/* Notes: a notes-app layout inside the site's bordered wrapper.
   Fixed font sizes on purpose; the rest of the site scales with the viewport.
   Vollkorn for the site heading only; the system font everywhere else. */

:root {
  --notes-accent: #c7372f;
  --notes-accent-light: #f3d3d1; /* #c7372f at about 22% on white */
  --notes-selected: #e6e6e9;
  --notes-sidebar: #f2f2f4;
  --notes-sidebar-active: #dcdcdf;
  --notes-line: #e4e4e7;
  --notes-text: #1d1d1f;
  --notes-muted: #86868b;
  --font-display: "Vollkorn", Georgia, serif;
  --font-readable: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
  color: var(--notes-text);
  font-family: var(--font-readable);
  font-size: 13px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

.notes-heading {
  font-family: var(--font-display);
}

.notes-heading,
.note :is(h1, h2, h3, h4, h5, h6) {
  color: var(--notes-text);
  font-weight: 600;
}

.notes-wrapper {
  padding: 0;
}

/* The panes are white with rounded outer corners; the app behind them takes the
   sidebar's gray so the corners blend into the site border. */
.notes-app {
  --notes-radius: 10px;
  background: var(--notes-sidebar);
  display: grid;
  flex: 1;
  grid-template-columns: 200px 280px 1fr;
  min-height: 0;
  position: relative;
}

/* Desktop: the sidebar is open by default; the toggle can hide it. */
.notes-app--sidebar-closed {
  grid-template-columns: 280px 1fr;
}

.notes-app--sidebar-closed .notes-sidebar {
  display: none;
}

:where(.notes-app) ul {
  margin: 0;
  padding: 0;
}

/* Rows and groups hidden by the list filter in notes.js */
.notes-app [hidden] {
  display: none;
}

:where(.notes-app) li {
  display: block;
  margin: 0;
}

:where(.notes-app) p {
  margin: 0;
}

.folder-list a,
.folder-list a:visited,
.folder-list a:hover,
.note-row,
.note-row:visited,
.note-row:hover {
  color: inherit;
  text-decoration: none;
}

.notes-toolbar {
  align-items: center;
  display: flex;
  flex-shrink: 0;
  gap: 8px;
  height: 52px;
  padding: 0 14px;
}

.notes-icon {
  fill: none;
  flex-shrink: 0;
  height: 16px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 16px;
}

/* Sidebar */

.notes-sidebar {
  background: var(--notes-sidebar);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
}

.notes-heading .amp {
  color: var(--notes-accent);
}

/* The sidebar sits flush against the site border; only its right side is padded. */
/* Same box as the "← home" row at the top of the list (7px down, 26px tall), so
   the heading lines up with it. */
.notes-sidebar .notes-toolbar {
  align-items: flex-start;
  height: auto;
  padding: 7px 14px 12px 0;
}

.notes-heading {
  font-size: 22px;
  line-height: 26px;
  white-space: nowrap;
  margin: 0;
}

.folder-list {
  padding: 0 8px 0 0;
}

.folder-list a {
  align-items: center;
  border-radius: 6px;
  display: flex;
  gap: 8px;
  padding: 5px 10px;
}

.folder-list a[aria-current="true"] {
  background: var(--notes-sidebar-active);
}

.folder-list .notes-icon {
  color: var(--notes-accent);
}

.folder-list a.folder-missing {
  font-style: italic;
  text-decoration: underline dashed var(--notes-accent);
}

.folder-count {
  color: var(--notes-muted);
  margin-left: auto;
}

/* "← home" and the sidebar toggle sit at the top of the list, above search. */
.notes-list-top {
  align-items: center;
  display: flex;
  justify-content: space-between;
  padding: 7px 7px 0 12px;
}

.notes-list-home {
  line-height: 1;
}

.notes-sidebar-toggle {
  appearance: none;
  background: none;
  border: 0;
  border-radius: 6px;
  color: var(--notes-muted);
  cursor: pointer;
  display: flex;
  padding: 5px;
}

.notes-sidebar-toggle:hover {
  background: var(--notes-sidebar);
  color: var(--notes-text);
}

.notes-sidebar-toggle:focus {
  outline: none;
}

.notes-sidebar-toggle:focus-visible {
  box-shadow: 0 0 0 2px var(--notes-accent);
}

/* Note list */

.notes-list {
  background: #fff;
  border-bottom-left-radius: var(--notes-radius);
  border-right: 1px solid var(--notes-line);
  border-top-left-radius: var(--notes-radius);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

/* Subscribe (feed) and share, pinned to the note pane's top-right corner: no bar,
   and they stay put while the note scrolls. The white background keeps them
   readable over text passing under them. */
.notes-actions {
  display: flex;
  gap: 4px;
  position: absolute;
  right: 12px;
  top: 12px;
  z-index: 1;
}

.notes-share,
.notes-subscribe,
.notes-subscribe:visited {
  appearance: none;
  background: #fff;
  border: 0;
  border-radius: 6px;
  color: var(--notes-muted);
  cursor: pointer;
  display: flex;
  padding: 5px;
  position: relative;
}

.notes-subscribe .notes-icon circle {
  fill: currentColor;
}

.notes-subscribe:hover,
.notes-share:hover {
  background: var(--notes-sidebar);
  color: var(--notes-text);
}

.notes-share:focus,
.notes-subscribe:focus {
  outline: none;
}

.notes-share:focus-visible,
.notes-subscribe:focus-visible {
  box-shadow: 0 0 0 2px var(--notes-accent);
}

.notes-share[data-copied]::after {
  background: #fff;
  border-radius: 4px;
  color: var(--notes-muted);
  padding: 2px 6px;
  content: "Link copied";
  font-size: 11px;
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  white-space: nowrap;
}

.notes-search {
  padding: 12px 12px 8px;
}

.notes-search input {
  background: #ececee;
  border: 0;
  border-radius: 6px;
  color: var(--notes-text);
  font: inherit;
  padding: 4px 8px;
  width: 100%;
}

.notes-search input:focus {
  outline: 2px solid var(--notes-accent);
  outline-offset: 0;
}

.notes-scroll {
  overflow-y: auto;
  padding: 0 8px 12px;
}

/* Search: while there's a query, the results replace the list. */
.notes-results,
.notes-no-results,
.notes-app--searching .notes-scroll > :not(.notes-results, .notes-no-results) {
  display: none;
}

.notes-app--searching .notes-results,
.notes-app--searching .notes-no-results:not([hidden]) {
  display: block;
}

.notes-results {
  padding-top: 8px;
}

.note-row-excerpt {
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: var(--notes-muted);
  display: -webkit-box;
  overflow: hidden;
}

.note-row strong mark,
.note-row-excerpt mark {
  background: var(--notes-accent-light);
  border-radius: 2px;
  color: var(--notes-text);
}

.notes-empty {
  color: var(--notes-muted);
  padding: 12px 10px;
}

.list-group {
  font-size: 11px;
  font-weight: 700;
  padding: 12px 10px 4px;
}

.note-row {
  border-radius: 6px;
  display: block;
  padding: 8px 10px;
  position: relative;
}

.note-row::after {
  border-bottom: 1px solid var(--notes-line);
  bottom: 0;
  content: "";
  left: 10px;
  position: absolute;
  right: 10px;
}

.note-row[aria-current="true"] {
  background: var(--notes-selected);
}

.note-row[aria-current="true"]::after,
li:last-child > .note-row::after {
  display: none;
}

.note-row strong {
  display: block;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.note-row-meta {
  color: var(--notes-muted);
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.note-row[aria-current="true"] .note-row-meta {
  color: #555;
}

.note-row-meta time {
  color: var(--notes-text);
  margin-right: 6px;
}

/* Note body */

.notes-body {
  background: #fff;
  border-bottom-right-radius: var(--notes-radius);
  border-top-right-radius: var(--notes-radius);
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  position: relative;
}

/* The note pane's toolbar only holds the phone back link. */
.notes-body .notes-toolbar {
  display: none;
}

/* Matches "← home" at the top of the list. */
.notes-back {
  line-height: 1;
  margin-right: auto;
}

.notes-body-scroll {
  overflow-y: auto;
  padding: 20px 48px 48px;
}

.note {
  margin: 0 auto;
  max-width: 680px;
}

.note-date {
  color: var(--notes-muted);
  display: block;
  font-size: 12px;
  margin-bottom: 18px;
  text-align: center;
}

.note h1 {
  font-size: 34px;
  line-height: 1.15;
  margin: 0 0 12px;
}

.note h2 {
  font-size: 22px;
  margin: 28px 0 8px;
}

.note h3 {
  font-size: 18px;
  margin: 22px 0 6px;
}

.note h4 {
  font-size: 16px;
  margin: 18px 0 6px;
}

.note h5 {
  font-size: 15px;
  margin: 16px 0 4px;
}

.note h6 {
  color: var(--notes-muted);
  font-size: 12px;
  letter-spacing: 0.04em;
  margin: 16px 0 4px;
  text-transform: uppercase;
}

.note p,
.note li,
.note dt,
.note dd {
  font-size: 15px;
  line-height: 1.55;
}

.note p {
  margin-bottom: 12px;
}

.note del {
  color: var(--notes-muted);
}

.note abbr[title] {
  cursor: help;
  text-decoration: underline dotted;
}

/* Lists */

.note ul,
.note ol {
  margin-bottom: 12px;
  padding-left: 22px;
}

.note li ul,
.note li ol {
  margin-bottom: 0;
}

.note li {
  display: list-item;
}

.note ul > li {
  list-style: disc;
}

.note ul ul > li {
  list-style: circle;
}

.note ol > li {
  list-style: decimal;
}

.note ol ol > li {
  list-style: lower-alpha;
}

.note li::marker {
  color: var(--notes-muted);
}

.note .task-list {
  padding-left: 0;
}

.note .task-list-item {
  align-items: baseline;
  display: flex;
  gap: 8px;
  list-style: none;
}

.note .task-list-item:has(:checked) {
  color: var(--notes-muted);
}

.note .task-list-item-checkbox {
  appearance: none;
  border: 1.5px solid #c7c7cc;
  border-radius: 50%;
  flex-shrink: 0;
  height: 14px;
  margin: 0;
  position: relative;
  top: 2px;
  width: 14px;
}

.note .task-list-item-checkbox:checked {
  background: var(--notes-accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 12px no-repeat;
  border-color: var(--notes-accent);
}

.note dl {
  margin: 0 0 12px;
}

.note dt {
  font-weight: 600;
}

.note dd {
  margin: 0 0 6px 18px;
}

/* Quotes, rules, images */

.note blockquote {
  border-left: 3px solid var(--notes-sidebar-active);
  color: #555;
  margin: 0 0 12px;
  padding: 0 0 0 14px;
}

.note blockquote blockquote {
  margin-top: 4px;
}

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

.note hr {
  border: 0;
  border-top: 1px solid var(--notes-line);
  margin: 28px 0;
}

.note img {
  border-radius: 8px;
  height: auto;
  max-width: 100%;
}

/* Code */

.note code,
.note pre {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13px;
}

.note code {
  background: #f2f2f4;
  border-radius: 4px;
  padding: 1px 4px;
}

.note pre {
  background: #f6f6f8;
  border-radius: 8px;
  line-height: 1.5;
  margin: 0 0 12px;
  overflow-x: auto;
  padding: 12px 14px;
}

.note pre code {
  background: none;
  padding: 0;
}

/* Rouge syntax tokens */
.highlight .c,
.highlight .c1,
.highlight .cm { color: #8e8e93; font-style: italic; }
.highlight .k,
.highlight .kd,
.highlight .kn { color: var(--notes-accent); }
.highlight .s,
.highlight .s1,
.highlight .s2,
.highlight .si { color: #2f7a3a; }
.highlight .nf,
.highlight .nc { color: #2457a6; }
.highlight .nb { color: #8a4baf; }
.highlight .mi,
.highlight .mf { color: #a35b00; }
.highlight .o,
.highlight .p { color: #555; }

/* Tables */

.note table {
  border-collapse: collapse;
  display: block;
  font-size: 14px;
  margin: 0 0 12px;
  max-width: 100%;
  overflow-x: auto;
}

.note th,
.note td {
  border-bottom: 1px solid var(--notes-line);
  padding: 6px 12px;
}

.note th {
  border-bottom-color: #c7c7cc;
  font-weight: 600;
}

/* Media (see _includes/notes/) */

.note-figure {
  margin: 0 0 16px;
}

.note-figure video,
.note-figure iframe,
.note-youtube {
  border-radius: 8px;
  display: block;
  width: 100%;
}

/* Images keep their natural size, up to the note width. */
.note-figure > img {
  display: block;
  margin: 0 auto;
}

.note-video video,
.note-embed iframe,
.note-youtube {
  aspect-ratio: 16 / 9;
  background: #000;
  border: 0;
  height: auto;
}

.note-figure figcaption {
  color: var(--notes-muted);
  font-size: 13px;
  margin-top: 6px;
  text-align: center;
}

.note-youtube {
  overflow: hidden;
  position: relative;
}

.note-youtube img {
  border-radius: 0;
  display: block;
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.note-youtube-play {
  align-items: center;
  background: rgb(0 0 0 / 70%);
  border-radius: 12px;
  display: flex;
  height: 48px;
  justify-content: center;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: background 0.15s;
  width: 68px;
}

.note-youtube:hover .note-youtube-play,
.note-youtube:focus-visible .note-youtube-play {
  background: var(--notes-accent);
}

.note-youtube-play svg {
  fill: #fff;
  height: 24px;
  width: 24px;
}

.note-audio audio {
  display: block;
  width: 100%;
}

.note .note-card,
.note .note-card:visited,
.note .note-card:hover {
  align-items: center;
  background: #fafafa;
  border: 1px solid var(--notes-line);
  border-radius: 10px;
  color: var(--notes-text);
  display: flex;
  gap: 12px;
  margin: 0 0 12px;
  padding: 12px 14px;
  text-decoration: none;
}

.note .note-card:hover {
  background: var(--notes-sidebar);
}

.note-card-text {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.note-card-text strong {
  font-size: 15px;
  font-weight: 600;
}

.note-card-description {
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: var(--notes-muted);
  display: -webkit-box;
  font-size: 13px;
  overflow: hidden;
}

.note-card-host {
  color: var(--notes-muted);
  font-size: 12px;
}

.note .note-card-image {
  border-radius: 6px;
  flex-shrink: 0;
  height: 56px;
  object-fit: cover;
  width: 56px;
}

.visually-hidden {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

/* Footnotes */

.note sup {
  font-size: 11px;
  line-height: 0;
}

.note .footnotes {
  border-top: 1px solid var(--notes-line);
  color: var(--notes-muted);
  margin-top: 28px;
  padding-top: 12px;
}

.note .footnotes p,
.note .footnotes li {
  font-size: 13px;
}

/* Tablet: drop the sidebar */

@media (max-width: 999px) {
  .notes-app {
    grid-template-columns: 260px 1fr;
  }

  .notes-sidebar {
    display: none;
  }

  /* Smaller screens: the sidebar is hidden by default; the toggle slides it in
     as a drawer from the window's edge, over the site border and the list. */
  .notes-app--sidebar-open .notes-sidebar {
    bottom: 0;
    box-shadow: 8px 0 24px rgb(0 0 0 / 12%);
    display: flex;
    left: 0;
    padding: 16px 0 16px 16px;
    position: fixed;
    top: 0;
    width: 236px;
    z-index: 3;
  }

  .notes-body-scroll {
    padding: 20px 28px 40px;
  }
}

/* Phone: one pane at a time, like iOS */

@media (max-width: 699px) {
  .notes-app {
    grid-template-columns: 1fr;
  }

  /* Only one pane shows at a time, so round all its corners. */
  .notes-list,
  .notes-body {
    border-radius: var(--notes-radius);
  }

  .notes-body {
    display: none;
  }

  /* On a note's own page, phones show the note; on /notes/, the list. */
  .notes-app--note .notes-list {
    display: none;
  }

  .notes-app--note .notes-body {
    display: flex;
  }

  .notes-body .notes-toolbar {
    display: flex;
  }

  .notes-body-scroll {
    padding: 0 18px 32px;
  }
}