:root {
    --bookcrux-ink: #18201d;
    --bookcrux-muted: #68736e;
    --bookcrux-paper: #fbf8f1;
    --bookcrux-surface: #ffffff;
    --bookcrux-teal: #176b5b;
    --bookcrux-teal-dark: #0f5145;
    --bookcrux-mint: #dff0e9;
    --bookcrux-gold: #d7a84b;
    --bookcrux-line: rgba(24, 32, 29, .11);
    --bookcrux-shadow: 0 18px 48px rgba(22, 43, 36, .10);
}

[data-bs-theme="dark"] {
    --bookcrux-ink: #edf5f1;
    --bookcrux-muted: #a8b6b0;
    --bookcrux-paper: #0f1513;
    --bookcrux-surface: #17201d;
    --bookcrux-teal: #69c8ae;
    --bookcrux-teal-dark: #9ad9c7;
    --bookcrux-mint: #1d3730;
    --bookcrux-line: rgba(237, 245, 241, .12);
    --bookcrux-shadow: 0 18px 48px rgba(0, 0, 0, .28);
}

body {
    background: var(--bookcrux-paper);
}

.bookcrux-home,
.bookcrux-search-page,
.bookcrux-detail {
    color: var(--bookcrux-ink);
}

.bookcrux-eyebrow {
    margin: 0 0 .45rem;
    color: var(--bookcrux-teal);
    font-size: .73rem;
    font-weight: 800;
    letter-spacing: .15em;
    text-transform: uppercase;
}

.bookcrux-home-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(4rem, 8vw, 7.5rem) 0 clamp(3.5rem, 7vw, 6.5rem);
    background:
        radial-gradient(circle at 80% 15%, rgba(215, 168, 75, .20), transparent 25rem),
        radial-gradient(circle at 10% 100%, rgba(23, 107, 91, .15), transparent 30rem),
        var(--bookcrux-paper);
}

.bookcrux-home-hero::after {
    content: "";
    position: absolute;
    inset: auto -5rem -12rem auto;
    width: 30rem;
    height: 30rem;
    border: 1px solid var(--bookcrux-line);
    border-radius: 50%;
    box-shadow: 0 0 0 3.5rem rgba(23, 107, 91, .025), 0 0 0 7rem rgba(23, 107, 91, .02);
    pointer-events: none;
}

.bookcrux-hero-copy {
    position: relative;
    z-index: 1;
    max-width: 780px;
}

.bookcrux-home-hero h1,
.bookcrux-search-hero h1,
.bookcrux-book-title {
    color: var(--bookcrux-ink);
    font-family: Georgia, "Times New Roman", serif;
    font-weight: 700;
    letter-spacing: -.035em;
}

.bookcrux-home-hero h1 {
    max-width: 720px;
    margin: 0 0 1rem;
    font-size: clamp(2.5rem, 6vw, 5rem);
    line-height: .98;
}

.bookcrux-home-hero .lead {
    max-width: 610px;
    margin-bottom: 1.8rem;
    color: var(--bookcrux-muted);
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.7;
}

.bookcrux-search-form {
    display: flex;
    gap: .65rem;
    width: min(100%, 690px);
    padding: .45rem;
    border: 1px solid var(--bookcrux-line);
    border-radius: 18px;
    background: var(--bookcrux-surface);
    box-shadow: var(--bookcrux-shadow);
}

.bookcrux-search-form input {
    min-width: 0;
    flex: 1;
    padding: .8rem 1rem;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--bookcrux-ink);
    font-size: 1rem;
}

.bookcrux-search-form .btn {
    min-height: 48px;
    padding-inline: 1.35rem;
    border-radius: 13px;
}

.bookcrux-hero-proof {
    display: flex;
    flex-wrap: wrap;
    gap: .8rem 1.35rem;
    margin-top: 1.5rem;
    color: var(--bookcrux-muted);
    font-size: .84rem;
}

.bookcrux-hero-proof span::before {
    content: "✓";
    margin-right: .4rem;
    color: var(--bookcrux-teal);
    font-weight: 800;
}

.bookcrux-home-section,
.bookcrux-result-section {
    padding: clamp(2.7rem, 6vw, 5.5rem) 0 0;
}

.bookcrux-home-section:last-child,
.bookcrux-result-section:last-child {
    padding-bottom: clamp(3.5rem, 7vw, 6rem);
}

.bookcrux-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.bookcrux-section-heading h2 {
    margin: 0;
    color: var(--bookcrux-ink);
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(1.75rem, 3vw, 2.6rem);
    letter-spacing: -.025em;
}

.bookcrux-section-heading > a,
.bookcrux-result-count {
    color: var(--bookcrux-teal);
    font-size: .86rem;
    font-weight: 700;
}

.bookcrux-genre-list {
    display: flex;
    gap: .7rem;
    overflow-x: auto;
    padding: .25rem 0 .65rem;
    scrollbar-width: none;
}

.bookcrux-genre-list::-webkit-scrollbar { display: none; }

.bookcrux-genre-chip {
    flex: 0 0 auto;
    padding: .72rem 1rem;
    border: 1px solid var(--bookcrux-line);
    border-radius: 999px;
    background: var(--bookcrux-surface);
    color: var(--bookcrux-ink);
    font-weight: 650;
    transition: transform .2s ease, border-color .2s ease, color .2s ease;
}

.bookcrux-genre-chip:hover {
    border-color: var(--bookcrux-teal);
    color: var(--bookcrux-teal);
    transform: translateY(-2px);
}

.bookcrux-book-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem 1rem;
}

.bookcrux-book-card {
    min-width: 0;
}

.bookcrux-cover-link {
    position: relative;
    display: block;
    overflow: hidden;
    aspect-ratio: 2 / 3;
    border-radius: 12px;
    background: var(--bookcrux-mint);
    box-shadow: 0 12px 30px rgba(17, 44, 36, .14);
    cursor: pointer;
}

.bookcrux-cover-link::after {
    content: "";
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255, 255, 255, .35);
    border-radius: inherit;
    pointer-events: none;
}

.bookcrux-cover-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s ease;
}

.bookcrux-book-card:hover .bookcrux-cover-link img { transform: scale(1.025); }

.bookcrux-card-status {
    position: absolute;
    top: .65rem;
    left: .65rem;
    padding: .35rem .55rem;
    border-radius: 999px;
    background: rgba(20, 26, 24, .78);
    color: #fff;
    font-size: .66rem;
    font-weight: 800;
    letter-spacing: .035em;
    backdrop-filter: blur(8px);
}

.bookcrux-card-status.is-ready { background: rgba(23, 107, 91, .9); }

.bookcrux-card-body { padding: .9rem .15rem 0; }

.bookcrux-card-body h3 {
    display: -webkit-box;
    overflow: hidden;
    margin: 0 0 .35rem;
    color: var(--bookcrux-ink);
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(1rem, 2vw, 1.18rem);
    font-weight: 700;
    line-height: 1.25;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.bookcrux-card-body h3 a { color: inherit; }

.bookcrux-card-author {
    overflow: hidden;
    margin: 0 0 .45rem;
    color: var(--bookcrux-muted);
    font-size: .82rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bookcrux-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem .85rem;
    color: var(--bookcrux-muted);
    font-size: .73rem;
}

.bookcrux-card-action {
    display: inline-flex;
    margin-top: .7rem;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--bookcrux-teal);
    font-size: .81rem;
    font-weight: 800;
    text-align: left;
}

.bookcrux-search-page { min-height: 65vh; }

.bookcrux-genres-page {
    min-height: 65vh;
    color: var(--bookcrux-ink);
}

.bookcrux-genre-card {
    display: flex;
    overflow: hidden;
    height: 100%;
    flex-direction: column;
    border: 1px solid var(--bookcrux-line);
    border-radius: 20px;
    background: var(--bookcrux-surface);
    box-shadow: 0 12px 32px rgba(17, 44, 36, .08);
    color: var(--bookcrux-ink);
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.bookcrux-genre-card:hover {
    border-color: color-mix(in srgb, var(--bookcrux-teal) 45%, var(--bookcrux-line));
    box-shadow: var(--bookcrux-shadow);
    color: var(--bookcrux-ink);
    transform: translateY(-5px);
}

.bookcrux-genre-visual {
    position: relative;
    display: grid;
    overflow: hidden;
    min-height: 230px;
    place-items: center;
    background: linear-gradient(145deg, #dbece5, #a9cfc2);
    isolation: isolate;
}

.genre-tone-1 .bookcrux-genre-visual { background: linear-gradient(145deg, #eadfca, #d5b982); }
.genre-tone-2 .bookcrux-genre-visual { background: linear-gradient(145deg, #dce3ef, #a9b9d4); }
.genre-tone-3 .bookcrux-genre-visual { background: linear-gradient(145deg, #ead9dc, #d4aeb6); }
.genre-tone-4 .bookcrux-genre-visual { background: linear-gradient(145deg, #ded9ea, #b9afd2); }
.genre-tone-5 .bookcrux-genre-visual { background: linear-gradient(145deg, #e5e2d6, #c2b998); }

.bookcrux-genre-backdrop {
    position: absolute;
    z-index: -1;
    inset: -12%;
    width: 124%;
    height: 124%;
    object-fit: cover;
    filter: blur(22px) saturate(.8);
    opacity: .36;
    transform: scale(1.08);
}

.bookcrux-genre-visual::after {
    content: "";
    position: absolute;
    z-index: -1;
    inset: 0;
    background: linear-gradient(to bottom, rgba(255, 255, 255, .08), rgba(12, 24, 20, .18));
}

.bookcrux-genre-cover {
    width: 116px;
    height: 174px;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 18px 34px rgba(10, 22, 18, .3);
    transition: transform .3s ease;
}

.bookcrux-genre-card:hover .bookcrux-genre-cover { transform: rotate(-1.5deg) scale(1.035); }

.bookcrux-genre-card-body {
    display: flex;
    min-height: 205px;
    flex: 1;
    flex-direction: column;
    padding: 1.35rem;
}

.bookcrux-genre-card-title {
    margin-bottom: .5rem;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.45rem;
    font-weight: 700;
    line-height: 1.15;
}

.bookcrux-genre-card-description {
    display: -webkit-box;
    overflow: hidden;
    margin-bottom: 1rem;
    color: var(--bookcrux-muted);
    font-size: .86rem;
    line-height: 1.55;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.bookcrux-genre-subgenres {
    display: flex;
    flex-wrap: wrap;
    gap: .38rem;
    margin-bottom: 1rem;
}

.bookcrux-genre-subgenres > span {
    padding: .3rem .52rem;
    border-radius: 999px;
    background: var(--bookcrux-mint);
    color: var(--bookcrux-teal-dark);
    font-size: .68rem;
    font-weight: 700;
}

.bookcrux-genre-card-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    color: var(--bookcrux-teal);
    font-size: .82rem;
    font-weight: 800;
}

.bookcrux-search-hero {
    margin-top: 2rem;
    padding: clamp(2rem, 5vw, 4rem);
    border: 1px solid var(--bookcrux-line);
    border-radius: 26px;
    background: linear-gradient(135deg, var(--bookcrux-surface), var(--bookcrux-mint));
}

.bookcrux-search-hero h1 {
    margin: 0 0 .5rem;
    font-size: clamp(2rem, 5vw, 3.7rem);
}

.bookcrux-search-hero > p:not(.bookcrux-eyebrow) {
    max-width: 650px;
    color: var(--bookcrux-muted);
}

.bookcrux-search-hero .bookcrux-search-form { margin-top: 1.4rem; }

.bookcrux-search-status,
.bookcrux-empty-state {
    padding: 2.2rem;
    border: 1px dashed var(--bookcrux-line);
    border-radius: 16px;
    background: var(--bookcrux-surface);
    color: var(--bookcrux-muted);
    text-align: center;
}

.bookcrux-inline-retry {
    border: 0;
    background: transparent;
    color: var(--bookcrux-teal);
    font-weight: 800;
}

.bookcrux-detail-hero { padding: clamp(2.4rem, 6vw, 5.5rem) 0 2.5rem; }

.bookcrux-detail-grid {
    display: grid;
    grid-template-columns: minmax(180px, 280px) minmax(0, 1fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: start;
}

.bookcrux-detail-cover {
    overflow: hidden;
    aspect-ratio: 2 / 3;
    border-radius: 16px;
    background: var(--bookcrux-mint);
    box-shadow: 0 24px 60px rgba(17, 44, 36, .22);
}

.bookcrux-detail-cover img { width: 100%; height: 100%; object-fit: cover; }

.bookcrux-book-title {
    max-width: 800px;
    margin: .4rem 0 .65rem;
    font-size: clamp(2.2rem, 5vw, 4.6rem);
    line-height: 1.02;
}

.bookcrux-book-author {
    margin: 0 0 1.3rem;
    color: var(--bookcrux-muted);
    font-size: clamp(1rem, 2vw, 1.25rem);
}

.bookcrux-book-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .65rem;
    margin-bottom: 1.4rem;
}

.bookcrux-book-meta span {
    padding: .48rem .75rem;
    border: 1px solid var(--bookcrux-line);
    border-radius: 999px;
    background: var(--bookcrux-surface);
    color: var(--bookcrux-muted);
    font-size: .78rem;
    font-weight: 650;
}

.bookcrux-book-description {
    max-width: 750px;
    color: var(--bookcrux-muted);
    font-size: 1rem;
    line-height: 1.75;
}

.bookcrux-detail-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }

.bookcrux-detail-actions .btn { border-radius: 999px; }

.bookcrux-summary-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: clamp(2rem, 5vw, 5rem);
    padding: 2.5rem 0 clamp(4rem, 8vw, 7rem);
}

.bookcrux-summary-paper {
    padding: clamp(1.4rem, 4vw, 3.5rem);
    border: 1px solid var(--bookcrux-line);
    border-radius: 22px;
    background: var(--bookcrux-surface);
    box-shadow: var(--bookcrux-shadow);
}

.bookcrux-summary-paper .entry-content { color: var(--bookcrux-ink); font-size: 1.03rem; line-height: 1.85; }
.bookcrux-summary-paper .entry-content h2 { margin: 2.2rem 0 .8rem; color: var(--bookcrux-ink); font-family: Georgia, "Times New Roman", serif; font-size: 1.7rem; }
.bookcrux-summary-paper .entry-content h2:first-child { margin-top: 0; }
.bookcrux-summary-paper .entry-content li { margin-bottom: .6rem; }

.bookcrux-summary-crux {
    margin-bottom: 2rem;
    padding: 1.25rem 1.4rem;
    border: 1px solid color-mix(in srgb, var(--bookcrux-gold) 45%, transparent);
    border-radius: 15px;
    background: color-mix(in srgb, var(--bookcrux-gold) 10%, var(--bookcrux-surface));
}

.bookcrux-summary-crux h2 { margin-top: 0 !important; }
.bookcrux-summary-crux p { margin-bottom: 0; font-size: 1.08rem; }

.bookcrux-crux-callout {
    margin: 0 0 2rem;
    padding: 1.2rem 1.3rem;
    border-left: 4px solid var(--bookcrux-gold);
    border-radius: 0 12px 12px 0;
    background: var(--bookcrux-mint);
}

.bookcrux-summary-note,
.bookcrux-detail-aside {
    color: var(--bookcrux-muted);
    font-size: .78rem;
    line-height: 1.65;
}

.bookcrux-detail-aside {
    position: sticky;
    top: 110px;
    padding: 1.2rem;
    border: 1px solid var(--bookcrux-line);
    border-radius: 16px;
    background: var(--bookcrux-surface);
}

.bookcrux-detail-aside strong { display: block; margin-bottom: .45rem; color: var(--bookcrux-ink); }

.bookcrux-generation-loader[hidden] { display: none !important; }
body.bookcrux-generation-open { overflow: hidden; }

.bookcrux-generation-loader {
    position: fixed;
    z-index: 1095;
    inset: 0;
    display: grid;
    place-items: center;
    padding: max(1.25rem, env(safe-area-inset-top)) max(1.25rem, env(safe-area-inset-right)) max(1.25rem, env(safe-area-inset-bottom)) max(1.25rem, env(safe-area-inset-left));
    background: rgba(10, 17, 14, .82);
    backdrop-filter: blur(12px);
}

.bookcrux-generation-panel {
    position: relative;
    z-index: 1;
    width: min(100%, 540px);
    padding: clamp(1.5rem, 5vw, 3rem);
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 26px;
    background: #17201d;
    color: #edf5f1;
    text-align: center;
    box-shadow: 0 30px 90px rgba(0, 0, 0, .42);
}

.bookcrux-generation-close {
    position: absolute;
    top: .75rem;
    right: .9rem;
    border: 0;
    background: transparent;
    color: #adc1ba;
    font-size: 1.8rem;
    line-height: 1;
}

.bookcrux-generation-note { margin-bottom: 1.1rem; color: #82968f; font-size: .76rem; }

.bookcrux-generation-cover-wrap {
    position: relative;
    width: 112px;
    margin: 0 auto 1.5rem;
}

.bookcrux-generation-cover-wrap::after {
    content: "";
    position: absolute;
    z-index: -1;
    inset: -14px;
    border: 2px solid rgba(105, 200, 174, .5);
    border-radius: 18px;
    animation: bookcrux-pulse 2s ease-out infinite;
}

.bookcrux-generation-cover {
    width: 112px;
    aspect-ratio: 2 / 3;
    border-radius: 9px;
    object-fit: cover;
    box-shadow: 0 16px 34px rgba(0, 0, 0, .36);
}

.bookcrux-generation-panel h2 { margin: 0 0 .7rem; color: #fff; font-family: Georgia, "Times New Roman", serif; }
.bookcrux-generation-message { min-height: 1.5rem; margin-bottom: 1.3rem; color: #adc1ba; }
.bookcrux-generation-progress { overflow: hidden; width: min(100%, 310px); height: 4px; margin: 0 auto 1.5rem; border-radius: 99px; background: rgba(255,255,255,.1); }
.bookcrux-generation-progress span { display: block; width: 45%; height: 100%; border-radius: inherit; background: #69c8ae; animation: bookcrux-progress 1.6s ease-in-out infinite; }

.bookcrux-bottom-nav { display: none; }

@keyframes bookcrux-pulse {
    from { opacity: .8; transform: scale(.92); }
    to { opacity: 0; transform: scale(1.2); }
}

@keyframes bookcrux-progress {
    0% { transform: translateX(-115%); }
    50% { transform: translateX(65%); }
    100% { transform: translateX(235%); }
}

@media (min-width: 576px) {
    .bookcrux-book-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem 1.3rem; }
}

@media (min-width: 992px) {
    .bookcrux-book-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 2.5rem 1.5rem; }
}

@media (max-width: 767.98px) {
    body { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
    .bookcrux-home-hero { padding-top: 3.2rem; }
    .mobile-header { height: calc(var(--header-height) + env(safe-area-inset-top)); padding-top: env(safe-area-inset-top); }
    .mobile-header-spacer { height: calc(var(--header-height) + env(safe-area-inset-top)); }
    .bookcrux-search-form { border-radius: 14px; }
    .bookcrux-search-form .btn { min-width: 50px; padding-inline: .85rem; }
    .bookcrux-search-hero { margin-top: 1rem; border-radius: 18px; }
    .bookcrux-genre-visual { min-height: 200px; }
    .bookcrux-genre-cover { width: 102px; height: 153px; }
    .bookcrux-section-heading { align-items: start; }
    .bookcrux-detail-grid { grid-template-columns: 105px minmax(0, 1fr); gap: 1.35rem; }
    .bookcrux-detail-cover { border-radius: 10px; }
    .bookcrux-book-title { font-size: clamp(1.8rem, 8vw, 2.7rem); }
    .bookcrux-book-description { grid-column: 1 / -1; }
    .bookcrux-summary-layout { grid-template-columns: 1fr; }
    .bookcrux-detail-aside { position: static; }
    .bookcrux-bottom-nav {
        position: fixed;
        z-index: 1035;
        right: 0;
        bottom: 0;
        left: 0;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        padding: .45rem max(.6rem, env(safe-area-inset-right)) calc(.4rem + env(safe-area-inset-bottom)) max(.6rem, env(safe-area-inset-left));
        border-top: 1px solid var(--bookcrux-line);
        background: var(--bookcrux-surface);
        background: color-mix(in srgb, var(--bookcrux-surface) 94%, transparent);
        box-shadow: 0 -10px 35px rgba(17, 44, 36, .08);
        backdrop-filter: blur(18px);
    }
    .bookcrux-bottom-nav a,
    .bookcrux-bottom-nav button {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: .2rem;
        border: 0;
        background: transparent;
        color: var(--bookcrux-muted);
        font-size: .66rem;
        font-weight: 650;
    }
    .bookcrux-bottom-nav a:hover,
    .bookcrux-bottom-nav .active { color: var(--bookcrux-teal); }
    .bookcrux-bottom-nav svg { width: 21px; height: 21px; }
}

@media (prefers-reduced-motion: reduce) {
    .bookcrux-generation-cover-wrap::after,
    .bookcrux-generation-progress span { animation-duration: 4s; }
    .bookcrux-cover-link img,
    .bookcrux-genre-card,
    .bookcrux-genre-cover,
    .bookcrux-genre-chip { transition: none; }
}

/* Point-by-point summary reader. Content remains readable without JavaScript. */
.bookcrux-summary [hidden] { display: none !important; }
.bookcrux-summary h2 { font-size: clamp(1.5rem, 4vw, 2rem); font-weight: 800; line-height: 1.3; }
.bookcrux-summary h3 { font-size: 1.1rem; font-weight: 700; margin: 1.4rem 0 .5rem; }
.bookcrux-point-navigation { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin: 1.5rem 0; scroll-margin-top: 6rem; }
.bookcrux-point-navigation span { white-space: nowrap; font-weight: 600; }
.bookcrux-point-navigation button { border: 1px solid currentColor; border-radius: .5rem; padding: .6rem .9rem; background: transparent; color: inherit; font: inherit; cursor: pointer; min-height: 44px; }
.bookcrux-point-navigation button:disabled { opacity: .4; cursor: default; }
.bookcrux-point-navigation button:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
@media print {
    .bookcrux-summary [hidden] { display: block !important; }
    .bookcrux-point-navigation { display: none; }
}

/* Profile listings share book cards, with room for the profile sidebar. */
.bookcrux-profile-grid-wide { grid-column: 1 / -1; }
@media (min-width: 992px) {
    .bookcrux-book-grid.bookcrux-profile-books { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}