/* ============================================================
   THE READING ROOM — a card-catalog archive of three stories
   Tokens
   ============================================================ */
:root{
  --bg:            #1B1613;
  --bg-deep:       #120E0C;
  --wood:          #2B2019;
  --wood-hi:       #3D2C20;
  --wood-lo:       #201712;
  --brass:         #C9A15F;
  --brass-dim:     #8A6E3F;
  --parchment:     #F1E7D6;
  --card:          #EFE3CC;
  --card-shadow:   #b8a582;
  --ink:           #241C15;
  --ink-soft:      #5C4D3C;
  --drama:         #C1703B;
  --drama-deep:    #7A431F;
  --thriller:      #5C7480;
  --thriller-deep: #33454E;
  --pin:           #9A3B3B;

  --f-display: 'Fraunces', serif;
  --f-read:    'Source Serif 4', Georgia, serif;
  --f-mono:    'IBM Plex Mono', monospace;

  --radius-card: 3px;
  --radius-drawer: 6px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(ellipse 900px 500px at 50% -10%, rgba(201,161,95,0.08), transparent 60%),
    var(--bg);
  color: var(--parchment);
  font-family: var(--f-read);
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* subtle film-grain texture overlay */
.grain{
  position: fixed; inset:0; pointer-events:none; z-index: 1;
  opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a{ color: inherit; }

::selection{ background: var(--brass); color: var(--ink); }

button{ font-family: inherit; }

/* ============================================================
   HEADER
   ============================================================ */
.site-head{
  position: relative;
  padding: 5.5rem 1.5rem 4rem;
  text-align: center;
  overflow: hidden;
}
.site-head__inner{
  position: relative; z-index: 2;
  max-width: 640px; margin: 0 auto;
}
.eyebrow{
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass-dim);
  margin: 0 0 1.1rem;
}
.wordmark{
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.02;
  margin: 0 0 1.1rem;
  color: var(--parchment);
  letter-spacing: -0.01em;
}
.tagline{
  font-size: 1.05rem;
  line-height: 1.6;
  color: #C9BBA6;
  max-width: 44ch;
  margin: 0 auto;
}

/* small ambient lamp glow behind the header, evokes a desk lamp lit at night */
.lamp{
  position:absolute; left:50%; top:-120px; width:640px; height:420px;
  transform: translateX(-50%);
  z-index: 1; pointer-events:none;
}
.lamp__glow{
  position:absolute; inset:0; border-radius:50%;
  background: radial-gradient(ellipse at 50% 30%, rgba(193,112,59,0.28), rgba(193,112,59,0.05) 45%, transparent 70%);
  filter: blur(4px);
  animation: flicker 7s ease-in-out infinite;
}
@keyframes flicker{
  0%, 100% { opacity: 1; }
  48% { opacity: 0.94; }
  50% { opacity: 0.82; }
  52% { opacity: 0.96; }
}

/* ============================================================
   CATALOG — the two drawers
   ============================================================ */
.catalog{
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.5rem 6rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  position: relative;
  z-index: 2;
}

.drawer{
  border-radius: var(--radius-drawer);
  background: linear-gradient(180deg, var(--wood-hi), var(--wood) 40%, var(--wood-lo));
  box-shadow:
    0 1px 0 rgba(255,255,255,0.04) inset,
    0 18px 40px -18px rgba(0,0,0,0.65),
    0 2px 0 rgba(0,0,0,0.4);
  border: 1px solid rgba(0,0,0,0.35);
  overflow: hidden;
}

.drawer__face{
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.1rem;
  padding: 1.35rem 1.5rem;
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  text-align: left;
  position: relative;
}
.drawer__face::after{
  /* wood-grain hint */
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(180deg, rgba(0,0,0,0.05) 0 2px, transparent 2px 5px);
  opacity: 0.5; pointer-events: none;
}

.drawer__pull{
  width: 34px; height: 34px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, #E8CE96, var(--brass) 55%, var(--brass-dim) 100%);
  box-shadow: 0 2px 4px rgba(0,0,0,0.5), inset 0 1px 1px rgba(255,255,255,0.3);
  flex-shrink: 0;
}

.drawer__label{ display:flex; flex-direction: column; gap: 0.28rem; min-width:0; }
.drawer__tab{
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
}
.drawer__title{
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.55rem;
  color: var(--parchment);
}
.drawer__meta{
  font-size: 0.85rem;
  color: #B7A78E;
}
[data-genre="thriller"] .drawer__tab{ color: #A9C0CB; }
[data-genre="thriller"] .drawer__pull{
  background: radial-gradient(circle at 35% 30%, #DCE6E9, var(--thriller) 55%, var(--thriller-deep) 100%);
}

.drawer__chevron{
  font-size: 0.9rem;
  color: var(--brass-dim);
  transition: transform 0.35s ease;
  justify-self: end;
}
.drawer__face[aria-expanded="true"] .drawer__chevron{ transform: rotate(180deg); }

.drawer__body{
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(.4,0,.2,1);
}
.drawer__body.is-open{ max-height: 1400px; }

.drawer__inner{
  padding: 0.25rem 1.5rem 1.75rem;
  background: linear-gradient(180deg, rgba(0,0,0,0.18), transparent 12%);
}

/* index cards inside a drawer */
.index-cards{
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding-top: 0.5rem;
}

.index-card{
  --accent: var(--drama);
  --accent-deep: var(--drama-deep);
  position: relative;
  background: linear-gradient(180deg, var(--card), #E4D6BB);
  color: var(--ink);
  border-radius: var(--radius-card);
  padding: 1.1rem 1.25rem 1.1rem 1.65rem;
  box-shadow: 0 10px 18px -10px rgba(0,0,0,0.55), 0 1px 0 rgba(255,255,255,0.5) inset;
  cursor: pointer;
  border: none;
  text-align: left;
  width: 100%;
  font-family: inherit;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(8px);
  animation: card-in 0.45s ease forwards;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.index-card:hover, .index-card:focus-visible{
  transform: translateY(2px);
  box-shadow: 0 6px 14px -8px rgba(0,0,0,0.6), 0 1px 0 rgba(255,255,255,0.5) inset;
}
.index-card::before{
  /* punch hole, like a real library card */
  content: "";
  position: absolute; left: 0.55rem; top: 50%; transform: translateY(-50%);
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--bg-deep);
  box-shadow: 0 0 0 2px rgba(0,0,0,0.08);
}
.index-card::after{
  content: "";
  position: absolute; left: 0; top: 10%; bottom: 10%;
  width: 4px; border-radius: 2px;
  background: var(--accent);
}
[data-genre="thriller"] .index-card{ --accent: var(--thriller); --accent-deep: var(--thriller-deep); }

@keyframes card-in{
  to{ opacity: 1; transform: translateY(0); }
}
.index-card:nth-child(1){ animation-delay: 0.04s; }
.index-card:nth-child(2){ animation-delay: 0.12s; }
.index-card:nth-child(3){ animation-delay: 0.2s; }

.index-card__main{ min-width: 0; }
.index-card__kicker{
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-deep);
  display: block;
  margin-bottom: 0.3rem;
}
.index-card__title{
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.15rem;
  margin: 0 0 0.35rem;
  color: var(--ink);
}
.index-card__blurb{
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0;
}
.index-card__aside{
  font-family: var(--f-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  text-align: right;
  white-space: nowrap;
  padding-top: 0.1rem;
}
.load-error{
  font-family: var(--f-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  color: #C9BBA6;
  padding: 1rem 0.25rem;
}
.load-error code{
  background: rgba(0,0,0,0.3);
  padding: 0.1em 0.4em;
  border-radius: 3px;
}

.index-card__aside .open-hint{
  display:block; margin-top: 0.5rem;
  color: var(--accent-deep);
  font-weight: 500;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-foot{
  text-align: center;
  padding: 2rem 1.5rem 4rem;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--brass-dim);
  position: relative; z-index: 2;
}

/* ============================================================
   READER — full-page "open book" overlay
   ============================================================ */
.reader{
  position: fixed; inset: 0;
  z-index: 50;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.35s ease, visibility 0s linear 0.35s;
}
.reader.is-open{
  visibility: visible;
  opacity: 1;
  transition: opacity 0.35s ease;
}
.reader__scrim{
  position: absolute; inset: 0;
  background: rgba(9,7,5,0.82);
  backdrop-filter: blur(3px);
}
.reader__page{
  position: relative;
  z-index: 1;
  width: min(720px, 92vw);
  max-height: 88vh;
  margin: 4vh auto;
  background: var(--parchment);
  color: var(--ink);
  border-radius: 4px;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.6);
  overflow: hidden;
  transform: translateY(18px) scale(0.985);
  transition: transform 0.4s cubic-bezier(.2,.8,.2,1);
  display: flex;
  flex-direction: column;
}
.reader.is-open .reader__page{ transform: translateY(0) scale(1); }

.reader__close{
  position: absolute;
  top: 0; right: 1.75rem;
  display: flex; flex-direction: column; align-items: center;
  gap: 0.15rem;
  background: var(--pin);
  color: #F6E9E9;
  border: none;
  padding: 0.5rem 0.85rem 0.7rem;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 0 0 4px 4px;
  z-index: 2;
  box-shadow: 0 6px 12px -6px rgba(0,0,0,0.5);
  transition: transform 0.15s ease, background 0.15s ease;
}
.reader__close:hover{ background: #B24747; transform: translateY(1px); }

.reader__scroll{
  overflow-y: auto;
  padding: 3.25rem 3rem 4rem;
}
@media (max-width: 640px){
  .reader__scroll{ padding: 3.25rem 1.35rem 3.5rem; }
  .reader__close{ right: 0.75rem; }
}

.reader__eyebrow{
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--drama-deep);
  margin: 0 0 0.6rem;
}
.reader[data-genre="thriller"] .reader__eyebrow{ color: var(--thriller-deep); }

.reader__title{
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  line-height: 1.12;
  margin: 0 0 0.5rem;
}
.reader__byline{
  font-family: var(--f-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin: 0;
}
.reader__rule{
  width: 48px; height: 2px;
  background: var(--ink-soft);
  opacity: 0.35;
  margin: 1.6rem 0 1.8rem;
}
.reader__body{
  font-family: var(--f-read);
  font-size: 1.08rem;
  line-height: 1.75;
  columns: 1;
}
.reader__body p{
  margin: 0 0 1.15em;
}
.reader__body p:first-of-type::first-letter{
  font-family: var(--f-display);
  font-size: 3.1rem;
  font-weight: 600;
  float: left;
  line-height: 0.8;
  padding: 0.1rem 0.12em 0 0;
  color: var(--drama-deep);
}
.reader[data-genre="thriller"] .reader__body p:first-of-type::first-letter{
  color: var(--thriller-deep);
}
.reader__end{
  text-align: center;
  font-size: 1.3rem;
  color: var(--ink-soft);
  opacity: 0.5;
  margin-top: 1rem;
}

/* focus visibility for keyboard users */
button:focus-visible, .index-card:focus-visible{
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 560px){
  .site-head{ padding: 4rem 1.25rem 3rem; }
  .drawer__face{ padding: 1.1rem 1.1rem; gap: 0.8rem; }
  .drawer__title{ font-size: 1.3rem; }
  .index-card{ grid-template-columns: 1fr; }
  .index-card__aside{ text-align: left; }
}