:root {
  color-scheme: light;
  --bg: #f4efe7;
  --bg-top: #f7f2eb;
  --bg-radial-a: rgba(184, 92, 56, 0.18);
  --bg-radial-b: rgba(96, 126, 118, 0.18);
  --panel: rgba(255, 251, 245, 0.9);
  --surface: #fffdf9;
  --surface-soft: #fff8f3;
  --surface-code: #f8f5ef;
  --surface-alert: #fffaf5;
  --input-bg: #fffdf9;
  --line: rgba(88, 62, 30, 0.16);
  --text: #2d2418;
  --muted: #75624a;
  --accent: #b85c38;
  --accent-soft: #f1ccb6;
  --accent-fg: #8b472d;
  --accent-contrast: #fff;
  --chip-border: rgba(184, 92, 56, 0.2);
  --card-hover-border: rgba(184, 92, 56, 0.32);
  --card-active-border: rgba(184, 92, 56, 0.55);
  --card-active-ring: rgba(184, 92, 56, 0.2);
  --shadow: 0 20px 50px rgba(89, 57, 19, 0.12);
  --card-shadow: 0 10px 24px rgba(89, 57, 19, 0.05);
  --card-shadow-hover: 0 14px 30px rgba(89, 57, 19, 0.1);
  --inline-code-bg: rgba(126, 96, 54, 0.08);
  --link: #9a3412;
  --link-muted: #9ca3af;
  --scrim: rgba(45, 36, 24, 0.18);
  --code-keyword: #9a3412;
  --code-string: #0f766e;
  --code-comment: #6b7280;
  --code-number: #7c3aed;
  --shell-gap: 20px;
  --sidebar-width: 320px;
  --topbar-gap: 20px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f141a;
  --bg-top: #151d26;
  --bg-radial-a: rgba(255, 155, 113, 0.16);
  --bg-radial-b: rgba(102, 169, 173, 0.14);
  --panel: rgba(22, 29, 38, 0.88);
  --surface: #18212b;
  --surface-soft: #202b36;
  --surface-code: #111821;
  --surface-alert: #1b2430;
  --input-bg: #111821;
  --line: rgba(173, 186, 199, 0.16);
  --text: #e6edf3;
  --muted: #9fb0c3;
  --accent: #ff9b71;
  --accent-soft: rgba(255, 155, 113, 0.18);
  --accent-fg: #ffcfbd;
  --accent-contrast: #081018;
  --chip-border: rgba(255, 155, 113, 0.28);
  --card-hover-border: rgba(255, 155, 113, 0.36);
  --card-active-border: rgba(255, 155, 113, 0.64);
  --card-active-ring: rgba(255, 155, 113, 0.28);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.34);
  --card-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
  --card-shadow-hover: 0 14px 30px rgba(0, 0, 0, 0.28);
  --inline-code-bg: rgba(173, 186, 199, 0.12);
  --link: #ffb48d;
  --link-muted: #7d8da1;
  --scrim: rgba(5, 8, 12, 0.52);
  --code-keyword: #ffb48d;
  --code-string: #7ce0d0;
  --code-comment: #8fa0b3;
  --code-number: #c5a3ff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Iowan Old Style", "Hiragino Mincho ProN", serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, var(--bg-radial-a), transparent 26%),
    radial-gradient(circle at bottom right, var(--bg-radial-b), transparent 24%),
    linear-gradient(180deg, var(--bg-top), var(--bg));
}

button,
input,
a {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  inset: var(--shell-gap) auto var(--shell-gap) var(--shell-gap);
  width: var(--sidebar-width);
  z-index: 30;
  will-change: transform;
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.sidebar-stack {
  display: grid;
  gap: 18px;
  max-height: calc(100vh - var(--shell-gap) * 2);
  overflow-y: auto;
  padding-right: 4px;
}

.main-shell {
  min-height: 100vh;
  padding: var(--shell-gap);
  padding-left: calc(var(--sidebar-width) + var(--shell-gap) * 2);
  transition: padding-left 180ms ease;
}

body.sidebar-collapsed .sidebar {
  transform: translateX(calc(-100% - var(--shell-gap)));
  opacity: 0;
  pointer-events: none;
}

body.sidebar-collapsed .main-shell {
  padding-left: var(--shell-gap);
}

.sidebar-scrim {
  display: none;
}

.topbar,
.page-main,
.sidebar-stack {
  width: 100%;
}

.topbar {
  position: sticky;
  top: var(--shell-gap);
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: var(--topbar-gap);
}

.topbar-start,
.topbar-end {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-end {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.page-title,
.section-title {
  margin: 0;
}

.topbar-meta {
  margin: 0;
  white-space: nowrap;
}

.page-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-link,
.sidebar-toggle,
.theme-toggle {
  border: 1px solid var(--chip-border);
  border-radius: 999px;
  padding: 10px 14px;
  background: var(--surface-soft);
  color: var(--accent-fg);
}

.page-link.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}

.sidebar-toggle,
.theme-toggle {
  cursor: pointer;
}

.theme-toggle[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}

.mini-link {
  padding: 6px 10px;
  font-size: 0.84rem;
}

.page-main {
  display: grid;
  gap: 20px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 20px;
  background: var(--panel);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.detail-panel {
  min-height: calc(100vh - 128px);
  min-height: calc(100dvh - 128px);
}

.dashboard-panel {
  display: grid;
  gap: 22px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
}

.eyebrow,
.ui-label,
.muted,
.detail-date,
.detail-path,
.card-meta,
.card-source {
  color: var(--muted);
}

.eyebrow,
.ui-label {
  margin: 0 0 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.lede {
  margin: 0;
  line-height: 1.6;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

#search {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--input-bg);
  color: var(--text);
}

#search::placeholder {
  color: var(--muted);
}

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.label-row button {
  border: 0;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
}

.chips,
.entry-labels,
.active-filters,
.toc-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.toc-list {
  flex-direction: column;
  align-items: stretch;
}

.chip,
.entry-labels span,
.filter-pill {
  border-radius: 999px;
  padding: 6px 10px;
  border: 1px solid var(--chip-border);
  background: var(--surface-soft);
  color: var(--accent-fg);
}

.chip {
  cursor: pointer;
}

.chip.active {
  background: var(--accent);
  color: var(--accent-contrast);
}

.toc-link {
  border: 0;
  border-radius: 14px;
  padding: 10px 12px;
  background: var(--surface-soft);
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.toc-link.level-3 {
  padding-left: 24px;
}

.toc-link.level-4 {
  padding-left: 36px;
}

.toc-link.active {
  background: var(--accent-soft);
  color: var(--accent-fg);
}

.salvage-list {
  display: grid;
  gap: 10px;
}

.detail {
  height: 100%;
}

.detail.empty,
.empty {
  color: var(--muted);
}

.detail-header {
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.detail-body {
  line-height: 1.75;
  color: var(--text);
}

.entries-grid,
.findings-grid,
.slides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.entry-card,
.finding-card,
.slide-card,
.salvage-entry {
  display: grid;
  gap: 10px;
  text-align: left;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: var(--surface);
  box-shadow: var(--card-shadow);
  transition:
    transform 150ms ease,
    border-color 150ms ease,
    box-shadow 150ms ease;
}

.entry-card {
  align-content: start;
  min-height: 220px;
  gap: 14px;
}

.slide-card {
  align-content: start;
  min-height: 240px;
  gap: 14px;
}

.entries-grid-scrapbox {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  align-items: stretch;
}

.entry-card-date {
  font-size: 0.85rem;
  line-height: 1.2;
  color: var(--accent-fg);
  letter-spacing: 0.04em;
}

.entry-card-head,
.entry-card-main {
  display: grid;
  gap: 10px;
}

.entry-card-head {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.entry-card-count,
.entry-card-path {
  color: var(--muted);
  font-size: 0.84rem;
}

.entry-card:hover,
.finding-card:hover,
.slide-card:hover,
.salvage-entry:hover {
  transform: translateY(-2px);
  border-color: var(--card-hover-border);
  box-shadow: var(--card-shadow-hover);
}

.entry-card.active,
.finding-card.active,
.slide-card.active,
.salvage-entry.active {
  border-color: var(--card-active-border);
  box-shadow: inset 0 0 0 1px var(--card-active-ring);
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
}

.entry-title,
.card-title {
  margin: 0;
  font-size: 1.06rem;
}

.entry-card .card-title {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.slide-card .card-title {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.card-preview,
.salvage-preview {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.entry-card .card-preview {
  display: -webkit-box;
  overflow: hidden;
  min-height: 4.6em;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.slide-card .card-preview {
  display: -webkit-box;
  overflow: hidden;
  min-height: 5.2em;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.entry-card .entry-labels {
  align-self: start;
}

.entry-card .entry-card-path,
.slide-card .entry-card-path {
  display: block;
  margin-top: auto;
  word-break: break-all;
}

.card-source,
.salvage-source {
  margin: 0;
  font-size: 0.84rem;
}

.markdown-body {
  background: transparent;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6,
.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body pre,
.markdown-body table,
.markdown-body blockquote {
  margin-bottom: 16px;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  scroll-margin-top: 104px;
}

.markdown-body pre {
  background: var(--surface-code);
  border-radius: 14px;
  padding: 16px;
  overflow-x: auto;
}

.markdown-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 20px 0;
  border-radius: 16px;
}

.markdown-body code {
  background: var(--inline-code-bg);
}

.markdown-body pre code {
  background: transparent;
  padding: 0;
  font-family: "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  font-size: 0.92rem;
}

.code-block .tok-keyword {
  color: var(--code-keyword);
  font-weight: 600;
}

.code-block .tok-string {
  color: var(--code-string);
}

.code-block .tok-comment {
  color: var(--code-comment);
  font-style: italic;
}

.code-block .tok-number {
  color: var(--code-number);
}

.markdown-body .katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 8px 0;
}

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

.markdown-body a.missing-entry-link {
  color: var(--link-muted);
  text-decoration-style: dashed;
}

.mermaid-block {
  margin: 20px 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  overflow-x: auto;
}

.mermaid-error {
  margin: 20px 0;
  padding: 16px;
  border-radius: 16px;
  background: var(--surface-code);
}

.markdown-alert {
  border-left: 4px solid var(--line);
  padding: 12px 16px;
  border-radius: 0 14px 14px 0;
  background: var(--surface-alert);
}

.markdown-alert-title {
  margin-bottom: 8px;
  font-weight: 700;
}

.markdown-alert-note {
  border-left-color: #1f6feb;
}

.markdown-alert-tip {
  border-left-color: #1a7f37;
}

.markdown-alert-important {
  border-left-color: #8250df;
}

.markdown-alert-warning {
  border-left-color: #bf8700;
}

.markdown-alert-caution {
  border-left-color: #d1242f;
}

.slide-panel {
  overflow: hidden;
}

.slide-deck {
  height: calc(100vh - 180px);
  min-height: 560px;
}

.slide-deck.empty {
  display: grid;
  place-items: center;
}

.slide-deck .reveal {
  height: 100%;
  color: var(--text);
  font-family: "Iowan Old Style", "Hiragino Mincho ProN", serif;
}

.slide-deck .reveal .slides {
  text-align: left;
}

.slide-deck .reveal .controls {
  color: var(--accent);
}

.slide-markdown {
  height: 100%;
  padding: 24px;
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: inset 0 0 0 1px var(--line);
  overflow-y: auto;
}

.slide-markdown > :first-child {
  margin-top: 0;
}

.slide-markdown h1,
.slide-markdown h2,
.slide-markdown h3 {
  color: var(--accent-fg);
}

@media (max-width: 960px) {
  :root {
    --shell-gap: 14px;
    --topbar-gap: 16px;
  }

  .sidebar {
    inset: 10px auto 10px 10px;
    width: min(88vw, 360px);
    max-width: calc(100vw - 20px);
    max-height: calc(100dvh - 20px);
  }

  .sidebar-stack {
    max-height: calc(100dvh - 20px);
    padding-right: 0;
  }

  .main-shell,
  body.sidebar-collapsed .main-shell {
    padding-left: var(--shell-gap);
  }

  .sidebar-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 25;
    border: 0;
    background: var(--scrim);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
  }

  body:not(.sidebar-collapsed) .sidebar-scrim {
    opacity: 1;
    pointer-events: auto;
  }

  .topbar,
  .topbar-start,
  .topbar-end,
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar {
    position: static;
    gap: 12px;
    padding: 12px 14px;
  }

  .topbar-start,
  .topbar-end {
    width: 100%;
  }

  .topbar-start {
    gap: 8px;
  }

  .page-links {
    width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: thin;
    gap: 6px;
  }

  .page-link,
  .sidebar-toggle,
  .theme-toggle {
    white-space: nowrap;
    padding: 8px 12px;
    font-size: 0.92rem;
  }

  .topbar-end > .page-links,
  .topbar-end > .theme-toggle,
  .topbar-end > .topbar-meta {
    width: 100%;
  }

  .theme-toggle {
    justify-content: center;
    text-align: center;
  }

  .topbar-meta {
    white-space: normal;
    font-size: 0.84rem;
  }

  .panel {
    border-radius: 20px;
    padding: 16px;
  }

  .topbar .eyebrow {
    margin-bottom: 4px;
    font-size: 0.72rem;
  }

  .topbar .page-title {
    font-size: 1.2rem;
    line-height: 1.2;
  }

  .detail-panel {
    min-height: auto;
  }

  .detail-header {
    padding-bottom: 14px;
    margin-bottom: 14px;
  }

  .markdown-body h1,
  .markdown-body h2,
  .markdown-body h3,
  .markdown-body h4,
  .markdown-body h5,
  .markdown-body h6 {
    scroll-margin-top: 24px;
  }

  .slide-deck {
    height: calc(100dvh - 220px);
    min-height: 420px;
  }

  .slide-markdown {
    padding: 18px;
  }
}

@media (max-width: 640px) {
  :root {
    --shell-gap: 12px;
    --topbar-gap: 14px;
  }

  body {
    font-size: 15px;
  }

  .sidebar {
    width: calc(100vw - 24px);
    max-width: none;
  }

  .topbar {
    gap: 10px;
    padding: 10px 12px;
  }

  .topbar-start,
  .topbar-end {
    gap: 8px;
  }

  .page-link,
  .sidebar-toggle,
  .theme-toggle {
    padding: 7px 10px;
    font-size: 0.88rem;
  }

  .topbar .page-title {
    font-size: 1.05rem;
  }

  .topbar .eyebrow,
  .topbar-meta {
    font-size: 0.76rem;
  }

  .entry-card,
  .finding-card,
  .slide-card,
  .salvage-entry {
    border-radius: 16px;
    padding: 14px;
  }

  .entry-card-head {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .card-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .label-row {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .toc-link.level-3 {
    padding-left: 18px;
  }

  .toc-link.level-4 {
    padding-left: 26px;
  }

  .slide-deck {
    height: calc(100dvh - 200px);
    min-height: 360px;
  }

  .slide-markdown {
    padding: 14px;
  }
}