@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:wght@500;600;700&family=Manrope:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');


/* ── Design tokens — light mode (drewklauser.com palette) ─── */
:root {
  color-scheme: light;

  --c-bg:           #F7F3EC;
  --c-bg-elevated:  #FCFAF5;
  --c-bg-card:      #FFFFFF;
  --c-bg-card-hov:  #FFFFFF;
  --c-border:       rgba(33, 29, 24, 0.10);
  --c-border-hov:   rgba(22, 60, 37, 0.30);

  /* Brand — ezCater forest green, single accent (matches drewklauser.com) */
  --c-accent:       #163C25;
  --c-accent-lt:    #3F7D5B;
  --c-accent-ink:   #FFFFFF;
  --c-accent-tint:  rgba(22, 60, 37, 0.07);
  --c-accent-tint-2:rgba(22, 60, 37, 0.12);

  --c-text:         #211D18;
  --c-text-2:       #6B6459;
  --c-text-3:       #9C9488;

  --font:           'Manrope', system-ui, -apple-system, sans-serif;
  --font-serif:     'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-mono:      'JetBrains Mono', 'Fira Code', monospace;

  --radius-lg:      20px;
  --radius:         16px;
  --radius-sm:      8px;
  --ease:           cubic-bezier(0.16, 1, 0.3, 1);
  --nav-h:          60px;

  /* Book spine category colors — rich, muted bindings (work on any bg) */
  --cat-biography:    #7c3a1a;
  --cat-business:     #1a3a6b;
  --cat-cybersecurity:#0f3d2e;
  --cat-fiction:      #3b1a6b;
  --cat-finance:      #6b4a0f;
  --cat-leadership:   #6b1a1a;
  --cat-management:   #1a3a6b;
  --cat-productivity: #6b3a0f;
  --cat-science:      #0f3a5c;
  --cat-self-help:    #1a4a2e;
  --cat-sports:       #1a3d1a;
  --cat-technology:   #1e2433;
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Section layout ──────────────────────────────────────── */
.section-container {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

.section-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--c-text-3);
  margin-bottom: 14px;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.2vw, 44px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--c-text);
  margin-bottom: 0.5rem;
  text-wrap: balance;
}

.section-subheading {
  font-size: 1rem;
  color: var(--c-text-2);
  margin-bottom: 2.5rem;
}

.section-divider {
  width: 32px;
  height: 2px;
  background: var(--c-accent);
  margin: 0.75rem 0 1.5rem;
  border-radius: 2px;
}

/* ── Sticky nav ──────────────────────────────────────────── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(247, 243, 236, 0.88);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--c-border);
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  z-index: 1;
  padding: 6rem 2rem 4rem;
  text-align: center;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.08;
  color: var(--c-text);
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-accent);
  margin-top: 0.75rem;
}

/* ── Section alt ─────────────────────────────────────────── */
.section-alt {
  background: var(--c-bg-elevated);
}

/* ── Shelf line ──────────────────────────────────────────── */
.wood-shelf {
  height: 1px;
  background: var(--c-border);
  border-radius: 1px;
}

/* ── Book spine (yearly shelf) ───────────────────────────── */
.book-spine {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 10px 0 12px;
  cursor: pointer;
  transition: filter 0.12s var(--ease), transform 0.12s var(--ease), box-shadow 0.12s var(--ease);
  border-bottom: 1px solid rgba(0, 0, 0, 0.4);
  overflow: hidden;
  user-select: none;
}

.book-spine::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0.08) 100%);
  flex-shrink: 0;
}

.book-spine::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.09) 0%,
    rgba(255,255,255,0.02) 35%,
    transparent 100%
  );
  pointer-events: none;
}

.book-spine:hover {
  filter: brightness(1.22) saturate(1.1);
  transform: translateX(3px);
  box-shadow: -3px 0 8px rgba(0,0,0,0.4);
  z-index: 2;
}

.book-spine:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 1px;
}

.spine-title {
  font-family: var(--font);
  font-weight: 500;
  color: rgba(248, 250, 252, 0.88);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.01em;
  flex: 1;
  min-width: 0;
  text-shadow: 0 1px 3px rgba(0,0,0,0.6);
}

.spine-author {
  font-family: var(--font);
  font-weight: 300;
  font-size: 9px;
  color: rgba(248, 250, 252, 0.5);
  white-space: nowrap;
  flex-shrink: 0;
  margin-left: 8px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.spine-medium-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-left: 6px;
  background: rgba(22,60,37,0.7);
}

/* ── Year column ─────────────────────────────────────────── */
.year-column {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  width: 200px;
}

.year-label {
  text-align: center;
  padding: 10px 4px 4px;
}

.year-label-text {
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-text);
  display: block;
}

.year-count {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--c-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ── Yearly shelf scroll ─────────────────────────────────── */
.yearly-shelf-scroll {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  overflow-x: auto;
  padding: 1rem 0 0;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(22,60,37,0.4) transparent;
}
.yearly-shelf-scroll::-webkit-scrollbar { height: 4px; }
.yearly-shelf-scroll::-webkit-scrollbar-track { background: transparent; }
.yearly-shelf-scroll::-webkit-scrollbar-thumb {
  background: rgba(22,60,37,0.4);
  border-radius: 2px;
}

/* ── Currently Reading cards ─────────────────────────────── */
.reading-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  perspective: 600px;
}

.reading-cover {
  position: relative;
  transform: rotateY(-6deg);
  transform-style: preserve-3d;
  transition: transform 0.3s var(--ease);
}
.reading-cover:hover { transform: rotateY(0deg); }

.reading-cover img {
  display: block;
  width: 120px;
  height: 180px;
  object-fit: cover;
  border-radius: 2px 6px 6px 2px;
  box-shadow: 6px 6px 24px rgba(0,0,0,0.25), 0 0 0 1px rgba(0,0,0,0.06);
}

.reading-cover-placeholder {
  width: 120px;
  height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px;
  text-align: center;
  border-radius: 2px 6px 6px 2px;
  gap: 6px;
  box-shadow: 6px 6px 24px rgba(0,0,0,0.25);
}

.reading-spine-edge {
  position: absolute;
  left: -4px;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, rgba(255,255,255,0.12) 0%, rgba(0,0,0,0.2) 100%);
  border-radius: 2px 0 0 2px;
}

/* ── Top 10 cards ────────────────────────────────────────── */
.top10-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.top10-card:hover {
  border-color: var(--c-border-hov);
  background: var(--c-bg-card-hov);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.top10-rank {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--c-accent);
  line-height: 1;
  width: 2.5rem;
  text-align: center;
  flex-shrink: 0;
}

.top10-cover {
  width: 56px;
  height: 80px;
  object-fit: cover;
  border-radius: 1px 4px 4px 1px;
  box-shadow: 2px 2px 12px rgba(0,0,0,0.15);
  flex-shrink: 0;
}

.top10-cover-placeholder {
  width: 56px;
  height: 80px;
  border-radius: 1px 4px 4px 1px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 2px 2px 12px rgba(0,0,0,0.3);
}

/* ── Category badge ──────────────────────────────────────── */
.category-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 999px;
  color: rgba(248,250,252,0.85);
}

/* ── Medium badge ────────────────────────────────────────── */
.medium-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--c-text-2);
  text-transform: capitalize;
}

/* ── Modal ───────────────────────────────────────────────── */
dialog.book-modal {
  background: transparent;
  border: none;
  padding: 0;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  max-width: 95vw;
  max-height: 95vh;
  overflow: visible;
}

dialog.book-modal::backdrop {
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(6px);
}

.modal-inner {
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: 0 32px 80px rgba(0,0,0,0.15), 0 0 0 1px rgba(22,60,37,0.12);
  width: min(780px, 92vw);
  padding: 3rem;
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  color: var(--c-text-2);
  font-size: 1.75rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}
.modal-close:hover { color: var(--c-text); background: var(--c-bg-card-hov); }

.modal-cover { width: 150px; flex-shrink: 0; }
.modal-cover img {
  width: 100%;
  display: block;
  border-radius: 2px 8px 8px 2px;
  box-shadow: 6px 6px 28px rgba(0,0,0,0.2);
}

.modal-cover-placeholder {
  width: 150px;
  height: 225px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 14px;
  border-radius: 2px 8px 8px 2px;
  font-family: var(--font);
  font-size: 0.85rem;
  line-height: 1.3;
  color: rgba(248,250,252,0.65);
  box-shadow: 6px 6px 28px rgba(0,0,0,0.4);
}

.modal-title {
  font-family: var(--font);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--c-text);
  line-height: 1.25;
  margin-bottom: 0.4rem;
}

.modal-author {
  font-size: 0.875rem;
  color: var(--c-text-2);
  margin-bottom: 1rem;
}

/* ── Horizontal shelves (year by year) ───────────────────── */
.yearly-shelves {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.shelf-row { /* one shelf per year */ }

.shelf-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.shelf-year {
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.shelf-count {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--c-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.shelf-books {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  align-items: flex-end;
  scrollbar-width: thin;
  scrollbar-color: rgba(22,60,37,0.3) transparent;
}
.shelf-books::-webkit-scrollbar { height: 3px; }
.shelf-books::-webkit-scrollbar-track { background: transparent; }
.shelf-books::-webkit-scrollbar-thumb { background: rgba(22,60,37,0.3); border-radius: 2px; }

.shelf-book {
  position: relative;
  flex-shrink: 0;
  cursor: pointer;
  transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
  border-radius: 1px 4px 4px 1px;
  overflow: hidden;
}
.shelf-book:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
  z-index: 2;
}
.shelf-book:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

.shelf-book-spine-edge {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  pointer-events: none;
}

.shelf-book-placeholder {
  width: 72px;
  height: 108px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  text-align: center;
  border-radius: 1px 4px 4px 1px;
}
.shelf-book-placeholder span {
  font-family: var(--font);
  font-size: 0.6rem;
  font-weight: 600;
  line-height: 1.3;
  color: rgba(248,250,252,0.85);
}

/* ── Top 5 cover-art layout ──────────────────────────────── */
.top5-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  align-items: flex-start;
  justify-content: center;
}

@media (max-width: 600px) {
  .top5-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    justify-items: center;
    align-items: start;
  }
  .top5-grid .top5-item {
    padding-top: 14px;
  }
  .top5-grid .top5-item:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}

.top5-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  user-select: none;
}
.top5-item:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 4px; border-radius: 4px; }

.top5-rank-badge {
  position: absolute;
  top: -10px;
  left: -12px;
  z-index: 3;
  background: var(--c-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* ── All Books page ──────────────────────────────────────── */
.books-search-wrap {
  position: relative;
  max-width: 520px;
  margin-bottom: 1.25rem;
}

.books-search-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-text-3);
  pointer-events: none;
}

.books-search {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--c-text);
  outline: none;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.books-search::placeholder { color: var(--c-text-3); }
.books-search:focus {
  border-color: var(--c-border-hov);
  box-shadow: 0 0 0 3px rgba(22,60,37,0.1);
}

.filter-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text-2);
  flex-shrink: 0;
  width: 4.5rem;
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.filter-pill {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--c-border);
  background: var(--c-bg-card);
  color: var(--c-text-2);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s, opacity 0.15s;
}
.filter-pill:hover { border-color: var(--c-border-hov); color: var(--c-text); }
.filter-pill--active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}
/* Category pills with custom color when active */
.filter-pill[data-filter-type="cat"].filter-pill--active:not([data-filter-val=""]) {
  background: var(--pill-color);
  border-color: var(--pill-color);
}

.all-books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 1.5rem;
}

.all-book-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: transform 0.15s var(--ease);
}
.all-book-card:hover { transform: translateY(-4px); }
.all-book-card:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.all-book-cover-wrap {
  width: 100%;
  aspect-ratio: 2 / 3;
  border-radius: 2px 6px 6px 2px;
  overflow: hidden;
  box-shadow: 2px 4px 12px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.06);
  transition: box-shadow 0.15s var(--ease);
}
.all-book-card:hover .all-book-cover-wrap {
  box-shadow: 4px 8px 24px rgba(0,0,0,0.18), 0 0 0 1px rgba(0,0,0,0.08);
}

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

.all-book-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  text-align: center;
}
.all-book-placeholder span {
  font-family: var(--font);
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 1.3;
  color: rgba(248,250,252,0.85);
}

.all-book-info {
  padding: 0.5rem 0.25rem 0;
}

.all-book-title {
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 2px;
}

.all-book-author {
  font-size: 0.7rem;
  color: var(--c-text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Scrollbar (global) ──────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: rgba(22,60,37,0.35); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(22,60,37,0.6); }