/* Responsibility: Style reusable cards, forms, covers, progress, and page sections. */
/* Architecture: Component layer shared by every server-rendered ReadOrbit page. */
.eyebrow { margin-bottom: .65rem; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.lede { max-width: 650px; font-size: clamp(1.05rem, 2vw, 1.3rem); }
.hero { min-height: 650px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); align-items: center; gap: 3rem; }
.hero-copy { position: relative; z-index: 2; }
.hero h1 { margin-bottom: 1.5rem; }
.search { display: flex; max-width: 650px; margin-top: 2rem; padding: 6px; border: 1px solid var(--line); border-radius: 999px; background: color-mix(in srgb, var(--surface) 90%, transparent); box-shadow: 0 25px 70px #0007; }
.search input { border: 0; background: transparent; padding-inline: 1.1rem; }
.search button { min-width: 110px; }
.search.wide { max-width: none; padding: 1rem; border-radius: var(--radius); display: grid; grid-template-columns: minmax(220px, 2fr) repeat(4, minmax(110px, 1fr)) auto; align-items: end; gap: 1rem; }
.search.wide label { display: grid; gap: .45rem; color: var(--muted); font-size: .75rem; }
.search.wide input { min-height: 44px; border: 1px solid var(--line); background: #0b101b; }
.search.wide button { min-height: 44px; }
.orbit-art { position: relative; aspect-ratio: 1; border: 1px solid #8ee8d12b; border-radius: 50%; animation: drift 16s ease-in-out infinite; }
.orbit-art::before, .orbit-art::after { content: ""; position: absolute; inset: 13%; border: 1px solid #8ee8d142; border-radius: 50%; transform: rotate(58deg) scaleY(.35); }
.orbit-art::after { inset: 30%; border-color: #f2a66f55; transform: rotate(-38deg) scaleY(.42); }
.planet { position: absolute; width: 42%; aspect-ratio: 1; top: 29%; left: 29%; border-radius: 50%; background: radial-gradient(circle at 32% 28%, #b6f3e5, #438c91 38%, #152535 70%); box-shadow: 0 0 80px #72d9c445; }
.moon { position: absolute; width: 5%; aspect-ratio: 1; top: 17%; left: 72%; border-radius: 50%; background: var(--warm); box-shadow: 0 0 24px #f2a66f99; }
@keyframes drift { 50% { transform: translateY(-12px) rotate(2deg); } }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 2rem; margin-top: 3rem; margin-bottom: 1.6rem; }
.section-head h2 { margin-bottom: 0; }
.section-head > a { color: var(--accent); }
.book-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1rem, 2.5vw, 2rem); }
.book-card { min-width: 0; }
.cover { display: grid; place-items: center; overflow: hidden; border-radius: 9px; background: linear-gradient(145deg, #1a2336, #0c101a); color: var(--muted); box-shadow: 0 18px 45px #0008; text-decoration: none; }
.book-card .cover { aspect-ratio: 2 / 3; margin-bottom: 1.1rem; transition: transform .25s ease, box-shadow .25s ease; }
.book-card .cover:hover { transform: translateY(-6px); box-shadow: 0 25px 60px #000c; }
.cover img { width: 100%; height: 100%; object-fit: cover; }
.book-card h3 { margin-bottom: .45rem; }
.book-card h3 a { text-decoration: none; }
.book-card p { margin-bottom: 0; font-size: .9rem; }
.book-year { color: var(--warm) !important; font-size: .7rem !important; letter-spacing: .12em; text-transform: uppercase; }
.page-intro { padding-top: 7rem; padding-bottom: 3rem; }
.page-intro h1 { margin-bottom: 1.5rem; font-size: clamp(3.5rem, 7vw, 6rem); }
.panel { border: 1px solid var(--line); border-radius: var(--radius); background: color-mix(in srgb, var(--surface) 92%, transparent); padding: clamp(1.2rem, 3vw, 2.2rem); }
.panel-section + .panel-section { margin-top: clamp(1rem, 2vw, 1.5rem); }
.split { display: grid; grid-template-columns: .65fr 1.35fr; gap: 3rem; align-items: start; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.stacked-form { display: grid; gap: 1rem; }
.form-grid label, .stacked-form label { display: grid; gap: .45rem; color: var(--muted); font-size: .85rem; }
.form-grid button { align-self: end; }
.stacked-form button { justify-self: start; }
.check { display: flex !important; grid-template-columns: auto 1fr; align-items: center; }
.check input { width: auto; }
.empty { grid-column: 1 / -1; padding: 4rem; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); }
.empty h3 { font-size: 1.8rem; }
.pagination { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.5rem; }
.button.secondary { border: 1px solid var(--line); background: var(--surface); color: var(--ink); }

@media (max-width: 900px) {
  .hero { min-height: 580px; grid-template-columns: 1fr; }
  .orbit-art { position: absolute; width: 45vw; right: -8vw; opacity: .5; }
  .book-grid { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 1fr; gap: 1rem; }
  .search.wide { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .search.wide button { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .hero { min-height: 540px; }
  .book-grid { grid-template-columns: repeat(2, 1fr); }
  .search button { min-width: auto; }
  .form-grid { grid-template-columns: 1fr; }
  .search.wide { grid-template-columns: 1fr; }
  .empty { padding: 2.5rem 1rem; }
}