/*
Theme Name: LibrosGratis Editorial
Theme URI: https://librosgratis.es
Author: Octavio - LibrosGratis.es
Version: 1.3.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: librosgratis
*/

/* ==========================================================================
   VARIABLES — Estilo clásico de librería
   ========================================================================== */

:root {
    --lg-ink: #2c2416;
    --lg-ink-light: #3e3428;
    --lg-paper: #faf8f4;
    --lg-paper-warm: #f0ebe0;
    --lg-cream: #e8e0d0;
    --lg-accent: #7b341e;
    --lg-accent-hover: #5c2615;
    --lg-accent-secondary: #a07830;
    --lg-text: #3a3630;
    --lg-text-muted: #7a7468;
    --lg-text-light: #a09888;
    --lg-border: #d0c8b8;
    --lg-border-dark: #b8ae9c;
    --lg-white: #ffffff;
    --lg-success: #4a6a3a;
    --lg-info: #3a5c6a;

    --font-display: 'Libre Baskerville', 'Georgia', 'Times New Roman', serif;
    --font-body: 'Lora', 'Georgia', 'Times New Roman', serif;
    --font-accent: 'Barlow Condensed', 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
}

/* ==========================================================================
   BASE — Sobre Bootstrap
   ========================================================================== */

body {
    font-family: var(--font-body);
    color: var(--lg-text);
    background-color: var(--lg-paper);
    font-size: 1rem;
    line-height: 1.75;
}

a { color: var(--lg-accent); }
a:hover { color: var(--lg-accent-hover); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--lg-ink);
    font-weight: 700;
}

/* ==========================================================================
   TOP BAR
   ========================================================================== */

.lg-topbar {
    background: var(--lg-ink);
    color: var(--lg-text-light);
    font-family: var(--font-accent);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ==========================================================================
   NAVBAR — Clásico oscuro
   ========================================================================== */

.lg-navbar {
    background-color: var(--lg-ink) !important;
    border-bottom: 3px solid var(--lg-accent-secondary);
    font-family: var(--font-accent);
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
}

.lg-brand {
    font-family: var(--font-display) !important;
    font-size: 1.6rem !important;
    font-weight: 700 !important;
    color: #f0ebe0 !important;
    letter-spacing: -0.01em;
}
.lg-brand:hover { color: #fff !important; text-decoration: none; }
.lg-brand-accent { color: var(--lg-accent-secondary); }

.lg-navbar .nav-link {
    font-family: var(--font-accent);
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(240,235,224,0.7) !important;
    padding: 0.4rem 0.8rem !important;
}
.lg-navbar .nav-link:hover,
.lg-navbar .nav-link.active { color: #fff !important; }

.lg-search-input {
    background: rgba(255,255,255,0.08) !important;
    border-color: rgba(255,255,255,0.12) !important;
    color: #f0ebe0 !important;
    font-size: 0.85rem;
}
.lg-search-input::placeholder { color: rgba(255,255,255,0.35) !important; }
.lg-search-input:focus {
    background: rgba(255,255,255,0.12) !important;
    border-color: var(--lg-accent-secondary) !important;
    box-shadow: none !important;
}

/* ==========================================================================
   GENRE BAR
   ========================================================================== */

.lg-genre-bar {
    background: var(--lg-ink-light);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.lg-genre-link {
    font-family: var(--font-accent);
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(240,235,224,0.45);
    padding: 7px 14px;
    display: inline-block;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all 150ms ease;
}
.lg-genre-link:hover {
    color: #fff;
    border-bottom-color: var(--lg-accent-secondary);
    text-decoration: none;
}

/* ==========================================================================
   BREADCRUMB
   ========================================================================== */

.lg-breadcrumb {
    font-family: var(--font-accent);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: none;
    padding: 0;
    margin: 0;
}
.lg-breadcrumb .breadcrumb-item a { color: var(--lg-text-muted); text-decoration: none; }
.lg-breadcrumb .breadcrumb-item a:hover { color: var(--lg-accent); }
.lg-breadcrumb .breadcrumb-item.active { color: var(--lg-text); }
.lg-breadcrumb .breadcrumb-item + .breadcrumb-item::before { color: var(--lg-border-dark); }

/* ==========================================================================
   SINGLE BOOK
   ========================================================================== */

.lg-book-cover-wrap { position: sticky; top: 90px; }
.lg-book-cover-img {
    width: 100%;
    border: 1px solid var(--lg-border);
    box-shadow: 2px 3px 12px rgba(44,36,22,0.12);
}
.lg-book-cover-placeholder {
    aspect-ratio: 2/3;
    background: var(--lg-cream);
    border: 1px solid var(--lg-border);
    display: flex; align-items: center; justify-content: center;
    text-align: center; padding: 2rem;
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--lg-text-muted);
}

.lg-book-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    line-height: 1.2;
    margin-bottom: 0.3rem;
}
.lg-book-author {
    font-family: var(--font-accent);
    font-size: 1rem;
    color: var(--lg-text-muted);
    margin-bottom: 1rem;
}

.lg-badge-genre {
    background: var(--lg-paper-warm);
    color: var(--lg-accent);
    font-family: var(--font-accent);
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: 1px solid var(--lg-border);
    padding: 2px 8px;
    text-decoration: none;
}
.lg-badge-genre:hover { background: var(--lg-accent); color: var(--lg-white); text-decoration: none; }

.lg-section-label {
    font-family: var(--font-accent);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--lg-text-muted);
    margin-bottom: 0.5rem;
    padding-bottom: 0.3rem;
    border-bottom: 2px solid var(--lg-ink);
}

.lg-section-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--lg-ink);
    margin-bottom: 1.5rem;
}

.lg-meta-table { font-size: 0.9rem; }
.lg-meta-table td { border-color: var(--lg-border); vertical-align: middle; }
.lg-meta-label {
    font-family: var(--font-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.78rem;
    color: var(--lg-text-muted);
    width: 120px;
}

.lg-rating-box {
    display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap;
    background: var(--lg-paper-warm);
    border: 1px solid var(--lg-border);
    padding: 0.7rem 1rem;
}
.rating-stars { display: flex; gap: 2px; }
.rating-stars .star { color: var(--lg-accent-secondary); font-size: 1.15rem; }
.rating-stars .star--empty { color: var(--lg-border); }
.rating-score { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; color: var(--lg-ink); }
.rating-count { font-size: 0.85rem; color: var(--lg-text-muted); }

/* ==========================================================================
   DOWNLOAD BUTTONS
   ========================================================================== */

.download-buttons { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.btn-download {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-family: var(--font-accent);
    font-size: 0.8rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.04em;
    padding: 7px 16px;
    border: 2px solid var(--lg-ink);
    background: var(--lg-white); color: var(--lg-ink);
    text-decoration: none;
    transition: all 150ms ease;
}
.btn-download:hover { background: var(--lg-ink); color: var(--lg-white); text-decoration: none; }
.btn-download--primary { background: var(--lg-accent); border-color: var(--lg-accent); color: var(--lg-white); }
.btn-download--primary:hover { background: var(--lg-accent-hover); border-color: var(--lg-accent-hover); color: var(--lg-white); }

/* ==========================================================================
   ENTRY CONTENT — Artículos y reseñas
   ========================================================================== */

.entry-content {
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--lg-text);
    word-wrap: break-word;
}
.entry-content h2 { font-size: 1.5rem; margin-top: 2.5rem; margin-bottom: 0.8rem; padding-bottom: 0.3rem; border-bottom: 1px solid var(--lg-border); }
.entry-content h3 { font-size: 1.2rem; margin-top: 2rem; margin-bottom: 0.6rem; }
.entry-content p { margin-bottom: 1rem; }
.entry-content a { text-decoration: underline; }
.entry-content ul, .entry-content ol { margin-bottom: 1rem; padding-left: 1.5em; }
.entry-content li { margin-bottom: 0.25rem; }
.entry-content blockquote {
    margin: 1.5rem 0; padding: 1.2rem 1.5rem;
    border-left: 4px solid var(--lg-accent); background: var(--lg-paper-warm);
    font-style: italic; font-size: 1.05rem;
}
.entry-content img { margin: 1.2rem 0; max-width: 100%; height: auto; border: 1px solid var(--lg-border); }
.entry-content table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.9rem; }
.entry-content th, .entry-content td { padding: 8px 12px; border: 1px solid var(--lg-border); }
.entry-content th { background: var(--lg-paper-warm); font-weight: 600; }
.entry-content pre { background: var(--lg-ink); color: #e0dcd4; padding: 1.2rem; overflow-x: auto; font-size: 0.85rem; }
.entry-content code { font-family: var(--font-mono); font-size: 0.88em; background: var(--lg-cream); padding: 1px 4px; }
.entry-content pre code { background: none; padding: 0; }

/* ==========================================================================
   BOOK CARDS — Grid
   ========================================================================== */

.lg-grid--books { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 1.25rem; }

.book-card {
    background: var(--lg-white); border: 1px solid var(--lg-border);
    overflow: hidden; transition: box-shadow 200ms ease, transform 200ms ease;
}
.book-card:hover { box-shadow: 0 4px 16px rgba(44,36,22,0.1); transform: translateY(-2px); }
.book-card__cover { position: relative; overflow: hidden; background: var(--lg-cream); height: 250px; }
.book-card__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.book-card:hover .book-card__cover img { transform: scale(1.02); }
.book-card__badge { position: absolute; top: 6px; left: 6px; background: var(--lg-accent); color: #fff; font-family: var(--font-accent); font-size: 0.6rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; padding: 2px 7px; }
.book-card__badge--popular { background: var(--lg-accent-secondary); color: var(--lg-ink); }
.book-card__rating { position: absolute; bottom: 6px; right: 6px; background: rgba(44,36,22,0.8); color: var(--lg-accent-secondary); font-family: var(--font-accent); font-size: 0.7rem; font-weight: 700; padding: 2px 7px; backdrop-filter: blur(3px); }
.book-card__body { padding: 0.8rem; }
.book-card__genre { font-family: var(--font-accent); font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--lg-accent); }
.book-card__title { font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; line-height: 1.3; margin-bottom: 2px; }
.book-card__title a { color: var(--lg-ink); text-decoration: none; } .book-card__title a:hover { color: var(--lg-accent); }
.book-card__author { font-size: 0.82rem; color: var(--lg-text-muted); margin-bottom: 0.4rem; }
.book-card__meta { display: flex; justify-content: space-between; align-items: center; padding-top: 0.4rem; border-top: 1px solid var(--lg-border); font-size: 0.7rem; color: var(--lg-text-light); font-family: var(--font-accent); }
.book-card__formats { display: flex; gap: 3px; }
.format-badge { background: var(--lg-paper-warm); border: 1px solid var(--lg-border); font-family: var(--font-mono); font-size: 0.55rem; font-weight: 600; padding: 1px 4px; text-transform: uppercase; }
.format-badge--pdf { color: var(--lg-accent); } .format-badge--epub { color: var(--lg-info); } .format-badge--mobi { color: var(--lg-success); }

/* ==========================================================================
   SECTIONS (home)
   ========================================================================== */

.section-editorial { padding: 2.5rem 0; border-bottom: 1px solid var(--lg-border); }
.section-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 1.5rem; padding-bottom: 0.4rem; border-bottom: 2px solid var(--lg-ink); flex-wrap: wrap; gap: 0.4rem; }
.section-header__title { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; }
.section-header__link { font-family: var(--font-accent); font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--lg-accent); text-decoration: none; }

.ranking-list { list-style: none; padding: 0; counter-reset: ranking; }
.ranking-list li { counter-increment: ranking; display: flex; align-items: flex-start; gap: 0.8rem; padding: 0.7rem 0; border-bottom: 1px solid var(--lg-border); }
.ranking-list li::before { content: counter(ranking, decimal-leading-zero); font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: var(--lg-border-dark); min-width: 2rem; line-height: 1; }
.ranking-list li:nth-child(-n+3)::before { color: var(--lg-accent); }
.ranking-list__title { font-family: var(--font-display); font-size: 0.9rem; font-weight: 700; line-height: 1.3; }
.ranking-list__title a { color: var(--lg-ink); text-decoration: none; } .ranking-list__title a:hover { color: var(--lg-accent); }
.ranking-list__author { font-size: 0.78rem; color: var(--lg-text-muted); }
.ranking-list__downloads { font-family: var(--font-accent); font-size: 0.65rem; color: var(--lg-text-light); text-transform: uppercase; letter-spacing: 0.04em; }

/* ==========================================================================
   HERO
   ========================================================================== */

.hero-editorial { padding: 2rem 0; border-bottom: 2px solid var(--lg-ink); }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; grid-template-rows: auto auto; gap: 1.2rem; }
.hero-main { grid-row: 1 / 3; }
.hero-main .book-card__cover { height: 320px; }
.hero-secondary .book-card__cover { height: 160px; }

/* ==========================================================================
   SEARCH
   ========================================================================== */

.advanced-search { background: var(--lg-white); border: 1px solid var(--lg-border); padding: 1.5rem; margin: 1.5rem 0; }
.advanced-search__title { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 1rem; padding-bottom: 0.3rem; border-bottom: 2px solid var(--lg-ink); }
.search-filters { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr auto; gap: 0.8rem; align-items: end; }
.search-filters label { display: block; font-family: var(--font-accent); font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--lg-text-muted); margin-bottom: 2px; }
.search-filters input, .search-filters select { width: 100%; padding: 6px 10px; border: 1px solid var(--lg-border-dark); font-family: var(--font-body); font-size: 0.88rem; background: var(--lg-paper); }
.search-filters .btn-search { background: var(--lg-ink); color: #f0ebe0; border: none; padding: 6px 18px; font-family: var(--font-accent); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; cursor: pointer; }
.search-filters .btn-search:hover { background: var(--lg-accent); }

/* ==========================================================================
   BLOG
   ========================================================================== */

.blog-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.blog-card { background: var(--lg-white); border: 1px solid var(--lg-border); overflow: hidden; }
.blog-card:hover { box-shadow: 0 3px 10px rgba(44,36,22,0.08); }
.blog-card--featured { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; }
.blog-card__image { overflow: hidden; background: var(--lg-cream); min-height: 170px; }
.blog-card__image img { width: 100%; height: 100%; object-fit: cover; }
.blog-card__content { padding: 1.2rem; }
.blog-card__category { font-family: var(--font-accent); font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--lg-accent); margin-bottom: 0.2rem; }
.blog-card__title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; line-height: 1.3; margin-bottom: 0.3rem; }
.blog-card__title a { color: var(--lg-ink); text-decoration: none; } .blog-card__title a:hover { color: var(--lg-accent); }
.blog-card__excerpt { font-size: 0.85rem; color: var(--lg-text-muted); line-height: 1.6; margin-bottom: 0.8rem; }
.blog-card__meta { font-family: var(--font-accent); font-size: 0.7rem; color: var(--lg-text-light); text-transform: uppercase; letter-spacing: 0.04em; }

/* ==========================================================================
   SIDEBAR
   ========================================================================== */

.sidebar { padding-left: 1.5rem; border-left: 1px solid var(--lg-border); }
.widget { margin-bottom: 2rem; }
.widget__title { font-family: var(--font-display); font-size: 1rem; font-weight: 700; padding-bottom: 0.3rem; border-bottom: 2px solid var(--lg-ink); margin-bottom: 0.8rem; }

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer { background: var(--lg-ink); color: rgba(240,235,224,0.6); padding: 2.5rem 0 1.2rem; font-size: 0.9rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.footer-col__title { font-family: var(--font-accent); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: #f0ebe0; margin-bottom: 0.8rem; padding-bottom: 0.3rem; border-bottom: 2px solid var(--lg-accent); }
.footer-col ul { list-style: none; padding: 0; } .footer-col li { margin-bottom: 0.35rem; }
.footer-col a { color: rgba(240,235,224,0.5); text-decoration: none; } .footer-col a:hover { color: #f0ebe0; }
.footer-bottom { padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.06); display: flex; justify-content: space-between; align-items: center; font-size: 0.75rem; font-family: var(--font-accent); flex-wrap: wrap; gap: 0.5rem; }

/* ==========================================================================
   MISC
   ========================================================================== */

.ai-generated-badge { font-family: var(--font-mono); font-size: 0.6rem; color: var(--lg-text-light); }
.lg-ad-slot { margin: 1.2rem 0; text-align: center; }
.lg-share { margin: 1rem 0; }

/* ==========================================================================
   RESPONSIVE — Complementa Bootstrap breakpoints
   ========================================================================== */

@media (max-width: 991.98px) {
    .hero-grid { grid-template-columns: 1fr 1fr; }
    .hero-main { grid-row: auto; grid-column: 1 / -1; }
    .search-filters { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .sidebar { padding-left: 0; border-left: none; border-top: 1px solid var(--lg-border); padding-top: 1.5rem; margin-top: 1.5rem; }
}

@media (max-width: 767.98px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-main .book-card__cover { height: 260px; }
    .blog-grid { grid-template-columns: 1fr; }
    .blog-card--featured { grid-template-columns: 1fr; }
    .search-filters { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .lg-book-cover-wrap { position: static; max-width: 250px; margin: 0 auto 1.5rem; }
}

@media (max-width: 575.98px) {
    .lg-grid--books { grid-template-columns: repeat(auto-fill, minmax(145px, 1fr)); gap: 0.8rem; }
    .book-card__cover { height: 190px; }
    .book-card__body { padding: 0.6rem; }
    .book-card__title { font-size: 0.85rem; }
    .section-header__title { font-size: 1.15rem; }
    .entry-content { font-size: 0.95rem; }
    .lg-book-title { font-size: 1.4rem; }
}

@media print {
    .lg-navbar, .site-footer, .lg-topbar, .lg-genre-bar, .download-buttons, .lg-rating-box, .lg-ad-slot, .lg-share { display: none !important; }
    body { background: #fff; color: #000; }
}