/* ========================================
   Dark Thoughts Documentation Theme
   Matches the app's dark design system
   ======================================== */

/* ---- Design Tokens ---- */
:root {
  --dt-bg-deep: #0D1117;
  --dt-bg-surface: #161B22;
  --dt-bg-hover: #1C2128;
  --dt-bg-active: #21262D;
  --dt-text-primary: #E6EDF3;
  --dt-text-secondary: #8B949E;
  --dt-text-tertiary: #6E7681;
  --dt-text-disabled: #484F58;
  --dt-accent: #1A6FE8;
  --dt-accent-hover: #3D85EB;
  --dt-accent-light: #5B7CFF;
  --dt-destructive: #C02C38;
  --dt-border-subtle: #21262D;
  --dt-border-default: #30363D;
  --dt-radius-sm: 4px;
  --dt-radius-md: 6px;
  --dt-radius-lg: 8px;
  --dt-font-body: 'Inder', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --dt-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --dt-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --dt-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --dt-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.4);
}

/* ---- Base / Body ---- */
body {
  background-color: var(--dt-bg-deep) !important;
  color: var(--dt-text-primary) !important;
  font-family: var(--dt-font-body) !important;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Sidebar ---- */
.sidebar {
  background-color: var(--dt-bg-surface) !important;
  border-right: 1px solid var(--dt-border-subtle) !important;
  color: var(--dt-text-primary) !important;
}

.sidebar > h1 {
  color: var(--dt-text-primary) !important;
  font-family: var(--dt-font-body) !important;
  font-size: 1.25rem !important;
  font-weight: 600 !important;
  margin: 0 !important;
  padding: 16px 20px !important;
  border-bottom: 1px solid var(--dt-border-subtle);
}

.sidebar > h1 a {
  color: var(--dt-text-primary) !important;
  text-decoration: none !important;
}

.sidebar-nav {
  padding: 12px 0 !important;
}

.sidebar-nav li {
  margin: 0 !important;
}

.sidebar-nav li > p {
  color: var(--dt-text-secondary) !important;
  font-size: 0.75rem !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  padding: 16px 20px 4px !important;
  margin: 0 !important;
}

.sidebar-nav li > p strong {
  color: var(--dt-text-secondary) !important;
  font-weight: 600 !important;
}

.sidebar-nav a {
  color: var(--dt-text-primary) !important;
  font-size: 0.875rem !important;
  padding: 4px 20px !important;
  display: block !important;
  text-decoration: none !important;
  transition: background-color 150ms, color 150ms !important;
  border-radius: 0 !important;
}

.sidebar-nav a:hover {
  background-color: var(--dt-bg-hover) !important;
  color: var(--dt-accent) !important;
}

.sidebar-nav li.active > a {
  color: var(--dt-accent) !important;
  background-color: var(--dt-bg-active) !important;
  font-weight: 500 !important;
  border-right: 2px solid var(--dt-accent) !important;
}

.sidebar-nav ul {
  padding-left: 0 !important;
}

.sidebar-nav ul ul {
  padding-left: 12px !important;
}

.sidebar-toggle {
  background-color: var(--dt-bg-surface) !important;
}

.sidebar-toggle span {
  background-color: var(--dt-text-secondary) !important;
}

/* ---- App Name in sidebar ---- */
.app-name-link {
  color: var(--dt-text-primary) !important;
}

/* ---- Content Area ---- */
.content {
  background-color: var(--dt-bg-deep) !important;
}

.markdown-section {
  color: var(--dt-text-primary) !important;
  max-width: 800px !important;
}

/* ---- Typography ---- */
.markdown-section h1 {
  color: var(--dt-text-primary) !important;
  font-size: 2rem !important;
  font-weight: 600 !important;
  margin: 2rem 0 1rem !important;
  padding-bottom: 0.5rem !important;
  border-bottom: 1px solid var(--dt-border-subtle) !important;
}

.markdown-section h2 {
  color: var(--dt-text-primary) !important;
  font-size: 1.5rem !important;
  font-weight: 600 !important;
  margin: 1.75rem 0 0.75rem !important;
  padding-bottom: 0.25rem !important;
  border-bottom: 1px solid var(--dt-border-subtle) !important;
}

.markdown-section h3 {
  color: var(--dt-text-primary) !important;
  font-size: 1.25rem !important;
  font-weight: 600 !important;
  margin: 1.5rem 0 0.5rem !important;
}

.markdown-section h4 {
  color: var(--dt-text-primary) !important;
  font-size: 1.125rem !important;
  font-weight: 600 !important;
  margin: 1.25rem 0 0.5rem !important;
}

.markdown-section h5,
.markdown-section h6 {
  color: var(--dt-text-secondary) !important;
  font-size: 1rem !important;
  font-weight: 600 !important;
  margin: 1rem 0 0.5rem !important;
}

.markdown-section p {
  margin: 0.75rem 0 !important;
  line-height: 1.7 !important;
}

.markdown-section strong {
  color: var(--dt-text-primary) !important;
  font-weight: 700 !important;
}

.markdown-section em {
  color: var(--dt-text-primary) !important;
}

/* ---- Links ---- */
.markdown-section a {
  color: var(--dt-accent) !important;
  text-decoration: none !important;
  transition: color 150ms !important;
}

.markdown-section a:hover {
  color: var(--dt-accent-hover) !important;
  text-decoration: underline !important;
}

/* ---- Lists ---- */
.markdown-section ul,
.markdown-section ol {
  padding-left: 1.5rem !important;
  margin: 0.5rem 0 !important;
}

.markdown-section li {
  margin: 0.25rem 0 !important;
  line-height: 1.6 !important;
}

/* ---- Inline Code ---- */
.markdown-section code {
  background-color: var(--dt-bg-active) !important;
  color: var(--dt-text-primary) !important;
  padding: 2px 6px !important;
  border-radius: var(--dt-radius-sm) !important;
  font-family: var(--dt-font-mono) !important;
  font-size: 0.875em !important;
}

/* ---- Code Blocks ---- */
.markdown-section pre {
  background-color: var(--dt-bg-surface) !important;
  border: 1px solid var(--dt-border-default) !important;
  border-radius: var(--dt-radius-lg) !important;
  padding: 16px !important;
  margin: 1rem 0 !important;
  overflow-x: auto !important;
  box-shadow: var(--dt-shadow-sm) !important;
}

.markdown-section pre > code {
  background-color: transparent !important;
  color: var(--dt-text-primary) !important;
  padding: 0 !important;
  border-radius: 0 !important;
  font-family: var(--dt-font-mono) !important;
  font-size: 0.875rem !important;
  line-height: 1.5 !important;
}

/* ---- Prism Syntax Highlighting ---- */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: var(--dt-text-tertiary) !important;
}

.token.punctuation {
  color: var(--dt-text-secondary) !important;
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol {
  color: #79C0FF !important;
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin {
  color: #A5D6FF !important;
}

.token.operator,
.token.entity,
.token.url {
  color: #FFA657 !important;
}

.token.atrule,
.token.attr-value,
.token.keyword {
  color: #FF7B72 !important;
}

.token.function,
.token.class-name {
  color: #D2A8FF !important;
}

.token.regex,
.token.important,
.token.variable {
  color: #FFA657 !important;
}

/* ---- Tables ---- */
.markdown-section table {
  width: 100% !important;
  border-collapse: collapse !important;
  margin: 1rem 0 !important;
  border: 1px solid var(--dt-border-default) !important;
  border-radius: var(--dt-radius-lg) !important;
  overflow: hidden !important;
}

.markdown-section thead {
  background-color: var(--dt-bg-active) !important;
}

.markdown-section th {
  color: var(--dt-text-secondary) !important;
  font-weight: 600 !important;
  font-size: 0.75rem !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  padding: 10px 16px !important;
  text-align: left !important;
  border-bottom: 1px solid var(--dt-border-default) !important;
}

.markdown-section td {
  padding: 8px 16px !important;
  border-bottom: 1px solid var(--dt-border-subtle) !important;
  font-size: 0.875rem !important;
}

/* Override base theme zebra striping */
.markdown-section tr:nth-child(2n) {
  background-color: transparent !important;
}

.markdown-section tr:hover td {
  background-color: var(--dt-bg-hover) !important;
}

.markdown-section tr:last-child td {
  border-bottom: none !important;
}

/* ---- Blockquotes ---- */
.markdown-section blockquote {
  border-left: 3px solid var(--dt-accent) !important;
  background-color: var(--dt-bg-surface) !important;
  color: var(--dt-text-secondary) !important;
  padding: 12px 20px !important;
  margin: 1rem 0 !important;
  border-radius: 0 var(--dt-radius-md) var(--dt-radius-md) 0 !important;
}

.markdown-section blockquote p {
  margin: 0.25rem 0 !important;
}

/* Tip callouts (> **Tip:** ...) */
.markdown-section blockquote p:first-child strong:first-child {
  color: var(--dt-accent) !important;
}

/* ---- Horizontal Rules ---- */
.markdown-section hr {
  border: none !important;
  border-top: 1px solid var(--dt-border-subtle) !important;
  margin: 2rem 0 !important;
}

/* ---- Images ---- */
.markdown-section img {
  border-radius: var(--dt-radius-lg) !important;
  border: 1px solid var(--dt-border-default) !important;
  max-width: 100% !important;
}

/* ---- Cover Page ---- */
section.cover {
  background: var(--dt-bg-deep) !important;
  color: var(--dt-text-primary) !important;
  min-height: 100vh !important;
  padding-bottom: 80px !important;
}

section.cover .cover-main {
  max-width: 900px !important;
  margin: 0 auto !important;
  text-align: center !important;
}

section.cover h1 {
  color: var(--dt-text-primary) !important;
  font-size: 3.25rem !important;
  font-weight: 700 !important;
  margin-bottom: 0 !important;
  letter-spacing: -0.02em !important;
}

section.cover blockquote {
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

section.cover blockquote p {
  color: var(--dt-accent) !important;
  font-size: 1.35rem !important;
  font-weight: 400 !important;
  margin-top: 4px !important;
}

/* Tagline paragraph */
section.cover .cover-main > p {
  color: var(--dt-text-secondary) !important;
  font-size: 1.05rem !important;
  max-width: 640px !important;
  margin: 1rem auto !important;
  line-height: 1.6 !important;
}

/* CTA buttons container */
section.cover .cover-main > p:last-of-type a {
  border-radius: var(--dt-radius-lg) !important;
  padding: 12px 32px !important;
  font-size: 0.9rem !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  transition: all 200ms !important;
  display: inline-block !important;
  margin: 4px !important;
}

section.cover .cover-main > p:last-of-type a:first-child {
  background-color: var(--dt-accent) !important;
  color: #fff !important;
  border: 1px solid var(--dt-accent) !important;
}

section.cover .cover-main > p:last-of-type a:first-child:hover {
  background-color: var(--dt-accent-hover) !important;
  border-color: var(--dt-accent-hover) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(26, 111, 232, 0.3) !important;
}

section.cover .cover-main > p:last-of-type a:last-child {
  background-color: transparent !important;
  color: var(--dt-text-primary) !important;
  border: 1px solid var(--dt-border-default) !important;
}

section.cover .cover-main > p:last-of-type a:last-child:hover {
  background-color: var(--dt-bg-hover) !important;
  border-color: var(--dt-text-tertiary) !important;
  transform: translateY(-1px) !important;
}

/* ---- Cover Feature Cards Grid ---- */
.cover-features {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 20px !important;
  max-width: 900px !important;
  margin: 48px auto 0 !important;
  padding: 0 16px !important;
  text-align: left !important;
}

.cover-feature {
  background-color: var(--dt-bg-surface) !important;
  border: 1px solid var(--dt-border-subtle) !important;
  border-radius: var(--dt-radius-lg) !important;
  padding: 24px !important;
  transition: all 200ms ease !important;
}

.cover-feature:hover {
  border-color: var(--dt-border-default) !important;
  transform: translateY(-2px) !important;
  box-shadow: var(--dt-shadow-md) !important;
}

.cover-feature-icon {
  font-size: 1.5rem !important;
  margin-bottom: 12px !important;
  color: var(--dt-accent) !important;
  width: 40px !important;
  height: 40px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: rgba(26, 111, 232, 0.1) !important;
  border-radius: var(--dt-radius-md) !important;
}

.cover-feature h3 {
  color: var(--dt-text-primary) !important;
  font-size: 1rem !important;
  font-weight: 600 !important;
  margin: 0 0 8px 0 !important;
}

.cover-feature p {
  color: var(--dt-text-secondary) !important;
  font-size: 0.85rem !important;
  line-height: 1.5 !important;
  margin: 0 !important;
}

/* Responsive cover features */
@media screen and (max-width: 768px) {
  .cover-features {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    margin-top: 32px !important;
  }
}

/* ---- Search Plugin ---- */
.search {
  border-bottom: 1px solid var(--dt-border-subtle) !important;
}

.search .input-wrap {
  display: flex !important;
  align-items: center !important;
}

.search input {
  background-color: var(--dt-bg-deep) !important;
  color: var(--dt-text-primary) !important;
  border: 1px solid var(--dt-border-default) !important;
  border-radius: var(--dt-radius-md) !important;
  padding: 8px 12px !important;
  font-family: var(--dt-font-body) !important;
  font-size: 0.875rem !important;
  outline: none !important;
  width: 100% !important;
  margin: 12px 16px !important;
}

.search input:focus {
  border-color: var(--dt-accent) !important;
  box-shadow: 0 0 0 2px rgba(26, 111, 232, 0.15) !important;
}

.search input::placeholder {
  color: var(--dt-text-disabled) !important;
}

.search .results-panel {
  background-color: var(--dt-bg-surface) !important;
  border: none !important;
}

.search .matching-post {
  border-bottom: 1px solid var(--dt-border-subtle) !important;
}

.search .matching-post a {
  color: var(--dt-accent) !important;
}

.search .matching-post p {
  color: var(--dt-text-secondary) !important;
  font-size: 0.8125rem !important;
}

.search a:hover {
  color: var(--dt-accent-hover) !important;
}

/* Search highlight */
.search .search-keyword {
  color: var(--dt-accent) !important;
  font-weight: 700 !important;
}

/* ---- Pagination Plugin ---- */
.docsify-pagination-container {
  border-top: 1px solid var(--dt-border-subtle) !important;
  margin-top: 3rem !important;
  padding-top: 1.5rem !important;
}

.pagination-item {
  opacity: 1 !important;
}

.pagination-item a {
  color: var(--dt-text-primary) !important;
  text-decoration: none !important;
  border: 1px solid var(--dt-border-default) !important;
  border-radius: var(--dt-radius-lg) !important;
  padding: 12px 16px !important;
  transition: all 150ms !important;
}

.pagination-item a:hover {
  background-color: var(--dt-bg-hover) !important;
  border-color: var(--dt-text-tertiary) !important;
}

.pagination-item-label {
  color: var(--dt-text-tertiary) !important;
  font-size: 0.75rem !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
}

.pagination-item-title {
  color: var(--dt-accent) !important;
  font-weight: 500 !important;
}

/* ---- Copy Code Button ---- */
.docsify-copy-code-button {
  background-color: var(--dt-bg-active) !important;
  color: var(--dt-text-secondary) !important;
  border: 1px solid var(--dt-border-default) !important;
  border-radius: var(--dt-radius-sm) !important;
  font-family: var(--dt-font-body) !important;
  font-size: 0.75rem !important;
  padding: 2px 8px !important;
  transition: all 150ms !important;
}

.docsify-copy-code-button:hover {
  background-color: var(--dt-bg-hover) !important;
  color: var(--dt-text-primary) !important;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
  background-color: var(--dt-text-disabled);
}

/* ---- Keyboard Shortcuts (kbd elements) ---- */
.markdown-section kbd {
  background-color: var(--dt-bg-active);
  border: 1px solid var(--dt-border-default);
  border-radius: var(--dt-radius-sm);
  box-shadow: 0 1px 0 var(--dt-border-default);
  color: var(--dt-text-primary);
  font-family: var(--dt-font-mono);
  font-size: 0.8em;
  padding: 2px 6px;
  white-space: nowrap;
}

/* ---- Responsive ---- */
@media screen and (max-width: 768px) {
  .markdown-section {
    padding: 16px !important;
  }

  .markdown-section h1 {
    font-size: 1.75rem !important;
  }

  .markdown-section h2 {
    font-size: 1.25rem !important;
  }

  .sidebar {
    background-color: var(--dt-bg-surface) !important;
  }

  section.cover h1 {
    font-size: 2.25rem !important;
  }

  section.cover blockquote p {
    font-size: 1.1rem !important;
  }
}

/* ---- Alert/Callout styles ---- */
.markdown-section .tip {
  background-color: rgba(26, 111, 232, 0.08) !important;
  border-left: 3px solid var(--dt-accent) !important;
  border-radius: 0 var(--dt-radius-md) var(--dt-radius-md) 0 !important;
  padding: 12px 20px !important;
}

.markdown-section .warn {
  background-color: rgba(192, 44, 56, 0.08) !important;
  border-left: 3px solid var(--dt-destructive) !important;
  border-radius: 0 var(--dt-radius-md) var(--dt-radius-md) 0 !important;
  padding: 12px 20px !important;
}