/* The commonplace book. Quotes carry teal, principles carry saffron, here and on the home spread. */
.commonplace-page {
  --night: #1f1b16;
  --night-raised: #2a251e;
  --moon: #f3ecdf;
  --moon-soft: #b9ae9c;
  --moon-faint: #7d7364;
  --quote-mark: var(--teal);
  --principle-mark: var(--saffron);
  --quote-mark-night: #8fb5a9;
  --principle-mark-night: var(--saffron-active);
}

/* Reading room: one line at a time, on a dark ground that is kind to a screen left on. */
.cp-stage {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: calc(90svh - var(--header-height));
  padding: 20px var(--page-pad) 0;
  background: radial-gradient(120% 90% at 50% 40%, var(--night-raised), var(--night) 70%);
  color: var(--moon);
  overflow: hidden;
}
.cp-stage:fullscreen { min-height: 100vh; padding-top: 28px; }
.cp-stage-top, .cp-bar { transition: opacity .6s ease; }
.cp-stage-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.cp-stage-top h1 { margin: 0; font: 500 13px/1.4 var(--sans); letter-spacing: .02em; color: var(--moon-soft); }
.cp-filter { display: inline-flex; padding: 3px; border: 1px solid rgba(243, 236, 223, .14); border-radius: 999px; }
.cp-filter button {
  min-height: 34px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--moon-faint);
  font: 500 12px var(--sans);
  cursor: pointer;
}
.cp-filter button:hover { color: var(--moon); }
.cp-filter button[aria-pressed="true"] { background: rgba(243, 236, 223, .1); color: var(--moon); }

.cp-frame {
  align-self: center;
  justify-self: center;
  width: min(100%, 980px);
  margin: 0;
  padding: 48px 0;
  text-align: center;
  transform: translate(var(--dx, 0), var(--dy, 0));
  transition: opacity 1.2s ease, transform 1.2s ease;
}
.cp-frame.is-leaving { opacity: 0; }
.cp-kind { margin: 0 0 26px; font: 500 11px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; }
.cp-frame[data-kind="quote"] .cp-kind { color: var(--quote-mark-night); }
.cp-frame[data-kind="principle"] .cp-kind { color: var(--principle-mark-night); }
#cp-text {
  margin: 0 auto;
  max-width: 19em;
  font: 300 clamp(28px, 4vw, 58px)/1.22 var(--display);
  letter-spacing: -.02em;
  text-wrap: balance;
  overflow-wrap: anywhere;
}
.cp-frame[data-kind="quote"] #cp-text::before { content: '“'; }
.cp-frame[data-kind="quote"] #cp-text::after { content: '”'; }
#cp-source { margin-top: 30px; font: 400 13px/1.6 var(--sans); color: var(--moon-soft); }
#cp-source a { color: inherit; text-underline-offset: 4px; text-decoration-color: rgba(214, 163, 67, .5); }
#cp-source .entry-work { display: block; font-size: 12px; font-style: italic; color: var(--moon-faint); }

.cp-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; padding: 12px 0 20px; }
.cp-count { font: 400 12px var(--sans); color: var(--moon-faint); font-variant-numeric: tabular-nums; }
.cp-hint { margin: 0; font: 400 12px var(--sans); color: var(--moon-faint); }
.cp-buttons { display: flex; justify-content: flex-end; gap: 6px; }
.cp-buttons button {
  min-height: 44px;
  min-width: 44px;
  padding: 0 14px;
  border: 1px solid rgba(243, 236, 223, .16);
  border-radius: 999px;
  background: transparent;
  color: var(--moon-soft);
  font: 500 12px var(--sans);
  cursor: pointer;
}
.cp-buttons button:hover { color: var(--moon); border-color: rgba(243, 236, 223, .36); }
.cp-stage button:focus-visible { outline: 2px solid var(--saffron-active); outline-offset: 2px; }
.cp-progress { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: rgba(243, 236, 223, .06); }
.cp-progress span { display: block; height: 100%; background: var(--saffron-active); transform-origin: left; transform: scaleX(0); }
.cp-stage.is-idle { cursor: none; }
.cp-stage.is-idle .cp-stage-top, .cp-stage.is-idle .cp-bar { opacity: 0; }

/* Library: a contents rail beside the two collections. */
.cp-library {
  display: grid;
  grid-template-columns: 200px minmax(0, 760px);
  justify-content: center;
  gap: clamp(32px, 6vw, 96px);
  padding: 64px var(--page-pad) 88px;
}
.cp-rail { position: sticky; top: calc(var(--header-height) + 32px); align-self: start; }
.cp-rail-title { margin: 0 0 14px; font: 500 11px var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-faint); }
.cp-rail ol { list-style: none; margin: 0; padding: 0; }
.cp-rail ol ol { margin: 6px 0 10px; padding-left: 12px; border-left: 1px solid var(--line); }
.cp-rail a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
  font: 500 14px/1.4 var(--sans);
  color: var(--ink-soft);
  text-decoration: none;
}
.cp-rail ol ol a { font-weight: 400; font-size: 13px; }
.cp-rail a span { font-weight: 400; color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.cp-rail a:hover, .cp-rail a.is-current { color: var(--ink); }
.cp-rail a[href="#quotes"].is-current span { color: var(--quote-mark); }
.cp-rail a[href="#principles"].is-current span, .cp-rail ol ol a.is-current span { color: var(--principle-mark); }

.cp-back { display: inline-flex; align-items: center; min-height: 44px; font: 400 13px var(--sans); color: var(--ink-soft); text-underline-offset: 5px; }
.cp-intro h2 { margin: 20px 0 16px; font: 400 clamp(30px, 4vw, 44px)/1.12 var(--display); letter-spacing: -.02em; }
.cp-intro p { margin: 0; max-width: 38em; font: 400 15px/1.75 var(--sans); color: var(--ink-soft); }

.cp-section { margin-top: 72px; scroll-margin-top: calc(var(--header-height) + 24px); }
.cp-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-bottom: 18px; border-bottom: 1px solid var(--ink); }
.cp-section-head h2 { margin: 0; font: 400 clamp(24px, 3vw, 32px)/1.1 var(--display); }
.cp-section-head h2::before { content: ''; display: inline-block; width: 8px; height: 8px; margin: 0 12px 4px 0; border-radius: 50%; vertical-align: middle; }
.cp-section--quotes .cp-section-head h2::before { background: var(--quote-mark); }
.cp-section--principles .cp-section-head h2::before { background: var(--principle-mark); }
.cp-section-head p { margin: 0; font: italic 400 14px var(--sans); color: var(--ink-soft); }

.cp-entries { list-style: none; margin: 0; padding: 0; }
.cp-entries > li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 16px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-height) + 24px);
}
.cp-entries > li::before { content: attr(data-n); padding-top: 7px; font: 400 11px var(--sans); color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.cp-entries figure { margin: 0; }
.cp-entries blockquote { margin: 0 0 14px; font: 400 clamp(20px, 2.5vw, 25px)/1.42 var(--display); overflow-wrap: anywhere; }
.cp-entries blockquote::before { content: '“'; }
.cp-entries blockquote::after { content: '”'; }
.cp-entries figcaption, .cp-group-head { font: 400 12px/1.7 var(--sans); color: var(--ink-soft); }
.cp-entries figcaption a { color: inherit; text-underline-offset: 4px; }
.cp-entries .entry-work { display: block; font-style: italic; }

.cp-group { padding-top: 34px; scroll-margin-top: calc(var(--header-height) + 24px); }
.cp-group-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-bottom: 6px; }
.cp-group-head h3 { margin: 0; font: 500 15px var(--sans); color: var(--ink); }
.cp-group-head h3 a { color: inherit; text-underline-offset: 4px; text-decoration-color: var(--principle-mark); }
.cp-group-head span { font-style: italic; }
.cp-group .cp-entries > li { padding: 18px 0; font: 400 clamp(19px, 2.2vw, 22px)/1.45 var(--display); }

@media (max-width: 860px) {
  .cp-library { grid-template-columns: minmax(0, 1fr); gap: 0; padding-top: 40px; }
  .cp-rail { position: static; padding-bottom: 8px; }
  .cp-rail > ol { display: flex; gap: 20px; }
  .cp-rail ol ol { display: none; }
}
@media (max-width: 600px) {
  .cp-stage { min-height: calc(100svh - var(--header-height)); }
  .cp-bar { grid-template-columns: auto 1fr; }
  .cp-hint { display: none; }
  .cp-frame { padding: 32px 0; }
  .cp-buttons button { padding: 0 11px; }
  .cp-entries > li { grid-template-columns: 24px 1fr; gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .cp-frame, .cp-stage-top, .cp-bar { transition: none; }
  .cp-frame { transform: none; }
}