/*
================================================================================
DIGITAL DOCUMENTS — HORIZONLABS
================================================================================
Archivo            : public/assets/css/dd_loader.css
Propósito          : Estilos del loader institucional animado (informe 093): pantalla de
                     arranque a pantalla completa (splash) al iniciar sesión y durante la
                     carga de la página, capa de carga sobre contenedores (modales, paneles)
                     y variante en línea. Cero dependencias; respeta movimiento reducido.
Creado por         : Oscar Hernández Pérez
Fecha de creación  : 2026-10-16
Última modificación: 2026-10-17

Historial:
- v0.12.4 | 2026-10-17 | Oscar Hernández Pérez | Velo del portal sin imagen (decisión del titular): desenfoque tenue y entrada escalonada de los bloques del contenido (dd-veil-hold).
- v0.12.4 | 2026-10-17 | Oscar Hernández Pérez | Splash en modo panel (solo sobre el formulario de acceso, vidrio esmerilado con entrada animada) y variante de contenido para el portal (velo bajo la barra superior y desenfoque que se enfoca al salir).
- v0.12.0 | 2026-10-16 | Oscar Hernández Pérez | Nodo de carga para paneles y ajuste de la sección con capa (fase 3).
- v0.12.0 | 2026-10-16 | Oscar Hernández Pérez | Splash con fondo difuminado (backdrop-filter) y sin texto visible por defecto.
- v0.12.0 | 2026-10-16 | Oscar Hernández Pérez | Creación del loader institucional (splash, capa de contenedor y variante en línea).
================================================================================
*/

/* ── Pantalla de arranque (splash) ──────────────────────────────────────────── */
.dd-splash {
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    /* Fondo difuminado: se ve la pantalla de acceso (o el portal que carga) desenfocada detrás */
    background: var(--dd-splash-bg, rgba(10, 14, 21, 0.5));
    -webkit-backdrop-filter: blur(14px) saturate(1.1);
    backdrop-filter: blur(14px) saturate(1.1);
    color: var(--dd-splash-fg, #e2e8f0);
    opacity: 1;
    transition: opacity 0.28s ease;
    /* Salvaguarda sin JavaScript: si nada la retira, se oculta sola a los 15 s */
    animation: ddSplashFailsafe 0s linear 15s forwards;
}
.dd-splash.is-leaving { opacity: 0; pointer-events: none; }
.dd-splash__img { width: 240px; height: 240px; display: block; }
.dd-splash__img--still { display: none; }
.dd-splash__label {
    margin: 0;
    font: 500 0.95rem/1.4 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
    letter-spacing: 0.01em;
}
/* Navegadores sin backdrop-filter: fondo más opaco para conservar la legibilidad */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .dd-splash { background: var(--dd-splash-bg, rgba(10, 14, 21, 0.92)); }
}
@keyframes ddSplashFailsafe { to { opacity: 0; visibility: hidden; pointer-events: none; } }

@media (max-width: 480px) {
    .dd-splash__img { width: 160px; height: 160px; }
}
@media (prefers-reduced-motion: reduce) {
    .dd-splash__img--anim { display: none; }
    .dd-splash__img--still { display: block; }
    .dd-splash { transition: none; }
    .dd-splash--panel, .dd-splash--panel .dd-splash__img { animation: none; }
    html.dd-veil-hold .dd-content > *, .dd-splash--content.is-leaving ~ .dd-content > * { opacity: 1; animation: none; }
    .dd-splash--content { transition: none; }
}

/* ── Variante panel: solo sobre el formulario de acceso (.dd-auth-main) ───────
   Vidrio esmerilado: el formulario se desenfoca detrás y la caja entra animada al centro. */
.dd-auth-main { position: relative; }
.dd-auth-main.is-loading { overflow: hidden; }
.dd-splash--panel {
    position: absolute;
    inset: 0;
    z-index: 5;
    gap: 0;
    background: var(--dd-splash-panel-bg, rgba(10, 14, 21, 0.3));
    -webkit-backdrop-filter: blur(10px) saturate(1.05);
    backdrop-filter: blur(10px) saturate(1.05);
    animation: ddSplashPanelIn 0.3s ease both, ddSplashFailsafe 0s linear 15s forwards;
}
.dd-splash--panel .dd-splash__img { width: 180px; height: 180px; animation: ddSplashBoxIn 0.35s cubic-bezier(0.22, 1, 0.36, 1) both; }
@keyframes ddSplashPanelIn {
    from { opacity: 0; -webkit-backdrop-filter: blur(0); backdrop-filter: blur(0); }
    to   { opacity: 1; -webkit-backdrop-filter: blur(10px) saturate(1.05); backdrop-filter: blur(10px) saturate(1.05); }
}
@keyframes ddSplashBoxIn {
    from { opacity: 0; transform: scale(0.9); }
    to   { opacity: 1; transform: none; }
}

/* ── Variante contenido: velo del portal tras iniciar sesión ──────────────────
   Cubre solo el área bajo la barra superior (el menú y el encabezado ya se ven). Es "sticky" y con margen
   inferior negativo para no desplazar nada. Al salir, el desenfoque baja a 0 (la pantalla "se enfoca") y
   el contenido entra con un leve deslizamiento. */
.dd-splash--content {
    --dd-sc-h: calc(100vh - var(--dd-env-banner-height, 0px) - var(--dd-topbar-h, 3.75rem));
    position: sticky;
    inset: auto;
    top: calc(var(--dd-env-banner-height, 0px) + var(--dd-topbar-h, 3.75rem));
    width: 100%;
    height: var(--dd-sc-h);
    margin-bottom: calc(-1 * var(--dd-sc-h));
    z-index: 60;
    transition: opacity 0.55s ease, backdrop-filter 0.55s ease, -webkit-backdrop-filter 0.55s ease;
}
@supports (height: 100dvh) {
    .dd-splash--content { --dd-sc-h: calc(100dvh - var(--dd-env-banner-height, 0px) - var(--dd-topbar-h, 3.75rem)); }
}
.dd-splash--content.is-leaving {
    opacity: 0;
    -webkit-backdrop-filter: blur(0) saturate(1);
    backdrop-filter: blur(0) saturate(1);
}
/* Sin imagen: un velo tenue que se enfoca. El contenido espera oculto (clase dd-veil-hold en <html>, puesta por
   el servidor junto al velo y retirada por dd_loader.js) y entra escalonado cuando el velo empieza a salir. */
.dd-splash--content { background: var(--dd-splash-content-bg, rgba(10, 14, 21, 0.16)); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
html.dd-veil-hold .dd-content > * { opacity: 0; animation: ddHoldRelease 0s linear 15s forwards; }
@keyframes ddHoldRelease { to { opacity: 1; } }
.dd-splash--content.is-leaving ~ .dd-content > * {
    opacity: 0;
    animation: ddContentIn 0.48s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.dd-splash--content.is-leaving ~ .dd-content > :nth-child(2) { animation-delay: 60ms; }
.dd-splash--content.is-leaving ~ .dd-content > :nth-child(3) { animation-delay: 120ms; }
.dd-splash--content.is-leaving ~ .dd-content > :nth-child(4) { animation-delay: 180ms; }
.dd-splash--content.is-leaving ~ .dd-content > :nth-child(5) { animation-delay: 240ms; }
.dd-splash--content.is-leaving ~ .dd-content > :nth-child(6) { animation-delay: 300ms; }
.dd-splash--content.is-leaving ~ .dd-content > :nth-child(7) { animation-delay: 360ms; }
.dd-splash--content.is-leaving ~ .dd-content > :nth-child(n+8) { animation-delay: 420ms; }
@keyframes ddContentIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: none; }
}

/* Sin JavaScript no se muestra el splash del lado del cliente */
.no-js .dd-splash { display: none; }

/* ── Nodo de carga para paneles que reemplazan su contenido (ayuda, notificaciones) ── */
.dd-loader-inline { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .4rem; padding: 1.25rem 1rem; color: var(--dd-text-muted, #475569); font: 500 .85rem/1.4 Inter, system-ui, sans-serif; }
.dd-loader-inline__img { display: block; width: 96px; height: 96px; }
.dd-loader-inline--md .dd-loader-inline__img { width: 160px; height: 160px; }
.dd-loader-inline--xs { display: inline-flex; flex-direction: row; padding: 0; vertical-align: middle; }
.dd-loader-inline--xs .dd-loader-inline__img { width: 28px; height: 28px; }

/* Sección con capa de carga: la capa ya atenúa el contenido, no se suma la atenuación anterior (.is-loading) */
.dd-sec-body.is-loading:has(> .dd-loader-layer) { opacity: 1; }

/* ── Capa de carga sobre un contenedor (modal, panel, tabla) ────────────────── */
.dd-loader-layer {
    position: absolute;
    inset: 0;
    z-index: 30;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* Arriba (no al centro): en secciones altas el loader debe quedar a la vista sin desplazarse */
    justify-content: flex-start;
    padding-top: 2.5rem;
    gap: 0.5rem;
    min-height: 120px;
    background: color-mix(in srgb, var(--dd-bg-surface, #fff) 82%, transparent);
    color: var(--dd-text-muted, #475569);
    font: 500 0.875rem/1.4 Inter, system-ui, sans-serif;
    opacity: 0;
    transition: opacity 0.18s ease;
}
.dd-loader-layer.is-visible { opacity: 1; }
.dd-loader-layer__img { display: block; width: 160px; height: 160px; }
.dd-loader-layer--inline .dd-loader-layer__img { width: 96px; height: 96px; }
.dd-loader-layer__retry { margin-top: 0.25rem; }
@media (prefers-reduced-motion: reduce) {
    .dd-loader-layer { transition: none; }
}

/* ── v0.13.5 · Retraso de aparición también para nodos y html(): lo gobierna --dd-loader-delay (Configuración › Apariencia) ── */
.dd-loader-inline { opacity: 0; animation: ddLoaderReveal .2s ease var(--dd-loader-delay, 250ms) forwards; }
@keyframes ddLoaderReveal { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .dd-loader-inline { animation-duration: .01s; } }

/* ── Skeletons detrás de la cajita: la silueta de lo que va a cargar, con tarjetas de la marca ─────────────── */
.dd-loader-layer--skel { background: color-mix(in srgb, var(--dd-bg-surface, #fff) 45%, var(--dd-bg-page, #f1f5f9)); justify-content: flex-start; padding-top: 5.5rem; }
.dd-loader-layer__skel { position: absolute; inset: 0; padding: 1rem; overflow: hidden; pointer-events: none; }
.dd-loader-layer--skel > .dd-loader-layer__img,
.dd-loader-layer--skel > .dd-loader-layer__label,
.dd-loader-inline--skel > .dd-loader-inline__img,
.dd-loader-inline--skel > .dd-loader-inline__label { position: relative; z-index: 1; }
/* La cajita va directa sobre las tarjetas del esqueleto (sin cuadro blanco): solo una sombra suave para separarla del fondo */
.dd-loader-layer--skel > .dd-loader-layer__img,
.dd-loader-inline--skel > .dd-loader-inline__img {
    width: 150px; height: 150px;
    filter: drop-shadow(0 10px 22px rgba(15, 23, 42, .22)) drop-shadow(0 0 1px rgba(15, 23, 42, .25));
}
.dd-loader-layer--skel > .dd-loader-layer__label,
.dd-loader-inline--skel > .dd-loader-inline__label { font-weight: 600; text-shadow: 0 1px 0 var(--dd-bg-surface, #fff), 0 0 8px var(--dd-bg-surface, #fff); }
.dd-loader-layer--skel > .dd-loader-layer__label:empty,
.dd-loader-inline--skel > .dd-loader-inline__label:empty { display: none; }
.dd-loader-inline--skel { position: relative; min-height: min(72vh, 640px); justify-content: center; padding: 0; overflow: hidden; background: transparent; }
.dd-loader-inline__skel { position: absolute; inset: 0; padding: .25rem 0; pointer-events: none; -webkit-mask-image: linear-gradient(#000 70%, transparent); mask-image: linear-gradient(#000 70%, transparent); }

.dd-skel { display: grid; gap: .8rem; width: 100%; align-content: start; opacity: .92; }
.dd-skel__card {
    display: grid; gap: .6rem; padding: .95rem 1rem; border-radius: 12px;
    background: var(--dd-bg-surface, #fff); border: 1px solid var(--dd-border, #e2e8f0); box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
}
.dd-skel__card--flush { padding: .35rem 1rem; gap: 0; }
.dd-skel__b {
    height: 10px; border-radius: 6px; flex: 0 0 auto;
    background: linear-gradient(90deg, #e6ebf3 25%, #f3f6fb 50%, #e6ebf3 75%); background-size: 220% 100%;
    animation: ddSkelShimmer 1.5s ease-in-out infinite;
}
.dd-skel__b.is-strong { background-color: #dbe3ee; background-image: linear-gradient(90deg, #dbe3ee 25%, #e9eef6 50%, #dbe3ee 75%); background-size: 220% 100%; }
.dd-skel__b.is-pill { border-radius: 999px; }
.dd-skel__b.is-field { border-radius: 8px; border: 1px solid var(--dd-border, #e2e8f0); background: var(--dd-bg-surface, #fff); animation: none; }
.dd-skel__b.is-btn { border-radius: 8px; background: color-mix(in srgb, var(--dd-accent-blue, #2563eb) 22%, #e6ebf3); animation: none; }
.dd-skel__stack { display: grid; gap: .4rem; flex: 1; min-width: 0; }
.dd-skel__dot { width: 34px; height: 34px; border-radius: 50%; background: #e6ebf3; flex: 0 0 auto; }
.dd-skel__dot.is-sq { border-radius: 10px; }
.dd-skel__dot.is-lg { width: 46px; height: 46px; border-radius: 12px; background: color-mix(in srgb, var(--dd-accent-blue, #2563eb) 14%, #e6ebf3); }
.dd-skel__dot.is-sm { width: 14px; height: 14px; }
.dd-skel__cardhead, .dd-skel__item, .dd-skel__toolbar, .dd-skel__tr, .dd-skel__thead, .dd-skel__foot, .dd-skel__step { display: flex; align-items: center; gap: .75rem; }
.dd-skel__toolbar { gap: .6rem; }
.dd-skel__table { display: grid; background: var(--dd-bg-surface, #fff); border: 1px solid var(--dd-border, #e2e8f0); border-radius: 12px; overflow: hidden; box-shadow: 0 1px 2px rgba(15, 23, 42, .04); }
.dd-skel__thead { padding: .7rem 1rem; gap: 1rem; background: color-mix(in srgb, var(--dd-border, #e2e8f0) 35%, var(--dd-bg-surface, #fff)); border-bottom: 1px solid var(--dd-border, #e2e8f0); }
.dd-skel__tr { padding: .8rem 1rem; gap: 1rem; border-bottom: 1px solid color-mix(in srgb, var(--dd-border, #e2e8f0) 55%, transparent); }
.dd-skel__tr:last-child { border-bottom: 0; }
.dd-skel__item { padding: .75rem 0; border-bottom: 1px solid color-mix(in srgb, var(--dd-border, #e2e8f0) 55%, transparent); }
.dd-skel__item:last-child { border-bottom: 0; }
.dd-skel__steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .5rem; padding: 0 .25rem; }
.dd-skel__step { gap: .5rem; }
.dd-skel__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; }
@keyframes ddSkelShimmer { from { background-position: 100% 0; } to { background-position: -100% 0; } }
@media (prefers-reduced-motion: reduce) { .dd-skel__b { animation: none; } }
@media (max-width: 900px) { .dd-skel__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
    .dd-skel__grid { grid-template-columns: 1fr; }
    .dd-skel__steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dd-loader-layer--skel > .dd-loader-layer__img, .dd-loader-inline--skel > .dd-loader-inline__img { width: 110px; height: 110px; }
}

/* ── v0.16.0 · Esqueleto «dashboard» (Centro de mando) ── */
.dd-skel__b.is-block { border-radius: 10px; background-color: #e9eef6; background-image: linear-gradient(90deg, #e6ebf3 25%, #f3f6fb 50%, #e6ebf3 75%); background-size: 220% 100%; }
.dd-skel__hero { background: linear-gradient(135deg, color-mix(in srgb, var(--dd-accent-blue, #2563eb) 10%, var(--dd-bg-surface, #fff)), var(--dd-bg-surface, #fff)); padding: 1.3rem 1.4rem; }
.dd-skel__dgrid { display: grid; gap: .8rem; }
.dd-skel__dgrid--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.dd-skel__dgrid--5-7 { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.dd-skel__dgrid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.dd-skel__dgrid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 1100px) { .dd-skel__dgrid--6 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .dd-skel__dgrid--5-7 { grid-template-columns: 1fr; } }
@media (max-width: 800px) { .dd-skel__dgrid--3, .dd-skel__dgrid--4 { grid-template-columns: 1fr; } .dd-skel__dgrid--6 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ── Piezas de los esqueletos «caja» y «formulario» ── */
.dd-skel__dot.is-xl { width: 76px; height: 76px; border-radius: 14px; background: color-mix(in srgb, var(--dd-accent-blue, #2563eb) 12%, #e6ebf3); }
.dd-skel__kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .6rem; }
.dd-skel__kpi { display: grid; gap: .45rem; padding: .75rem; border-radius: 10px; background: var(--dd-bg-surface, #fff); border: 1px solid var(--dd-border, #e2e8f0); }
.dd-skel__tabs { display: flex; gap: .5rem; }
.dd-skel__field { display: grid; gap: .4rem; }
@media (max-width: 640px) { .dd-skel__kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.dd-skel__seg { display: flex; align-items: center; gap: 1rem; padding: .3rem; border-radius: 12px; background: color-mix(in srgb, var(--dd-border, #e2e8f0) 40%, var(--dd-bg-surface, #fff)); }
.dd-skel__seg .dd-skel__b:first-child { flex: 0 0 auto; }
.dd-skel__bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.dd-skel__fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; }
@media (max-width: 640px) { .dd-skel__fields { grid-template-columns: 1fr; } }