/* ==========================================================================
   Biblioteca del lector
   --------------------------------------------------------------------------
   1. Barra de seis estados de la ficha (la de ZonaTMO: icono de color,
      etiqueta y contador público).
   2. Menú rápido sobre cada portada (marcador en la esquina de la tarjeta).
   3. Pestañas por estado en /users/bookmark.
   4. Directorio público de listas (/user-lists).
   Cada estado trae su color en --lib-color (App\Support\MbLibrary).
   ========================================================================== */

:root {
    --lib-surface: #ffffff;
    --lib-surface-2: #f5f7fa;
    --lib-line: #e3e8ee;
    --lib-text: #2b3a48;
    --lib-text-2: #6b7c8c;
    --lib-radius: 10px;
    --lib-ease: cubic-bezier(.2, .8, .2, 1);
}
body.dark-mode, body.dark {
    --lib-surface: #14202b;
    --lib-surface-2: #1b2a37;
    --lib-line: rgba(255, 255, 255, .08);
    --lib-text: #e6edf3;
    --lib-text-2: #93a4b5;
}

/* 1. Barra de la ficha ---------------------------------------------------- */
.mb-library { padding: 12px; }
.mb-library__buttons {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 8px;
}
.mb-library__btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-height: 82px;
    padding: 10px 4px 8px;
    border: 1px solid var(--lib-line);
    border-radius: var(--lib-radius);
    background: var(--lib-surface-2);
    color: var(--lib-text-2);
    font: inherit;
    cursor: pointer;
    transition: transform .18s var(--lib-ease), background-color .18s, border-color .18s, color .18s;
}
.mb-library__btn i { font-size: 26px; color: var(--lib-color); transition: transform .25s var(--lib-ease); }
.mb-library__label { font-size: 13px; line-height: 1.2; text-align: center; }
.mb-library__count { font-size: 11px; font-weight: 700; font-variant-numeric: tabular-nums; opacity: .8; }
.mb-library__btn:hover { border-color: var(--lib-color); color: var(--lib-text); }
.mb-library__btn:hover i { transform: scale(1.12); }
.mb-library__btn:active { transform: scale(.96); }
.mb-library__btn:focus-visible { outline: 2px solid var(--lib-color); outline-offset: 2px; }
.mb-library__btn.is-active {
    background: var(--lib-color);
    border-color: var(--lib-color);
    color: #fff;
}
.mb-library__btn.is-active i { color: #fff; }
.mb-library__btn.is-busy { opacity: .55; pointer-events: none; }
.mb-library__hint { margin: 10px 0 0; text-align: center; font-size: 13px; color: var(--lib-text-2); }
.mb-library__hint a { font-weight: 600; }

@media (max-width: 640px) {
    .mb-library__buttons { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .mb-library__btn { min-height: 72px; }
    .mb-library__btn i { font-size: 22px; }
}

/* 2. Menú rápido de las portadas ------------------------------------------ */
.book-item .thumb { position: relative; }
.mb-lib-quick {
    position: absolute;
    top: 6px;
    right: 6px;
    z-index: 3;
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: rgba(10, 18, 26, .72);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    backdrop-filter: blur(4px);
    transition: transform .18s var(--lib-ease), background-color .18s;
}
.mb-lib-quick:hover { transform: scale(1.08); background: rgba(10, 18, 26, .9); }
.mb-lib-quick.has-status { background: var(--lib-color, #1e88e5); }
.mb-lib-quick:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

.mb-lib-pop {
    position: absolute;
    z-index: 1000;
    width: 210px;
    padding: 6px;
    border: 1px solid var(--lib-line);
    border-radius: var(--lib-radius);
    background: var(--lib-surface);
    box-shadow: 0 12px 32px rgba(0, 0, 0, .22);
    opacity: 0;
    transform: translateY(-4px) scale(.98);
    transform-origin: top right;
    transition: opacity .16s, transform .2s var(--lib-ease);
    pointer-events: none;
}
.mb-lib-pop.is-open { opacity: 1; transform: none; pointer-events: auto; }
.mb-lib-pop__title { padding: 6px 8px 4px; font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--lib-text-2); }
.mb-lib-pop__item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px;
    border: 0;
    border-radius: 7px;
    background: none;
    color: var(--lib-text);
    font: inherit;
    font-size: 14px;
    text-align: left;
    cursor: pointer;
}
.mb-lib-pop__item i { width: 18px; text-align: center; color: var(--lib-color); }
.mb-lib-pop__item:hover, .mb-lib-pop__item:focus-visible { background: var(--lib-surface-2); outline: none; }
.mb-lib-pop__item.is-active { background: var(--lib-color); color: #fff; }
.mb-lib-pop__item.is-active i { color: #fff; }
.mb-lib-pop__item .check { margin-left: auto; font-size: 12px; visibility: hidden; }
.mb-lib-pop__item.is-active .check { visibility: visible; }

/* 3. Pestañas de /users/bookmark ------------------------------------------ */
.mb-lib-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; }
.mb-lib-tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border: 1px solid var(--lib-line);
    border-radius: 999px;
    color: var(--lib-text-2);
    font-size: 13px;
    text-decoration: none;
    transition: border-color .18s, background-color .18s, color .18s;
}
.mb-lib-tab i { color: var(--lib-color); }
.mb-lib-tab b { font-variant-numeric: tabular-nums; }
.mb-lib-tab:hover { border-color: var(--lib-color); color: var(--lib-text); text-decoration: none; }
.mb-lib-tab.is-active { background: var(--lib-color); border-color: var(--lib-color); color: #fff; }
.mb-lib-tab.is-active i { color: #fff; }

/* 4. Directorio de listas ------------------------------------------------- */
.mb-ulists__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; }
.mb-ulists__head h1 { margin: 0; font-size: 22px; }
.mb-ulists__head p { margin: 4px 0 0; color: var(--lib-text-2); font-size: 14px; }
.mb-ulists__sort { display: flex; gap: 8px; padding: 0 16px 14px; }
.mb-ulists__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 14px;
}
.mb-ulist {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--lib-line);
    border-radius: var(--lib-radius);
    background: var(--lib-surface);
    color: var(--lib-text);
    overflow: hidden;
    text-decoration: none;
    transition: transform .2s var(--lib-ease), box-shadow .2s;
}
.mb-ulist:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0, 0, 0, .14); text-decoration: none; color: var(--lib-text); }
.mb-ulist__covers { display: grid; grid-template-columns: repeat(3, 1fr); aspect-ratio: 3 / 1.5; background: var(--lib-surface-2); }
.mb-ulist__covers img { width: 100%; height: 100%; object-fit: cover; }
.mb-ulist__body { padding: 10px 12px 12px; }
.mb-ulist__title { margin: 0 0 4px; font-size: 15px; font-weight: 700; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mb-ulist__by { font-size: 12px; color: var(--lib-text-2); }
.mb-ulist__stats { display: flex; gap: 12px; margin-top: 8px; font-size: 12px; color: var(--lib-text-2); font-variant-numeric: tabular-nums; }
.mb-ulists__empty { padding: 40px 16px; text-align: center; color: var(--lib-text-2); }

@media (prefers-reduced-motion: reduce) {
    .mb-library__btn, .mb-library__btn i, .mb-lib-quick, .mb-lib-pop, .mb-ulist { transition: none; }
}