/*
 Theme Name: GP Child Terminal
 Description: Terminal/CRT theme inspired by blog.rice.is
 Template: generatepress
 Version: 2.2
*/

/* ============================================================
   VARIABLES – paleta Dracula
   ============================================================ */
:root {
    --term-bg:           #282a36;
    --term-fg:           #f8f8f2;
    --term-fg-dim:       #c0c0c0;
    --term-fg-bright:    #ffffff;
    --term-accent:       #42e66c;
    --term-accent-hover: #6aeda8;
    --term-red:          #ff5555;
    --term-yellow:       #f1fa8c;
    --term-green:        #42e66c;
    --term-purple:       #bd93f9;
    --term-cyan:         #8be9fd;
    --term-titlebar-bg:  #21222c;
    --term-chrome-bg:    #1e1f29;
    --term-sidebar-bg:   #242530;
    --term-code-bg:      #21222c;
    --term-selection:    #44475a;
    --term-muted:        #6272a4;
    --term-border:       #44475a;
    --font-mono: "IBM Plex Mono", "Fira Mono", "Courier New", monospace;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0; padding: 0;
    background: var(--term-chrome-bg) !important;
    color: var(--term-fg) !important;
    font-family: var(--font-mono) !important;
    font-size: 15px !important;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

::selection { background: var(--term-selection); color: var(--term-fg-bright); }

/* ============================================================
   APAGAR GENERATEPRESS
   ============================================================ */
.site-header,
.main-navigation,
.nav-bar-items,
.navigation-branding,
#mobile-menu,
.mobile-menu-control-wrap { display: none !important; }

.site-content, .content-area, #primary, .site-main,
.inside-article, .entry-header, .entry-content, .entry-footer,
.page-header, .grid-container, .inside-site-branding, .site-inner {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    float: none !important;
    width: 100% !important;
    background: transparent !important;
    box-shadow: none !important;
}

.widget-area, #secondary { display: none !important; }

/* Footer – ocultar el texto "GeneratePress" blanco */
.site-footer {
    background: var(--term-chrome-bg) !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
}
.inside-footer-widgets, .footer-bar,
.footer-widget-1, .footer-widget-2,
.footer-bar-wrap, .footer-bar-inner {
    background: var(--term-chrome-bg) !important;
    color: var(--term-muted) !important;
    font-family: var(--font-mono) !important;
    font-size: 12px !important;
    padding: 8px 20px !important;
    border-top: 1px solid var(--term-border) !important;
    border-bottom: none !important;
    text-align: left !important;
}
/* Nuclear — matar cualquier fondo blanco residual de GP */
.site-footer *, .footer-bar *, .footer-bar-wrap * {
    background-color: transparent !important;
    color: var(--term-muted) !important;
}
.footer-bar a, .inside-footer-widgets a {
    color: var(--term-muted) !important;
    text-decoration: none;
}
.footer-bar a:hover, .inside-footer-widgets a:hover {
    color: var(--term-accent) !important;
}

/* ============================================================
   VENTANA TERMINAL
   ============================================================ */
.fpb-terminal-window {
    max-width: 72rem;
    margin: 1.5rem auto;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--term-border);
    box-shadow: 0 24px 64px rgba(0,0,0,.65);
    background: var(--term-bg);
    position: relative;
    /* Evitar CLS: no animar layout en load */
    contain: layout style;
}

/* Scanlines CRT – sutil */
.fpb-terminal-window::after {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        rgba(0,0,0,.025) 0px, rgba(0,0,0,.025) 1px,
        transparent 1px, transparent 2px
    );
    pointer-events: none;
    z-index: 999;
}

/* ============================================================
   BARRA DE TÍTULO
   ============================================================ */
.fpb-titlebar {
    background: var(--term-titlebar-bg);
    padding: 11px 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--term-border);
    user-select: none;
    /* Altura fija para evitar CLS */
    min-height: 36px;
}
.fpb-titlebar-dots { display: flex; gap: 7px; flex-shrink: 0; }
.fpb-dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    /* Dimensiones explícitas → sin CLS */
    flex-shrink: 0;
}
.fpb-dot-close    { background: var(--term-red); }
.fpb-dot-minimize { background: var(--term-yellow); }
.fpb-dot-maximize { background: var(--term-green); }
.fpb-titlebar-text {
    flex: 1;
    text-align: center;
    color: #6a6a7a;
    font-size: 12px;
    font-family: var(--font-mono);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: .02em;
}

/* ============================================================
   NAVEGACIÓN
   ============================================================ */
.fpb-term-nav {
    padding: 0 16px;
    border-bottom: 1px solid var(--term-border);
    display: flex;
    align-items: stretch;
    gap: 0;
    background: var(--term-bg);
    /* Altura fija → evita CLS */
    min-height: 44px;
    overflow-x: auto;
    scrollbar-width: none;
}
.fpb-term-nav::-webkit-scrollbar { display: none; }

.fpb-term-nav a {
    display: flex;
    align-items: center;
    padding: 0 18px;
    color: var(--term-muted);
    text-decoration: none !important;
    white-space: nowrap;
    font-size: 13px;
    font-family: var(--font-mono);
    transition: color .15s, background .15s;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px; /* alinea con el borde inferior del nav */
    letter-spacing: .02em;
}
.fpb-term-nav a::before {
    content: "$ ";
    color: var(--term-border);
    font-weight: 400;
    transition: color .15s;
}
.fpb-term-nav a:hover {
    color: var(--term-fg) !important;
    background: rgba(255,255,255,.03);
}
.fpb-term-nav a:hover::before { color: var(--term-muted); }

/* Activo: subrayado verde + texto brillante */
.fpb-term-nav a.fpb-nav-active {
    color: var(--term-fg-bright) !important;
    border-bottom-color: var(--term-accent);
    background: rgba(66,230,108,.05);
}
.fpb-term-nav a.fpb-nav-active::before { color: var(--term-accent); }

/* ============================================================
   CUERPO
   ============================================================ */
.fpb-term-body { padding: 32px 36px; min-height: 60vh; }

/* ============================================================
   TIPOGRAFÍA
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-mono) !important;
    font-weight: 600;
    color: var(--term-accent) !important;
    margin: 1.6rem 0 .65rem;
    line-height: 1.3;
}
h1 { font-size: 1.5rem  !important; }
h2 { font-size: 1.25rem !important; }
h3 { font-size: 1.1rem  !important; }
h4, h5, h6 { font-size: 1rem !important; }
h1:first-child { margin-top: 0; }

/* Prefijos markdown SOLO en contenido de libros */
.fpb-book-content h1::before { content: "# ";   color: var(--term-muted); font-weight: 400; }
.fpb-book-content h2::before { content: "## ";  color: var(--term-muted); font-weight: 400; }
.fpb-book-content h3::before { content: "### "; color: var(--term-muted); font-weight: 400; }

/* Resto de h1/h2/h3: sin prefijo */
h1::before, h2::before, h3::before { content: none; }

p { margin: 0 0 1.35rem; font-family: var(--font-mono); color: var(--term-fg); }

a, a:visited { color: var(--term-accent) !important; text-decoration: none; }
a:hover { color: var(--term-accent-hover) !important; }

ul { margin: 0 0 1.35rem; padding-left: 1.2rem; }
ul li::marker { content: '\203A\00A0'; color: var(--term-muted); }
ol { margin: 0 0 1.35rem; padding-left: 1.75rem; }
ol li::marker { color: var(--term-muted); }

blockquote {
    position: relative;
    margin: 0 0 1.35rem 1.5rem;
    color: var(--term-fg-dim);
    font-style: normal;
    border-left: none;
}
blockquote::before {
    content: ">";
    position: absolute;
    left: -1.4rem;
    color: var(--term-muted);
}

code, kbd {
    background: var(--term-code-bg) !important;
    color: var(--term-accent) !important;
    font-family: var(--font-mono) !important;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: .9em;
}
pre {
    background: var(--term-code-bg) !important;
    border: 1px solid var(--term-border) !important;
    border-radius: 4px;
    padding: 1.25rem 1.5rem;
    overflow-x: auto;
    margin: 0 0 1.35rem;
    font-family: var(--font-mono) !important;
    font-size: .88em;
}
pre code { background: transparent !important; color: var(--term-fg) !important; padding: 0; }

hr { border: 0; margin: 1.75rem 0; }
hr::after { content: '────────────────────'; color: var(--term-border); font-family: var(--font-mono); display: block; letter-spacing: .1em; }

b, strong { font-weight: 700; color: var(--term-fg-bright) !important; }
em, i { color: var(--term-fg-dim); font-style: italic; }

table { width: 100%; border-spacing: 0; margin: 0 0 1.35rem; font-size: .88em; }
th, td { padding: 7px 12px; border-bottom: 1px solid var(--term-border); vertical-align: top; text-align: left; color: var(--term-fg); }
th { color: var(--term-fg-bright) !important; font-weight: 600; border-bottom-color: var(--term-muted); }
th:first-child, td:first-child { padding-left: 0; }

/* Imágenes – aspect-ratio explícito en thumbnails evita CLS */
img { max-width: 100%; height: auto; border-radius: 4px; border: 1px solid var(--term-border); }

/* ============================================================
   CONTAINER
   ============================================================ */
.fpb-container { max-width: 100%; margin: 0; padding: 0; }

/* ============================================================
   HERO – limpio, solo nombre del sitio
   ============================================================ */
.fpb-hero { padding: 0 0 2rem; }

.fpb-site-name {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--term-accent);
    margin: 0 0 .6rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}
.fpb-site-name-bracket {
    color: var(--term-muted);
    font-weight: 400;
}

.fpb-subtitle {
    color: var(--term-fg-dim);
    font-size: .9rem;
    margin: 0 0 0;
    max-width: 620px;
    font-family: var(--font-mono);
    line-height: 1.65;
}

/* ============================================================
   SEARCH
   ============================================================ */
.fpb-search { padding: 1.75rem 0; }
.fpb-search form {
    display: flex;
    max-width: 600px;
    border: 1px solid var(--term-border);
    border-radius: 5px;
    overflow: hidden;
    transition: border-color .15s;
}
.fpb-search form:focus-within { border-color: var(--term-accent); }

.fpb-search input[type="search"] {
    flex: 1;
    background: var(--term-code-bg) !important;
    border: none !important;
    color: var(--term-fg) !important;
    font-family: var(--font-mono) !important;
    font-size: .88rem;
    padding: .7rem 1rem;
    outline: none;
    box-shadow: none !important;
    /* Evita zoom en iOS */
    font-size: max(.88rem, 16px);
}
.fpb-search input[type="search"]::placeholder { color: var(--term-muted); }

.fpb-search-btn {
    background: transparent;
    color: var(--term-accent);
    border: none;
    border-left: 1px solid var(--term-border);
    font-family: var(--font-mono);
    font-size: .85rem;
    font-weight: 600;
    padding: .7rem 1.1rem;
    cursor: pointer;
    transition: background .15s, color .15s;
    white-space: nowrap;
    letter-spacing: .05em;
}
.fpb-search-btn:hover {
    background: var(--term-accent);
    color: var(--term-bg);
}

/* ============================================================
   SECTION TITLES – sin prefijo ##, estilo "label"
   ============================================================ */
.fpb-section { padding: 2rem 0; }
.fpb-section + .fpb-section { border-top: 1px solid rgba(68,71,90,.5); }

.fpb-section-soft {
    background: var(--term-sidebar-bg);
    border-radius: 6px;
    padding: 1.5rem 1.75rem;
    margin: 0 0 .5rem;
    border: 1px solid var(--term-border);
}

.fpb-section-title {
    font-size: .7rem !important;
    font-weight: 700;
    color: var(--term-muted) !important;
    margin: 0 0 1.1rem !important;
    font-family: var(--font-mono) !important;
    text-transform: uppercase;
    letter-spacing: .12em;
}
.fpb-section-title::before { content: none !important; }

/* ============================================================
   BOOK CARDS
   Aspect ratio explícito en thumbnails → cero CLS
   ============================================================ */
.fpb-books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
    gap: .9rem;
}

.fpb-book-card {
    background: var(--term-code-bg) !important;
    border: 1px solid var(--term-border) !important;
    border-radius: 5px;
    overflow: hidden;
    transition: border-color .15s, box-shadow .15s;
    box-shadow: none !important;
    /* Contener para evitar repaint */
    contain: layout;
}
.fpb-book-card:hover {
    border-color: var(--term-accent) !important;
    box-shadow: 0 0 0 1px var(--term-accent) !important;
}
.fpb-book-card a { text-decoration: none !important; display: block; }

.fpb-book-thumb {
    /* Ratio fijo → evita CLS mientras carga la imagen */
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: var(--term-sidebar-bg);
}
.fpb-book-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 0;
    border: none;
    border-bottom: 1px solid var(--term-border);
}

.fpb-book-title {
    font-size: .78rem !important;
    font-family: var(--font-mono) !important;
    font-weight: 500;
    color: var(--term-fg-dim) !important;
    padding: .55rem .65rem .6rem;
    margin: 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.fpb-book-title::before { content: none !important; }
.fpb-book-card:hover .fpb-book-title { color: var(--term-accent) !important; }

/* ============================================================
   CATEGORY CARDS
   ============================================================ */
.fpb-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
    gap: .65rem;
}
.fpb-category-card {
    display: flex !important;
    flex-direction: column;
    padding: .8rem 1rem;
    background: var(--term-bg) !important;
    border: 1px solid var(--term-border) !important;
    border-radius: 4px;
    text-decoration: none !important;
    transition: border-color .15s, background .15s;
    gap: .15rem;
}
.fpb-category-card:hover {
    border-color: var(--term-accent) !important;
    background: rgba(66,230,108,.04) !important;
}
/* Quitar el › del ::before general, lo ponemos en strong */
.fpb-category-card::before { content: none !important; }

.fpb-category-card strong {
    color: var(--term-fg-bright) !important;
    font-size: .88rem;
    font-family: var(--font-mono);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: .4rem;
}
.fpb-category-card strong::before {
    content: "›";
    color: var(--term-muted);
    font-weight: 400;
    flex-shrink: 0;
}
.fpb-category-card span {
    font-size: .75rem;
    color: var(--term-muted) !important;
    font-family: var(--font-mono);
    padding-left: .9rem;
}
.fpb-child-topic {
    padding-left: 1.4rem;
    border-left: 2px solid var(--term-border);
    opacity: .8;
}

/* ============================================================
   BOTONES
   ============================================================ */
.fpb-more { margin-top: 1.25rem; }

.fpb-button {
    display: inline-flex;
    align-items: center;
    gap: .4em;
    padding: .5rem 1.1rem;
    border-radius: 4px;
    background: transparent !important;
    color: var(--term-accent) !important;
    border: 1px solid var(--term-border);
    text-decoration: none !important;
    font-family: var(--font-mono) !important;
    font-size: .82rem;
    font-weight: 600;
    letter-spacing: .04em;
    transition: border-color .15s, background .15s, color .15s;
}
.fpb-button::before {
    content: "$";
    color: var(--term-muted);
    font-weight: 400;
    flex-shrink: 0;
}
.fpb-button:hover {
    border-color: var(--term-accent);
    background: rgba(66,230,108,.08) !important;
    color: var(--term-accent-hover) !important;
}
.fpb-secondary {
    border-color: var(--term-border);
    color: var(--term-purple) !important;
}
.fpb-secondary:hover {
    border-color: var(--term-purple);
    background: rgba(189,147,249,.08) !important;
    color: var(--term-purple) !important;
}

/* ============================================================
   ARCHIVE HEADER
   ============================================================ */
.fpb-archive-header { margin-bottom: 2rem; }
.fpb-archive-title {
    font-size: 1.4rem !important;
    color: var(--term-fg-bright) !important;
    margin: 0 0 .65rem !important;
    font-family: var(--font-mono) !important;
    font-weight: 700;
}
.fpb-archive-title::before { content: none !important; }
.fpb-archive-description p {
    color: var(--term-fg-dim);
    font-size: .88rem;
    margin-bottom: .5rem;
    max-width: 640px;
}

/* ============================================================
   BREADCRUMBS
   ============================================================ */
.breadcrumbs {
    font-size: .78rem;
    color: var(--term-muted);
    font-family: var(--font-mono);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .3rem .4rem;
}
.breadcrumbs a { color: var(--term-muted) !important; }
.breadcrumbs a:hover { color: var(--term-fg-dim) !important; }
/* Separador › */
.breadcrumbs > *:not(:first-child)::before { content: " › "; color: var(--term-border); margin-right: .4rem; }

/* ============================================================
   SINGLE LIBRO
   ============================================================ */
.fpb-book-header { margin-bottom: 1.5rem; }

.fpb-book-header h1,
.single-libro .entry-title,
.single-libro h1 {
    font-size: 1.45rem !important;
    color: var(--term-fg-bright) !important;
    font-family: var(--font-mono) !important;
    font-weight: 700;
    margin: 0 0 .5rem !important;
    line-height: 1.3;
}
.fpb-book-header h1::before,
.single-libro h1::before { content: none !important; }

.fpb-book-author {
    color: var(--term-fg-dim);
    font-size: .88rem;
    font-family: var(--font-mono);
    margin: 0 0 .25rem;
}
.fpb-book-year { color: var(--term-muted); margin-left: 4px; }

.fpb-book-cover {
    float: right;
    margin: 0 0 1.5rem 2rem;
    max-width: 175px;
    border-radius: 4px;
    overflow: hidden;
}
.fpb-book-cover img {
    width: 100%;
    display: block;
    border-radius: 4px;
}

.fpb-book-content {
    color: var(--term-fg);
    font-family: var(--font-mono);
    font-size: .92rem;
    line-height: 1.75;
    margin-bottom: 2rem;
    clear: left;
}

.fpb-book-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin: 1.5rem 0;
    padding-top: 1.25rem;
    border-top: 1px solid var(--term-border);
}

.fpb-related-books {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--term-border);
}
.fpb-related-books h2 { font-size: 1rem !important; color: var(--term-muted) !important; letter-spacing: .08em; text-transform: uppercase; margin-bottom: .75rem !important; }
.fpb-related-books h2::before { content: none !important; }
.fpb-related-books ul { list-style: none !important; padding: 0; margin: 0; }
.fpb-related-books li { margin-bottom: .35rem; font-size: .88rem; }
.fpb-related-books li::before { content: "→ "; color: var(--term-muted); font-size: .8em; }
.fpb-related-books a { color: var(--term-fg-dim) !important; }
.fpb-related-books a:hover { color: var(--term-accent) !important; }

/* ============================================================
   PAGINACIÓN
   ============================================================ */
.fpb-pagination, .navigation.pagination {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--term-border);
}
.page-numbers {
    display: inline-block;
    padding: 4px 10px;
    color: var(--term-muted) !important;
    font-family: var(--font-mono);
    font-size: .82rem;
    text-decoration: none !important;
    border: 1px solid transparent;
    border-radius: 3px;
    transition: border-color .15s, color .15s;
    margin: 0 2px;
}
.page-numbers:hover { border-color: var(--term-border); color: var(--term-fg-dim) !important; }
.page-numbers.current { border-color: var(--term-accent); color: var(--term-accent) !important; }

/* ============================================================
   CURSOR
   ============================================================ */
.fpb-cursor {
    display: inline-block;
    width: .55em; height: 1.05em;
    background: var(--term-fg);
    vertical-align: text-bottom;
    animation: fpb-blink 1s step-end infinite;
    border-radius: 1px;
}
@keyframes fpb-blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ============================================================
   UTILS
   ============================================================ */
.fpb-empty { color: var(--term-muted); font-family: var(--font-mono); font-size: .88rem; }

/* ============================================================
   RENDIMIENTO – font-display swap, will-change mínimo
   ============================================================ */
@font-face {
    font-family: "IBM Plex Mono";
    font-display: swap;
}

/* Transiciones solo donde el usuario las va a notar */
.fpb-book-card, .fpb-category-card, .fpb-button,
.fpb-term-nav a, .fpb-search-btn, .page-numbers {
    will-change: auto;
}

/* ============================================================
   MÓVIL – sin CLS, layout estable
   ============================================================ */
@media (max-width: 600px) {
    .fpb-terminal-window {
        margin: 0;
        border-radius: 0;
        border-left: none;
        border-right: none;
        min-height: 100svh;
    }
    .fpb-term-body { padding: 18px 16px; }
    .fpb-titlebar { padding: 10px 12px; }
    .fpb-titlebar-text { font-size: 11px; }

    .fpb-books-grid { grid-template-columns: repeat(2, 1fr); gap: .65rem; }
    .fpb-categories-grid { grid-template-columns: repeat(2, 1fr); gap: .5rem; }

    .fpb-search form { max-width: 100%; }
    /* Evitar zoom al enfocar input en iOS */
    .fpb-search input[type="search"] { font-size: 16px; }

    .fpb-book-cover {
        float: none;
        margin: 0 0 1.25rem;
        max-width: 130px;
    }

    .fpb-site-name { font-size: 1.2rem; }
    .fpb-subtitle { font-size: .85rem; }

    .fpb-book-actions { flex-direction: column; }
    .fpb-button { justify-content: center; }
}

@media (min-width: 640px) {
    .fpb-books-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 900px) {
    .fpb-books-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1100px) {
    .fpb-books-grid { grid-template-columns: repeat(5, 1fr); }
}