/* BookTok-style book detail page */

.bt {
    /* Accent follows the author's brand colour (gold for Maddie Wade, plum for L. Knight) */
    --bt-gold: var(--primaryColour, #ae841a);
    --bt-gold-soft: color-mix(in srgb, var(--bt-gold) 22%, #fff);
    --bt-on-accent: #000;
    /* Accent used for text on the dark bands */
    --bt-accent-on-dark: var(--bt-gold);
    --bt-navy: #0e1b4d;
    /* Dark bands match the nav banner / footer colour */
    --bt-dark: #060c22;
    --bt-dark-2: #111a3a;
    --bt-ink: #2f3138;
    --bt-muted: #6b6f7b;
    --bt-card: #fff;
    --bt-ground: #f7f5f0;
    background: var(--bt-ground);
    color: var(--bt-ink);
}

.bt h2, .bt h3 {
    font-family: "Raleway", sans-serif;
}

.bt-section {
    padding-block: 56px;
}

.bt-section__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--bt-navy);
    margin-bottom: 24px;
    text-align: center;
}

.bt-section__title::after {
    content: "";
    display: block;
    width: 56px;
    height: 3px;
    background: var(--bt-gold);
    margin: 12px auto 0;
}

/* Hero band */

.bt-hero {
    background: radial-gradient(circle at 20% 20%, var(--bt-dark-2) 0%, var(--bt-dark) 70%);
    color: #fff;
    padding-block: 32px 56px;
}

.bt-hero .bt-breadcrumb,
.bt-hero .bt-breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

.bt-hero .bt-breadcrumb a:hover {
    color: var(--bt-gold);
}

.bt-cover {
    border-radius: 6px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.08);
    transform: rotate(-2deg);
    transition: transform 0.3s ease;
    max-width: 320px;
    width: 100%;
}

.bt-cover:hover {
    transform: rotate(0deg) scale(1.02);
}

.bt-series-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--bt-accent-on-dark);
    margin-bottom: 8px;
}

.bt-series-badge .bt-start-here {
    background: var(--bt-gold);
    color: var(--bt-on-accent);
    border-radius: 50px;
    padding: 2px 10px;
    margin-left: 8px;
    letter-spacing: 0.04em;
}

.bt-title {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}

.bt-hook {
    font-size: clamp(1.15rem, 2.2vw, 1.45rem);
    font-style: italic;
    line-height: 1.45;
    color: #fff;
    border-left: 3px solid var(--bt-gold);
    padding-left: 16px;
    margin-bottom: 24px;
}

/* Trope pills */

.bt-tropes {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
}

.bt-tropes li {
    border: 1px solid color-mix(in srgb, var(--bt-gold) 70%, transparent);
    background: color-mix(in srgb, var(--bt-gold) 12%, transparent);
    color: var(--bt-gold-soft);
    border-radius: 50px;
    padding: 5px 14px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Quick facts */

.bt-facts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 10px;
    margin-bottom: 28px;
}

.bt-fact {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    padding: 10px 12px;
}

.bt-fact__label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.6);
}

.bt-fact__value {
    font-weight: 700;
    font-size: 0.95rem;
    color: #fff;
}

/* Buy buttons */

.bt-buy {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.bt-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 50px;
    padding: 12px 26px;
    font-weight: 700;
    font-size: 0.95rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.bt-btn:hover,
.bt-btn:focus-visible {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.bt-btn--primary {
    background: var(--bt-gold);
    color: var(--bt-on-accent);
}

.bt-btn--primary:hover {
    color: var(--bt-on-accent);
}

.bt-btn--ghost {
    border: 2px solid rgba(255, 255, 255, 0.6);
    color: #fff;
}

.bt-btn--ghost:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* Blurb */

.bt-blurb {
    max-width: 760px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.8;
}

.bt-blurb p:first-child::first-letter {
    float: left;
    font-family: "Raleway", sans-serif;
    font-size: 3.4rem;
    line-height: 0.9;
    font-weight: 800;
    color: var(--bt-gold);
    padding-right: 8px;
}

/* Cards shared */

.bt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.bt-card {
    background: var(--bt-card);
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 6px 20px rgba(14, 27, 77, 0.08);
    height: 100%;
}

/* Quote cards */

.bt-quotes {
    background: var(--bt-dark);
}

.bt-quotes .bt-section__title {
    color: #fff;
}

.bt-quote {
    background: linear-gradient(160deg, var(--bt-dark-2), var(--bt-dark));
    border: 1px solid color-mix(in srgb, var(--bt-gold) 40%, transparent);
    color: #fff;
    position: relative;
    padding-top: 44px;
    margin: 0;
}

.bt-quote::before {
    content: "\201C";
    position: absolute;
    top: 0;
    left: 20px;
    font-family: Georgia, serif;
    font-size: 4.5rem;
    color: var(--bt-accent-on-dark);
    line-height: 1;
}

.bt-quote p {
    font-size: 1.1rem;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 12px;
}

.bt-quote footer {
    color: var(--bt-accent-on-dark);
    font-size: 0.85rem;
    font-weight: 700;
}

/* Character cards */

.bt-character {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.bt-character__avatar {
    flex: 0 0 72px;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--bt-gold-soft);
    color: var(--bt-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Raleway", sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    object-fit: cover;
}

.bt-character h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bt-navy);
    margin-bottom: 2px;
}

.bt-character__role {
    color: var(--bt-muted);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.bt-traits {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.bt-traits li {
    background: var(--bt-ground);
    border-radius: 50px;
    padding: 3px 10px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Reviews */

.bt-review__stars {
    color: var(--bt-gold);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.bt-review p {
    font-style: italic;
    margin-bottom: 10px;
}

.bt-review footer {
    color: var(--bt-muted);
    font-size: 0.85rem;
}

/* Read if you loved */

.bt-comps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.bt-comps li {
    background: var(--bt-card);
    border: 1px solid var(--bt-gold);
    border-radius: 50px;
    padding: 8px 18px;
    font-weight: 600;
}

/* Content warnings */

.bt-warnings {
    max-width: 760px;
    margin: 0 auto;
    background: var(--bt-card);
    border-radius: 14px;
    padding: 16px 24px;
    box-shadow: 0 6px 20px rgba(14, 27, 77, 0.08);
}

.bt-warnings summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--bt-navy);
}

.bt-warnings[open] summary {
    margin-bottom: 10px;
}

/* Next in series */

.bt-next {
    background: linear-gradient(120deg, var(--bt-dark), var(--bt-dark-2));
    color: #fff;
}

.bt-next__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 32px;
    text-align: left;
}

.bt-next img {
    width: 150px;
    border-radius: 6px;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
}

.bt-next h2 {
    color: #fff;
    font-size: 1.8rem;
    font-weight: 800;
}

.bt-next__eyebrow {
    color: var(--bt-accent-on-dark);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    font-weight: 700;
}

/* Placeholder marker: content Maddie still needs to supply or confirm */

.bt-placeholder {
    outline: 2px dashed #e0457b;
    outline-offset: 4px;
    position: relative;
}

.bt-placeholder::after {
    content: attr(data-placeholder);
    position: absolute;
    top: -14px;
    right: 8px;
    background: #e0457b;
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    font-style: normal;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 2px 8px;
    border-radius: 50px;
    white-space: nowrap;
    z-index: 1;
}

@media (max-width: 767px) {
    .bt-hero {
        text-align: center;
    }

    .bt-cover {
        max-width: 220px;
        margin-bottom: 24px;
    }

    .bt-hook {
        border-left: 0;
        padding-left: 0;
    }

    .bt-tropes,
    .bt-buy {
        justify-content: center;
    }

    .bt-next__inner {
        text-align: center;
    }
}

/* L. Knight's plum accent needs white text on buttons and badges */
.bt--lknight {
    --bt-on-accent: #fff;
    --bt-accent-on-dark: color-mix(in srgb, var(--bt-gold) 45%, #fff);
}