/*
  Library of Babel — warm off-white palette.
  Sister to Rhyme Radar and the Night Gazette; letterpress voice, open at night.
  Refreshed 2026-05-09: palette aligned to toybox standard, two-column layout,
  axioms sidebar, search panel, galleries tab.
*/

:root {
  /* Paper */
  --paper:        #f5efe0;
  --paper-deep:   #ecddc8;
  --paper-edge:   #c8b896;

  /* Inks */
  --ink:          #2d2418;            /* body text */
  --ink-soft:     #5a4d3c;            /* secondary */
  --ink-faded:    #8a7c66;            /* hints */
  --ink-indigo:   #2c3258;            /* accent — deep faded indigo */
  --ink-sepia:    #7a4a2a;            /* librarian's voice */
  --ink-rule:     #2a2419;            /* hairline rules */

  /* Lamp glow + ambient */
  --lamp-warm:    rgba(255, 200, 120, 0.13);
  --lamp-edge:    rgba(20, 14, 6, 0.28);

  /* Type */
  --serif:        'EB Garamond', 'Garamond', 'Iowan Old Style', Georgia, serif;
  --mono:         'IBM Plex Mono', 'JetBrains Mono', 'SF Mono', Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body { height: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.55;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Lamp vignette: warm pool top-center, dim edges. */
#lamp-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(
      ellipse 70% 55% at 50% 18%,
      var(--lamp-warm) 0%,
      transparent 65%
    ),
    radial-gradient(
      ellipse 120% 100% at 50% 50%,
      transparent 50%,
      var(--lamp-edge) 100%
    );
}

/* === Address bar === */

#address-bar {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.2rem;
  align-items: baseline;
  padding: 1.2rem 2rem 0.9rem;
  border-bottom: 2px solid var(--ink-rule);
}

.address-label {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-faded);
  white-space: nowrap;
}

#address-form { flex: 1 1 22rem; }

#address-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px dashed var(--paper-edge);
  color: var(--ink-indigo);
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 0.3rem 0.1rem;
  outline: none;
}

#address-input:focus {
  border-bottom-color: var(--ink-indigo);
}

#room-tabs {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.tab {
  background: transparent;
  border: none;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-faded);
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-bottom: 1px solid transparent;
}

.tab:hover { color: var(--ink-soft); }

.tab-active {
  color: var(--ink);
  border-bottom-color: var(--ink-indigo);
}

/* === Main / rooms === */

main {
  position: relative;
  z-index: 1;
  max-width: 72rem;
  margin: 0 auto;
  padding: 2.5rem 2rem 6rem;
  display: grid;
  grid-template-columns: 1fr 18rem;
  grid-template-areas: "room sidebar";
  gap: 3rem;
}

/* On narrow screens collapse to single column */
@media (max-width: 860px) {
  main {
    grid-template-columns: 1fr;
    grid-template-areas: "room" "sidebar";
    gap: 2rem;
  }
}

#rooms-container {
  grid-area: room;
  min-width: 0;
}

#axioms-sidebar {
  grid-area: sidebar;
  font-family: var(--serif);
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--ink-soft);
  padding-top: 0.2rem;
}

.axioms-heading {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faded);
  margin-bottom: 0.8rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--paper-edge);
}

.axiom {
  margin-bottom: 1.1rem;
  padding-left: 1.1em;
  border-left: 2px solid var(--paper-edge);
}

.axiom-num {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink-faded);
  margin-bottom: 0.15em;
}

.axioms-coda {
  margin-top: 1.4rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--paper-edge);
  font-size: 0.75rem;
  font-style: italic;
  color: var(--ink-faded);
}

.axioms-coda a {
  color: var(--ink-indigo);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 120ms;
}

.axioms-coda a:hover {
  border-bottom-color: var(--ink-indigo);
}

.room { display: none; }
.room-active { display: block; }

/* === Reading room === */

#page {
  position: relative;
  transition: opacity 240ms ease-out;
}

#page.turning {
  opacity: 0;
  transition: opacity 120ms ease-in;
}

#page-header {
  margin-bottom: 1.6rem;
  border-bottom: 1px solid var(--paper-edge);
  padding-bottom: 1rem;
}

#page-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.9rem;
  letter-spacing: 0.005em;
  color: var(--ink);
  line-height: 1.15;
}

#page-subtitle {
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin-top: 0.35rem;
}

#page-body {
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--ink);
}

#page-body p {
  margin-bottom: 1.1rem;
  text-indent: 1.4em;
}

#page-body p.lede {
  text-indent: 0;
  font-size: 1.18rem;
}
#page-body p.lede::first-letter {
  font-family: var(--serif);
  font-size: 2.7rem;
  float: left;
  line-height: 0.85;
  padding-right: 0.18em;
  padding-top: 0.18em;
  color: var(--ink-indigo);
}

#page-body p.coda {
  text-indent: 0;
  text-align: center;
  font-style: italic;
  color: var(--ink-soft);
  margin-top: 1.6rem;
}

#page-footer {
  margin-top: 2rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--paper-edge);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-faded);
}

#bookmark-btn {
  background: transparent;
  border: 1px solid var(--paper-edge);
  color: var(--ink-soft);
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.85rem;
  padding: 0.25rem 0.7rem;
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 120ms, color 120ms;
}

#bookmark-btn:hover {
  border-color: var(--ink-indigo);
  color: var(--ink-indigo);
}

#bookmark-btn.pinned {
  border-color: var(--ink-sepia);
  color: var(--ink-sepia);
}

/* === Librarian === */

#librarian {
  position: fixed;
  bottom: 1.2rem;
  right: 1.6rem;
  max-width: 18rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--ink-sepia);
  line-height: 1.4;
  text-align: right;
  opacity: 0;
  transform: translateY(0.4rem);
  transition: opacity 600ms ease-out, transform 600ms ease-out;
  pointer-events: none;
  z-index: 3;
}

#librarian.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hide the librarian when the corkboard is showing — she's a reading-room presence. */
body:not(.reading-room-active) #librarian {
  opacity: 0 !important;
  pointer-events: none;
}

#librarian-mark {
  display: inline-block;
  margin-right: 0.3em;
  font-style: normal;
  color: var(--ink-faded);
}

/* === Search panel === */

#search-panel {
  margin-bottom: 2rem;
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--paper-edge);
  background: var(--paper-deep);
}

#search-panel h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  color: var(--ink);
}

#search-panel p {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--ink-soft);
  margin-bottom: 0.8rem;
}

#search-form {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

#search-input {
  flex: 1 1 18rem;
  background: var(--paper);
  border: 1px solid var(--paper-edge);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1rem;
  padding: 0.4rem 0.6rem;
  outline: none;
}

#search-input:focus {
  border-color: var(--ink-indigo);
}

#search-btn {
  background: transparent;
  border: 1px solid var(--paper-edge);
  color: var(--ink-soft);
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.9rem;
  padding: 0.4rem 1rem;
  cursor: pointer;
  transition: border-color 120ms, color 120ms;
}

#search-btn:hover {
  border-color: var(--ink-indigo);
  color: var(--ink-indigo);
}

#search-result {
  margin-top: 0.8rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
  font-style: italic;
  min-height: 1.3em;
}

#search-result .found-coord {
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.8rem;
  color: var(--ink-indigo);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
}

/* === Galleries === */

#galleries {
  /* room container — full display: block when active */
}

.galleries-heading {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.6rem;
  margin-bottom: 0.3rem;
  color: var(--ink);
  border-bottom: 1px solid var(--paper-edge);
  padding-bottom: 0.6rem;
}

.galleries-subhead {
  font-style: italic;
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-bottom: 1.6rem;
}

.gallery-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.gallery-item {
  border: 1px solid var(--paper-edge);
  padding: 1rem 1.2rem;
  background: var(--paper-deep);
  cursor: pointer;
  transition: border-color 120ms;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.gallery-item:hover {
  border-color: var(--ink-indigo);
}

.gallery-item-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1rem;
  color: var(--ink);
}

.gallery-item-excerpt {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--ink-soft);
  line-height: 1.45;
}

.gallery-item-coord {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-faded);
  margin-top: 0.2rem;
}

/* === Corkboard === */

#corkboard {
  /* room container */
}

.corkboard-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.6rem;
  margin-bottom: 1.2rem;
  color: var(--ink);
  border-bottom: 1px solid var(--paper-edge);
  padding-bottom: 0.6rem;
}

.corkboard-empty {
  color: var(--ink-faded);
  font-style: italic;
}

#corkboard-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

#corkboard-list li {
  background: var(--paper-deep);
  border: 1px solid var(--paper-edge);
  border-radius: 2px;
  padding: 0.8rem 0.9rem;
  cursor: pointer;
  box-shadow: 1px 2px 0 rgba(40, 30, 15, 0.08);
  transform: rotate(-0.4deg);
  transition: transform 120ms;
}
#corkboard-list li:nth-child(2n) { transform: rotate(0.5deg); }
#corkboard-list li:nth-child(3n) { transform: rotate(-0.2deg); }
#corkboard-list li:hover { transform: rotate(0deg) translateY(-1px); }

#corkboard-list .card-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1rem;
  color: var(--ink);
  display: block;
  margin-bottom: 0.3rem;
}

#corkboard-list .card-coord {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-faded);
}

#corkboard-list .card-remove {
  float: right;
  background: transparent;
  border: none;
  color: var(--ink-faded);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0;
}
#corkboard-list .card-remove:hover { color: var(--ink-sepia); }

/* === Help dialog === */

#help-toggle {
  position: fixed;
  bottom: 1.2rem;
  left: 1.6rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 1px solid var(--paper-edge);
  background: var(--paper);
  color: var(--ink-faded);
  font-family: var(--serif);
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 4;
}
#help-toggle:hover { color: var(--ink-indigo); border-color: var(--ink-indigo); }

#help {
  background: var(--paper);
  border: 1px solid var(--paper-edge);
  border-radius: 4px;
  padding: 1.4rem 1.8rem;
  max-width: 22rem;
  color: var(--ink);
  font-family: var(--serif);
  box-shadow: 0 8px 30px rgba(20, 14, 6, 0.22);
}
#help::backdrop { background: rgba(20, 14, 6, 0.3); }

#help h2 {
  font-weight: 500;
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
  color: var(--ink);
}

#help dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.4rem 1rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

#help dt {
  font-family: var(--mono);
  color: var(--ink-faded);
  white-space: nowrap;
}
#help kbd {
  font-family: var(--mono);
  font-size: 0.78rem;
  background: var(--paper-deep);
  border: 1px solid var(--paper-edge);
  border-radius: 2px;
  padding: 0 0.3em;
  color: var(--ink);
}

#help-close {
  display: block;
  margin: 1.2rem auto 0;
  background: transparent;
  border: 1px solid var(--paper-edge);
  color: var(--ink-soft);
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.9rem;
  padding: 0.3rem 1rem;
  border-radius: 2px;
  cursor: pointer;
}
#help-close:hover { border-color: var(--ink-indigo); color: var(--ink-indigo); }

/* === Misc === */

::selection { background: rgba(44, 50, 88, 0.18); }

@media (max-width: 640px) {
  body { font-size: 17px; }
  main { padding: 1.6rem 1.2rem 6rem; }
  #librarian { max-width: 12rem; font-size: 0.85rem; }
}