@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #0066ff;
    --primary-hover: #0052cc;
    --primary-light: #e6f0ff;
    --danger-color: #e60000;
    --success-color: #00875a;
    --bg-color: #ffffff;
    --surface-color: #fafbfc;
    --text-color: #172b4d;
    --text-secondary: #5e6c84;
    --border-color: #dfe1e6;
    --divider-color: #ebecf0;
    --hover-bg: #f4f5f7;
    --gray-text: #5e6c84;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
    color: var(--text-color);
    background: var(--bg-color);
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: var(--bg-color);
    border-bottom: 2px solid var(--divider-color);
    padding: 1.25rem 0;
    margin-bottom: 0;
}

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

header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

header h1 a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.15s ease;
}

header h1 a:hover {
    color: var(--primary-color);
}

nav {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* Search Form */
.search-form {
    display: flex;
    gap: 0;
    align-items: center;
}

.search-form input {
    padding: 0.5rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 4px 0 0 4px;
    font-size: 0.9375rem;
    min-width: 260px;
    background: var(--surface-color);
    transition: all 0.15s ease;
    font-weight: 400;
    border-right: none;
}

.search-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-color);
}

.search-form input::placeholder {
    color: var(--text-secondary);
}

.search-form button {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0 4px 4px 0;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.search-form button:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.search-form button:active {
    background: var(--primary-hover);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-decoration: none;
    color: var(--text-color);
    background: var(--bg-color);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

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

.btn:active {
    background: var(--surface-color);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    font-weight: 600;
}

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

.btn-primary:active {
    background: #003d99;
}

/* Article List */
.article-list article {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--divider-color);
    transition: all 0.15s ease;
    position: relative;
}

.article-list article:hover {
    background: var(--surface-color);
    margin: 0 -1.5rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--divider-color);
}

.article-list article:last-child {
    border-bottom: none;
}

.article-header-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.article-list h2 {
    font-size: 1.375rem;
    margin: 0;
    font-weight: 600;
    letter-spacing: -0.015em;
    flex-grow: 1;
}

.article-list h2 a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.15s ease;
}

.article-list h2 a:hover {
    color: var(--primary-color);
}

.article-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 400;
    margin-left: 1rem;
    white-space: nowrap;
}

.article-summary {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0.5rem 0 0.75rem 0;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.article-tags-section {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
    flex: 1;
}

.article-actions {
    display: flex;
    gap: 0.375rem;
    align-items: center;
}

.action-btn {
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-color);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

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

.action-btn.btn-read {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.action-btn.btn-edit {
    color: var(--success-color);
    border-color: var(--success-color);
}

.action-btn.btn-edit:hover {
    background: var(--success-color);
    color: white;
}

.action-btn svg {
    width: 14px;
    height: 14px;
}

.meta {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 400;
}

.edit-link {
    margin-left: 1rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.15s ease;
}

.edit-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Wiki Content */
.wiki-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1rem;
    line-height: 1.7;
}

.wiki-content h1, .wiki-content h2, .wiki-content h3,
.wiki-content h4, .wiki-content h5, .wiki-content h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-color);
    scroll-margin-top: 2rem;
}

.wiki-content h1 {
    font-size: 2.5rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--divider-color);
}

.wiki-content h1:first-child {
    margin-top: 0;
}

.wiki-content h2 {
    font-size: 2rem;
    margin-top: 3rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--divider-color);
    transition: border-color 0.2s ease;
}

.wiki-content h2:hover {
    border-color: var(--primary-color);
}

.wiki-content h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.wiki-content h4 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.875rem;
    color: var(--text-secondary);
}

.wiki-content h5 {
    font-size: 1.125rem;
    margin-top: 1.25rem;
    margin-bottom: 0.75rem;
}

.wiki-content h6 {
    font-size: 1rem;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
}

.wiki-content p {
    margin-bottom: 1.25rem;
    transition: all 0.2s ease;
}

.wiki-content p:hover {
    padding-left: 0.5rem;
    border-left: 3px solid var(--primary-light);
}

/* List styling - elegant with proper indentation and hierarchy */
.wiki-content ul,
.wiki-content ol {
    margin: 1.25rem 0;
    padding-left: 0;
    line-height: 1.7;
    counter-reset: item;
}

/* Remove top margin from first list */
.wiki-content > ul:first-child,
.wiki-content > ol:first-child {
    margin-top: 0;
}

/* List items - elegant with subtle background always visible */
.wiki-content li {
    position: relative;
    margin-bottom: 0.5rem;
    padding: 0.625rem 1rem 0.625rem 3rem;
    background: linear-gradient(to right, rgba(0, 102, 255, 0.02), transparent);
    border-left: 2px solid rgba(0, 102, 255, 0.12);
    border-radius: 6px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    list-style: none;
}

/* Remove margins from paragraphs inside list items */
.wiki-content li > p {
    margin: 0;
    display: inline;
}

.wiki-content li > p:hover {
    padding-left: 0;
    border-left: none;
}

/* First item in top-level list gets extra top padding */
.wiki-content > ul > li:first-child,
.wiki-content > ol > li:first-child {
    padding-top: 0.875rem;
    margin-top: 0;
}

/* Elegant hover effect with enhanced gradient background */
.wiki-content li:hover {
    background: linear-gradient(to right, rgba(0, 102, 255, 0.06), transparent);
    padding-left: 3.25rem;
    border-left-color: var(--primary-color);
    border-left-width: 3px;
}

/* Last item has no bottom margin but extra bottom padding */
.wiki-content li:last-child {
    margin-bottom: 0;
    padding-bottom: 0.875rem;
}

/* Custom markers using ::before for precise control */
.wiki-content li::before {
    position: absolute;
    left: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    transition: all 0.25s ease;
}

.wiki-content li:hover::before {
    color: var(--primary-hover);
    transform: scale(1.15);
}

/* Level 1 - Unordered: Arrow */
.wiki-content > ul > li::before {
    content: "▸";
    font-size: 1.1em;
}

/* Level 1 - Ordered: Numbers */
.wiki-content > ol > li {
    counter-increment: item;
}

.wiki-content > ol > li::before {
    content: counter(item) ".";
}

/* Nested lists - proper indentation */
.wiki-content li > ul,
.wiki-content li > ol {
    margin: 0.625rem 0 0.75rem 0;
    padding-left: 2rem;
}

/* Level 2 - Nested items */
.wiki-content li li {
    padding: 0.5rem 0.875rem 0.5rem 2.5rem;
    font-size: 0.975em;
    margin-bottom: 0.375rem;
    background: linear-gradient(to right, rgba(0, 102, 255, 0.015), transparent);
    border-left-width: 1.5px;
}

/* First item in nested list */
.wiki-content li > ul > li:first-child,
.wiki-content li > ol > li:first-child {
    margin-top: 0;
}

.wiki-content li li:hover {
    padding-left: 2.75rem;
    background: linear-gradient(to right, rgba(0, 102, 255, 0.05), transparent);
    border-left-width: 2px;
}

.wiki-content li li::before {
    left: 0.875rem;
}

/* Level 2 - Unordered: Bullet */
.wiki-content ul ul > li::before {
    content: "•";
    font-size: 1.2em;
}

/* Level 2 - Ordered: Letters */
.wiki-content ol ol {
    counter-reset: subitem;
}

.wiki-content ol ol > li {
    counter-increment: subitem;
}

.wiki-content ol ol > li::before {
    content: counter(subitem, lower-alpha) ")";
}

/* Level 3 - Deeply nested */
.wiki-content li li li {
    padding: 0.375rem 0.75rem 0.375rem 2.25rem;
    font-size: 0.95em;
    margin-bottom: 0.25rem;
    background: linear-gradient(to right, rgba(0, 102, 255, 0.01), transparent);
    border-left-width: 1px;
}

.wiki-content li li li:hover {
    padding-left: 2.5rem;
    background: linear-gradient(to right, rgba(0, 102, 255, 0.04), transparent);
    border-left-width: 1.5px;
}

.wiki-content li li li::before {
    left: 0.75rem;
    font-size: 0.9em;
}

/* Level 3 - Unordered: Circle */
.wiki-content ul ul ul > li::before {
    content: "◦";
    font-size: 1.3em;
}

/* Level 3 - Ordered: Roman numerals */
.wiki-content ol ol ol {
    counter-reset: subsubitem;
}

.wiki-content ol ol ol > li {
    counter-increment: subsubitem;
}

.wiki-content ol ol ol > li::before {
    content: counter(subsubitem, lower-roman) ".";
}

/* Mixed nesting (ol in ul, ul in ol) */
.wiki-content ul ol {
    counter-reset: mixeditem;
}

.wiki-content ul ol > li {
    counter-increment: mixeditem;
}

.wiki-content ul ol > li::before {
    content: counter(mixeditem) ".";
}

.wiki-content ol ul > li::before {
    content: "•";
    font-size: 1.2em;
}

/* Active state */
.wiki-content li:active {
    background: rgba(0, 102, 255, 0.08);
    transform: scale(0.995);
}

.wiki-content code {
    background: var(--surface-color);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', 'Droid Sans Mono', 'Source Code Pro', monospace;
    font-size: 0.875em;
    border: 1px solid var(--border-color);
    color: #d73a49;
    font-weight: 500;
}

.wiki-content pre {
    background: #f6f8fa;
    padding: 0.875rem 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 1.5rem 0;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.wiki-content pre:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 102, 255, 0.08);
}

.wiki-content pre code {
    background: none;
    padding: 0;
    border: none;
    color: #24292e;
    font-weight: 400;
    font-size: 0.875rem;
    line-height: 1.5;
    display: inline;
}

.wiki-content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 2rem 0;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.wiki-content img:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: scale(1.02);
}

.wiki-content blockquote {
    border-left: 4px solid var(--primary-color);
    background: var(--primary-light);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    color: var(--text-color);
    border-radius: 4px;
    font-style: italic;
    transition: all 0.2s ease;
}

.wiki-content blockquote:hover {
    padding-left: 2rem;
    background: var(--primary-light);
}

.wiki-content blockquote p {
    margin-bottom: 0.5rem;
}

.wiki-content blockquote p:last-child {
    margin-bottom: 0;
}

.wiki-content hr {
    border: none;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--divider-color), transparent);
    margin: 3rem 0;
}

.wiki-content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
    font-weight: 500;
}

.wiki-content a:hover {
    border-bottom-color: var(--primary-color);
}

.wiki-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.9375rem;
}

.wiki-content table th {
    background: var(--surface-color);
    padding: 0.875rem 1rem;
    text-align: left;
    font-weight: 600;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.wiki-content table td {
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    transition: background 0.2s ease;
}

.wiki-content table tr:hover td {
    background: var(--surface-color);
}

.wiki-content strong {
    font-weight: 600;
    color: var(--text-color);
}

.wiki-content em {
    font-style: italic;
    color: var(--text-secondary);
}

/* Forms */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="number"],
input[type="search"],
textarea {
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.9375rem;
    font-family: inherit;
    background: var(--bg-color);
    transition: all 0.15s ease;
    font-weight: 400;
    color: var(--text-color);
    line-height: 1.5;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="number"],
input[type="search"] {
    min-height: 42px;
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="password"]:hover,
input[type="url"]:hover,
input[type="number"]:hover,
input[type="search"]:hover,
textarea:hover {
    border-color: var(--border-hover, #d1d5db);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="url"]:focus,
input[type="number"]:focus,
input[type="search"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--bg-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Forms */
select {
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.9375rem;
    font-family: inherit;
    background: var(--bg-color);
    transition: all 0.15s ease;
    font-weight: 400;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1em;
    padding-right: 2.5rem;
    color: var(--text-color);
    line-height: 1.5;
    min-height: 42px;
}

select:hover {
    border-color: var(--border-hover, #d1d5db);
}

select:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--bg-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.9375rem;
    font-family: inherit;
    background: var(--bg-color);
    transition: all 0.15s ease;
    font-weight: 400;
    color: var(--text-color);
    line-height: 1.5;
}

.form-group input,
.form-group select {
    min-height: 42px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1em;
    padding-right: 2.5rem;
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
    border-color: var(--border-hover, #d1d5db);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--bg-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Login Form */
.login-form {
    max-width: 420px;
    margin: 4rem auto;
    padding: 2.5rem;
    background: var(--surface-color);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.login-form h2 {
    margin-bottom: 1.75rem;
    text-align: center;
    font-weight: 700;
    font-size: 1.75rem;
    letter-spacing: -0.02em;
}

.hint {
    margin-top: 1rem;
    padding: 0.875rem 1rem;
    background: var(--primary-light);
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
    font-size: 0.875rem;
    color: var(--text-color);
}

/* Editor */
.editor-form {
    max-width: 100%;
}

.editor-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.tab-button {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--gray-text);
    transition: all 0.2s;
    margin-bottom: -2px;
}

.tab-button:hover {
    color: var(--text-color);
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 500;
}

.editor-container {
    margin-bottom: 2rem;
    min-height: 500px;
}

.editor-pane {
    display: none;
}

.editor-pane.active {
    display: block;
}

.editor-pane textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-family: monospace;
    font-size: 0.875rem;
    resize: vertical;
    min-height: 500px;
}

.wysiwyg-editor {
    min-height: 500px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background: white;
    overflow-y: auto;
    outline: none;
}

.wysiwyg-editor:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.wysiwyg-editor h1,
.wysiwyg-editor h2,
.wysiwyg-editor h3,
.wysiwyg-editor h4,
.wysiwyg-editor h5,
.wysiwyg-editor h6 {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.wysiwyg-editor h1 { font-size: 2rem; }
.wysiwyg-editor h2 { font-size: 1.5rem; }
.wysiwyg-editor h3 { font-size: 1.25rem; }

.wysiwyg-editor p {
    margin-bottom: 1rem;
}

.wysiwyg-editor ul,
.wysiwyg-editor ol {
    margin: 0.5rem 0;
    padding-left: 2rem;
}

.wysiwyg-editor img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1rem 0;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.wysiwyg-editor code {
    background: var(--surface-color);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', 'Droid Sans Mono', 'Source Code Pro', monospace;
    font-size: 0.875em;
    border: 1px solid var(--border-color);
    color: #d73a49;
    font-weight: 500;
}

.wysiwyg-editor pre {
    background: #f6f8fa;
    padding: 0.875rem 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 1rem 0;
    border: 1px solid var(--border-color);
}

.wysiwyg-editor pre code {
    background: none;
    padding: 0;
    border: none;
    color: #24292e;
    font-weight: 400;
    font-size: 0.875rem;
    line-height: 1.5;
    display: block;
    white-space: pre;
}

#preview {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background: var(--gray-bg);
    overflow-y: auto;
    min-height: 500px;
}

.editor-toolbar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    padding: 0.75rem;
    background: var(--gray-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    margin-bottom: 1rem;
    align-items: center;
}

.editor-toolbar button {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.editor-toolbar button:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.editor-toolbar button strong,
.editor-toolbar button em {
    font-size: 0.875rem;
}

.toolbar-hint {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--gray-text);
    font-style: italic;
}

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

.btn-upload:hover {
    background: var(--primary-hover);
}

.form-actions {
    display: flex;
    gap: 1rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-left: 3px solid;
}

.alert-error {
    background: #ffebe9;
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.alert-success {
    background: #e3fcef;
    color: var(--success-color);
    border-color: var(--success-color);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--surface-color);
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.empty-state p {
    margin: 1rem 0;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
    .editor-container {
        min-height: 400px;
    }

    .wysiwyg-editor,
    .editor-pane textarea,
    #preview {
        min-height: 400px;
    }

    .search-form input {
        min-width: 150px;
    }

    header .container {
        flex-direction: column;
        gap: 1rem;
    }

    nav {
        width: 100%;
        justify-content: center;
    }

    .toolbar-hint {
        display: none;
    }

    .editor-toolbar {
        padding: 0.5rem;
    }

    .tab-button {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
}