/* Lotees - estilos base */

:root {
    --lt-fondo: #1c2230;
    --lt-superficie: #262e3f;
    --lt-borde: #38425a;
    --lt-texto: #eef1f6;
    --lt-tenue: #9aa4b8;
    --lt-foco: #f2b544;
    --lt-foco-texto: #1c2230;
    --lt-error: #e5484d;
    --lt-ok: #3db88b;

    --lt-fuente: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
    --lt-radio: 10px;
    --lt-radio-tecla: 50%;

    --lt-t-s: 0.875rem;
    --lt-t-m: 1rem;
    --lt-t-l: 1.25rem;
    --lt-t-xl: 1.75rem;
    --lt-t-marca: 2.5rem;

    color-scheme: dark;
    box-sizing: border-box;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

*,
*::before,
*::after {
    box-sizing: inherit;
}

[hidden] {
    display: none !important;
}

html,
body {
    height: 100%;
    margin: 0;
}

body {
    background: var(--lt-fondo);
    color: var(--lt-texto);
    font-family: var(--lt-fuente);
    font-size: var(--lt-t-m);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

code {
    font-size: 0.95em;
    color: var(--lt-foco);
}

a {
    color: var(--lt-foco);
}

:focus-visible {
    outline: 3px solid var(--lt-foco);
    outline-offset: 3px;
}

/* Página centrada (instalación y acceso) */

.lt-pagina {
    display: grid;
    place-items: center;
    min-height: 100%;
    padding: 1.5rem;
}

.lt-caja {
    width: 100%;
    max-width: 26rem;
}

.lt-caja--centrada {
    text-align: center;
}

.lt-marca {
    margin: 0 0 1.5rem;
    font-size: var(--lt-t-marca);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
}

.lt-titulo {
    margin: 0 0 0.5rem;
    font-size: var(--lt-t-l);
    font-weight: 650;
}

.lt-texto {
    margin: 0 0 1.25rem;
    color: var(--lt-tenue);
}

.lt-texto--error {
    color: var(--lt-error);
}

.lt-aviso {
    margin: 0 0 1.25rem;
    padding: 0.75rem 1rem;
    border-left: 4px solid var(--lt-tenue);
    background: var(--lt-superficie);
    border-radius: 0 var(--lt-radio) var(--lt-radio) 0;
}

.lt-aviso--error {
    border-left-color: var(--lt-error);
}

.lt-aviso--ok {
    border-left-color: var(--lt-ok);
}

/* Formularios */

.lt-formulario {
    display: grid;
    gap: 1rem;
}

.lt-campo {
    display: grid;
    gap: 0.35rem;
    font-size: var(--lt-t-s);
    color: var(--lt-tenue);
}

.lt-campo input {
    width: 100%;
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--lt-borde);
    border-radius: var(--lt-radio);
    background: var(--lt-fondo);
    color: var(--lt-texto);
    font: inherit;
    font-size: var(--lt-t-l);
    letter-spacing: 0.2em;
}

.lt-campo input:focus {
    border-color: var(--lt-foco);
    outline: none;
}

.lt-boton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0 1.25rem;
    border: 1px solid var(--lt-borde);
    border-radius: var(--lt-radio);
    background: var(--lt-superficie);
    color: var(--lt-texto);
    font: inherit;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}

.lt-boton:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.lt-boton--principal {
    border-color: var(--lt-foco);
    background: var(--lt-foco);
    color: var(--lt-foco-texto);
}

/* Acceso por PIN */

.lt-pin-luces {
    display: flex;
    gap: 0.9rem;
    justify-content: center;
    min-height: 1.25rem;
    margin: 0 0 1rem;
}

.lt-pin-luz {
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--lt-borde);
    border-radius: 50%;
    transition: background-color 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
}

.lt-pin-luz--encendida {
    border-color: var(--lt-foco);
    background: var(--lt-foco);
    box-shadow: 0 0 14px 2px rgba(242, 181, 68, 0.55);
}

.lt-pin-mensaje {
    min-height: 1.5rem;
    margin: 0 0 1.25rem;
    text-align: center;
    color: var(--lt-tenue);
    font-size: var(--lt-t-s);
}

.lt-pin-mensaje--error {
    color: var(--lt-error);
}

.lt-teclado {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    justify-items: center;
}

.lt-tecla {
    width: 4.75rem;
    height: 4.75rem;
    border: 1px solid var(--lt-borde);
    border-radius: var(--lt-radio-tecla);
    background: var(--lt-superficie);
    color: var(--lt-texto);
    font: inherit;
    font-size: var(--lt-t-xl);
    font-weight: 500;
    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.lt-tecla:active {
    background: var(--lt-borde);
}

.lt-tecla--accion {
    font-size: var(--lt-t-s);
    font-weight: 600;
    background: transparent;
}

.lt-tecla--entrar {
    border-color: var(--lt-foco);
    color: var(--lt-foco);
}

.lt-tecla:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Panel de control */

.lt-panel {
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.lt-cabecera {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--lt-borde);
}

.lt-cabecera .lt-marca {
    margin: 0;
    font-size: var(--lt-t-xl);
}

.lt-contenido {
    flex: 1;
    width: 100%;
    max-width: 80rem;
    padding: 2rem 1.5rem;
}

.lt-seccion--estrecha {
    max-width: 32rem;
}

.lt-seccion + .lt-seccion {
    margin-top: 2.5rem;
}

.lt-pie {
    padding: 1rem 1.5rem;
    color: var(--lt-tenue);
    font-size: var(--lt-t-s);
}

/* Pestañas */

.lt-pestanas {
    display: flex;
    gap: 0.25rem;
    margin-right: auto;
    margin-left: 1.5rem;
}

.lt-pestana {
    min-height: 2.75rem;
    padding: 0 1rem;
    border: 0;
    border-bottom: 3px solid transparent;
    background: transparent;
    color: var(--lt-tenue);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.lt-pestana[aria-pressed="true"] {
    border-bottom-color: var(--lt-foco);
    color: var(--lt-texto);
}

/* Botones adicionales */

.lt-boton--pequeno {
    min-height: 2.25rem;
    padding: 0 0.8rem;
    font-size: var(--lt-t-s);
}

.lt-boton--peligro {
    border-color: var(--lt-error);
    background: var(--lt-error);
    color: #ffffff;
}

.lt-oculto {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.lt-campo select,
.lt-campo textarea {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--lt-borde);
    border-radius: var(--lt-radio);
    background: var(--lt-fondo);
    color: var(--lt-texto);
    font: inherit;
}

.lt-campo textarea {
    resize: vertical;
    line-height: 1.5;
}

.lt-campo input[type="text"] {
    font-size: var(--lt-t-m);
    letter-spacing: normal;
}

.lt-campo select:focus,
.lt-campo textarea:focus {
    border-color: var(--lt-foco);
    outline: none;
}

/* Biblioteca */

.lt-barra {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.lt-barra .lt-titulo {
    margin: 0;
}

.lt-barra-acciones {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.lt-filtros {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.lt-filtro {
    min-height: 2.25rem;
    padding: 0 0.9rem;
    border: 1px solid var(--lt-borde);
    border-radius: 999px;
    background: transparent;
    color: var(--lt-tenue);
    font: inherit;
    font-size: var(--lt-t-s);
    cursor: pointer;
}

.lt-filtro[aria-pressed="true"] {
    border-color: var(--lt-texto);
    color: var(--lt-texto);
}

.lt-cola {
    display: grid;
    gap: 0.75rem;
    margin: 0 0 1.25rem;
    padding: 0;
    list-style: none;
}

.lt-cola-item {
    display: grid;
    gap: 0.4rem;
    padding: 0.75rem 1rem;
    border-left: 4px solid var(--lt-foco);
    background: var(--lt-superficie);
    border-radius: 0 var(--lt-radio) var(--lt-radio) 0;
}

.lt-cola-cabecera {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.lt-cola-titulo {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lt-cola-progreso {
    width: 100%;
    height: 0.4rem;
    accent-color: var(--lt-foco);
}

.lt-cola-estado {
    color: var(--lt-tenue);
    font-size: var(--lt-t-s);
}

.lt-cola-estado.lt-texto--error {
    color: var(--lt-error);
}

.lt-rejilla {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
    gap: 1.75rem 1.25rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.lt-rejilla-vacia {
    grid-column: 1 / -1;
    padding: 3rem 1rem;
    border: 2px dashed var(--lt-borde);
    border-radius: var(--lt-radio);
    color: var(--lt-tenue);
    text-align: center;
}

.lt-recurso {
    display: grid;
    gap: 0.6rem;
    align-content: start;
}

.lt-recurso-abrir {
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

/* Cada recurso se ve en un marco 16:9, como en la TV */
.lt-pantalla {
    display: grid;
    place-items: center;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border: 6px solid #0e1219;
    border-radius: 6px;
    background: #000000;
    box-shadow: 0 0 0 1px var(--lt-borde);
}

.lt-recurso-abrir:hover .lt-pantalla,
.lt-recurso-abrir:focus-visible .lt-pantalla {
    box-shadow: 0 0 0 2px var(--lt-foco);
}

.lt-pantalla-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.lt-pantalla-tipo {
    color: var(--lt-tenue);
    font-size: var(--lt-t-l);
    font-weight: 700;
}

.lt-pantalla--texto {
    place-items: start;
    padding: 0.75rem 0.9rem;
    background: #10141c;
}

.lt-pantalla-texto {
    display: -webkit-box;
    overflow: hidden;
    color: var(--lt-texto);
    font-size: var(--lt-t-s);
    line-height: 1.4;
    text-align: left;
    white-space: pre-line;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
}

.lt-recurso-info {
    display: grid;
    gap: 0.1rem;
    min-width: 0;
}

.lt-recurso-titulo {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lt-recurso-meta {
    color: var(--lt-tenue);
    font-size: var(--lt-t-s);
}

.lt-recurso-acciones {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Diálogos */

.lt-dialogo {
    width: min(40rem, calc(100vw - 2rem));
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 1.5rem;
    border: 1px solid var(--lt-borde);
    border-radius: var(--lt-radio);
    background: var(--lt-superficie);
    color: var(--lt-texto);
}

.lt-dialogo::backdrop {
    background: rgba(8, 10, 15, 0.75);
}

.lt-dialogo-acciones {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.lt-preparar-lista {
    display: grid;
    gap: 1rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.lt-preparar-fila {
    display: grid;
    gap: 0.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--lt-borde);
}

.lt-preparar-nombre {
    overflow-wrap: anywhere;
    font-weight: 600;
}

.lt-preparar-campos {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 0.75rem;
}

.lt-dialogo--vista {
    width: min(64rem, calc(100vw - 2rem));
}

.lt-vista-cabecera {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.lt-vista-cabecera .lt-titulo {
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lt-vista-cuerpo {
    display: grid;
    place-items: center;
    min-height: 12rem;
    background: #000000;
    border-radius: 6px;
}

.lt-vista-img,
.lt-vista-video {
    display: block;
    max-width: 100%;
    max-height: calc(100vh - 12rem);
    object-fit: contain;
}

.lt-vista-texto {
    width: 100%;
    max-height: calc(100vh - 12rem);
    overflow: auto;
    padding: 1.5rem;
    background: var(--lt-fondo);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.lt-vista-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1rem;
}

.lt-vista-nav .lt-texto {
    margin: 0;
}

/* Charlas */

.lt-lista-charlas {
    display: grid;
    gap: 0.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.lt-charla {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border: 1px solid var(--lt-borde);
    border-radius: var(--lt-radio);
}

.lt-charla-info {
    display: grid;
    gap: 0.25rem;
    min-width: 0;
    flex: 1 1 18rem;
}

.lt-charla-titulo {
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--lt-texto);
    font: inherit;
    font-size: var(--lt-t-l);
    font-weight: 700;
    text-align: left;
    cursor: pointer;
}

.lt-charla-descripcion {
    margin: 0;
    color: var(--lt-tenue);
    white-space: pre-line;
}

.lt-editor-cabecera {
    display: grid;
    justify-items: start;
    gap: 0.5rem;
    min-width: 0;
}

.lt-editor-cabecera .lt-texto {
    margin: 0;
    white-space: pre-line;
}

/* Escenas: la secuencia de la charla */

.lt-escenas {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.lt-escena {
    display: grid;
    grid-template-columns: 2.5rem 12rem minmax(0, 1fr) auto;
    align-items: start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--lt-borde);
}

.lt-escena:first-child {
    border-top: 1px solid var(--lt-borde);
}

.lt-escena-numero {
    color: var(--lt-foco);
    font-size: var(--lt-t-xl);
    font-weight: 800;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.lt-escena-pantalla {
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.lt-escena-pantalla:hover .lt-pantalla,
.lt-escena-pantalla:focus-visible .lt-pantalla {
    box-shadow: 0 0 0 2px var(--lt-foco);
}

.lt-escena-info {
    display: grid;
    gap: 0.25rem;
    min-width: 0;
}

.lt-escena-aviso {
    font-size: var(--lt-t-s);
}

.lt-escena-nota {
    display: -webkit-box;
    margin: 0.25rem 0 0;
    overflow: hidden;
    color: var(--lt-tenue);
    font-size: var(--lt-t-s);
    white-space: pre-line;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.lt-escena-nota strong {
    color: var(--lt-texto);
    font-weight: 600;
}

.lt-escena-acciones {
    display: grid;
    grid-template-columns: repeat(2, auto);
    gap: 0.5rem;
}

.lt-escena-recurso {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.lt-escena-recurso-vista {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
}

.lt-escena-recurso-mini {
    flex: 0 0 8rem;
}

.lt-escena-config {
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: var(--lt-radio);
    background: var(--lt-fondo);
}

.lt-casilla {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    min-height: 2.25rem;
    cursor: pointer;
}

.lt-casilla input {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--lt-foco);
}

.lt-campo input[type="number"] {
    max-width: 10rem;
    font-size: var(--lt-t-m);
    letter-spacing: normal;
}

.lt-pantalla--pizarra {
    background: #ffffff;
}

.lt-pantalla--pizarra .lt-pantalla-tipo {
    color: #1c2230;
}

.lt-pantalla--pizarra-negra {
    background: #111111;
}

.lt-rejilla--selector {
    grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
    max-height: calc(100vh - 16rem);
    overflow-y: auto;
    padding: 2px;
}

.lt-rejilla--selector .lt-recurso-abrir {
    display: grid;
    gap: 0.4rem;
    color: var(--lt-texto);
    font: inherit;
    text-align: left;
}

/* Diagnóstico y avisos */

.lt-titulo--separado {
    margin-top: 2.5rem;
}

.lt-diagnostico {
    display: grid;
    gap: 0.5rem;
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
}

.lt-diagnostico-item {
    display: grid;
    gap: 0.15rem;
    padding: 0.6rem 0.9rem;
    border-left: 4px solid var(--lt-ok);
    background: var(--lt-superficie);
    border-radius: 0 var(--lt-radio) var(--lt-radio) 0;
    font-size: var(--lt-t-s);
}

.lt-diagnostico-item span {
    color: var(--lt-tenue);
    overflow-wrap: anywhere;
}

.lt-diagnostico-item--fallo {
    border-left-color: var(--lt-error);
}

.lt-cola-item--error {
    border-left-color: var(--lt-error);
}

.lt-aviso-global {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1000;
    display: grid;
    gap: 0.25rem;
    padding: calc(env(safe-area-inset-top, 0px) + 0.75rem) 1rem 0.75rem;
    background: var(--lt-error);
    color: #ffffff;
    font-size: var(--lt-t-s);
}

.lt-aviso-global p {
    margin: 0;
    overflow-wrap: anywhere;
}

.lt-aviso-global .lt-boton {
    justify-self: end;
    order: 2;
}

@media (max-width: 900px) {
    .lt-escena {
        grid-template-columns: 2rem 9rem minmax(0, 1fr);
    }
    .lt-escena-acciones {
        grid-column: 2 / -1;
        display: flex;
        flex-wrap: wrap;
    }
}

@media (max-width: 640px) {
    .lt-cabecera {
        flex-wrap: wrap;
    }
    .lt-pestanas {
        order: 3;
        width: 100%;
        margin: 0;
    }
    .lt-preparar-campos {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .lt-pin-luz {
        transition: none;
    }
}

@media (max-height: 640px) {
    .lt-tecla {
        width: 4rem;
        height: 4rem;
    }
    .lt-teclado {
        gap: 0.75rem;
    }
}