/*
 * Arte Villalba — Visor de Proyectos
 *
 * Esta hoja está intencionalmente sin minificar para poder personalizarla.
 * Las variables de la primera sección son el punto más simple para cambiar
 * el fondo y la apariencia de la barra de controles.
 */

/* 1. Contenedor general del visor */
.av-project-viewer {
    --av-accent:  #F0EFEB;
    /* Cambia este valor para aclarar u oscurecer el fondo del Canvas. */
    --av-background: #F0EFEB;
    --av-panel: rgba(10, 10, 10, .88);

    position: relative;
    isolation: isolate;
    overflow: hidden;
    min-height: 360px;
    height: min(78vh, 920px);
    background: var(--av-background);
    color: #F0EFEB;

    /* En escritorio el visor administra todos los gestos. */
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    outline: none;
}

/* Anillo visible para navegación por teclado. */
.av-project-viewer:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 3px;
}

/* 2. Área de la página renderizada en Canvas */
.av-project-viewer__stage {
    position: absolute;
    inset: 0;
    cursor: grab;
}

.av-project-viewer__stage:active {
    cursor: grabbing;
}

.av-project-viewer__canvas {
    display: block;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* 3. Carga y mensajes de error */
.av-project-viewer__loading {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    pointer-events: none;
    transition: opacity .2s;
}

.av-project-viewer__loading span {
    width: 34px;
    height: 34px;
    border: 2px solid rgba(255, 255, 255, .26);
    border-top-color: #fff;
    border-radius: 50%;
    animation: av-spin .8s linear infinite;
}

.av-project-viewer.is-ready .av-project-viewer__loading {
    opacity: 0;
}

.av-project-viewer__error {
    max-width: 310px;
    margin: 0;
    padding: 14px 17px;
    border: 1px solid rgba(255, 255, 255, .3);
    background: rgba(15, 15, 15, .93);
    color: #fff;
    text-align: center;
    font: 500 14px/1.45 system-ui, sans-serif;
}

.av-project-viewer__fallback {
    display: none;
}

@keyframes av-spin {
    to {
        transform: rotate(360deg);
    }
}

/* 4. Barra inferior de navegación y zoom */
.av-project-viewer__toolbar {
    position: absolute;
    z-index: 2;
    left: 50%;
    bottom: 18px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px;
    transform: translateX(-50%);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 8px;
    background: var(--av-panel);
    box-shadow: 0 5px 22px rgba(0, 0, 0, .35);
    opacity: .72;
    transition: opacity .2s;
}

.av-project-viewer:hover .av-project-viewer__toolbar,
.av-project-viewer:focus-within .av-project-viewer__toolbar {
    opacity: 1;
}

.av-project-viewer__button {
    min-width: 35px;
    height: 34px;
    padding: 0 9px;
    border: 0;
    border-radius: 4px;
    appearance: none;
    background: transparent;
    color: inherit;
    font: 400 30px/1 system-ui, sans-serif;
    cursor: pointer;
}

/* Botones +, − y pantalla completa. */
.av-project-viewer__button--text {
    font-size: 19px;
}

.av-project-viewer__button:hover,
.av-project-viewer__button:focus-visible {
    outline: none;
    background: #fff;
    color: #090909;
}

.av-project-viewer__counter {
    min-width: 52px;
    text-align: center;
    font: 500 12px/1 system-ui, sans-serif;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.av-project-viewer__separator {
    width: 1px;
    height: 20px;
    margin: 0 3px;
    background: rgba(255, 255, 255, .25);
}

/* 5. Pantalla completa */
.av-project-viewer:fullscreen {
    width: 100%;
    height: 100%;
    max-height: none;
}

.av-project-viewer:fullscreen .av-project-viewer__toolbar {
    bottom: 28px;
}

/*
 * 6. Móvil
 * --av-mobile-height se calcula con JavaScript según la proporción de la
 * página. El valor de respaldo controla el alto mientras carga la primera.
 * touch-action: pan-y deja que el gesto vertical haga scroll de la página.
 */
@media (max-width: 600px) {
    .av-project-viewer {
        min-height: 0;
        height: var(--av-mobile-height, clamp(250px, 48svh, 430px));
        touch-action: pan-y;
    }

    .av-project-viewer__toolbar {
        bottom: 10px;
        gap: 1px;
        padding: 4px;
    }

    .av-project-viewer__button {
        min-width: 31px;
        height: 32px;
        padding: 0 6px;
    }

    .av-project-viewer__counter {
        min-width: 45px;
        font-size: 11px;
    }

    .av-project-viewer__separator {
        margin: 0 1px;
    }
}