:root {
  --bg-page: #f6f6f6;
  --bg-content: #ffffff;
  --bg-sidebar: #f6f6f6;
  --border-color: #a7d7f9;
  --border-light: #ccc;
  --text-primary: #000000;
  --text-secondary: #54595d;
  --text-meta: #72777d;
  --link-color: #3366cc;
  --link-visited: #0645ad;
  --link-hover: #447ff5;
  --sidebar-width: 160px;
  --content-max-width: 800px;
  --tag-bg: #f0f0f0;
  --tag-border: #ddd;
  --code-bg: #f8f9fa;
  --code-border: #eaecf0;
  --search-hover: #f0f0f0;
  --btn-bg: #f8f9fa;
  --btn-hover: #f0f0f0;
}

.dark-mode {
  --bg-page: #1a1a1e;
  --bg-content: #202024;
  --bg-sidebar: #16161a;
  --border-color: #3a3a4a;
  --border-light: #333;
  --text-primary: #e4e4e7;
  --text-secondary: #a1a1aa;
  --text-meta: #71717a;
  --link-color: #8ab4f8;
  --link-visited: #c58af9;
  --link-hover: #a8c7fa;
  --tag-bg: #2a2a30;
  --tag-border: #3a3a42;
  --code-bg: #16161a;
  --code-border: #333;
  --search-hover: #2a2a30;
  --btn-bg: #2a2a30;
  --btn-hover: #333;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: "JetBrains Mono", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, monospace;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.6;
}

a {
  color: var(--link-color);
  text-decoration: none;
}

a:visited {
  color: var(--link-visited);
}

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

a:visited:hover {
  color: #0b0080;
}

.wiki-container {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  min-height: 100vh;
}

.wiki-sidebar {
  position: relative;
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-sidebar);
  padding: 24px 12px 12px;
  border-right: 1px solid var(--border-light);
}

.wiki-sidebar .logo {
  font-family: "JetBrains Mono", "Linux Libertine", Georgia, monospace;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
  text-align: center;
}

.wiki-sidebar .logo a {
  color: var(--text-primary);
  text-decoration: none;
}

.wiki-sidebar .logo a:hover {
  text-decoration: underline;
}

.wiki-sidebar .tagline {
  font-size: 10px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 20px;
}

.wiki-sidebar nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.wiki-sidebar nav li {
  margin-bottom: 2px;
}

.wiki-sidebar nav a {
  display: block;
  padding: 4px 8px;
  font-size: 12px;
  color: var(--link-color);
  border-radius: 2px;
}

.wiki-sidebar nav a:hover {
  background: rgba(51, 102, 204, 0.06);
  text-decoration: none;
}

.wiki-sidebar hr {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: 12px 0;
}

.wiki-sidebar .sidebar-section {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  padding: 4px 8px;
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

.wiki-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-content);
  padding: 24px 32px 32px;
  min-width: 0;
}

.wiki-top-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}

.wiki-top-bar .search-form {
  flex: 1;
  display: flex;
  max-width: 500px;
}

.wiki-top-bar .search-form input {
  flex: 1;
  border: 1px solid var(--border-light);
  border-right: none;
  padding: 6px 10px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  background: var(--bg-content);
}

.wiki-top-bar .search-form input:focus {
  border-color: var(--border-color);
}

.wiki-top-bar .search-form button {
  background: var(--bg-content);
  border: 1px solid var(--border-light);
  border-left: none;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  font-family: inherit;
}

.wiki-top-bar .search-form button:hover {
  background: var(--search-hover);
  font-size: 12px;
  white-space: nowrap;
}

.wiki-top-bar .user-links a {
  margin-left: 8px;
}

.bento-content {
  flex: 1;
  max-width: var(--content-max-width);
}

.bento-content h1 {
  font-family: "JetBrains Mono", "Linux Libertine", Georgia, monospace;
  font-size: 28px;
  font-weight: 600;
  margin: 0 0 4px;
  padding: 0;
  line-height: 1.2;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 6px;
}

.bento-content h2 {
  font-family: "JetBrains Mono", "Linux Libertine", Georgia, monospace;
  font-size: 21px;
  font-weight: 600;
  margin: 24px 0 8px;
  padding: 0;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 4px;
}

.bento-content h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 20px 0 4px;
}

.bento-content h4 {
  font-size: 14px;
  font-weight: 700;
  margin: 16px 0 4px;
}

.article-meta {
  font-size: 12px;
  color: var(--text-meta);
  margin-bottom: 16px;
}

.article-meta .tag {
  display: inline-block;
  background: var(--tag-bg);
  color: var(--text-secondary);
  padding: 1px 8px;
  border-radius: 2px;
  font-size: 11px;
  margin-right: 4px;
  border: 1px solid var(--tag-border);
}

.article-meta a.tag:hover {
  background: var(--btn-hover);
  text-decoration: none;
}

.delete-btn {
  background: none;
  border: none;
  color: var(--text-meta);
  font-size: 11px;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
  opacity: 0.5;
  transition: opacity 0.15s;
}

.delete-btn:hover {
  opacity: 1;
  color: #d33;
}

.subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.article-body {
  line-height: 1.7;
  font-size: 14px;
  font-family: "JetBrains Mono", Georgia, "Times New Roman", monospace;
  color: var(--text-primary);
}

.article-body p {
  margin: 0 0 10px;
}

.article-body a {
  color: var(--link-color);
}

.article-body a:visited {
  color: var(--link-visited);
}

.article-body code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 13px;
  border: 1px solid var(--code-border);
  font-family: "Consolas", "Courier New", monospace;
}

.code-block-wrapper {
  position: relative;
}

.article-body pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 2px;
  padding: 16px;
  overflow-x: auto;
}

.article-body pre code {
  background: none;
  padding: 0;
  border: none;
}

.copy-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  background: var(--bg-content);
  border: 1px solid var(--border-light);
  border-radius: 3px;
  padding: 3px 10px;
  font-size: 11px;
  font-family: "JetBrains Mono", monospace;
  cursor: pointer;
  color: var(--text-secondary);
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 1;
  line-height: 1.5;
}

.code-block-wrapper:hover .copy-btn {
  opacity: 1;
}

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

.copy-btn.copied {
  background: #d4edda;
  border-color: #c3e6cb;
  color: #155724;
}

.code-inline-wrapper {
  position: relative;
  display: inline;
}

.code-inline-wrapper .copy-btn {
  position: absolute;
  top: -8px;
  right: -8px;
  padding: 1px 6px;
  font-size: 9px;
  line-height: 1.4;
  transform: translate(100%, -100%);
  white-space: nowrap;
}

.code-inline-wrapper:hover .copy-btn {
  opacity: 1;
}

.article-body img {
  max-width: 100%;
}

.article-body ul, .article-body ol {
  margin: 4px 0 12px;
  padding-left: 28px;
}

.article-body li {
  margin-bottom: 4px;
}

.article-body blockquote {
  border-left: 4px solid #c8ccd1;
  padding-left: 16px;
  margin: 8px 0;
  color: var(--text-secondary);
}

.article-body hr {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: 16px 0;
}

.search-results {
  margin-top: 12px;
}

.search-result-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--code-border);
}

.search-result-item:first-child {
  padding-top: 0;
}

.search-result-item a {
  font-weight: 400;
  font-size: 16px;
  color: var(--link-color);
}

.search-result-item a:visited {
  color: var(--link-visited);
}

.search-result-item .tags {
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-meta);
}

.search-result-item .tags .tag {
  display: inline-block;
  background: var(--tag-bg);
  color: var(--text-secondary);
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 11px;
  margin-right: 2px;
  border: 1px solid var(--tag-border);
}

.search-result-item .tags a.tag:hover {
  background: var(--btn-hover);
  text-decoration: none;
}

.empty-state {
  text-align: center;
  padding: 48px 16px;
  color: var(--text-secondary);
}

.page-info {
  font-size: 12px;
  color: var(--text-meta);
  margin-bottom: 20px;
}

.create-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 500px;
}

.create-form input,
.create-form textarea {
  border: 1px solid var(--border-light);
  border-radius: 2px;
  padding: 8px 10px;
  font-size: 14px;
  outline: none;
  font-family: inherit;
  background: var(--bg-content);
  color: var(--text-primary);
}

.create-form textarea {
  min-height: 200px;
  resize: vertical;
}

.create-form input:focus,
.create-form textarea:focus {
  border-color: var(--border-color);
}

.create-form button {
  background: var(--btn-bg);
  border: 1px solid var(--border-light);
  border-radius: 2px;
  padding: 8px 16px;
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
}

.create-form button:hover {
  background: var(--btn-hover);
}

.error-msg {
  color: var(--text-meta);
  font-size: 13px;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  border-radius: 2px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1;
}

.sidebar-toggle:hover {
  background: #f0f0f0;
}

.sidebar-overlay {
  display: none;
}

@media (max-width: 1024px) {
  .wiki-main {
    padding: 20px 20px 24px;
  }

  .bento-content h1 {
    font-size: 24px;
  }

  .bento-content h2 {
    font-size: 18px;
  }
}

.sidebar-close {
  display: none;
  position: absolute;
  top: 8px;
  right: 12px;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 0;
  line-height: 1;
  font-family: inherit;
}

.sidebar-close:hover {
  color: var(--text-primary);
}

@media (max-width: 768px) {
  body {
    font-size: 13px;
  }

  .wiki-container {
    flex-direction: column;
  }

  .sidebar-toggle {
    display: inline-block;
  }

  .sidebar-close {
    display: block;
  }

  .wiki-sidebar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    min-width: unset;
    z-index: 1000;
    padding: 20px 16px;
    overflow-y: auto;
    border-right: 1px solid var(--border-light);
    box-shadow: 2px 0 12px rgba(0,0,0,0.1);
  }

  .wiki-sidebar.open {
    display: block;
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(0,0,0,0.4);
  }

  .sidebar-overlay.open {
    display: block;
  }

  .wiki-main {
    padding: 16px 16px 20px;
  }

  .wiki-top-bar {
    gap: 8px;
    flex-wrap: wrap;
  }

  .wiki-top-bar .search-form {
    max-width: 100%;
    flex: 1 1 100%;
    order: 2;
  }

  .wiki-top-bar .search-form input {
    font-size: 14px;
    padding: 8px 10px;
  }

  .wiki-top-bar .search-form button {
    padding: 8px 14px;
  }

  .wiki-top-bar .user-links {
    order: 1;
    margin-left: auto;
    font-size: 13px;
  }

  .bento-content h1 {
    font-size: 22px;
  }

  .bento-content h2 {
    font-size: 17px;
  }

  .article-body {
    font-size: 13px;
  }

  .article-body pre {
    padding: 12px;
    font-size: 12px;
  }

  .create-form {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .wiki-main {
    padding: 12px 12px 16px;
  }

  .bento-content h1 {
    font-size: 20px;
  }

  .bento-content h2 {
    font-size: 16px;
  }

  .wiki-sidebar {
    width: 260px;
  }

  .search-result-item a {
    font-size: 15px;
  }
}