/* ========== Highlight.js Custom Theme ========== */
.hljs {
    color: var(--text-primary);
    background: transparent;
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-meta {
    color: var(--syntax-keyword);
}

.hljs-string,
.hljs-regexp,
.hljs-selector-class {
    color: var(--syntax-string);
}

.hljs-comment,
.hljs-quote {
    color: var(--syntax-comment);
    font-style: italic;
}

.hljs-title,
.hljs-title.function_,
.hljs-selector-id {
    color: var(--syntax-function);
}

.hljs-number,
.hljs-literal {
    color: var(--syntax-number);
}

.hljs-type,
.hljs-built_in,
.hljs-selector-pseudo {
    color: var(--syntax-type);
}

.hljs-variable,
.hljs-template-variable,
.hljs-attr,
.hljs-params {
    color: var(--syntax-variable);
}

.hljs-tag,
.hljs-name,
.hljs-attribute {
    color: var(--syntax-tag);
}

.hljs-symbol,
.hljs-bullet,
.hljs-link {
    color: var(--syntax-number);
}

.hljs-addition {
    color: var(--syntax-addition);
}

.hljs-deletion {
    color: var(--syntax-deletion);
}

.hljs-section,
.hljs-title.class_ {
    color: var(--syntax-function);
}

.hljs-emphasis {
    font-style: italic;
}

.hljs-strong {
    font-weight: bold;
}

/* Snippets Tool Specific Styles */
.header-section {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto 20px auto;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.header-content p {
    margin: 0;
    flex: 1;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.header-actions .format-btn {
    margin-top: 0;
    white-space: nowrap;
}

.snippets-container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

/* Toolbar */
.toolbar {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.search-wrapper {
    position: relative;
}

.search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

#searchInput {
    padding: 12px 15px 12px 45px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 16px;
    font-family: "Raleway", sans-serif;
    transition:
        border-color 0.3s,
        box-shadow 0.3s;
    outline: none;
    width: 280px;
    box-sizing: border-box;
}

#searchInput:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 15px var(--accent-primary);
}

#newSnippetBtn {
    margin-top: 0;
    padding: 12px 20px;
    white-space: nowrap;
    flex-shrink: 0;
}

.toolbar-spacer {
    flex: 1;
}

/* Sort Select */
.sort-select {
    padding: 12px 15px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: "Raleway", sans-serif;
    cursor: pointer;
    outline: none;
    transition:
        border-color 0.3s,
        box-shadow 0.3s;
    flex-shrink: 0;
}

.sort-select:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 15px var(--accent-primary);
}

/* Shortcuts Info */
.shortcuts-info {
    position: relative;
    flex-shrink: 0;
}

.shortcuts-btn {
    font-size: 14px;
    padding: 10px 12px;
}

.shortcuts-tooltip {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--accent-primary);
    border-radius: 8px;
    padding: 12px 16px;
    min-width: 240px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    z-index: 100;
}

.shortcuts-tooltip.show {
    display: block;
}

.shortcuts-tooltip-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-secondary);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}

.shortcut-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    padding: 4px 0;
}

.shortcut-row kbd {
    display: inline-block;
    padding: 2px 6px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    font-family: "Consolas", "Monaco", monospace;
    font-size: 11px;
    color: var(--text-primary);
    min-width: 20px;
    text-align: center;
}

/* Main Layout - Three Panel */
.main-layout {
    display: flex;
    gap: 15px;
    min-height: calc(100vh - 280px);
}

/* Panel Base Styles */
.categories-panel,
.snippets-panel,
.content-panel {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    box-shadow: 0 0 4px var(--shadow-color);
    display: flex;
    flex-direction: column;
}

/* Categories Panel - Left */
.categories-panel {
    width: 240px;
    flex-shrink: 0;
}

/* Snippets Panel - Middle */
.snippets-panel {
    width: 320px;
    flex-shrink: 0;
}

/* Content Panel - Right */
.content-panel {
    flex: 1;
    min-width: 0;
}

/* Panel Header */
.panel-header {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h3 {
    color: var(--accent-secondary);
    font-size: 14px;
    margin: 0;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Panel Content */
.panel-content {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
}

.count-badge {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 12px;
}

/* Category List */
.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    margin-bottom: 5px;
    background-color: var(--bg-tertiary);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.category-item:hover {
    background-color: var(--bg-hover);
    border-color: var(--accent-primary);
}

.category-item.active {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
}

.category-item.active .category-count {
    background-color: var(--bg-primary);
    color: var(--accent-secondary);
}

.category-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.category-count {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    flex-shrink: 0;
}

.category-actions {
    display: none;
    gap: 5px;
}

.category-item:hover .category-actions {
    display: flex;
}

.category-item:hover .category-count {
    display: none;
}

.category-action-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px 5px;
    font-size: 12px;
    transition: color 0.3s;
}

.category-action-btn:hover {
    color: var(--accent-secondary);
}

.category-action-btn.delete:hover {
    color: var(--error-color);
}

.add-category-btn {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    background-color: transparent;
    border: 1px dashed var(--border-color);
    border-radius: 5px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    font-family: "Raleway", sans-serif;
    transition: all 0.3s;
}

.add-category-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-secondary);
    background-color: rgba(116, 161, 46, 0.1);
}

/* Snippets List */
.snippets-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.snippet-item {
    padding: 12px;
    margin-bottom: 8px;
    background-color: var(--bg-tertiary);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.snippet-item:hover {
    background-color: var(--bg-hover);
    border-color: var(--accent-primary);
}

.snippet-item.active {
    background-color: var(--bg-hover);
    border-color: var(--accent-secondary);
    box-shadow: 0 0 10px rgba(198, 238, 134, 0.2);
}

.snippet-item-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

.snippet-item-star {
    color: #f5a623;
    font-size: 12px;
    flex-shrink: 0;
}

.snippet-item-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.snippet-item-header .snippet-item-name {
    margin-bottom: 0;
}

.snippet-item-meta {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.snippet-item-type {
    font-size: 11px;
    color: var(--accent-primary);
    background-color: rgba(116, 161, 46, 0.2);
    padding: 2px 6px;
    border-radius: 3px;
}

.snippet-item-ext {
    font-size: 11px;
    color: var(--text-secondary);
}

.snippet-item-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.snippet-item-tag {
    font-size: 10px;
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
    padding: 1px 5px;
    border-radius: 3px;
}

.empty-list {
    color: var(--text-secondary);
    text-align: center;
    padding: 20px;
    font-size: 13px;
}

/* Content Panel */
.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    padding: 40px;
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 20px;
    color: var(--border-color);
}

.empty-state p {
    font-size: 18px;
    color: var(--text-secondary);
}

/* Snippet View */
.snippet-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.snippet-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    gap: 20px;
}

.snippet-title-section {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.snippet-title-section h2 {
    color: var(--accent-secondary);
    font-size: 24px;
    margin: 0;
    font-weight: 600;
}

.snippet-type-badge {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

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

.action-btn {
    padding: 8px 12px;
    background-color: transparent;
    border: none;
    border-radius: 5px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 16px;
}

.action-btn:hover {
    background-color: transparent;
    color: var(--accent-secondary);
}

.action-btn.delete:hover {
    background-color: var(--error-color);
    color: var(--bg-primary);
}

/* Favorite Button */
.favorite-btn.is-favorite i {
    font-weight: 900;
    color: #f5a623;
}

.favorite-btn.is-favorite {
    background-color: rgba(245, 166, 35, 0.15);
}

.favorite-btn:hover {
    background-color: rgba(245, 166, 35, 0.25) !important;
    color: #f5a623 !important;
}

.snippet-description {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0 0 15px 0;
    padding: 10px 15px;
    background-color: var(--bg-primary);
    border-radius: 5px;
    border-left: 3px solid var(--accent-primary);
    border-top: 1px solid var(--bg-tertiary);
    border-bottom: 1px solid var(--bg-tertiary);
    border-right: 1px solid var(--bg-tertiary);
    text-align: left;
}

.snippet-description:empty {
    display: none;
}

/* Snippet Tags (view) */
.snippet-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.snippet-tags:empty {
    display: none;
}

.snippet-tag-badge {
    font-size: 12px;
    color: var(--accent-secondary);
    background-color: rgba(116, 161, 46, 0.15);
    border: 1px solid rgba(116, 161, 46, 0.3);
    padding: 3px 10px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.snippet-tag-badge:hover {
    background-color: rgba(116, 161, 46, 0.3);
    border-color: var(--accent-primary);
}

/* Snippet Notes (view) */
.snippet-notes {
    color: var(--text-secondary);
    font-size: 13px;
    margin: 0 0 15px 0;
    padding: 10px 15px;
    background-color: var(--bg-primary);
    border-radius: 5px;
    border-left: 3px solid #5b9bd5;
    white-space: pre-wrap;
}

.snippet-notes:empty {
    display: none;
}

/* Code Container */
.code-container {
    flex: 1;
    background-color: var(--bg-primary);
    border-radius: 5px;
    overflow: auto;
    max-height: 60vh;
    border: 1px solid var(--border-color);
}

.code-container pre {
    margin: 0;
    padding: 20px;
    height: 100%;
    min-height: 300px;
    white-space: pre-wrap;
    overflow-x: hidden;
}

.code-container code {
    font-family: "Consolas", "Monaco", "Courier New", monospace;
    font-size: 14px;
    line-height: 1.6;
    white-space: pre-wrap;
    overflow-wrap: break-word;
    word-break: break-word;
}

.code-line {
    display: block;
    padding-left: 2.5em;
    text-indent: -5.5em;
}

/* Override highlight.js background to match theme */
.code-container pre code.hljs {
    background: transparent;
    padding: 0;
}

/* Line Numbers */

.line-number {
    display: inline-block;
    width: 3.5em;
    text-align: right;
    padding-right: 1em;
    margin-right: 0.5em;
    color: var(--text-secondary);
    opacity: 0.4;
    border-right: 1px solid var(--border-color);
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    font-size: 12px;
}

.snippet-meta {
    display: flex;
    gap: 20px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-secondary);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--accent-primary);
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 0 20px rgba(116, 161, 46, 0.5);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content.modal-large {
    max-width: 800px;
}

.modal-content.modal-small {
    max-width: 400px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    color: var(--accent-secondary);
    margin: 0;
    font-size: 20px;
}

.modal-header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.modal-header-actions .format-btn,
.modal-header-actions .clear-bnt {
    margin-top: 0;
    padding: 8px 18px;
    font-size: 14px;
}

.modal-close {
    color: var(--text-secondary);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
    line-height: 1;
}

.modal-close:hover {
    color: var(--error-color);
}

.modal-body {
    padding: 20px;
}

.modal-body p {
    text-align: left;
    color: var(--text-primary);
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.modal-footer .format-btn,
.modal-footer .clear-bnt {
    margin-top: 0;
}

/* Form Styles */
.form-row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.form-group {
    margin-bottom: 15px;
}

.form-group.flex-1 {
    flex: 1;
    min-width: 200px;
}

.form-group label {
    display: block;
    color: var(--accent-secondary);
    font-size: 14px;
    margin-bottom: 8px;
    font-weight: 500;
}

.edit-input,
.edit-select,
.edit-textarea {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 16px;
    font-family: "Raleway", sans-serif;
    transition:
        border-color 0.3s,
        box-shadow 0.3s;
    outline: none;
    box-sizing: border-box;
}

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

.edit-textarea.code-textarea {
    font-family: "Consolas", "Monaco", "Courier New", monospace;
    min-height: 300px;
    font-size: 14px;
    line-height: 1.5;
    tab-size: 4;
}

.edit-input:focus,
.edit-select:focus,
.edit-textarea:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 15px var(--accent-primary);
}

/* Tag Input */
.tag-input-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    min-height: 46px;
    cursor: text;
    box-sizing: border-box;
    transition:
        border-color 0.3s,
        box-shadow 0.3s;
}

.tag-input-wrapper:focus-within {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 15px var(--accent-primary);
}

.tag-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag-chip {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    background-color: rgba(116, 161, 46, 0.2);
    border: 1px solid rgba(116, 161, 46, 0.4);
    border-radius: 12px;
    font-size: 12px;
    color: var(--accent-secondary);
}

.tag-chip-remove {
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.tag-chip-remove:hover {
    opacity: 1;
}

.tag-input {
    border: none;
    outline: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 16px;
    font-family: "Raleway", sans-serif;
    flex: 1;
    min-width: 120px;
    padding: 2px 0;
}

.tag-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

/* Copy Notification */
.copy-notification {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    padding: 12px 25px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 3000;
    opacity: 0;
    transition: all 0.3s ease;
}

.copy-notification.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Version History Modal */
.history-modal-body {
    padding: 0 !important;
}

.history-layout {
    display: flex;
    height: 450px;
}

.history-list-panel {
    width: 240px;
    flex-shrink: 0;
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
}

.history-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.history-item {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s;
}

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

.history-item.active {
    background-color: rgba(116, 161, 46, 0.15);
    border-left: 3px solid var(--accent-primary);
}

.history-item-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.history-item-date {
    font-size: 11px;
    color: var(--text-secondary);
}

.history-preview-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 15px;
    overflow: auto;
}

.history-preview-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.history-preview-empty i {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--border-color);
}

.history-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 13px;
}

.history-preview-header span:first-child {
    font-weight: 600;
    color: var(--accent-secondary);
}

.history-preview-header span:last-child {
    color: var(--text-secondary);
}

.history-code {
    flex: 1;
    min-height: 200px;
    margin-bottom: 10px;
}

.history-code pre {
    min-height: 200px !important;
}

.history-empty-message {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px;
    font-size: 13px;
}

/* Scrollbar styling */
.panel-content::-webkit-scrollbar,
.code-container::-webkit-scrollbar,
.modal-content::-webkit-scrollbar,
.history-list-panel::-webkit-scrollbar,
.templates-grid::-webkit-scrollbar {
    width: 8px;
}

.panel-content::-webkit-scrollbar-track,
.code-container::-webkit-scrollbar-track,
.modal-content::-webkit-scrollbar-track,
.history-list-panel::-webkit-scrollbar-track,
.templates-grid::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 5px;
}

.panel-content::-webkit-scrollbar-thumb,
.code-container::-webkit-scrollbar-thumb,
.modal-content::-webkit-scrollbar-thumb,
.history-list-panel::-webkit-scrollbar-thumb,
.templates-grid::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 5px;
}

.panel-content::-webkit-scrollbar-thumb:hover,
.code-container::-webkit-scrollbar-thumb:hover,
.modal-content::-webkit-scrollbar-thumb:hover,
.history-list-panel::-webkit-scrollbar-thumb:hover,
.templates-grid::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

/* Share Modal */
.share-link-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.share-link-row .edit-input {
    flex: 1;
    font-size: 13px;
    cursor: text;
}

.share-link-row .action-btn {
    flex-shrink: 0;
}

.share-expiry-info {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 8px 0 0 0;
}

/* Shared Snippet Modal */
.shared-snippet-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

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

.shared-expired-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.shared-expired-state i {
    font-size: 48px;
    margin-bottom: 15px;
    color: var(--border-color);
}

.shared-expired-state p {
    font-size: 16px;
    text-align: center;
}

/* Templates Modal */
#templatesBtn {
    margin-top: 0;
    padding: 12px 20px;
    white-space: nowrap;
    flex-shrink: 0;
}

.templates-modal-body {
    padding: 0 !important;
}

.templates-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    padding: 0 20px;
    overflow-x: auto;
}

.templates-tab {
    padding: 12px 20px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-family: "Raleway", sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.templates-tab:hover {
    color: var(--text-primary);
    background-color: var(--bg-hover);
}

.templates-tab.active {
    color: var(--accent-secondary);
    border-bottom-color: var(--accent-secondary);
}

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
    padding: 20px;
    max-height: 500px;
    overflow-y: auto;
}

.template-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.2s;
}

.template-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 12px rgba(116, 161, 46, 0.2);
    transform: translateY(-1px);
}

.template-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.template-card-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-secondary);
}

.template-card-ext {
    font-size: 11px;
    color: var(--accent-primary);
    background-color: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 3px;
}

.template-card-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin: 0 0 10px 0;
    text-align: left;
}

.template-card-preview {
    margin: 0;
    padding: 10px;
    background-color: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    max-height: 80px;
}

.template-card-preview code {
    font-family: "Consolas", "Monaco", "Courier New", monospace;
    font-size: 11px;
    color: var(--text-secondary);
    white-space: pre;
    line-height: 1.4;
}

/* Template hover code preview panel */
.template-code-preview {
    position: fixed;
    z-index: 5000;
    width: 440px;
    max-height: 420px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--accent-primary);
    border-radius: 8px;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(116, 161, 46, 0.15);
    overflow: hidden;
    display: none;
    flex-direction: column;
}

.tcp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-secondary);
    background-color: var(--bg-primary);
    flex-shrink: 0;
}

.tcp-ext {
    font-size: 11px;
    color: var(--accent-primary);
    background-color: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 3px;
    font-weight: 400;
}

.template-code-preview pre {
    margin: 0;
    padding: 14px;
    overflow: auto;
    flex: 1;
    min-height: 0;
}

.template-code-preview pre code {
    font-family: "Consolas", "Monaco", "Courier New", monospace;
    font-size: 12px;
    line-height: 1.5;
    white-space: pre;
}

/* ── MD Toolbar ──────────────────────────────────────────── */
.md-toolbar {
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 5px 8px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-radius: 5px 5px 0 0;
    flex-wrap: wrap;
}

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

.md-toolbar-sep {
    width: 1px;
    height: 18px;
    background-color: var(--border-color);
    margin: 0 4px;
    flex-shrink: 0;
}

.md-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 3px 7px;
    min-width: 28px;
    height: 26px;
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    font-family: "Raleway", sans-serif;
    line-height: 1;
    transition: all 0.15s;
    white-space: nowrap;
}

.md-btn:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-color);
    color: var(--accent-secondary);
}

.md-btn:active {
    background-color: rgba(116, 161, 46, 0.15);
}

.md-btn-text {
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 0.3px;
}

.md-btn-math {
    font-style: italic;
    font-size: 12px;
    font-family: "Georgia", "Times New Roman", serif;
    letter-spacing: 0.3px;
}

/* Textarea joins seamlessly with toolbar */
.edit-textarea.with-md-toolbar {
    border-top: 1px solid var(--border-color);
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

/* LaTeX Palette Popup */
.md-palette-wrapper {
    position: relative;
}

.md-latex-palette {
    position: fixed;
    z-index: 5000;
    background-color: var(--bg-secondary);
    border: 1px solid var(--accent-primary);
    border-radius: 8px;
    box-shadow: 0 6px 28px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(116, 161, 46, 0.1);
    width: 400px;
    overflow: hidden;
}

.md-palette-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    overflow-x: auto;
}

.md-palette-tabs::-webkit-scrollbar { height: 3px; }
.md-palette-tabs::-webkit-scrollbar-thumb { background: var(--accent-primary); }

.md-palette-tab {
    padding: 7px 13px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 12px;
    font-family: "Raleway", sans-serif;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
    flex-shrink: 0;
}

.md-palette-tab:hover { color: var(--text-primary); }

.md-palette-tab.active {
    color: var(--accent-secondary);
    border-bottom-color: var(--accent-secondary);
}

.md-palette-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 10px;
    max-height: 190px;
    overflow-y: auto;
}

.md-palette-grid::-webkit-scrollbar { width: 6px; }
.md-palette-grid::-webkit-scrollbar-track { background: var(--bg-primary); }
.md-palette-grid::-webkit-scrollbar-thumb { background: var(--accent-primary); border-radius: 3px; }

.md-palette-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 3px 7px;
    min-width: 34px;
    height: 30px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
    font-family: "Consolas", "Monaco", monospace;
    transition: all 0.12s;
    white-space: nowrap;
}

.md-palette-item:hover {
    background-color: var(--bg-hover);
    border-color: var(--accent-primary);
    color: var(--accent-secondary);
}

/* Markdown Preview */
.markdown-preview {
    flex: 1;
    padding: 20px 24px;
    background-color: var(--bg-primary);
    border-radius: 5px;
    border: 1px solid var(--border-color);
    overflow: auto;
    max-height: 60vh;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
}

.markdown-preview h1,
.markdown-preview h2,
.markdown-preview h3,
.markdown-preview h4,
.markdown-preview h5,
.markdown-preview h6 {
    color: var(--accent-secondary);
    margin: 1.2em 0 0.5em 0;
    line-height: 1.3;
    font-weight: 600;
}

.markdown-preview h1 {
    font-size: 1.75em;
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--border-color);
    margin-top: 0;
}

.markdown-preview h2 {
    font-size: 1.4em;
    padding-bottom: 0.25em;
    border-bottom: 1px solid var(--border-color);
}

.markdown-preview h3 { font-size: 1.2em; }
.markdown-preview h4 { font-size: 1.05em; }

.markdown-preview p { margin: 0 0 1em 0; }

.markdown-preview a {
    color: var(--accent-primary);
    text-decoration: none;
}

.markdown-preview a:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.markdown-preview code {
    font-family: "Consolas", "Monaco", "Courier New", monospace;
    font-size: 0.875em;
    background-color: var(--bg-secondary);
    padding: 0.15em 0.4em;
    border-radius: 3px;
    color: var(--syntax-string);
}

.markdown-preview pre {
    background-color: var(--bg-secondary);
    border-radius: 5px;
    padding: 16px;
    overflow-x: auto;
    margin: 1em 0;
    border: 1px solid var(--border-color);
}

.markdown-preview pre code {
    background: transparent;
    padding: 0;
    font-size: 13px;
    color: var(--text-primary);
}

.markdown-preview blockquote {
    margin: 1em 0;
    padding: 0.5em 1em;
    border-left: 4px solid var(--accent-primary);
    background-color: var(--bg-secondary);
    border-radius: 0 5px 5px 0;
    color: var(--text-secondary);
}

.markdown-preview blockquote p { margin: 0; }

.markdown-preview ul,
.markdown-preview ol {
    margin: 0.5em 0 1em 0;
    padding-left: 1.75em;
}

.markdown-preview li { margin: 0.3em 0; }

.markdown-preview table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
    font-size: 14px;
}

.markdown-preview th,
.markdown-preview td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: left;
}

.markdown-preview th {
    background-color: var(--bg-secondary);
    color: var(--accent-secondary);
    font-weight: 600;
}

.markdown-preview tr:nth-child(even) td {
    background-color: var(--bg-tertiary);
}

.markdown-preview hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1.5em 0;
}

.markdown-preview img {
    max-width: 100%;
    border-radius: 5px;
}

/* KaTeX display math */
.markdown-preview .katex-display {
    margin: 1em 0;
    overflow-x: auto;
    overflow-y: hidden;
}

/* Mobile Responsive */
@media (max-width: 1200px) {
    .categories-panel {
        width: 200px;
    }

    .snippets-panel {
        width: 280px;
    }

    .search-wrapper {
        max-width: 280px;
    }
}

@media (max-width: 992px) {
    .main-layout {
        flex-direction: column;
    }

    .categories-panel,
    .snippets-panel {
        width: 100%;
    }

    .categories-panel {
        max-height: 200px;
    }

    .snippets-panel {
        max-height: 250px;
    }

    .content-panel {
        min-height: 400px;
    }

    .history-layout {
        flex-direction: column;
        height: auto;
    }

    .history-list-panel {
        width: 100%;
        max-height: 200px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}

@media (max-width: 768px) {
    .toolbar {
        flex-direction: column;
        gap: 15px;
    }

    .search-wrapper {
        max-width: 100%;
        width: 100%;
    }

    #newSnippetBtn {
        width: 100%;
    }

    .sort-select {
        width: 100%;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .snippet-header {
        flex-direction: column;
    }

    .snippet-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .form-row {
        flex-direction: column;
    }

    .form-group.flex-1 {
        min-width: 100%;
    }

    .snippet-meta {
        flex-direction: column;
        gap: 5px;
    }
}

@media (max-width: 540px) {
    .snippets-container {
        padding: 0 10px;
    }

    .snippet-title-section h2 {
        font-size: 20px;
    }

    .action-btn {
        padding: 6px 10px;
        font-size: 14px;
    }

    .code-container pre {
        padding: 15px;
    }

    .code-container code {
        font-size: 12px;
    }

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

    .header-actions .format-btn {
        width: 100%;
    }
}