/* Burbuja LSV: hover en escritorio; móvil/tablet con doble toque (sign-language-bubble.js).
 *
 * MP4 (H.264) no lleva transparencia en la web: el círculo se logra con
 * border-radius: 50%, overflow: hidden y object-fit: cover.
 */

:root {
    --sign-bubble-size: 140px;
    /* transparent: evita halo blanco en el antialias del círculo sobre fondo oscuro. Use #fff si la página es clara. */
    --sign-bubble-face: transparent;
    --sign-mobile-panel-bg: #141414;
    --sign-mobile-panel-border: #333;
    --sign-mobile-bubble-size: min(72vw, 280px);
}

.unisof-sign-bubble-wrap {
    position: fixed;
    z-index: 13000;
    width: var(--sign-bubble-size);
    height: var(--sign-bubble-size);
    border-radius: 50%;
    overflow: hidden;
    border: none;
    outline: none;
    box-shadow: none;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.96);
    transition: opacity 0.18s ease, visibility 0.18s ease, transform 0.18s ease;
    background: var(--sign-bubble-face);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.unisof-sign-bubble-wrap.is-visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

/* Modo táctil: la burbuja recibe toques (no cerrar al pulsar el vídeo; toque fuera en document). */
.unisof-sign-bubble-wrap.unisof-sign-bubble-wrap--interactive {
    pointer-events: auto;
}

.unisof-sign-bubble-wrap video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    pointer-events: none;
    border: none;
    outline: none;
    box-shadow: none;
    background: transparent;
    transform: translateZ(0);
}

.unisof-sign-bubble-wrap[data-anchor="element"] {
    transform: none;
}

.unisof-sign-bubble-wrap[data-anchor="element"].is-visible {
    transform: none;
}

.unisof-sign-mobile-backdrop {
    position: fixed;
    inset: 0;
    z-index: 11990;
    background: rgba(0, 0, 0, 0.55);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
}

.unisof-sign-mobile-backdrop.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.unisof-sign-mobile-panel {
    position: fixed;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%) translateY(100%);
    z-index: 11995;
    width: min(92vw, 360px);
    max-height: 55vh;
    background: var(--sign-mobile-panel-bg);
    border: 1px solid var(--sign-mobile-panel-border);
    border-radius: 20px 20px 0 0;
    padding: 16px 16px 20px;
    box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.5);
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
    pointer-events: none;
}

.unisof-sign-mobile-panel.is-open {
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.unisof-sign-mobile-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.unisof-sign-mobile-panel-title {
    font-size: 15px;
    font-weight: 600;
    color: #eee;
    margin: 0;
    flex: 1;
    min-width: 0;
}

.unisof-sign-mobile-close {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid #444;
    background: #222;
    color: #fff;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.unisof-sign-mobile-close:hover,
.unisof-sign-mobile-close:focus-visible {
    border-color: #f5a623;
    outline: none;
}

.unisof-sign-mobile-video-ring {
    width: var(--sign-mobile-bubble-size);
    height: var(--sign-mobile-bubble-size);
    margin: 0 auto;
    border-radius: 50%;
    overflow: hidden;
    border: none;
    outline: none;
    box-shadow: none;
    background: #000;
    flex-shrink: 0;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.unisof-sign-mobile-video-ring video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    border: none;
    outline: none;
    box-shadow: none;
    background: #000;
    /* Capa propia: evita pantalla negra en Edge al componer el vídeo en el panel */
    transform: translateZ(0);
}

.unisof-sign-mobile-hint {
    font-size: 12px;
    color: #888;
    text-align: center;
    margin: 12px 0 0;
    line-height: 1.4;
}

@media (prefers-reduced-motion: reduce) {
    .unisof-sign-bubble-wrap,
    .unisof-sign-mobile-backdrop,
    .unisof-sign-mobile-panel {
        transition: none;
    }

}