:root {
  --bg: #08070a;
  --panel: rgba(255, 248, 234, 0.07);
  --panel-strong: rgba(255, 248, 234, 0.12);
  --text: #fff4df;
  --muted: #c8bca7;
  --gold: #d8b35f;
  --gold-bright: #f4d78b;
  --red: #7c1f2a;
  --green: #9dbb8f;
  --line: rgba(244, 215, 139, 0.2);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  --radius: 8px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(
      circle at 50% -10%,
      rgba(244, 215, 139, 0.18),
      transparent 28rem
    ),
    radial-gradient(
      circle at 15% 12%,
      rgba(124, 31, 42, 0.34),
      transparent 26rem
    ),
    radial-gradient(
      circle at 85% 18%,
      rgba(58, 43, 86, 0.24),
      transparent 25rem
    ),
    linear-gradient(180deg, #12070b 0%, #08070a 42%, #0d0b10 100%);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Arial,
    sans-serif;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(
      90deg,
      rgba(124, 31, 42, 0.26),
      transparent 18%,
      transparent 82%,
      rgba(124, 31, 42, 0.26)
    ),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.025) 0 1px,
      transparent 1px 84px
    );
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 7, 10, 0.78);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--gold-bright);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  width: 2.45rem;
  height: 2.45rem;
  place-items: center;
  border: 1px solid rgba(244, 215, 139, 0.58);
  border-radius: 50%;
  background:
    radial-gradient(
      circle at 35% 25%,
      rgba(244, 215, 139, 0.24),
      transparent 38%
    ),
    rgba(255, 248, 234, 0.06);
  color: var(--text);
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--gold-bright);
}

.hero {
  position: relative;
  padding: clamp(3.4rem, 8vw, 6.4rem) 0 clamp(1.8rem, 4vw, 2.8rem);
}

.hero::after {
  content: "";
  display: block;
  width: min(100%, var(--max-width));
  height: 1px;
  margin: clamp(2rem, 5vw, 4rem) auto 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(244, 215, 139, 0.48),
    transparent
  );
}

.eyebrow,
.field span {
  margin: 0 0 0.65rem;
  color: var(--gold-bright);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 900px;
  margin-bottom: 0.85rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0.35rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0;
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.15;
}

.hero-text,
.section-text {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.13rem);
}

.book-card,
.author-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(
      180deg,
      rgba(255, 248, 234, 0.09),
      rgba(255, 248, 234, 0.035)
    ),
    var(--panel);
  box-shadow: var(--shadow);
}

section {
  padding: clamp(2.5rem, 6vw, 4rem) 0;
}

.section-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: end;
  margin-bottom: 1.35rem;
}

.section-top.simple {
  grid-template-columns: 1fr;
}

.library-tools {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 7, 10, 0.42);
}

.field {
  display: block;
}

.field span {
  display: block;
}

.field input,
.field select {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid rgba(244, 215, 139, 0.2);
  border-radius: var(--radius);
  outline: none;
  color: var(--text);
  background: rgba(255, 248, 234, 0.08);
}

.field select option {
  color: #18120d;
}

.field input::placeholder {
  color: rgba(200, 188, 167, 0.7);
}

.field input:focus,
.field select:focus {
  border-color: var(--gold-bright);
  box-shadow: 0 0 0 3px rgba(244, 215, 139, 0.12);
}

.results-line {
  min-height: 1.5rem;
  margin-bottom: 0.8rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.book-card {
  display: flex;
  min-width: 0;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  text-decoration: none;
  transition:
    transform 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease;
}

.book-card:hover,
.book-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(244, 215, 139, 0.56);
  background:
    linear-gradient(
      180deg,
      rgba(255, 248, 234, 0.13),
      rgba(255, 248, 234, 0.05)
    ),
    var(--panel-strong);
}

.cover {
  position: relative;
  display: grid;
  min-height: 18rem;
  aspect-ratio: 2 / 3;
  place-items: end center;
  padding: 1.1rem;
  overflow: hidden;
  text-align: center;
  background: #182334;
}

.cover::after {
  content: "";
  position: absolute;
  inset: 0.75rem;
  border: 1px solid rgba(255, 248, 234, 0.28);
  pointer-events: none;
}

.cover::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, transparent 36%, rgba(0, 0, 0, 0.62));
  pointer-events: none;
}

.cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cover-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: end center;
  padding: 1.2rem;
  background: linear-gradient(145deg, #2b1420, #7c1f2a, #0c090d);
}

.cover-title {
  position: relative;
  z-index: 2;
  color: white;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.18rem, 2.4vw, 1.68rem);
  line-height: 1.05;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.9);
}

.cover-title small {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--gold-bright);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Arial,
    sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.book-info {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.1rem;
}

.book-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 1.55rem;
  padding: 0.25rem 0.5rem;
  border: 1px solid rgba(244, 215, 139, 0.2);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 248, 234, 0.045);
  font-size: 0.72rem;
  line-height: 1;
}

.chip.available {
  color: #17200f;
  border-color: transparent;
  background: var(--green);
}

.chip.coming {
  color: #2a1607;
  border-color: transparent;
  background: var(--gold);
}

.book-info p,
.author-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.open-row {
  margin-top: auto;
  color: var(--gold-bright);
  font-size: 0.86rem;
  font-weight: 800;
}

.empty-state {
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: var(--panel);
}

.author-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.author-card {
  padding: 1.1rem;
}

.author-card strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 800;
}

.site-footer {
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

[hidden] {
  display: none !important;
}

@media (max-width: 1050px) {
  .section-top {
    grid-template-columns: 1fr;
  }

  .book-grid {
    grid-template-columns: 1fr;
  }

  .book-card {
    display: grid;
    grid-template-columns: minmax(150px, 230px) minmax(0, 1fr);
  }

  .cover {
    min-height: 100%;
    aspect-ratio: auto;
  }

  .author-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 1.25rem, var(--max-width));
  }

  .site-header {
    position: static;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem 0;
  }

  h1 {
    font-size: clamp(3rem, 17vw, 4.8rem);
  }

  .book-card {
    display: flex;
  }

  .cover {
    min-height: auto;
    aspect-ratio: 2 / 3;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(100% - 1rem, var(--max-width));
  }

  .brand {
    font-size: 0.76rem;
  }

  .nav-links {
    font-size: 0.86rem;
  }

  .author-grid {
    grid-template-columns: 1fr;
  }
}

/* Catalog controls and accessible navigation */
html {
  scroll-padding-top: 6rem;
}
.field {
  min-width: 0;
}
.hero h1 {
  font-size: clamp(2.7rem, 6.5vw, 5.5rem);
  line-height: 1.05;
}
.hero-text {
  max-width: 38rem;
}
.results-bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}
#reset-filters {
  color: var(--gold-bright);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}
.cover img {
  z-index: 3;
}
:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 4px;
}
.skip-link {
  position: fixed;
  top: -10rem;
  left: 1rem;
  z-index: 100;
  padding: 0.8rem;
  background: var(--bg);
}
.skip-link:focus {
  top: 1rem;
}
@media (max-width: 760px) {
  .library-tools {
    grid-template-columns: 1fr;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .book-card {
    transition: none;
  }
  .book-card:hover,
  .book-card:focus-visible {
    transform: none;
  }
}