@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Syne+Mono&display=swap');

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --white:  #FFFFFF;
    --off:    #F7F6F4;
    --ink:    #0A0A0A;
    --mid:    #6B6B6B;
    --faint:  #C4C4C4;
    --rule:   rgba(10,10,10,0.1);
    --accent: #D04E2A;
    --serif:  'Syne', sans-serif;
    --mono:   'Syne Mono', monospace;
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body { background: var(--white); color: var(--ink); font-family: var(--serif); }

/* ── NAV ─────────────────────────────── */

.site-nav {
    position: sticky; top: 0; z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--rule);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2.5rem;
    height: 52px;
}

.nav-logo {
    font-family: var(--serif);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink);
    text-decoration: none;
}

.nav-tagline {
    font-family: var(--mono);
    font-size: 0.6rem;
    color: var(--faint);
    letter-spacing: 0.04em;
}

.nav-right { display: flex; align-items: center; gap: 1.5rem; }

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.06em;
    color: var(--mid);
    text-decoration: none;
    transition: color 0.15s;
}
.back-link:hover { color: var(--ink); }

/* ── HERO ────────────────────────────── */

.index-hero {
    padding: 5rem 2.5rem 4rem;
    border-bottom: 1px solid var(--rule);
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 4rem;
    align-items: end;
}

.hero-title {
    font-size: clamp(3.5rem, 7vw, 7rem);
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: -0.03em;
    color: var(--ink);
}

.hero-title em {
    font-style: italic;
    font-weight: 400;
    color: var(--accent);
}

.hero-right {
    padding-bottom: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-desc {
    font-family: var(--mono);
    font-size: 0.75rem;
    line-height: 1.7;
    color: var(--mid);
    letter-spacing: 0.02em;
}

.hero-count {
    font-family: var(--mono);
    font-size: 0.62rem;
    color: var(--faint);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* ── SEARCH ──────────────────────────── */

.search-section { display: block; padding: 0; }
.search-wrapper { position: relative; display: flex; align-items: center; }

.search-input {
    width: 100%;
    padding: 0 1.5rem 0.65rem 0;
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    background: transparent;
    border: none;
    border-bottom: 1.5px solid var(--ink);
    color: var(--ink);
    outline: none;
    transition: border-color 0.15s;
}
.search-input:focus { border-bottom-color: var(--accent); }
.search-input::placeholder { color: var(--faint); }

.clear-search-btn {
    position: absolute; right: 0; top: 50%; transform: translateY(-60%);
    background: none; border: none; color: var(--mid);
    cursor: pointer; font-size: 0.72rem;
    display: flex; align-items: center; transition: color 0.15s;
}
.clear-search-btn:hover { color: var(--ink); }

/* ── GRID ────────────────────────────── */

.authors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    background: var(--rule);
    border-top: 1px solid var(--rule);
}

.author-card {
    position: relative;
    display: block;
    text-decoration: none;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: var(--off);
    outline: none;
}

.author-card::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to top,
        rgba(10,10,10,0.85) 0%,
        rgba(10,10,10,0.2) 50%,
        transparent 100%);
    z-index: 1;
    transition: opacity 0.3s;
}
.author-card:hover::after { opacity: 0.7; }
.author-card:hover .author-image img { transform: scale(1.05); }

.author-image { position: absolute; inset: 0; }
.author-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
}

.placeholder-img {
    width: 100%; height: 100%;
    background: var(--off);
    display: flex; align-items: center; justify-content: center;
    font-size: 2.5rem; color: var(--faint);
}

.author-info {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 2rem 1.5rem 1.5rem;
    z-index: 2;
}

.author-name {
    font-family: var(--serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 0.35rem;
    letter-spacing: -0.01em;
}

.author-years {
    font-family: var(--mono);
    font-size: 0.6rem;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.06em;
}

.author-books { display: none; }

.loading, .no-results {
    grid-column: 1/-1;
    text-align: center;
    padding: 5rem 2rem;
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--mid);
    background: var(--white);
}

/* ── FOOTER ──────────────────────────── */

footer {
    border-top: 1px solid var(--rule);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2.5rem;
    gap: 2rem;
    flex-wrap: wrap;
}

footer > p {
    font-family: var(--mono);
    font-size: 0.6rem;
    color: var(--faint);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.footer-social { display: flex; align-items: center; gap: 0.35rem; flex-wrap: wrap; }

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--mono);
    font-size: 0.6rem;
    color: var(--mid);
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--rule);
    letter-spacing: 0.04em;
    transition: all 0.15s;
}
.social-link:hover { border-color: var(--ink); color: var(--ink); }
.social-link i { font-size: 0.75rem; }

/* ── LOADING STATE ───────────────────── */

.author-content, .book-content { min-height: 60vh; }

.loading-state {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    min-height: 40vh;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--mid);
    gap: 1rem;
}

.loading-spinner {
    width: 20px; height: 20px;
    border: 1.5px solid var(--rule);
    border-top-color: var(--ink);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error-state {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    min-height: 40vh; gap: 1rem;
    font-family: var(--mono);
}
.error-state i { font-size: 1.5rem; color: var(--faint); }
.error-state p { font-size: 0.8rem; color: var(--mid); }
.error-state a { font-size: 0.65rem; color: var(--ink); letter-spacing: 0.06em; text-decoration: none; border-bottom: 1px solid var(--rule); }

/* ── BREADCRUMB ──────────────────────── */

.breadcrumb {
    font-family: var(--mono);
    font-size: 0.6rem;
    color: var(--faint);
    letter-spacing: 0.06em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.breadcrumb a { color: var(--mid); text-decoration: none; transition: color 0.15s; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb .separator { color: var(--faint); }
.breadcrumb .current { color: var(--ink); font-weight: 500; }

/* ══════════════════════════════════════
   AUTHOR DETAIL
══════════════════════════════════════ */

.author-detail {}

/* Full-bleed portrait */
.author-hero {
    position: relative;
    height: 75vh;
    max-height: 640px;
    overflow: hidden;
    background: var(--off);
}
.author-hero img {
    width: 100%; height: 100%;
    object-fit: cover; object-position: center 15%;
    display: block;
}
.author-hero-placeholder {
    width: 100%; height: 100%;
    background: var(--off);
    display: flex; align-items: center; justify-content: center;
    font-size: 5rem; color: var(--faint);
}
.author-hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, transparent 40%, rgba(10,10,10,0.7) 100%);
}
.author-hero-title {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 3rem 3rem 2.5rem;
}
.author-hero-name {
    font-size: clamp(2.5rem, 6vw, 5.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 0.9;
    color: #fff;
    margin-bottom: 1rem;
}
.author-hero-name em {
    font-style: italic;
    font-weight: 400;
}
.author-hero-chips {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.author-chip {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 0.3rem 0.7rem;
    backdrop-filter: blur(4px);
}

/* Author body: 2-col */
.author-body {
    display: grid;
    grid-template-columns: 260px 1fr;
    border-bottom: 1px solid var(--rule);
    min-height: 300px;
}

.author-sidebar {
    padding: 2.5rem 2rem 2.5rem 3rem;
    border-right: 1px solid var(--rule);
}

.author-main {
    padding: 2.5rem 3rem;
}

.sidebar-label {
    font-family: var(--mono);
    font-size: 0.58rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--faint);
    margin-bottom: 0.4rem;
}
.sidebar-value {
    font-family: var(--serif);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 1.75rem;
}

.external-links { margin-top: 0.5rem; }
.external-links h3 {
    font-family: var(--mono);
    font-size: 0.58rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--faint);
    margin-bottom: 0.6rem;
}
.links-container { display: flex; flex-direction: column; gap: 0.3rem; }
.external-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--mono);
    font-size: 0.62rem;
    color: var(--mid);
    text-decoration: none;
    padding: 0.45rem 0.7rem;
    border: 1px solid var(--rule);
    letter-spacing: 0.04em;
    transition: all 0.15s;
}
.external-link:hover { border-color: var(--ink); color: var(--ink); }
.external-link i { font-size: 0.75rem; }

.author-bio {
    font-size: 1.15rem;
    font-weight: 400;
    line-height: 1.75;
    color: var(--ink);
    max-width: 65ch;
}

.featured-book {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--rule);
}
.featured-label {
    font-family: var(--mono);
    font-size: 0.58rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.65rem;
    display: flex; align-items: center; gap: 0.4rem;
}
.featured-book h4 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 0.25rem;
}
.featured-book > p {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--mid);
    margin-bottom: 0.6rem;
}
.featured-book-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: gap 0.15s;
}
.featured-book-link:hover { gap: 0.65rem; }

/* suppress old layout */
.author-name-large { display: none; }
.author-meta { display: none; }
.author-two-columns { display: none !important; }
.author-portrait { display: none; }

/* ── Books section ───────────────────── */

.books-section { border-bottom: 1px solid var(--rule); }

.section-header {
    padding: 1.25rem 3rem;
    border-bottom: 1px solid var(--rule);
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}
.section-header h2, .books-section h2, .other-books-section h2 {
    font-family: var(--mono);
    font-size: 0.62rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--mid);
    border: none; padding: 0; margin: 0;
}

.books-grid, .other-books-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    background: var(--rule);
    gap: 1px;
}

.book-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--white);
    overflow: hidden;
    transition: background 0.15s;
}
.book-card:hover { background: var(--off); }
.book-card:hover .book-image img { transform: scale(1.04); }

.book-image {
    width: 100%;
    aspect-ratio: 2 / 2.8;
    overflow: hidden;
    background: var(--off);
}
.book-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.book-placeholder {
    width: 100%; height: 100%;
    background: var(--off);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: var(--faint);
}

.book-info {
    padding: 0.9rem 1rem 1.1rem;
    border-top: 1px solid var(--rule);
}
.book-title {
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--ink);
    line-height: 1.3;
    margin-bottom: 0.3rem;
}
.book-year {
    font-family: var(--mono);
    font-size: 0.6rem;
    color: var(--faint);
}
.book-genre {
    font-family: var(--mono);
    font-size: 0.56rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    margin-top: 0.3rem;
    opacity: 0.8;
}
.book-series {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.55rem;
    color: var(--mid);
    border: 1px solid var(--rule);
    padding: 0.15rem 0.4rem;
    margin-top: 0.35rem;
    letter-spacing: 0.04em;
}
.book-series-large {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-family: var(--mono); font-size: 0.7rem;
    color: var(--mid); margin-top: 0.35rem;
}
.series-info {
    margin-top: 0.5rem; padding: 0.85rem 1rem;
    background: var(--off); border-left: 2px solid var(--accent);
}
.series-info p { font-family: var(--mono); font-size: 0.72rem; color: var(--mid); margin-bottom: 0.4rem; }
.series-books-link {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-family: var(--mono); font-size: 0.65rem;
    color: var(--accent); text-decoration: none; transition: gap 0.15s;
}
.series-books-link:hover { gap: 0.65rem; }

/* ── Related Authors ─────────────────── */

.related-authors-section {
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
}
.related-authors-section h2 {
    font-family: var(--mono);
    font-size: 0.62rem; font-weight: 400;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--mid);
    padding: 1.25rem 3rem;
    border-bottom: 1px solid var(--rule);
    margin: 0;
}
.related-authors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--rule); gap: 1px;
}
.related-author-card {
    display: block; text-decoration: none;
    aspect-ratio: 3 / 3.5; position: relative;
    overflow: hidden; background: var(--off);
}
.related-author-card::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(10,10,10,0.8) 0%, transparent 60%);
    z-index: 1;
}
.related-author-card:hover .related-author-image img { transform: scale(1.05); }
.related-author-image { width: 100%; height: 100%; }
.related-author-image img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.related-author-placeholder {
    width: 100%; height: 100%; background: var(--off);
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem; color: var(--faint);
}
.related-author-info {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 1.25rem 1.1rem; z-index: 2;
}
.related-author-name {
    font-family: var(--serif); font-size: 0.95rem; font-weight: 600;
    color: #fff; letter-spacing: -0.01em; margin-bottom: 0.2rem;
}
.related-author-years {
    font-family: var(--mono); font-size: 0.58rem;
    color: rgba(255,255,255,0.45); letter-spacing: 0.05em;
}

/* ══════════════════════════════════════
   BOOK DETAIL
══════════════════════════════════════ */

.book-detail {}

.book-hero {
    display: grid;
    grid-template-columns: 340px 1fr;
    min-height: 55vh;
    max-height: 580px;
    border-bottom: 1px solid var(--rule);
    overflow: hidden;
}

.book-hero-cover {
    overflow: hidden; background: var(--off);
    border-right: 1px solid var(--rule);
}
.book-hero-cover img {
    width: 100%; height: 100%; object-fit: cover; display: block;
}
.cover-placeholder {
    width: 100%; height: 100%; background: var(--off);
    display: flex; align-items: center; justify-content: center;
    font-size: 3.5rem; color: var(--faint);
}

.book-hero-info {
    padding: 3rem 3.5rem;
    display: flex; flex-direction: column; justify-content: flex-end; gap: 1rem;
    background: var(--white);
}

.book-hero-genre {
    font-family: var(--mono); font-size: 0.6rem;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--accent);
}

.book-title-large {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 0.95;
    color: var(--ink);
}

.book-author-link {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-family: var(--mono); font-size: 0.65rem;
    letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--mid); text-decoration: none; transition: color 0.15s;
}
.book-author-link:hover { color: var(--ink); }
.book-author-link i { font-size: 0.65rem; }

.book-hero-stats {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 1rem; padding-top: 1.5rem; border-top: 1px solid var(--rule);
    margin-top: 0.5rem;
}
.book-stat {}
.book-stat-label {
    font-family: var(--mono); font-size: 0.56rem;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--faint); display: block; margin-bottom: 0.2rem;
}
.book-stat-value {
    font-family: var(--serif); font-size: 0.9rem;
    font-weight: 500; color: var(--ink);
}

.book-body {
    display: grid; grid-template-columns: 1fr 300px;
    border-bottom: 1px solid var(--rule); background: var(--white);
}
.book-main { padding: 3rem; border-right: 1px solid var(--rule); }
.book-description-label {
    font-family: var(--mono); font-size: 0.58rem;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--faint); margin-bottom: 1.25rem;
}
.book-description {
    font-size: 1.1rem; font-weight: 400;
    line-height: 1.78; color: var(--ink); max-width: 65ch;
}
.book-aside-divider { display: none; }
.book-aside { padding: 3rem 2.5rem; }
.author-bio-snippet {}
.author-bio-snippet h3 {
    font-family: var(--mono); font-size: 0.58rem;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--faint); margin-bottom: 1rem; font-weight: 400;
}
.author-bio-snippet p {
    font-size: 0.88rem; line-height: 1.7; color: var(--mid); margin-bottom: 0.75rem;
}
.read-more-link {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-family: var(--mono); font-size: 0.62rem;
    letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--ink); text-decoration: none; transition: gap 0.15s;
}
.read-more-link:hover { gap: 0.65rem; }

.book-two-columns { display: none !important; }
.book-cover { display: none; }
.book-meta-grid { display: none; }

.other-books-section { border-bottom: 1px solid var(--rule); }
.other-books-section h2 {
    padding: 1.25rem 3rem; border-bottom: 1px solid var(--rule); margin: 0;
}

/* ── RESPONSIVE ──────────────────────── */

@media (max-width: 1100px) {
    .books-grid, .other-books-grid { grid-template-columns: repeat(4,1fr); }
    .book-hero { grid-template-columns: 280px 1fr; }
}

@media (max-width: 900px) {
    .index-hero { grid-template-columns: 1fr; gap: 2.5rem; padding: 3.5rem 1.5rem 3rem; }
    .authors-grid { grid-template-columns: repeat(3,1fr); }
    .books-grid, .other-books-grid { grid-template-columns: repeat(3,1fr); }
    .related-authors-grid { grid-template-columns: repeat(3,1fr); }
    .author-body { grid-template-columns: 1fr; }
    .author-sidebar { border-right: none; border-bottom: 1px solid var(--rule); padding: 2rem 1.5rem; }
    .author-main { padding: 2rem 1.5rem; }
    .author-hero-title { padding: 2rem 1.5rem 2rem; }
    .book-hero { grid-template-columns: 1fr; max-height: none; }
    .book-hero-cover { height: 50vw; min-height: 220px; }
    .book-hero-info { padding: 2rem 1.5rem; }
    .book-body { grid-template-columns: 1fr; }
    .book-aside { border-top: 1px solid var(--rule); padding: 2rem 1.5rem; }
    .book-main { border-right: none; padding: 2rem 1.5rem; }
    .section-header, .related-authors-section h2, .other-books-section h2 { padding: 1.1rem 1.5rem; }
}

@media (max-width: 600px) {
    .authors-grid { grid-template-columns: repeat(2,1fr); }
    .books-grid, .other-books-grid { grid-template-columns: repeat(2,1fr); }
    .related-authors-grid { grid-template-columns: repeat(2,1fr); }
    .site-nav .nav-tagline { display: none; }
    .hero-title { font-size: 3rem; }
    footer { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .social-link span { display: none; }
    .social-link { padding: 0.4rem 0.6rem; }
}