:root {
  --white: #ffffff;
  --sky: #eaf5ff;
  --ink: #14213d;
  --sunshine: #ffc933;
  --coral: #ff6b6b;
  --violet: #7b61ff;
  --mint: #3ddc97;
  --muted: #4a5568;
  --radius: 14px;
  --font-display: 'Fredoka', 'Trebuchet MS', system-ui, sans-serif;
  --font-body: 'Nunito Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

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

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
}

h1,
h2,
.brand {
  font-family: var(--font-display);
  line-height: 1.2;
}

a {
  color: var(--ink);
}

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

.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  background: var(--white);
  padding: 0.5rem 1rem;
  z-index: 10;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.site-header,
.site-footer,
main {
  max-width: 62rem;
  margin: 0 auto;
  padding: 1rem;
}
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.brand {
  font-size: 1.4rem;
  text-decoration: none;
  font-weight: 600;
}
.site-header nav a {
  display: inline-block;
  min-height: 44px;
  line-height: 44px;
  margin-left: 1rem;
}
.site-footer {
  border-top: 1px solid var(--sky);
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 3rem;
}

.hero {
  background: var(--sky);
  border-radius: var(--radius);
  padding: 2rem 1rem;
  text-align: center;
}
.hero h1 {
  font-size: clamp(1.9rem, 6vw, 2.8rem);
  margin: 0 0 1.5rem;
}

.chips {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 0.75rem;
}
.chip {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 5.5rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink);
}
.chip span {
  font-family: var(--font-body);
  font-size: 0.85rem;
}
.chip-sunshine {
  background: var(--sunshine);
}
.chip-coral {
  background: var(--coral);
}
.chip-violet {
  /* Darker than --violet so white text passes 4.5:1 contrast. */
  background: #5a43e0;
  color: var(--white);
}
.chip-mint {
  background: var(--mint);
}

.search label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 700;
}
.search input {
  width: 100%;
  max-width: 28rem;
  min-height: 48px;
  padding: 0.5rem 1rem;
  font: inherit;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
}
.results {
  list-style: none;
  padding: 0;
  margin: 0.5rem auto 0;
  max-width: 28rem;
  text-align: left;
}
.results a {
  display: block;
  padding: 0.6rem 1rem;
  min-height: 44px;
}

.cards {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
}
.card {
  border: 1px solid var(--sky);
  border-radius: var(--radius);
  background: var(--white);
}
.card-link {
  display: flex;
  gap: 1rem;
  padding: 0.75rem;
  text-decoration: none;
}
.card img {
  width: 80px;
  height: 120px;
  object-fit: cover;
  border-radius: 6px;
  background: var(--sky);
  flex: none;
}
.card-text {
  display: flex;
  flex-direction: column;
}
.reason {
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

.muted {
  color: var(--muted);
}
.small {
  font-size: 0.85rem;
}
.lede {
  font-size: 1.15rem;
}
.prose {
  max-width: 65ch;
}

.book-head {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 40rem) {
  .book-head {
    grid-template-columns: 200px 1fr;
  }
}
.cover {
  width: 200px;
  height: 300px;
  object-fit: cover;
  border-radius: 8px;
  background: var(--sky);
}
.byline {
  font-size: 1.2rem;
  margin: 0;
}
.read-if {
  background: var(--sky);
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
  margin: 1.5rem 0;
}

.tags {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tag {
  background: var(--sky);
  border-radius: 999px;
  padding: 0.15rem 0.8rem;
  font-size: 0.9rem;
}
.tag-mood {
  background: var(--sunshine);
}
.tag-warn {
  background: #ffe3e3;
}

table {
  width: 100%;
  border-collapse: collapse;
}
th,
td {
  text-align: left;
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid var(--sky);
}
.group th {
  background: var(--sky);
  font-family: var(--font-display);
}
.btn {
  display: inline-block;
  min-height: 44px;
  padding: 0.55rem 1rem;
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
}
.btn-library {
  background: var(--mint);
  color: var(--ink);
}
[hidden] {
  display: none !important;
}
.btn-ghost {
  background: var(--white);
  color: var(--ink);
  border: 2px solid var(--ink);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}
.share-preview {
  display: block;
  width: 270px;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--sky);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}
.badge {
  background: var(--mint);
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 700;
}
.series {
  list-style: none;
  padding: 0;
}
.series [aria-current] {
  font-weight: 700;
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}