@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&display=swap');

@font-face {
  font-family: 'Lacquer';
  src: url('Lacquer-Regular.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

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

:root {
  --bg: #080808;
  --white: #f0f0f0;
  --dim: #888;
  --faint: #333;
  --border: #444;
}

/* ── Blueprint grid background ── */
body {
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--white);
  font-family: 'Share Tech Mono', monospace;
  font-size: 13px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Scanline overlay ── */
/*body::after {*/
/*  content: '';*/
/*  position: fixed;*/
/*  inset: 0;*/
/*  background: repeating-linear-gradient(*/
/*    0deg,*/
/*    transparent,*/
/*    transparent 2px,*/
/*    rgba(0,0,0,0.07) 2px,*/
/*    rgba(0,0,0,0.07) 4px*/
/*  );*/
/*  pointer-events: none;*/
/*  z-index: 999;*/
/*}*/

/* ── Header ── */
header {
  padding: 1.5rem 1.2rem 1rem;
  border-bottom: 1px dashed var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.header-top {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

header h1 {
  font-family: 'Lacquer', cursive;
  font-size: clamp(1.4rem, 5vw, 2rem);
  font-weight: normal;
  color: var(--white);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.header-sub {
  font-size: 0.6rem;
  color: var(--dim);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.header-note {
  font-size: 0.55rem;
  color: var(--faint);
  letter-spacing: 0.1em;
}

/* ── Layout ── */
.layout {
  display: flex;
  flex: 1;
  flex-direction: column;
}

@media (min-width: 700px) {
  .layout {
    flex-direction: row;
  }
}

/* ── Left Panel: Currently Reading ── */
.reading-panel {
  padding: 1.2rem;
  border-bottom: 1px dashed var(--border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 700px) {
  .reading-panel {
    width: 260px;
    min-width: 260px;
    border-bottom: none;
    border-right: 1px dashed var(--border);
  }
}

.panel-label {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--dim);
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--faint);
}

.panel-label::before {
  content: '// ';
  color: var(--faint);
}

/* ── Reading Card ── */
.reading-card {
  display: none;
  flex-direction: column;
  gap: 0.8rem;
  animation: flicker 0.15s ease;
}

.reading-card.active {
  display: flex;
}

@keyframes flicker {
  0%   { opacity: 0.3; }
  60%  { opacity: 1; }
  75%  { opacity: 0.85; }
  100% { opacity: 1; }
}

.reading-cover-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  outline: 1px dashed var(--border);
  outline-offset: -1px;
}

/* Let the image define the height naturally — no cropping */
.reading-cover-wrap {
  aspect-ratio: unset;
}

.reading-cover-wrap img {
  width: 100%;
  height: auto;
  display: block;
  filter: contrast(1.05) brightness(0.88);
}

/* Corner registration marks */
.reading-cover-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 14px; height: 14px;
  border-top: 2px solid var(--white);
  border-left: 2px solid var(--white);
  z-index: 2;
  pointer-events: none;
}

.reading-cover-wrap .corner-br {
  position: absolute;
  bottom: 0; right: 0;
  width: 14px; height: 14px;
  border-bottom: 2px solid var(--white);
  border-right: 2px solid var(--white);
  z-index: 2;
  pointer-events: none;
}

/* ── Nav arrows ── */
.card-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-top: 1px dashed var(--faint);
  border-bottom: 1px dashed var(--faint);
}

.nav-btn {
  background: none;
  border: 1px dashed var(--border);
  color: var(--dim);
  width: 32px;
  height: 26px;
  cursor: pointer;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.8rem;
  transition: color 0.15s, border-color 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

.nav-btn:hover, .nav-btn:active {
  color: var(--white);
  border-color: var(--white);
}

.nav-count {
  font-size: 0.6rem;
  color: var(--dim);
  letter-spacing: 0.15em;
}

/* ── Reading metadata ── */
.reading-meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.reading-title {
  font-family: 'Lacquer', cursive;
  font-size: 1rem;
  color: var(--white);
  line-height: 1.4;
}

.reading-author {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--dim);
  text-transform: uppercase;
}

.reading-author::before {
  content: '— ';
}

.reading-genres {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.3rem;
}

.genre-tag {
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  border: 1px dashed var(--faint);
  padding: 0.15rem 0.4rem;
}

.no-reading {
  font-family: 'Lacquer', cursive;
  color: var(--dim);
  font-size: 0.85rem;
}

/* ── Right: Shelves ── */
.wall-section {
  flex: 1;
  padding: 1.2rem;
  overflow-y: auto;
}

.shelf {
  margin-bottom: 2.5rem;
}

.wall-label {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--dim);
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--faint);
  margin-bottom: 0.9rem;
}

.wall-label::before { content: '[ '; color: var(--faint); }
.wall-label::after  { content: ' ]'; color: var(--faint); }

/* ── Book Wall grid ── */
.book-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 5px;
}

@media (min-width: 700px) {
  .book-wall {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
}

.wall-book {
  position: relative;
  aspect-ratio: 2/3;
  overflow: hidden;
  cursor: pointer;
  outline: 1px dashed transparent;
  transition: outline-color 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.wall-book:hover {
  outline-color: var(--white);
}

.wall-book img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: contrast(1.05) brightness(0.85);
  transition: filter 0.3s ease;
}

.wall-book:hover img,
.wall-book.tapped img {
  filter: contrast(1.05) brightness(0.2);
}

.wall-book-info {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  text-align: center;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.wall-book:hover .wall-book-info,
.wall-book.tapped .wall-book-info {
  opacity: 1;
}

.wall-book-title {
  font-family: 'Lacquer', cursive;
  font-size: 0.7rem;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 0.3rem;
}

.wall-book-author {
  font-size: 0.45rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
}

/* ── Cover Placeholders ── */
.cover-placeholder {
  width: 100%;
  height: 100%;
  background: #0e0e0e;
  border: 1px dashed var(--faint);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  text-align: center;
  gap: 0.3rem;
  transition: filter 0.3s ease;
}

.wall-book:hover .cover-placeholder,
.wall-book.tapped .cover-placeholder {
  filter: brightness(0.2);
}

.cover-placeholder-title {
  font-family: 'Lacquer', cursive;
  font-size: 0.6rem;
  color: var(--dim);
  line-height: 1.3;
}

.cover-placeholder-author {
  font-size: 0.4rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}

.reading-cover-placeholder {
  width: 100%;
  aspect-ratio: 2/3;
  max-height: 400px;
  background: #0e0e0e;
  border: 1px dashed var(--faint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Lacquer', cursive;
  color: var(--dim);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}