:root {
  --paper:       #080708;
  --card:        #141415;
  --card-edge:   #35363A;
  --ink:         #E6E8E6;
  --ink-soft:    #9C9EA0;
  --rule:        #35363A;
  --wood:        #3772FF;
  --wood-dark:   #2856C9;
  --stamp-tbr:   #FDCA40;
  --stamp-read:  #3772FF;
  --danger:      #DF2935;
  --focus:       #FDCA40;
  --input-bg:    #101012;

  --font-display: 'Special Elite', 'Courier New', monospace;
  --font-body:    'Lora', Georgia, serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(ellipse at top, rgba(55,114,255,0.07), transparent 60%),
    var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
}

a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

/* ---------- Masthead ---------- */

.masthead {
  background: var(--wood-dark);
  background-image: linear-gradient(180deg, var(--wood) 0%, var(--wood-dark) 100%);
  color: var(--card);
  padding: 2.5rem 1.5rem 2rem;
  border-bottom: 6px solid var(--wood-dark);
  box-shadow: 0 4px 0 rgba(0,0,0,0.15);
}

.masthead-inner {
  max-width: 900px;
  margin: 0 auto;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #FDCA40;
  margin: 0 0 0.5rem;
}

.masthead h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin: 0;
  letter-spacing: 0.02em;
}

.tagline {
  font-style: italic;
  color: #B9BBB9;
  margin: 0.5rem 0 0;
}

/* ---------- Layout ---------- */

.catalog {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.75rem 1.25rem 4rem;
}

/* ---------- Search drawer ---------- */

.search-drawer {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: 4px;
  padding: 1.25rem 1.25rem 1rem;
  box-shadow: 0 3px 0 var(--card-edge), 0 6px 14px rgba(0,0,0,0.35);
  margin-bottom: 2rem;
}

.drawer-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}

.search-row {
  display: flex;
  gap: 0.6rem;
}

#search-input {
  flex: 1;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--input-bg);
  color: var(--ink);
}

#search-btn, .add-btn, .action-btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--wood);
  color: var(--card);
  border: none;
  border-radius: 3px;
  padding: 0.6rem 1rem;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

#search-btn:hover, .add-btn:hover, .action-btn:hover { background: var(--wood-dark); }
#search-btn:active, .add-btn:active, .action-btn:active { transform: translateY(1px); }

.action-btn[data-action="delete"]:hover { background: var(--danger); }

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  cursor: pointer;
}

.lang-toggle input {
  accent-color: var(--wood);
  cursor: pointer;
}

.search-status {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0.75rem 0 0;
}

.search-results {
  margin-top: 1rem;
  border-top: 1px dashed var(--rule);
  padding-top: 0.75rem;
  display: grid;
  gap: 0.75rem;
  max-height: 420px;
  overflow-y: auto;
}

.result-row {
  display: grid;
  grid-template-columns: 46px 1fr auto;
  gap: 0.75rem;
  align-items: center;
}

.result-cover-btn {
  border: none;
  padding: 0;
  margin: 0;
  background: none;
  cursor: pointer;
  border-radius: 2px;
}

.result-cover-btn img, .result-cover-btn .no-cover {
  display: block;
}

.result-cover-btn:hover img, .result-cover-btn:hover .no-cover {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}

.result-row img, .result-row .no-cover {
  width: 46px;
  height: 64px;
  object-fit: cover;
  background: var(--card-edge);
  border: 1px solid var(--card-edge);
}

.result-info h3 {
  font-size: 0.98rem;
  margin: 0 0 0.15rem;
  font-weight: 600;
}

.result-info p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.result-actions { display: flex; gap: 0.4rem; }
.result-actions button { padding: 0.4rem 0.6rem; font-size: 0.72rem; }

/* ---------- Drawer tabs ---------- */

.drawer-tabs {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border-bottom: 3px solid var(--wood);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.tab {
  font-family: var(--font-display);
  font-size: 0.95rem;
  background: var(--paper);
  color: var(--ink-soft);
  border: 1px solid var(--card-edge);
  border-bottom: none;
  padding: 0.55rem 1.1rem;
  border-radius: 6px 6px 0 0;
  cursor: pointer;
  position: relative;
  top: 3px;
}

.tab.active {
  background: var(--card);
  color: var(--ink);
  top: 0;
  border-bottom: 3px solid var(--card);
}

.view-toggle {
  margin-left: auto;
  display: flex;
  gap: 0.3rem;
  padding-bottom: 0.4rem;
}

.view-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  padding: 0.3rem 0.6rem;
  border-radius: 3px;
  cursor: pointer;
}

.view-btn.active {
  background: var(--wood);
  color: var(--card);
  border-color: var(--wood);
}

/* ---------- Empty state ---------- */

.empty-state {
  font-family: var(--font-mono);
  color: var(--ink-soft);
  text-align: center;
  padding: 3rem 1rem;
  border: 1px dashed var(--rule);
  border-radius: 4px;
  background: rgba(53,54,58,0.4);
}

/* ---------- Grid view ---------- */

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1.25rem;
}

.book-grid.view-list {
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.book-card {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: 3px;
  box-shadow: 0 2px 0 var(--card-edge);
  padding: 0.7rem;
  position: relative;
  display: flex;
  flex-direction: column;
}

.book-card .cover-wrap {
  aspect-ratio: 2 / 3;
  background: var(--card-edge);
  border: 1px solid var(--card-edge);
  overflow: hidden;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cover-wrap-btn {
  width: 100%;
  padding: 0;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

.cover-wrap-btn:hover {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}

.book-card .cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.no-cover-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  text-align: center;
  color: var(--ink-soft);
  padding: 0.5rem;
  line-height: 1.3;
}

.book-title-btn {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 0;
  margin: 0 0 0.2rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
}

.book-title-btn:hover { color: var(--stamp-read); text-decoration: underline; }

.book-card .author {
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin: 0 0 0.5rem;
  font-style: italic;
}

.book-card .card-actions {
  margin-top: auto;
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.book-card .card-actions button {
  padding: 0.35rem 0.55rem;
  font-size: 0.68rem;
}

/* Ink stamp badge — the signature element */
.stamp {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.45rem;
  border: 2px solid currentColor;
  border-radius: 3px;
  transform: rotate(-8deg);
  opacity: 0.9;
  background: rgba(0,0,0,0.3);
}

.stamp-tbr  { color: var(--stamp-tbr); }
.stamp-read { color: var(--stamp-read); }

/* ---------- List view ---------- */

.book-grid.view-list .book-card {
  flex-direction: row;
  align-items: flex-start;
  gap: 1rem;
  border-bottom: 1px dashed var(--rule);
  border-radius: 0;
  box-shadow: none;
  padding: 0.9rem 0.2rem;
}

.book-grid.view-list .cover-wrap {
  width: 56px;
  aspect-ratio: 2/3;
  flex: none;
  margin-bottom: 0;
}

.book-grid.view-list .book-body { flex: 1; min-width: 0; }

.book-grid.view-list .blurb {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0.3rem 0 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  cursor: pointer;
}

.book-grid.view-list .blurb:hover { color: var(--ink); }

.book-grid.view-list .stamp {
  position: static;
  transform: rotate(-4deg);
  display: inline-block;
  margin-bottom: 0.3rem;
}

.book-grid .blurb { display: none; }
.book-grid.view-list .blurb { display: -webkit-box; }

/* ---------- Footer ---------- */

.colophon {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  padding: 1.5rem;
}

@media (max-width: 480px) {
  .search-row { flex-direction: column; }
  .drawer-tabs { gap: 0.3rem; }
  .view-toggle { width: 100%; margin-left: 0; justify-content: flex-end; }
}

@media (max-width: 600px) {
  .book-grid.view-list .book-card {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .book-grid.view-list .cover-wrap {
    width: 96px;
    margin: 0 auto;
  }

  .book-grid.view-list .book-body {
    width: 100%;
    text-align: center;
  }

  .book-grid.view-list .book-title-btn {
    text-align: center;
  }

  .book-grid.view-list .blurb {
    text-align: left;
    -webkit-line-clamp: 4;
  }

  .book-grid.view-list .card-actions {
    justify-content: center;
  }

  .book-grid.view-list .card-actions button {
    flex: 1 1 auto;
    padding: 0.55rem 0.6rem;
    font-size: 0.72rem;
  }
}

/* ---------- Cover picker modal ---------- */

.cover-picker-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,18,18,0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  z-index: 100;
}

.cover-picker-panel {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: 6px;
  width: min(560px, 100%);
  max-height: 85vh;
  overflow-y: auto;
  padding: 1.25rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.book-detail-panel {
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: 6px;
  width: min(480px, 100%);
  max-height: 85vh;
  overflow-y: auto;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  position: relative;
  text-align: center;
}

.book-detail-panel .cover-picker-close {
  top: 0.75rem;
  right: 0.75rem;
}

.book-detail-cover {
  width: 150px;
  aspect-ratio: 2/3;
  margin: 0 auto 1rem;
  background: var(--card-edge);
  border: 1px solid var(--card-edge);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-detail-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-detail-stamp { margin-bottom: 0.75rem; }
.book-detail-stamp .stamp {
  position: static;
  display: inline-block;
  transform: rotate(-4deg);
}

.book-detail-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 0.3rem;
  line-height: 1.3;
}

.book-detail-author {
  font-style: italic;
  color: var(--ink-soft);
  margin: 0 0 1.1rem;
}

.book-detail-blurb {
  text-align: left;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink);
  white-space: pre-line;
  margin: 0;
}

.cover-picker-header {
  position: relative;
  margin-bottom: 1rem;
  padding-right: 2rem;
}

.cover-picker-header h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 0.2rem;
}

.cover-picker-header p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-style: italic;
}

.cover-picker-close {
  position: absolute;
  top: -0.3rem;
  right: -0.3rem;
  background: none;
  border: none;
  color: var(--ink-soft);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.25rem;
}

.cover-picker-close:hover { color: var(--ink); }

.cover-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.cover-picker-item {
  border: 2px solid var(--card-edge);
  border-radius: 3px;
  padding: 0;
  background: var(--input-bg);
  cursor: pointer;
  aspect-ratio: 2/3;
  overflow: hidden;
}

.cover-picker-item:hover {
  border-color: var(--focus);
}

.cover-picker-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cover-picker-empty {
  font-size: 0.85rem;
  color: var(--ink-soft);
  grid-column: 1 / -1;
}

.cover-picker-manual {
  border-top: 1px dashed var(--rule);
  padding-top: 0.9rem;
}

.cover-picker-manual label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-bottom: 0.4rem;
}

.cover-picker-manual-row {
  display: flex;
  gap: 0.5rem;
}

.cover-picker-manual-row input {
  flex: 1;
  font-family: var(--font-body);
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--input-bg);
  color: var(--ink);
}