:root {
  /* Jessica Kantor Brand Kit — Issue 01 · 2025 */
  --bone: #F4EFE7;
  --ink: #141313;
  --velvet: #2A1118;
  --ash: #A7A09A;
  --flashbulb: #E7DFD0;
  --oxblood: #8F1D2C;

  --paper: var(--bone);
  --paper-alt: var(--flashbulb);
  --line: var(--flashbulb);
  --muted: var(--ash);
  --accent: var(--oxblood);
  --accent-soft: var(--flashbulb);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Libre Baskerville', Georgia, serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', monospace;
  --font-ui: 'Inter', -apple-system, sans-serif;

  font-family: var(--font-body);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
}

header.site {
  padding: 2.5rem 1.5rem 1.5rem;
  text-align: center;
  border-bottom: 2px solid var(--oxblood);
  background: var(--paper);
}

header.site h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 2.8rem;
  letter-spacing: 0.01em;
}

header.site h1 a {
  color: var(--ink);
  text-decoration: none;
}

.wordmark-sep {
  color: var(--oxblood);
  font-size: 0.5em;
  margin: 0 0.2em;
  vertical-align: middle;
}

header.site p.tagline {
  margin: 0.6rem 0 0;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.7rem;
  color: var(--muted);
}

nav.site {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-top: 1.1rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
}

nav.site a {
  white-space: nowrap;
}

nav.site a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

nav.site a.active,
nav.site a:hover {
  border-bottom-color: var(--oxblood);
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.lede {
  font-family: var(--font-body);
  color: var(--muted);
  max-width: 60ch;
}

.tag-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

fieldset.tag-category {
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0.9rem 1rem 1.1rem;
  background: var(--bone);
}

fieldset.tag-category legend {
  font-family: var(--font-mono);
  font-weight: 500;
  padding: 0 0.4rem;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--oxblood);
}

.tag-option {
  display: block;
  font-family: var(--font-body);
  margin: 0.4rem 0;
  font-size: 0.92rem;
}

.tag-option input {
  margin-right: 0.5rem;
}

.actions-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

button, .btn {
  font-family: var(--font-ui);
  font-weight: 500;
  border: none;
  border-radius: 0;
  padding: 0.65rem 1.3rem;
  font-size: 0.9rem;
  cursor: pointer;
  background: var(--oxblood);
  color: var(--bone);
}

button.secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}

button:disabled {
  background: var(--flashbulb);
  color: var(--muted);
  cursor: not-allowed;
}

button:hover, .btn:hover {
  opacity: 0.85;
}

.results-count {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-size: 0.75rem;
}

.book-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.book-card {
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--bone);
  padding: 1.1rem 1.3rem;
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.book-card:hover {
  border-color: var(--ash);
}

.cover-slot {
  flex: 0 0 66px;
  width: 66px;
  min-height: 96px;
  background: var(--flashbulb);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cover-slot .cover {
  width: 100%;
  height: auto;
  display: block;
}

.cover-slot.cover-fallback::after {
  content: "◆";
  color: var(--ash);
  font-size: 1.2rem;
}

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

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-self: center;
  flex: 0 0 auto;
}

.book-card h3 {
  margin: 0 0 0.15rem;
  font-size: 1.3rem;
}

.book-card .author {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.similar-books {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.7rem 0 0;
}

.similar-books strong {
  color: var(--ink);
  font-weight: 400;
  font-style: italic;
}

.similar-books a {
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.similar-books a:hover strong {
  color: var(--oxblood);
}

.match-badge {
  display: inline-block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--oxblood);
  color: var(--bone);
  border-radius: 0;
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 500;
  margin: 0 0.4rem 0.5rem 0;
}

.book-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  max-width: 480px;
}

.chip {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.65rem;
  background: var(--flashbulb);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0.2rem 0.55rem;
  color: var(--ink);
}

.chip.matched {
  background: var(--oxblood);
  color: var(--bone);
  border-color: var(--oxblood);
}

/* Match reasons: the lead reason gets solid emphasis, the rest are quiet tints
   so a card with several reasons reads calm instead of loud. */
.chip.reason {
  background: transparent;
  border-color: var(--ash);
  color: var(--muted);
}

.chip.reason-lead {
  background: var(--oxblood);
  border-color: var(--oxblood);
  color: var(--bone);
}

.buy-btn {
  align-self: center;
  background: var(--oxblood);
  color: var(--bone);
  white-space: nowrap;
  text-decoration: none;
  display: inline-block;
}

.empty-state {
  font-family: var(--font-body);
  font-style: italic;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-self: center;
}

.save-btn {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
  white-space: nowrap;
}

.save-btn.saved {
  background: var(--oxblood);
  color: var(--bone);
  border-color: var(--oxblood);
}

.save-btn:disabled {
  opacity: 0.5;
  cursor: wait;
}

.shelf-meta {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.68rem;
  color: var(--muted);
  margin: 0 0 0.35rem;
}

.shelf-card {
  align-items: stretch;
}

.shelf-card-main {
  flex: 1;
  min-width: 0;
}

.shelf-toggles {
  display: flex;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.shelf-check {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}

.reflection {
  width: 100%;
  padding: 0.5rem 0.6rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  border: 1px solid var(--line);
  background: var(--bone);
  resize: vertical;
  margin-top: 0.25rem;
}

.reflection-status {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.62rem;
  color: var(--muted);
}

.shelf-filter {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 0.4rem 0.9rem;
  cursor: pointer;
}

.shelf-filter.active {
  background: var(--oxblood);
  color: var(--bone);
  border-color: var(--oxblood);
}

form.cms-form input[type="text"],
form.cms-form input[type="url"],
form.cms-form input[type="password"],
form.cms-form textarea,
#candidate-input {
  width: 100%;
  padding: 0.6rem 0.7rem;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--bone);
  color: var(--ink);
}

form.cms-form label.field-label {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 1.1rem 0 0.35rem;
  color: var(--ink);
}

.status-message {
  font-family: var(--font-ui);
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 0;
  font-size: 0.88rem;
  border: 1px solid;
}

.status-message.success {
  background: var(--bone);
  border-color: #4a5d3f;
  color: #3a4a32;
}

.status-message.error {
  background: var(--bone);
  border-color: var(--oxblood);
  color: var(--oxblood);
}

.book-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.book-table th, .book-table td {
  text-align: left;
  padding: 0.6rem 0.6rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.book-table th {
  font-family: var(--font-mono);
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  font-weight: 500;
}

.delete-link {
  font-family: var(--font-ui);
  color: var(--oxblood);
  cursor: pointer;
  background: none;
  border: none;
  font-size: 0.82rem;
  padding: 0;
  text-decoration: underline;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--flashbulb);
  padding: 0.1em 0.35em;
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 4rem;
  padding: 2.5rem 1.5rem 3rem;
  background: var(--flashbulb);
}

.footer-feedback {
  max-width: 640px;
  margin: 0 auto;
}

.footer-feedback textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  border: 1px solid var(--line);
  background: var(--bone);
  resize: vertical;
}

.footer-feedback input[type="email"] {
  padding: 0.6rem 0.7rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  border: 1px solid var(--line);
  background: var(--bone);
  flex: 1;
  min-width: 180px;
}

.feedback-thanks {
  max-width: 640px;
  margin: 0 auto;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent);
  text-align: center;
  padding: 0.5rem 0;
}

.footer-meta {
  max-width: 640px;
  margin: 2rem auto 0;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.68rem;
  color: var(--muted);
  text-align: center;
}

/* ---- Search page v2: goal segments, refine, sticky bar, summary, skeleton ---- */

main {
  padding-bottom: 6rem; /* clear the sticky find bar */
}

.goal-segments {
  display: flex;
  gap: 0;
  border: 1px solid var(--line);
  width: fit-content;
  max-width: 100%;
  flex-wrap: wrap;
  margin: 0.35rem 0 0.5rem;
}

.goal-seg {
  position: relative;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
  border-right: 1px solid var(--line);
  white-space: nowrap;
}

.goal-seg:last-child { border-right: none; }

.goal-seg input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.goal-seg:has(input:checked) {
  background: var(--oxblood);
  color: var(--bone);
}

.refine {
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--line);
  padding-top: 0.5rem;
}

.refine > summary {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  color: var(--oxblood);
  cursor: pointer;
  padding: 0.5rem 0;
  list-style: none;
}

.refine > summary::-webkit-details-marker { display: none; }

.refine > summary::before {
  content: "+ ";
  font-weight: 700;
}

.refine[open] > summary::before {
  content: "– ";
}

.refine-hint {
  color: var(--muted);
  text-transform: none;
  letter-spacing: 0;
}

.find-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 0.7rem 1.25rem;
  background: var(--bone);
  border-top: 1px solid var(--line);
}

.find-bar .results-count {
  margin-right: auto;
}

.find-bar #find-btn {
  font-size: 0.95rem;
  padding: 0.6rem 1.6rem;
}

.search-summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.5rem;
}

.summary-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  flex: 1;
}

.search-summary button {
  flex: 0 0 auto;
}

/* Skeleton loading state */
.book-card.skeleton {
  pointer-events: none;
}

.skel-box, .skel-line {
  background: linear-gradient(90deg, var(--flashbulb) 25%, #efe7d8 50%, var(--flashbulb) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.3s infinite;
}

.skel-box {
  width: 66px;
  height: 96px;
}

.skel-line {
  height: 0.7rem;
  margin-bottom: 0.6rem;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (max-width: 620px) {
  .book-card { flex-wrap: wrap; }
  .card-actions {
    flex-direction: row;
    width: 100%;
    align-self: stretch;
  }
  .card-actions .btn, .card-actions .save-btn { flex: 1; text-align: center; }

  /* Goal segments: stack full-width instead of wrapping 2+1 awkwardly. */
  .goal-segments { width: 100%; flex-direction: column; }
  .goal-seg { border-right: none; border-bottom: 1px solid var(--line); text-align: center; }
  .goal-seg:last-child { border-bottom: none; }
}

/* ---- Beta badge, legal footer, affiliate disclosure ---- */

.beta-badge {
  display: inline-block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.66rem;
  color: var(--bone);
  background: var(--oxblood);
  padding: 0.28rem 0.6rem;
  margin-bottom: 0.75rem;
}

.footer-legal {
  max-width: 640px;
  margin: 0.75rem auto 0;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.8rem;
}

.footer-legal a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.footer-legal a:hover { color: var(--accent); }

.footer-disclosure {
  max-width: 560px;
  margin: 0.6rem auto 0;
  text-align: center;
  font-family: var(--font-ui);
  font-size: 0.74rem;
  line-height: 1.5;
  color: var(--muted);
}

/* Short affiliate note shown alongside purchase links in results. */
.affiliate-note {
  font-family: var(--font-ui);
  font-size: 0.74rem;
  color: var(--muted);
  margin: 0.25rem 0 1rem;
}

/* ---- Legal / long-form content pages (terms, privacy) ---- */

/* ---- Admin CMS: quick-nav, panels, beta-user rows ---- */

.cms-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  padding: 0.75rem 0 1.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}
.cms-nav a {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  color: var(--oxblood);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.cms-nav a:hover { border-bottom-color: var(--oxblood); }

.cms-panel {
  background: var(--flashbulb);
  border: 1px solid var(--line);
  padding: 1.25rem 1.5rem 1.5rem;
}

.beta-user-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.75rem;
  background: var(--bone);
  border: 1px solid var(--line);
  margin-bottom: 0.4rem;
}
.beta-user-email {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  word-break: break-all;
}
.beta-user-row .secondary { padding: 0.3rem 0.7rem; font-size: 0.75rem; }
.beta-row-actions { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.beta-row-status { font-size: 0.72rem; white-space: nowrap; }

.activity-card { background: var(--bone); border: 1px solid var(--line); padding: 0.75rem 1rem; margin-bottom: 0.6rem; }
.activity-head { display: flex; flex-wrap: wrap; gap: 0.25rem 0.75rem; align-items: baseline; justify-content: space-between; }
.activity-items { margin: 0.5rem 0 0; padding-left: 1.1rem; font-family: var(--font-body); font-size: 0.85rem; line-height: 1.5; }
.activity-flag { color: var(--accent); font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; }
.buy-flag { font-family: var(--font-mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }

/* Brand styling for inline prose links (keeps default blue off the page). */
.lede a, .legal-page a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

.legal-page { max-width: 680px; }
.legal-page h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 2rem 0 0.5rem;
}
.legal-page p, .legal-page li {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.7;
}
.legal-page ul { padding-left: 1.2rem; }
.legal-page .legal-updated {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.7rem;
  color: var(--muted);
}
.legal-page .legal-note {
  border-left: 2px solid var(--line);
  padding: 0.5rem 0 0.5rem 1rem;
  font-style: italic;
  color: var(--muted);
}

/* ---- Collapsible search accordion (mobile-first) ---- */
#tag-accordion { margin-top: 1.5rem; }

.accordion-group-label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.7rem;
  color: var(--oxblood);
  margin: 1.75rem 0 0.6rem;
}
.accordion-group-label:first-child { margin-top: 0; }

.tag-cat {
  border: 1px solid var(--line);
  background: var(--bone);
  margin-bottom: 0.5rem;
}
.tag-cat[open] { background: var(--flashbulb); box-shadow: inset 3px 0 0 var(--oxblood); }
.tag-cat-head:focus-visible { outline: 2px solid var(--oxblood); outline-offset: -2px; }

.tag-cat-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--ink);
}
.tag-cat-head::-webkit-details-marker { display: none; }
.tag-cat-name { flex: 1; }

.tag-cat-count {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 1.35rem;
  height: 1.35rem;
  padding: 0 0.4rem;
  border-radius: 999px;
  background: var(--oxblood);
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}
.tag-cat-count.has { display: inline-flex; }

.tag-cat-chevron {
  flex-shrink: 0;
  width: 0.6rem;
  height: 0.6rem;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.15s ease;
  margin-top: -0.25rem;
}
.tag-cat[open] .tag-cat-chevron { transform: rotate(-135deg); margin-top: 0.1rem; }

.tag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0 1rem 1rem;
}

.chip-toggle {
  position: relative;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line);
  background: var(--bone);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: background 0.1s, color 0.1s, border-color 0.1s;
}
.chip-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.chip-toggle:hover { border-color: var(--oxblood); background: var(--flashbulb); }
.chip-toggle:focus-within { outline: 2px solid var(--oxblood); outline-offset: 2px; }
.chip-toggle:has(input:checked) {
  background: var(--oxblood);
  color: var(--bone);
  border-color: var(--oxblood);
  box-shadow: 0 1px 0 rgba(20, 19, 19, 0.15);
}
.chip-any:has(input:checked) { background: var(--ink); border-color: var(--ink); }

@media (max-width: 620px) {
  .tag-cat-head { font-size: 1.1rem; padding: 0.95rem; }
  .chip-toggle { font-size: 0.92rem; padding: 0.6rem 0.9rem; }
  .tag-chips { gap: 0.45rem; padding: 0 0.95rem 1rem; }
}

/* ============================================================
   Neo-skeuomorphic texture layer (2026) — paper grain, letterpress
   depth, and pressable tactile surfaces. Pure CSS, no image assets.
   ============================================================ */

/* Fractal-noise paper grain. Defined once, applied to the page and every major
   surface so the whole app reads as textured paper, not just the margins. */
:root {
  --paper-grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E");
}
body {
  background-color: var(--bone);
  /* grain + a soft warm vignette for depth toward the edges */
  background-image:
    radial-gradient(140% 120% at 50% 0%, rgba(255, 255, 255, 0.35) 0%, rgba(255, 255, 255, 0) 40%),
    radial-gradient(120% 100% at 50% 120%, rgba(42, 17, 24, 0.06) 0%, rgba(42, 17, 24, 0) 55%),
    var(--paper-grain);
  background-attachment: fixed, fixed, fixed;
}

/* Grain on the surfaces themselves (color preserved from their own rules). */
header.site,
.site-footer,
.book-card,
.tag-cat,
.cms-panel,
.legal-page {
  background-image: var(--paper-grain);
}

/* Letterpress — headings feel pressed into the paper. */
header.site h1 a,
main h2,
.tag-cat-head,
.feedback-thanks,
.legal-page h2 {
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.65), 0 -1px 1px rgba(20, 19, 19, 0.05);
}

/* Tactile chips — raised, pressable tabs with a top highlight. */
.chip-toggle {
  background: linear-gradient(180deg, #FBF8F2 0%, var(--bone) 100%);
  border-color: #D8CEBE;
  box-shadow: 0 1px 2px rgba(20, 19, 19, 0.09), inset 0 1px 0 rgba(255, 255, 255, 0.75);
  transition: transform 0.06s ease, box-shadow 0.1s ease, background 0.1s, color 0.1s, border-color 0.1s;
}
.chip-toggle:hover {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--flashbulb) 100%);
  border-color: var(--oxblood);
}
.chip-toggle:active { transform: translateY(1px); box-shadow: inset 0 1px 2px rgba(20, 19, 19, 0.18); }
.chip-toggle:has(input:checked) {
  background: linear-gradient(180deg, #A62838 0%, var(--oxblood) 90%);
  color: var(--bone);
  border-color: #6E1622;
  box-shadow: 0 2px 5px rgba(143, 29, 44, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.22);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.25);
}
.chip-any:has(input:checked) {
  background: linear-gradient(180deg, #2E2A2A 0%, var(--ink) 90%);
  border-color: #000;
}

/* Accordion panels sit on the paper with a soft, real shadow. */
.tag-cat {
  box-shadow: 0 1px 2px rgba(20, 19, 19, 0.06);
  border-color: #DCD3C4;
}
.tag-cat[open] {
  box-shadow: inset 3px 0 0 var(--oxblood), 0 2px 8px rgba(20, 19, 19, 0.08);
}

/* Goal segmented control — engraved track, raised active segment. */
.goal-segments {
  background: linear-gradient(180deg, var(--flashbulb), #EAE1D2);
  box-shadow: inset 0 1px 3px rgba(20, 19, 19, 0.12);
  border-color: #D8CEBE;
  padding: 3px;
  gap: 3px;
}
.goal-seg { border-right: none; transition: transform 0.06s, box-shadow 0.1s; }
.goal-seg:has(input:checked) {
  background: linear-gradient(180deg, #A62838 0%, var(--oxblood) 90%);
  box-shadow: 0 1px 3px rgba(143, 29, 44, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.25);
}

/* Buttons — embossed, depress on press. */
button, .btn {
  box-shadow: 0 2px 4px rgba(20, 19, 19, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transition: transform 0.06s ease, box-shadow 0.1s ease, background 0.12s;
}
button:active, .btn:active { transform: translateY(1px); box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.28); }
button.secondary, .save-btn {
  background: linear-gradient(180deg, #FBF8F2, var(--bone));
  box-shadow: 0 1px 2px rgba(20, 19, 19, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

/* Book cover cards — lifted off the page like a shelf. */
.book-card {
  box-shadow: 0 2px 6px rgba(20, 19, 19, 0.09), 0 1px 2px rgba(20, 19, 19, 0.06);
}
.cover-slot, .book-card .cover {
  box-shadow: 0 2px 5px rgba(20, 19, 19, 0.22);
}

/* Sticky find bar — a solid raised ledge over the page. */
.find-bar {
  box-shadow: 0 -2px 10px rgba(20, 19, 19, 0.1);
  border-top: 1px solid #D8CEBE;
}

/* Shelf-specific tactile controls — bring the shelf in line with the search UI. */

/* Custom pressable checkboxes for Purchased / Read. */
.shelf-check input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 1.15rem;
  height: 1.15rem;
  margin: 0 0.4rem 0 0;
  vertical-align: -0.22rem;
  cursor: pointer;
  position: relative;
  border: 1px solid #C9BCA6;
  background: linear-gradient(180deg, #FBF8F2, var(--bone));
  box-shadow: inset 0 1px 2px rgba(20, 19, 19, 0.14);
  transition: background 0.1s, box-shadow 0.1s, border-color 0.1s;
}
.shelf-check input[type="checkbox"]:checked {
  background: linear-gradient(180deg, #A62838, var(--oxblood));
  border-color: #6E1622;
  box-shadow: 0 1px 2px rgba(143, 29, 44, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.shelf-check input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 0.34rem;
  top: 0.12rem;
  width: 0.28rem;
  height: 0.55rem;
  border: solid var(--bone);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.shelf-check input[type="checkbox"]:focus-visible { outline: 2px solid var(--oxblood); outline-offset: 2px; }

/* Reflection box — recessed into the card like a pressed-in field. */
textarea.reflection {
  background: #FBF8F2;
  border: 1px solid #D8CEBE;
  box-shadow: inset 0 1px 3px rgba(20, 19, 19, 0.1);
}
textarea.reflection:focus { outline: none; border-color: var(--oxblood); box-shadow: inset 0 1px 3px rgba(20, 19, 19, 0.12), 0 0 0 2px rgba(143, 29, 44, 0.15); }

/* Genre chips — subtle debossed tactility (read-only labels). */
.book-card .chip {
  border: 1px solid #DCD3C4;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
}