group {
    background: none;
    border: none;
    color: #ff4d4f;
    font-size: 12px;
    cursor: pointer;
    opacity: 0.7;
}

.btn-del-group:hover { opacity: 1; text-decoration: underline; }

.input-date-ym {
    width: 90px !important;   
    text-align: center;       
    letter-spacing: 1.2px;   
}

.modal-footer-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
}

.btn-secondary {
    background: #f1f3f4;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}

.btn-secondary:hover { background: #e8eaed; }

.modal-close-x {
    background: none !important;
    border: none !important;
    padding: 0 !important;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    transition: all 0.2s ease;
}

.modal-close-x:hover {
    color: #333; 
    transform: scale(1.2);
}

.modal-close-x .material-symbols-outlined {
    font-variation-settings: 'wght' 400; 
    transition: font-variation-settings 0.2s ease;
}

.modal-close-x:hover .material-symbols-outlined {
    font-variation-settings: 'wght' 700; 
}

/* UX 개선 */

.toolbar button:disabled,
.toolbar select:disabled {
    cursor: not-allowed;
    pointer-events: auto; 
}

#previewArea:empty::before {
    content: '← HTML 에디터에 코드를 입력하거나, 분석 버튼으로 샘플을 불러오세요.';
    display: block;
    color: #ccc;
    font-size: 13px;
    font-style: italic;
    pointer-events: none;
    user-select: none;
}

#previewArea td, #previewArea th {
    transition: outline 0.1s ease;
}

#previewArea ::selection {
    background: rgba(26, 115, 232, 0.2);
}

.modal-input:focus,
.modal-section input:focus,
.modal-section textarea:focus {
    border-color: #1a73e8;
    box-shadow: 0 0 0 3px rgba(26,115,232,0.12);
    transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.btn-confirm,
.btn-secondary {
    transition: background-color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

.preview-line-focus {
    outline: 2px solid #333 !important;
    outline-offset: -1px;
    background-color: transparent !important;
}

.cm-header-locked,
.cm-header-locked .cm-tag,
.cm-header-locked .cm-attribute,
.cm-header-locked .cm-string,
.cm-header-locked .cm-meta,
.cm-header-locked .cm-comment {
    color: #cccccc !important;
}

.editor-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    letter-spacing: 0.2px;
    color: #fff;
    z-index: 10000;
    pointer-events: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background-color: #333; /* info (기본) */
}
.editor-toast--show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.editor-toast--error   { background-color: #d32f2f; }
.editor-toast--success { background-color: #388e3c; }
.editor-toast--info    { background-color: #333; }

.working-marker {
    color: #2ecc71;
    font-size: 10px;
    line-height: 1;
}
.working-marker--new { color: #2ecc71; } 
.working-marker--pos { color: #ff5722; } 

.toolbar-disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: auto;
}

#linkImgPreview{
	display:none; 
	margin-top:10px; 
	border:1px solid #ddd; 
	padding:5px; 
	border-radius:4px; 
	text-align:center;
}

#modalPreviewImg{
	max-height:80px; 
	max-width:100%; 
	border-radius:4px;
}

.active-line-highlight {
    background-color: rgba(255, 235, 59, 0.3) !important; 
}