/* ==========================================================
   SIMULADORES · CATÁLOGO
   Retro académico: cada simulador es una ficha con barra de
   ventana, papel cuadriculado y renglón punteado de cuaderno.
   Todo va bajo .sim-page para imponerse a las capas antiguas
   de pages.css sin tocar las clases que usa main.js.
   ========================================================== */

.sim-page {
    --sim-border: rgba(88, 123, 174, .28);
    --sim-line: rgba(120, 150, 200, .15);
    --sim-muted: #a9b5c8;
    --sim-dim: #8190a7;
    gap: 16px;
    max-width: 1450px;
    margin-inline: auto;
}

/* ---------- Cabecera ---------- */

.sim-page .catalog-hero {
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: center;
    height: auto;
    min-height: 0;
    max-height: none;
    overflow: hidden;
    isolation: isolate;
    border: 1px solid var(--sim-border);
    border-radius: var(--radius-xl);
    background:
        radial-gradient(55% 80% at 25% 50%, rgba(47, 124, 255, .16), transparent 70%),
        radial-gradient(50% 80% at 100% 110%, rgba(120, 70, 220, .18), transparent 65%),
        linear-gradient(180deg, #030914, #050b1b);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .03), 0 14px 34px rgba(0, 0, 0, .14);
}

.sim-page .catalog-hero::after { display: none; }

.sim-wave {
    position: absolute;
    inset: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
}

.sim-page .catalog-hero-visual {
    position: relative;
    inset: auto;
    z-index: 1;
    grid-column: 1;
    grid-row: 1;
    width: auto;
    height: auto;
    padding: 28px 12px 28px 28px;
}

.sim-page .catalog-hero-visual img {
    width: min(100%, 560px);
    max-height: 300px;
    filter: drop-shadow(0 26px 30px rgba(0, 0, 0, .55));
    animation: simFloat 7s ease-in-out infinite;
}

.sim-page .catalog-hero-copy {
    z-index: 2;
    grid-column: 2;
    grid-row: 1;
    padding: 44px 48px 44px 12px;
    transform: none;
}

.sim-page .catalog-hero .hero-kicker {
    color: #5b9dff;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: .14em;
}

.sim-page .catalog-title {
    max-width: 16ch;
    margin: 16px 0;
    color: #f6f8fd;
    font-family: var(--font-display);
    font-size: clamp(2.3rem, 1.4rem + 2.6vw, 3.8rem);
    font-weight: 700;
    letter-spacing: -.01em;
    line-height: 1;
    text-wrap: balance;
}

.sim-page .catalog-title span {
    color: #3a85ff;
    text-shadow: 0 0 32px rgba(47, 124, 255, .35);
}

.sim-page .catalog-intro {
    max-width: 52ch;
    color: var(--sim-muted);
    font-size: clamp(.95rem, .9rem + .2vw, 1.05rem);
    line-height: 1.65;
}

/* ---------- Buscador y filtros ---------- */

.sim-page .catalog-toolbar {
    padding: 12px;
    border: 1px solid var(--sim-border);
    border-radius: var(--radius-xl);
    background: linear-gradient(145deg, rgba(8, 16, 31, .96), rgba(4, 10, 21, .95));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .03), 0 14px 30px rgba(0, 0, 0, .14);
}

.sim-page .catalog-filters {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr) minmax(0, 1fr) auto;
    align-items: stretch;
    gap: 10px;
}

/* Campos con la misma altura, borde y foco. */
.sim-page .catalog-search,
.sim-page .catalog-select,
.sim-page .catalog-toolbar .catalog-view-toggle {
    min-height: 54px;
    border: 1px solid var(--sim-line);
    border-radius: 12px;
    background: rgba(2, 7, 16, .6);
    transition: border-color var(--duration) var(--ease-out), background-color var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out);
}

.sim-page .catalog-search:hover,
.sim-page .catalog-select:hover {
    border-color: rgba(47, 124, 255, .4);
    background: rgba(47, 124, 255, .04);
}

.sim-page .catalog-search:focus-within,
.sim-page .catalog-select:focus-within {
    border-color: rgba(47, 124, 255, .7);
    background: rgba(47, 124, 255, .06);
    box-shadow: 0 0 0 3px rgba(47, 124, 255, .16);
}

/* Buscador */
.sim-page .catalog-search {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 10px 0 16px;
}

.sim-page .catalog-search > i {
    color: #5b9dff;
    font-size: var(--text-lg);
}

.sim-page .catalog-search input {
    flex: 1;
    min-width: 0;
    height: 100%;
    padding: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: .9375rem;
    box-shadow: none;
}

.sim-page .catalog-search input::placeholder { color: var(--sim-dim); }
.sim-page .catalog-search input::-webkit-search-cancel-button { display: none; }

.sim-page .catalog-search-clear {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 0;
    border-radius: 8px;
    background: rgba(255, 255, 255, .05);
    color: var(--sim-muted);
    cursor: pointer;
    transition: background-color var(--duration) var(--ease-out), color var(--duration) var(--ease-out);
}

.sim-page .catalog-search-clear:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.sim-page .catalog-search-clear[hidden] { display: none; }

.sim-page .catalog-shortcut {
    flex: 0 0 auto;
    min-width: 26px;
    padding: 2px 8px;
    border: 1px solid var(--sim-line);
    border-radius: 6px;
    background: rgba(255, 255, 255, .04);
    color: var(--sim-dim);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    text-align: center;
}

/* El atajo «/» solo se muestra mientras el campo está en reposo. */
.sim-page .catalog-search:focus-within .catalog-shortcut,
.sim-page .catalog-search:has(.catalog-search-clear:not([hidden])) .catalog-shortcut { display: none; }

/* Categoría y semestre */
.sim-page .catalog-select {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 34px 0 10px;
    cursor: pointer;
}

.sim-page .catalog-select-icon {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(91, 157, 255, .3);
    border-radius: 9px;
    background: rgba(91, 157, 255, .1);
    color: #6ea8ff;
    font-size: var(--text-md);
    transition: background-color var(--duration) var(--ease-out), color var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out);
}

.sim-page .catalog-select-content {
    display: grid;
    flex: 1;
    gap: 2px;
    min-width: 0;
}

.sim-page .catalog-select-label {
    color: var(--sim-dim);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: .1em;
    text-transform: uppercase;
}

.sim-page .catalog-select select {
    width: 100%;
    min-width: 0;
    overflow: hidden;
    border: 0;
    background: transparent;
    color: #e4ecf8;
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
    -webkit-appearance: none;
    appearance: none;
}

.sim-page .catalog-select::after {
    right: 14px;
    border-color: var(--sim-dim);
    transition: transform var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out);
}

.sim-page .catalog-select:focus-within::after { border-color: #6ea8ff; }

/* Con un valor elegido, el filtro se marca para que se vea qué está activo. */
.sim-page .catalog-select.is-set {
    border-color: rgba(47, 124, 255, .55);
    background: rgba(47, 124, 255, .08);
}

.sim-page .catalog-select.is-set .catalog-select-icon {
    border-color: transparent;
    background: var(--color-primary-strong);
    color: #fff;
    box-shadow: 0 0 14px rgba(47, 124, 255, .45);
}

.sim-page .catalog-select.is-set .catalog-select-label { color: #6ea8ff; }

/* Vista cuadrícula / lista */
.sim-page .catalog-toolbar .catalog-view-toggle {
    display: grid;
    grid-template-columns: repeat(2, 44px);
    align-items: center;
    align-self: stretch;
    gap: 4px;
    padding: 4px;
}

.sim-page .catalog-toolbar .catalog-view-toggle button {
    display: grid;
    place-items: center;
    width: 44px;
    height: 100%;
    min-height: 40px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--sim-dim);
    font-size: var(--text-md);
    transition: background-color var(--duration) var(--ease-out), color var(--duration) var(--ease-out);
}

.sim-page .catalog-toolbar .catalog-view-toggle button:hover { color: #fff; background: rgba(255, 255, 255, .06); }

.sim-page .catalog-toolbar .catalog-view-toggle button.is-active {
    background: var(--color-primary-strong);
    color: #fff;
    box-shadow: 0 0 14px rgba(47, 124, 255, .4);
}

.sim-filters-break { display: none; }

/* ---------- Cabecera de resultados y filtros activos ---------- */

.sim-results-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
    margin: 2px 4px 14px;
}

.sim-results-count {
    margin: 0;
    color: var(--sim-muted);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
}

.sim-results-count b { color: #fff; font-weight: 600; }
.sim-results-prompt { margin-right: 4px; color: var(--color-success); }

.sim-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.sim-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 32px;
    padding: 4px 8px 4px 12px;
    border: 1px solid rgba(47, 124, 255, .4);
    border-radius: var(--radius-pill);
    background: rgba(47, 124, 255, .1);
    color: #d6e3ff;
    font-size: var(--text-xs);
    font-weight: 600;
    text-decoration: none;
    transition: background-color var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out);
}

.sim-chip > i:first-child { color: #6ea8ff; }

.sim-chip > i:last-child {
    display: grid;
    place-items: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
    font-size: var(--text-md);
    transition: transform var(--duration) var(--ease-out), background-color var(--duration) var(--ease-out);
}

.sim-chip:hover { border-color: rgba(47, 124, 255, .7); background: rgba(47, 124, 255, .18); color: #fff; }
.sim-chip:hover > i:last-child { background: rgba(255, 255, 255, .16); transform: rotate(90deg); }

.sim-clear {
    color: var(--sim-dim);
    font-size: var(--text-xs);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.sim-clear:hover { color: #fff; }

/* ---------- Fichas (vista de cuadrícula) ---------- */

.sim-page .catalog-grid:not(.is-list) {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
    gap: 16px;
}

.sim-page .catalog-grid:not(.is-list) .catalog-card {
    --cat: var(--category-color, var(--color-primary));
    container-type: inline-size;
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 0;
    border: 1px solid color-mix(in srgb, var(--cat) 26%, rgba(88, 123, 174, .22));
    border-radius: var(--radius-xl);
    background: linear-gradient(165deg, color-mix(in srgb, var(--cat) 8%, #060d1a), #040a15 62%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .03), 0 14px 30px rgba(0, 0, 0, .18);
}

/* Barra de ventana: tres puntos, carpeta de la categoría y menú. */
.sim-page .catalog-grid:not(.is-list) .catalog-card-top {
    gap: 10px;
    min-height: 40px;
    padding: 4px 6px 4px 14px;
    border-bottom: 1px solid color-mix(in srgb, var(--cat) 20%, transparent);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    background: color-mix(in srgb, var(--cat) 7%, rgba(255, 255, 255, .015));
}

.sim-page .catalog-grid:not(.is-list) .catalog-card-top::before {
    content: "";
    flex: 0 0 auto;
    width: 8px;
    height: 8px;
    margin-right: 26px;
    border-radius: 50%;
    background: #e0605a;
    box-shadow: 13px 0 0 #d9a842, 26px 0 0 #3fb36e;
    opacity: .7;
    transition: opacity var(--duration) var(--ease-out);
}

.sim-page .catalog-grid:not(.is-list) .catalog-card:hover .catalog-card-top::before { opacity: 1; }

.sim-page .catalog-grid .catalog-category-tag {
    min-width: 0;
    max-width: none;
    margin-right: auto;
    padding: 0;
    overflow: hidden;
    border: 0;
    background: none;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: .08em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sim-page .catalog-grid:not(.is-list) .catalog-category-tag::before {
    content: "~/";
    margin-right: 2px;
    color: var(--sim-dim);
}

/* Cuerpo: icono, título y descripción sobre papel cuadriculado. */
.sim-page .catalog-grid:not(.is-list) .catalog-card-content {
    position: relative;
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    align-items: start;
    gap: 14px;
    min-height: 0;
    margin: 0;
    padding: 20px 18px 0;
}

.sim-page .catalog-grid:not(.is-list) .catalog-card-content::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 140px;
    height: 110px;
    background-image:
        linear-gradient(color-mix(in srgb, var(--cat) 16%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--cat) 16%, transparent) 1px, transparent 1px);
    background-size: 14px 14px;
    -webkit-mask-image: radial-gradient(ellipse at top right, #000, transparent 70%);
    mask-image: radial-gradient(ellipse at top right, #000, transparent 70%);
    pointer-events: none;
}

.sim-page .catalog-grid:not(.is-list) .catalog-card-icon {
    position: relative;
    width: 52px;
    height: 52px;
    border: 1px solid color-mix(in srgb, var(--cat) 40%, transparent);
    border-radius: 12px;
    background: color-mix(in srgb, var(--cat) 14%, transparent);
    color: var(--cat);
    font-size: 24px;
    box-shadow: 0 0 22px color-mix(in srgb, var(--cat) 14%, transparent);
    transition: transform var(--duration) var(--ease-out);
}

.sim-page .catalog-grid:not(.is-list) .catalog-card:hover .catalog-card-icon { transform: rotate(-6deg) scale(1.06); }

.sim-page .catalog-grid:not(.is-list) .catalog-card-copy { position: relative; min-width: 0; }

.sim-page .catalog-grid:not(.is-list) .catalog-card-title {
    min-height: 0;
    margin: 2px 0 8px;
    padding: 0;
    color: #f2f5fa;
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    line-height: 1.15;
    text-wrap: balance;
}

.sim-page .catalog-grid:not(.is-list) .catalog-card-description {
    display: -webkit-box;
    min-height: 0;
    overflow: hidden;
    color: var(--sim-muted);
    font-size: var(--text-sm);
    line-height: 1.55;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-clamp: 3;
}

/* Datos en una sola fila, sobre un renglón punteado de cuaderno. */
.sim-page .catalog-grid:not(.is-list) .catalog-card-meta {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin: 18px 18px 0;
    padding: 12px 0 0;
    border-top: 1px dashed color-mix(in srgb, var(--cat) 30%, rgba(120, 150, 200, .2));
    color: #c4cfdf;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    white-space: nowrap;
}

.sim-page .catalog-grid:not(.is-list) .catalog-card-meta span + span {
    padding-left: 0;
    border-left: 0;
}

.sim-page .catalog-grid:not(.is-list) .catalog-card-meta > span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.sim-page .catalog-grid:not(.is-list) .catalog-card-meta i {
    margin: 0;
    color: color-mix(in srgb, var(--cat) 75%, white);
}

/* Botones: ancho fijo para compartir, el resto para Iniciar; misma altura. */
.sim-page .catalog-grid:not(.is-list) .catalog-card-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 44px;
    gap: 10px;
    margin-top: auto;
    padding: 18px;
    border-top: 0;
}

.sim-page .catalog-start-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary-strong), var(--color-primary-deep));
    color: #fff;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 700;
    box-shadow: 0 8px 22px rgba(24, 103, 242, .25), inset 0 1px 0 rgba(255, 255, 255, .2);
    transition: transform var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out);
}

.sim-page .catalog-start-link i { font-size: var(--text-md); transition: transform var(--duration) var(--ease-out); }

.sim-page .catalog-start-link:hover {
    background: linear-gradient(135deg, var(--color-primary-strong), var(--color-primary-deep));
    box-shadow: 0 10px 28px rgba(24, 103, 242, .38), inset 0 1px 0 rgba(255, 255, 255, .24);
    transform: translateY(-1px);
}

.sim-page .catalog-start-link:hover i { transform: scale(1.15); }

.sim-page .catalog-open-button {
    width: 44px;
    height: 44px;
    border: 1px solid var(--sim-line);
    border-radius: 10px;
    background: rgba(255, 255, 255, .03);
    color: #b8cbe6;
    transition: border-color var(--duration) var(--ease-out), background-color var(--duration) var(--ease-out), color var(--duration) var(--ease-out);
}

.sim-page .catalog-open-button:hover {
    border-color: rgba(47, 124, 255, .5);
    background: rgba(47, 124, 255, .1);
    color: #fff;
    box-shadow: none;
}

/* Fichas estrechas: los datos quedan en cifras con su icono; la etiqueta
   sigue disponible para lectores de pantalla. */
@container (max-width: 320px) {
    .sim-page .catalog-card .sim-meta-label {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
        white-space: nowrap;
    }

    .sim-page .catalog-grid:not(.is-list) .catalog-card-meta { justify-content: flex-start; gap: 14px; }
}

@container (max-width: 230px) {
    .sim-page .catalog-grid:not(.is-list) .catalog-card-top::before { display: none; }

    .sim-page .catalog-grid:not(.is-list) .catalog-card-content {
        grid-template-columns: minmax(0, 1fr);
        gap: 10px;
        padding: 14px 12px 0;
    }

    .sim-page .catalog-grid:not(.is-list) .catalog-card-icon { width: 40px; height: 40px; font-size: 19px; border-radius: 10px; }
    .sim-page .catalog-grid:not(.is-list) .catalog-card-title { margin: 0 0 6px; font-size: var(--text-md); }
    .sim-page .catalog-grid:not(.is-list) .catalog-card-description { font-size: var(--text-xs); -webkit-line-clamp: 3; line-clamp: 3; }
    .sim-page .catalog-grid:not(.is-list) .catalog-card-meta { gap: 8px; justify-content: space-between; margin: 14px 12px 0; padding-top: 10px; }
    .sim-page .catalog-grid:not(.is-list) .catalog-card-meta > span { gap: 4px; }
    .sim-page .catalog-grid:not(.is-list) .catalog-card-actions { grid-template-columns: minmax(0, 1fr) 40px; gap: 8px; padding: 14px 12px 12px; }
    .sim-page .catalog-grid:not(.is-list) .catalog-start-link { min-height: 40px; }
    .sim-page .catalog-grid:not(.is-list) .catalog-open-button { width: 40px; height: 40px; }
}

/* ---------- Adaptación ---------- */

@media (max-width: 1100px) {
    .sim-page .catalog-filters { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; }
    .sim-page .catalog-search { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
    /* Como en el resto del sitio, la ilustración va primero. */
    .sim-page .catalog-hero { grid-template-columns: minmax(0, 1fr); }
    .sim-page .catalog-hero-visual { grid-column: 1; grid-row: 1; padding: 24px 20px 0; }
    .sim-page .catalog-hero-visual img { width: min(100%, 440px); max-height: 230px; }
    .sim-page .catalog-hero-copy { grid-column: 1; grid-row: 2; padding: 12px 24px 32px; }
}

@media (max-width: 640px) {
    .sim-page { gap: 12px; }
    .sim-page .catalog-hero-copy { padding: 8px 18px 26px; }
    .sim-page .catalog-toolbar { padding: 10px; }

    /* Fila 1: buscador y vista; fila 2: categoría y semestre a partes iguales. */
    .sim-page .catalog-filters { display: flex; flex-wrap: wrap; gap: 8px; }
    .sim-page .catalog-search { flex: 1 1 0; order: 0; min-width: 0; min-height: 50px; padding-left: 12px; }
    .sim-page .sim-filters-break { display: block; flex: 0 0 100%; order: 2; height: 0; margin-top: -8px; }
    .sim-page .catalog-toolbar .catalog-view-toggle { flex: 0 0 auto; order: 1; min-height: 50px; grid-template-columns: repeat(2, 42px); }
    .sim-page .catalog-toolbar .catalog-view-toggle button { width: 42px; }
    .sim-page .catalog-select { flex: 1 1 0; order: 3; min-width: 0; min-height: 50px; gap: 8px; padding: 0 28px 0 8px; }
    .sim-page .catalog-select-icon { width: 30px; height: 30px; font-size: var(--text-base); }
    .sim-page .catalog-select select { font-size: var(--text-sm); }
    .sim-page .catalog-select::after { right: 11px; }
    .sim-page .catalog-shortcut { display: none; }

    /* Dos columnas para aprovechar el ancho del móvil. */
    .sim-page .catalog-grid:not(.is-list) {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }
}

@media (max-width: 340px) {
    .sim-page .catalog-grid:not(.is-list) { grid-template-columns: minmax(0, 1fr); }
}

@keyframes simFloat { 50% { transform: translate3d(0, -8px, 0); } }

@media (prefers-reduced-motion: reduce) {
    .sim-page .catalog-hero-visual img { animation: none; }
    .sim-page .catalog-start-link,
    .sim-page .catalog-start-link i,
    .sim-page .catalog-grid:not(.is-list) .catalog-card-icon { transition: none; }
    .sim-page .catalog-start-link:hover,
    .sim-page .catalog-start-link:hover i,
    .sim-page .catalog-grid:not(.is-list) .catalog-card:hover .catalog-card-icon { transform: none; }
}