/* karpwiki — Notebook UI (editorial, warm-paper, two-surface) */

/* ── Theme tokens ────────────────────────────────────────────────────────── */
:root {
  --bg:           #F5F0E6;
  --bg-elev:      #FBF7EE;
  --bg-recess:    #EDE7DA;
  --bg-deep:      #E4DCC9;
  --rule:         #E0D6BF;
  --rule-soft:    rgba(31, 26, 20, 0.08);
  --ink:          #1F1A14;
  --ink-soft:     #4A4036;
  --ink-dim:      #7A6E5E;
  --ink-faint:    #A89B86;
  --accent:       oklch(0.55 0.13 50);
  --accent-soft:  oklch(0.55 0.13 50 / 0.12);
  --accent-ring:  oklch(0.55 0.13 50 / 0.28);
  --selection:    oklch(0.55 0.13 50 / 0.18);

  --tag-bg:       rgba(31, 26, 20, 0.055);
  --tag-bg-hover: rgba(31, 26, 20, 0.10);
  --tag-ink:      #5A4F40;

  --danger:       oklch(0.50 0.16 30);

  --font-serif:   "Newsreader", "Source Serif Pro", Georgia, serif;
  --font-sans:    "Geist", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono:    "Geist Mono", ui-monospace, "SF Mono", monospace;

  --rail-width:   288px;
  --reading-w:    680px;
  --content-w:    640px;

  --t-fast:       120ms;
  --t-med:        180ms;
  --t-slow:       260ms;
  --ease:         cubic-bezier(0.22, 0.61, 0.36, 1);

  --icon-identity:    #7c5cff;
  --icon-goals:       #e0457b;
  --icon-strategies:  #4263eb;
  --icon-preferences: #d97706;
  --icon-people:      #10a37f;
  --icon-brand:       #d946ef;
  --icon-work:        #0891b2;
}

:root[data-theme="dark"] {
  --bg:           #1A1612;
  --bg-elev:      #221D17;
  --bg-recess:    #14110E;
  --bg-deep:      #0E0C0A;
  --rule:         #2C261F;
  --rule-soft:    rgba(232, 224, 210, 0.10);
  --ink:          #E8E0D2;
  --ink-soft:     #C9BFAE;
  --ink-dim:      #8A7E6E;
  --ink-faint:    #5C5447;
  --accent:       oklch(0.72 0.13 50);
  --accent-soft:  oklch(0.72 0.13 50 / 0.16);
  --accent-ring:  oklch(0.72 0.13 50 / 0.38);
  --selection:    oklch(0.72 0.13 50 / 0.20);

  --tag-bg:       rgba(232, 224, 210, 0.07);
  --tag-bg-hover: rgba(232, 224, 210, 0.13);
  --tag-ink:      #B5AB99;
}

/* ── Base ────────────────────────────────────────────────────────────────── */
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body { min-height: 100vh; }
::selection { background: var(--selection); color: var(--ink); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }

button { font: inherit; cursor: pointer; }
input, button, select, textarea { font-family: inherit; }

img { max-width: 100%; height: auto; }

/* ── App shell ───────────────────────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100vh;
  background: var(--bg);
}

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
  position: relative;
  z-index: 20;
}
.brand {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.01em;
  font-variation-settings: "opsz" 36;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 9px;
  margin-right: 8px;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  position: relative;
  display: inline-block;
  flex-shrink: 0;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--bg);
}

.surface-switch {
  display: inline-flex;
  background: var(--bg-recess);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}
.surface-switch a {
  border: 0;
  background: transparent;
  color: var(--ink-dim);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 6px 16px;
  border-radius: 999px;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.surface-switch a:hover { color: var(--ink); text-decoration: none; }
.surface-switch a[data-active="true"] {
  background: var(--bg);
  color: var(--ink);
  box-shadow: 0 1px 0 var(--rule-soft), 0 1px 2px rgba(0,0,0,0.04);
}

.topbar-spacer { flex: 1; }

.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-recess);
  border: 1px solid var(--rule);
  color: var(--ink-dim);
  padding: 7px 12px 7px 14px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  min-width: 260px;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.search-trigger:hover { color: var(--ink); background: var(--bg-elev); }
.search-trigger .kbd {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--ink-faint);
}

.icon-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--ink-dim);
  width: 34px; height: 34px;
  border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
  flex-shrink: 0;
}
.icon-btn:hover { color: var(--ink); background: var(--bg-recess); }

/* ── Main scroll area ───────────────────────────────────────────────────── */
.main { overflow: hidden; position: relative; }
.surface { position: absolute; inset: 0; display: grid; }

/* ── Pages surface ──────────────────────────────────────────────────────── */
.pages-surface { grid-template-columns: var(--rail-width) 1fr; }

.tree-rail {
  overflow-y: auto;
  border-right: 1px solid var(--rule);
  background: var(--bg);
  padding: 22px 8px 32px 16px;
}
.tree-scrim { display: none; }
.rail-head {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 0 8px 14px;
  font-weight: 500;
}

.tree-node { position: relative; font-family: var(--font-sans); }
.tree-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
  position: relative;
}
.tree-row:hover { background: var(--bg-recess); color: var(--ink); text-decoration: none; }
.tree-row[data-current="true"] { background: var(--accent-soft); color: var(--ink); }
.tree-row[data-current="true"] .tree-label { font-weight: 500; }
.tree-row[data-current="true"]::before {
  content: ""; position: absolute;
  left: -16px; top: 6px; bottom: 6px;
  width: 2px; background: var(--accent); border-radius: 2px;
}
.tree-caret {
  width: 14px; height: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ink-faint);
  flex-shrink: 0;
  transition: transform var(--t-med) var(--ease);
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.tree-caret[data-open="true"] { transform: rotate(90deg); }
.tree-caret.leaf { opacity: 0; pointer-events: none; }
.tree-icon {
  width: 14px; height: 14px;
  flex-shrink: 0;
  color: var(--ink-faint);
}
.tree-icon--identity    { color: var(--icon-identity); }
.tree-icon--goals       { color: var(--icon-goals); }
.tree-icon--strategies  { color: var(--icon-strategies); }
.tree-icon--preferences { color: var(--icon-preferences); }
.tree-icon--people      { color: var(--icon-people); }
.tree-icon--brand       { color: var(--icon-brand); }
.tree-icon--work        { color: var(--icon-work); }
.tree-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 400;
}
.tree-children { padding-left: 16px; overflow: hidden; }
.tree-children[hidden] { display: none; }

/* Page detail */
.page-detail { overflow-y: auto; padding: 36px 56px 80px; }
.page-detail-inner { max-width: var(--reading-w); margin: 0 auto; }
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
  margin-bottom: 32px;
  letter-spacing: 0.01em;
  word-break: break-all;
}
.breadcrumbs a {
  color: var(--ink-dim);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}
.breadcrumbs a:hover { color: var(--ink); text-decoration: none; }
.breadcrumbs .sep { color: var(--ink-faint); padding: 0 6px; }
.breadcrumbs .here { color: var(--ink-soft); }

.page-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 60;
  margin: 0 0 18px;
  color: var(--ink);
  text-wrap: balance;
}
.page-tagline {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--ink-dim);
  letter-spacing: 0.02em;
  margin-bottom: 18px;
  text-transform: none;
}
.page-summary {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 20px;
  line-height: 1.4;
  color: var(--ink-soft);
  margin: 0 0 36px;
  font-weight: 350;
  text-wrap: pretty;
}
.page-rule {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 0 0 36px;
  width: 64px;
}

.page-body {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
}
.page-body > * { max-width: 100%; }
.page-body p { margin: 0 0 1.2em; text-wrap: pretty; }
.page-body p:last-child { margin-bottom: 0; }
.page-body em { font-style: italic; }
.page-body strong { font-weight: 600; }
.page-body h1, .page-body h2, .page-body h3, .page-body h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 1.6em 0 0.5em;
}
.page-body h2 { font-size: 26px; }
.page-body h3 { font-size: 21px; }
.page-body h4 { font-size: 18px; }
.page-body ul, .page-body ol { padding-left: 1.4em; margin: 0 0 1.2em; }
.page-body li { margin: 0.2em 0; }
.page-body blockquote {
  border-left: 2px solid var(--rule);
  margin: 1.2em 0;
  padding: 0 0 0 18px;
  color: var(--ink-soft);
  font-style: italic;
}
.page-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-recess);
  padding: 1px 6px;
  border-radius: 4px;
}
.page-body pre {
  background: var(--bg-recess);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 14px;
}
.page-body pre code { background: transparent; padding: 0; font-size: inherit; }
.page-body a.wlink, .page-body a.elink {
  color: var(--accent);
  border-bottom: 1px solid var(--accent-soft);
}
.page-body a.wlink:hover, .page-body a.elink:hover {
  text-decoration: none;
  border-bottom-color: var(--accent);
}
.page-body table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.2em 0;
  font-size: 16px;
}
.page-body th, .page-body td {
  border-bottom: 1px solid var(--rule);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
.page-body th { font-weight: 600; }
.page-body hr { border: 0; border-top: 1px solid var(--rule); margin: 2em 0; }

.page-meta {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.subpages { margin-top: 64px; }
.subpages-head {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 500;
}
.subpages-sort {
  display: inline-flex;
  gap: 2px;
  font-family: var(--font-sans);
  font-size: 11px;
  text-transform: none;
  letter-spacing: 0;
}
.subpages-sort a {
  background: transparent;
  border: 0;
  color: var(--ink-faint);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 400;
  text-decoration: none;
}
.subpages-sort a:hover { color: var(--ink); text-decoration: none; }
.subpages-sort a[data-active="true"] { color: var(--ink); }
.subpages-list { display: flex; flex-direction: column; }
.subpage-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: padding-left var(--t-med) var(--ease);
}
.subpage-row:last-child { border-bottom: 1px solid var(--rule); }
.subpage-row:hover { padding-left: 8px; text-decoration: none; }
.subpage-title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.subpage-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-dim);
  margin: 0;
  font-weight: 350;
}
.subpage-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.page-stub {
  margin: 48px 0;
  padding: 48px 32px;
  border: 1px dashed var(--rule);
  border-radius: 12px;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 17px;
  color: var(--ink-dim);
  text-wrap: balance;
}

/* ── Thoughts surface ───────────────────────────────────────────────────── */
.thought-surface { grid-template-columns: var(--rail-width) 1fr; }
.thought-scroll { overflow-y: auto; padding: 36px 24px 80px; }
.thought-inner { max-width: var(--content-w); margin: 0 auto; }

.tag-list { display: flex; flex-direction: column; gap: 1px; }
.tag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--ink-soft);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.tag-row:hover { background: var(--bg-recess); color: var(--ink); text-decoration: none; }
.tag-row[data-active="true"] { background: var(--accent-soft); color: var(--ink); }
.tag-row[data-active="true"] .tag-row-name { font-weight: 500; }
.tag-row-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tag-row-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  min-width: 22px;
  text-align: right;
  flex-shrink: 0;
}
.tag-empty {
  padding: 6px 8px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-faint);
}

.thought-head { margin-bottom: 24px; }
.thought-head h1 {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.015em;
  margin: 0 0 6px;
  font-variation-settings: "opsz" 36;
  color: var(--ink);
}
.thought-head p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 16px;
  color: var(--ink-dim);
  margin: 0;
}

.filter-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 0 18px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin: 24px 0 8px;
  font-family: var(--font-sans);
  font-size: 13px;
}
.filter-strip input[type="text"], .filter-strip input[type="search"] {
  flex: 1;
  min-width: 180px;
  background: var(--bg-recess);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 6px 10px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 13px;
  outline: none;
  transition: border var(--t-fast) var(--ease);
}
.filter-strip input[type="text"]:focus,
.filter-strip input[type="search"]:focus {
  border-color: var(--accent-ring);
}
.filter-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.filter-clear {
  background: transparent;
  border: 0;
  color: var(--ink-faint);
  font-size: 12px;
  padding: 4px 6px;
  border-radius: 4px;
  text-decoration: none;
}
.filter-clear:hover { color: var(--ink); text-decoration: none; }

.thought-card { padding: 24px 0 26px; border-bottom: 1px solid var(--rule); }
.thought-card:last-child { border-bottom: 0; }
.thought-meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  flex-wrap: wrap;
}
.thought-time { color: var(--ink-dim); white-space: nowrap; }
.thought-tags { display: inline-flex; flex-wrap: wrap; gap: 4px; }
.tag-chip {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0;
  background: var(--tag-bg);
  color: var(--tag-ink);
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
  border: 0;
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
  text-transform: none;
}
.tag-chip:hover { background: var(--tag-bg-hover); color: var(--ink); text-decoration: none; }
.tag-chip[data-active="true"] { background: var(--accent-soft); color: var(--accent); }

.thought-body {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
.thought-card.is-expanded .thought-body {
  display: block;
  -webkit-line-clamp: unset;
  overflow: visible;
}
.thought-body > * { max-width: 100%; }
.thought-body p { margin: 0 0 0.9em; text-wrap: pretty; }
.thought-body p:last-child { margin-bottom: 0; }
.thought-body em { font-style: italic; }
.thought-body strong { font-weight: 600; }
.thought-body ul, .thought-body ol { padding-left: 1.4em; margin: 0 0 0.9em; }
.thought-body a { color: var(--accent); border-bottom: 1px solid var(--accent-soft); }
.thought-body a:hover { text-decoration: none; border-bottom-color: var(--accent); }
.thought-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-recess);
  padding: 1px 6px;
  border-radius: 4px;
}

.thought-expand {
  background: transparent;
  border: 0;
  padding: 8px 0 0;
  margin: 0;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--accent);
  cursor: pointer;
  letter-spacing: 0.02em;
}
.thought-expand:hover { text-decoration: underline; }

.thought-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-dim);
  letter-spacing: 0.02em;
}
.thought-pagination a {
  color: var(--ink-dim);
  text-decoration: none;
  padding: 4px 6px;
  border-radius: 4px;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.thought-pagination a:hover { color: var(--ink); background: var(--bg-recess); text-decoration: none; }
.thought-pagination .is-disabled { color: var(--ink-faint); padding: 4px 6px; }
.thought-pagination .pagination-status { color: var(--ink-soft); }

.thought-empty {
  padding: 80px 0;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-dim);
}

/* ── Search palette ─────────────────────────────────────────────────────── */
.palette-overlay {
  position: fixed; inset: 0;
  background: rgba(15, 12, 10, 0.36);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
  animation: fadeIn 120ms var(--ease);
}
.palette-overlay[hidden] { display: none; }
:root[data-theme="dark"] .palette-overlay { background: rgba(0,0,0,0.55); }
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.palette {
  width: min(640px, calc(100vw - 32px));
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  border-radius: 12px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.18), 0 4px 12px rgba(0,0,0,0.08);
  overflow: hidden;
  animation: paletteIn 140ms var(--ease);
}
@keyframes paletteIn {
  from { opacity: 0; transform: translateY(-6px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.palette-input {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--rule);
}
.palette-input svg { color: var(--ink-faint); flex-shrink: 0; }
.palette-input input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: 0;
  font-family: var(--font-serif);
  font-size: 19px;
  color: var(--ink);
  font-weight: 400;
}
.palette-input input::placeholder { color: var(--ink-faint); }
.palette-input .kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-recess);
  border: 1px solid var(--rule);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--ink-faint);
}
.palette-results {
  max-height: 56vh;
  overflow-y: auto;
  padding: 6px 0 8px;
}
.palette-group-head {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 12px 18px 6px;
  font-weight: 500;
}
.palette-result {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: baseline;
  padding: 10px 18px;
  cursor: pointer;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: background var(--t-fast) var(--ease);
}
.palette-result:hover,
.palette-result[data-selected="true"] {
  background: var(--bg-recess);
  border-left-color: var(--accent);
  text-decoration: none;
}
.palette-result-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 2px;
  letter-spacing: -0.005em;
}
.palette-result-snippet {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--ink-dim);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-wrap: pretty;
}
.palette-result-snippet mark, .palette-result-title mark {
  background: var(--accent-soft);
  color: var(--ink);
  padding: 0 2px;
  border-radius: 2px;
}
.palette-result-path {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.palette-empty {
  padding: 28px 18px 32px;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-dim);
  font-size: 15px;
  text-align: center;
}
.palette-recent-head {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 12px 18px 6px;
}
.palette-recent {
  padding: 8px 18px 16px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--ink-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.palette-recent button {
  background: var(--bg-recess);
  border: 1px solid var(--rule);
  padding: 4px 10px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--ink-dim);
  transition: color var(--t-fast) var(--ease);
  font-family: var(--font-sans);
  font-size: 13px;
}
.palette-recent button:hover { color: var(--ink); }

.palette-foot {
  border-top: 1px solid var(--rule);
  padding: 8px 18px;
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--ink-faint);
  display: flex;
  gap: 16px;
  letter-spacing: 0.01em;
}
.palette-foot .kbd {
  font-family: var(--font-mono);
  background: var(--bg-recess);
  border: 1px solid var(--rule);
  padding: 0 5px;
  border-radius: 3px;
  margin-right: 4px;
  color: var(--ink-dim);
}

/* ── Login surface ──────────────────────────────────────────────────────── */
.login-surface {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  overflow-y: auto;
}
.login-card {
  max-width: 460px;
  width: 100%;
  padding: 8px 0 40px;
}
.login-card h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 40px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 60;
  margin: 0 0 14px;
  color: var(--ink);
  text-wrap: balance;
}
.login-card h1 em { font-style: italic; }
.login-card .dek {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink-soft);
  margin: 0 0 32px;
  font-weight: 350;
  text-wrap: pretty;
}
.login-steps { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.login-step {
  padding: 22px 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: baseline;
}
.login-step:first-child { border-top: 0; }
.login-step .n {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}
.login-step strong {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 18px;
  color: var(--ink);
  display: block;
  margin-bottom: 4px;
}
.login-step .copy {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--ink-soft);
  margin: 0 0 14px;
  line-height: 1.5;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn-ink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 9px 16px;
  border-radius: 6px;
  border: 0;
  text-decoration: none;
  transition: opacity var(--t-fast) var(--ease);
  cursor: pointer;
}
.btn-ink:hover { opacity: 0.88; text-decoration: none; }

.btn-quiet {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-recess);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  padding: 9px 16px;
  border-radius: 6px;
  border: 1px solid var(--rule);
  text-decoration: none;
  transition: background var(--t-fast) var(--ease);
  cursor: pointer;
}
.btn-quiet:hover { background: var(--bg-elev); text-decoration: none; }

/* ── Settings surface ───────────────────────────────────────────────────── */
.settings-surface {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  padding: 36px 24px 80px;
  display: block;
}
.settings-inner { max-width: var(--reading-w); margin: 0 auto; }
.settings-status {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
  margin: 0 0 32px;
}
.settings-status strong { font-weight: 500; color: var(--ink-soft); }
.settings-section { margin-top: 40px; }
.settings-section h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
  color: var(--ink);
}
.settings-section p.note {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--ink-soft);
  margin: 0 0 18px;
  line-height: 1.5;
  text-wrap: pretty;
}
.url-card {
  background: var(--bg-recess);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 16px 18px;
}
.url-card .lead {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 8px;
  font-weight: 500;
}
.url-card .url { display: flex; align-items: center; gap: 10px; }
.url-card .url-text {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: 8px 10px;
  border-radius: 6px;
  word-break: break-all;
  line-height: 1.4;
}
.url-card .copy {
  background: var(--ink);
  color: var(--bg);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  border: 0;
  padding: 7px 14px;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
}
.url-card .copy:hover { opacity: 0.88; }
.url-card .footnote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--ink-dim);
  margin: 12px 0 0;
  line-height: 1.45;
}
.token-list { display: flex; flex-direction: column; }
.token-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
  border-top: 1px solid var(--rule);
}
.token-row:last-child { border-bottom: 1px solid var(--rule); }
.token-row .name {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  display: block;
  margin-bottom: 2px;
}
.token-row .meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}
.token-row .meta .revoked { color: var(--ink-dim); }
.token-row.is-revoked .name { color: var(--ink-dim); text-decoration: line-through; }
.token-row .revoke {
  font-family: var(--font-sans);
  font-size: 12px;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink-dim);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.token-row .revoke:hover {
  color: var(--danger);
  border-color: color-mix(in oklab, var(--danger), transparent 60%);
}

.danger-zone { margin-top: 16px; }
.danger-zone .row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
  border-top: 1px solid var(--rule);
}
.danger-zone .row:last-child { border-bottom: 1px solid var(--rule); }
.danger-zone .what {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--ink);
}
.danger-zone .what em {
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-dim);
  margin-top: 2px;
}

/* ── Search results page (JS-off fallback) ──────────────────────────────── */
.search-results { margin-top: 8px; }
.search-row {
  padding: 16px 0;
  border-top: 1px solid var(--rule);
}
.search-row:last-child { border-bottom: 1px solid var(--rule); }
.search-row .title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 500;
  margin: 0 0 4px;
}
.search-row .path {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
  margin: 0 0 6px;
}
.search-row .snippet {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-dim);
  margin: 0;
}
.search-row .snippet mark {
  background: var(--accent-soft);
  color: var(--ink);
  padding: 0 2px;
  border-radius: 2px;
  font-style: normal;
}

/* ── Scrollbars ─────────────────────────────────────────────────────────── */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 999px; border: 2px solid var(--bg); }
*::-webkit-scrollbar-track { background: transparent; }

/* ── Mobile ─────────────────────────────────────────────────────────────── */
@media (max-width: 880px) {
  .topbar { padding: 12px 14px; gap: 10px; }
  .search-trigger { min-width: 0; padding: 6px 10px; }
  .search-trigger .label { display: none; }
  .search-trigger .kbd { display: none; }
  .brand { font-size: 15px; }

  .pages-surface,
  .thought-surface { grid-template-columns: 1fr; }
  .tree-rail {
    position: absolute;
    top: 0; left: 0; bottom: 0;
    width: 280px;
    z-index: 30;
    transform: translateX(-100%);
    transition: transform var(--t-slow) var(--ease);
    background: var(--bg);
    box-shadow: 4px 0 20px rgba(0,0,0,0.08);
  }
  .tree-rail[data-open="true"] { transform: translateX(0); }
  .tree-scrim {
    display: block;
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.32);
    z-index: 29;
    opacity: 0; pointer-events: none;
    transition: opacity var(--t-med) var(--ease);
  }
  .tree-scrim[data-open="true"] { opacity: 1; pointer-events: auto; }

  .page-detail { padding: 24px 22px 60px; }
  .page-title { font-size: 32px; }
  .page-summary { font-size: 17px; }
  .thought-scroll { padding: 24px 18px 60px; }
  .settings-surface { padding: 24px 18px 60px; }
}
@media (min-width: 881px) {
  .menu-toggle { display: none; }
}
@media (max-width: 600px) {
  .surface-switch a { padding: 6px 12px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}