:root {
  --bg: #131516;
  --bg-muted: #1a1c1e;
  --bg-elevated: #1f2225;
  --bg-hover: #282c30;
  --bg-zebra: #181a1c;
  --text: #d8d4cf;
  --body: #bdbdbd;
  --muted: #9a9690;
  --faint: #6e6a65;
  --border: #3a3e42;
  --border-soft: #2c3033;
  --accent: #781f33;
  --accent-ink: #d8d4cf;
  --input-bg: #0d0e0f;
  --input-border: #45494d;
  --error: #c97a7a;
  --ok: #9bc4a8;
  --font: "Fira Sans", system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --max: 56rem;
  --radius: 2px;
}

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

html {
  font-size: 17px;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--text);
  text-decoration: none;
}

a:hover {
  opacity: 0.7;
}

h1,
h2,
h3 {
  margin: 0 0 0.5rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}

h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h2 {
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

p {
  margin: 0 0 1rem;
  color: var(--body);
}

.site-header {
  border-bottom: 1px dotted #444;
}

.site-header__inner,
.page {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page {
  padding: 1.5rem 0 3rem;
}

.section {
  margin-bottom: 2.5rem;
}

.section__lede {
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.tabs-row {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border);
  margin: 0 0 1.5rem;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
  gap: 0.25rem 0;
  margin: 0;
}

.tabs-row .btn-add {
  flex-shrink: 0;
  margin-bottom: 0.35rem;
}

.tabs__btn {
  font: inherit;
  cursor: pointer;
  color: var(--muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 0.55rem 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
}

.tabs__btn:hover {
  color: var(--text);
}

.tabs__btn[aria-selected="true"] {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.tabs__count {
  font-family: var(--mono);
  font-size: 0.8em;
  color: var(--faint);
  margin-left: 0.2rem;
}

.tab-panel {
  margin-bottom: 2rem;
}

.tab-panel[hidden] {
  display: none;
}

.shelf {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(8rem, 1fr));
  gap: 1.25rem 1rem;
}

.shelf__item {
  min-width: 0;
  height: 100%;
}

.shelf__face {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  height: 100%;
}

.shelf__face .btn-link {
  margin-top: auto;
  align-self: flex-start;
}

.shelf__cover {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 3;
  height: auto;
  object-fit: cover;
  object-position: center top;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  flex-shrink: 0;
}

.shelf__cover--empty {
  border: 1px solid var(--border-soft);
}

.shelf__title {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  min-height: calc(1.3em * 2);
}

.shelf__meta {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
  min-height: 1.3em;
}

.shelf__footer {
  min-height: 1.35rem;
}

.shelf__stats {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  line-height: 1.35;
  min-height: 1.35rem;
}

.shelf__stats-row {
  display: flex;
  flex-wrap: wrap;
  white-space: nowrap;
}

.shelf__stats-row > span + span::before {
  content: "•";
  margin: 0 0.4rem;
  color: var(--faint);
}

.shelf__progress-track {
  position: relative;
  height: 1.35rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.shelf__progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: calc(var(--progress, 0) * 1%);
  max-width: 100%;
  background: var(--accent);
}

.shelf__progress-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  line-height: 1;
}

.flash-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.flash {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-soft);
  color: var(--body);
}

.flash--error {
  color: var(--error);
}

.flash--ok {
  color: var(--ok);
}

.form {
  display: grid;
  gap: 0.75rem;
}

.form--narrow {
  max-width: 22rem;
}

.form--inline {
  grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
  align-items: end;
}

.form label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.form input,
.form select,
.form textarea {
  font: inherit;
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius);
  padding: 0.45rem 0.55rem;
}

.form textarea {
  min-height: 4rem;
  resize: vertical;
}

.form input:focus-visible,
.form select:focus-visible,
.form textarea:focus-visible,
.btn:focus-visible,
.btn-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  grid-column: 1 / -1;
}

.btn {
  font: inherit;
  cursor: pointer;
  color: var(--accent-ink);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 0.45rem 0.9rem;
}

.btn:hover {
  opacity: 0.9;
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn--danger {
  background: transparent;
  color: var(--error);
  border-color: var(--error);
}

.btn-link {
  font: inherit;
  cursor: pointer;
  color: var(--muted);
  background: none;
  border: none;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.btn-link:hover {
  color: var(--text);
}

.btn-add {
  font: inherit;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  color: var(--accent-ink);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  width: 2rem;
  height: 2rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-add:hover {
  opacity: 0.9;
}

.btn-add:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.add-dialog {
  width: min(36rem, calc(100vw - 2rem));
}

.add-search input {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius);
  padding: 0.55rem 0.65rem;
  margin-bottom: 0.65rem;
}

.add-results {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: min(45vh, 22rem);
  overflow: auto;
  margin-bottom: 0.75rem;
}

.add-results__h {
  margin: 0.5rem 0 0.15rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--faint);
}

.add-result {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.65rem;
  align-items: center;
  text-align: left;
  width: 100%;
  padding: 0.4rem;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--bg);
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.add-result:hover,
.add-result:focus-visible {
  border-color: var(--accent);
  outline: none;
  background: var(--bg-hover);
}

.add-result img,
.add-result__ph {
  width: 2.5rem;
  height: 3.6rem;
  object-fit: cover;
  background: var(--bg-elevated);
  border-radius: var(--radius);
}

.add-result__ph {
  display: block;
  border: 1px solid var(--border-soft);
}

.add-result__body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.add-result__title {
  font-weight: 700;
  color: var(--text);
}

.add-result__meta {
  font-size: 0.82rem;
  color: var(--muted);
}

.add-manual {
  border-top: 1px solid var(--border-soft);
  padding-top: 0.75rem;
}

.add-manual summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.add-manual summary:hover {
  color: var(--text);
}

.add-manual[open] summary {
  margin-bottom: 0.85rem;
}

.add-book {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.empty {
  color: var(--faint);
  padding: 0.75rem 0;
  border-top: 1px solid var(--border-soft);
}

.cover-dialog {
  width: min(40rem, calc(100vw - 2rem));
  max-height: min(85vh, 40rem);
  padding: 1rem 1.1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-muted);
  color: var(--text);
}

.cover-dialog::backdrop {
  background: rgba(0, 0, 0, 0.65);
}

.cover-dialog__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 0.75rem;
}

.cover-dialog__title {
  margin: 0;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 400;
}

.cover-dialog__status {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.cover-dialog__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(6.5rem, 1fr));
  gap: 0.75rem;
  overflow: auto;
  max-height: min(60vh, 28rem);
  padding-bottom: 0.25rem;
}

.cover-dialog__opt {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--bg);
  cursor: pointer;
  color: inherit;
  font: inherit;
  text-align: left;
  overflow: hidden;
}

.cover-dialog__opt:hover,
.cover-dialog__opt:focus-visible {
  border-color: var(--accent);
  outline: none;
}

.cover-dialog__opt img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  background: var(--bg-elevated);
}

.cover-dialog__src {
  padding: 0 0.35rem 0.35rem;
  font-size: 0.7rem;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

@media (prefers-reduced-motion: reduce) {
  a,
  .btn {
    transition: none;
  }
}