/* Insor PDF Interactivo — visor + modal */

.insor-ipi {
    position: relative;
    margin: 0 auto;
    max-width: 1100px;
}

/* ── Cargando ── */
.ipi-cargando {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 60px 20px;
    color: #444;
    font-size: 15px;
}
.ipi-spinner {
    width: 22px;
    height: 22px;
    border: 3px solid #cfd8e3;
    border-top-color: #005baa;
    border-radius: 50%;
    animation: ipi-girar 0.9s linear infinite;
}
@keyframes ipi-girar {
    to { transform: rotate(360deg); }
}

/* ── Toolbar ── */
.ipi-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 16px;
    padding: 8px 12px;
    background: #1e2a38;
    border-radius: 8px 8px 0 0;
    position: relative;
    z-index: 3;
}
.ipi-grupo {
    display: flex;
    align-items: center;
    gap: 6px;
}
.ipi-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 34px;
    padding: 0 10px;
    border: 0;
    border-radius: 6px;
    background: #34495e;
    color: #fff !important;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    text-decoration: none !important;
    transition: background 0.15s;
}
.ipi-btn:hover,
.ipi-btn:focus {
    background: #005baa;
    color: #fff !important;
}
.ipi-btn[aria-pressed="true"] {
    background: #005baa;
}
.ipi-pag-caja {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #dbe4ee;
    font-size: 14px;
    white-space: nowrap;
}
.ipi-pag-total {
    white-space: nowrap;
}
/* !important: el tema estiliza los input (fondo claro, texto gris, padding) */
.insor-ipi .ipi-pag {
    width: 58px !important;
    height: 32px !important;
    min-height: 0 !important;
    padding: 0 4px !important;
    margin: 0 !important;
    border: 1px solid #4a5f76 !important;
    border-radius: 6px !important;
    background: #0f1822 !important;
    color: #fff !important;
    text-align: center !important;
    font-size: 14px !important;
    line-height: 30px !important;
    box-shadow: none !important;
    -moz-appearance: textfield;
}
.ipi-pag::-webkit-outer-spin-button,
.ipi-pag::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.ipi-zoom-nivel {
    min-width: 48px;
    text-align: center;
    color: #dbe4ee;
    font-size: 13px;
}

/* ── Cuerpo: índice + scroller ── */
.ipi-cuerpo {
    display: flex;
    align-items: stretch;
    background: #52616f;
    border-radius: 0 0 8px 8px;
    overflow: hidden;
}
/* El tema puede forzar display en nav/div y anular el atributo hidden */
.insor-ipi [hidden] {
    display: none !important;
}

.ipi-indice {
    width: 280px;
    flex: 0 0 280px;
    max-height: var(--ipi-altura, 78vh);
    overflow-y: auto;
    background: #f4f6f9;
    border-right: 1px solid #d4dae2;
    padding: 10px 0;
}
.ipi-indice ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.ipi-indice li {
    margin: 0;
}
.ipi-indice-item {
    display: block;
    width: 100%;
    padding: 7px 14px;
    border: 0;
    background: none;
    text-align: left;
    font-size: 13.5px;
    color: #1e2a38;
    cursor: pointer;
}
.ipi-indice-item:hover,
.ipi-indice-item:focus {
    background: #dce8f5;
    color: #005baa;
}
.ipi-nivel-2 { padding-left: 28px; font-size: 13px; }
.ipi-nivel-3 { padding-left: 42px; font-size: 12.5px; }
.ipi-indice-vacio {
    padding: 12px 14px;
    color: #555;
    font-size: 13px;
}

/* Contenedor de la vista activa (continua o libro) */
.ipi-vista-cont {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.ipi-scroller {
    flex: 1 1 auto;
    height: var(--ipi-altura, 78vh);
    overflow: auto;
    padding: 12px;
    scroll-behavior: auto;
}
.ipi-paginas {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    width: max-content;
    min-width: 100%;
    margin: 0 auto;
}

/* ── Página ── */
.ipi-page {
    position: relative;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
    flex: 0 0 auto;
}
.ipi-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* Capa de texto de PDF.js (mínimo necesario) */
.insor-ipi .textLayer {
    position: absolute;
    inset: 0;
    overflow: clip;
    line-height: 1;
    text-align: initial;
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
    forced-color-adjust: none;
    transform-origin: 0 0;
    caret-color: CanvasText;
    z-index: 1;
}
.insor-ipi .textLayer span,
.insor-ipi .textLayer br {
    color: transparent;
    position: absolute;
    white-space: pre;
    cursor: text;
    transform-origin: 0% 0%;
}
.insor-ipi .textLayer ::selection {
    background: rgba(0, 91, 170, 0.3);
}

/* Capa de enlaces propia */
.ipi-links {
    position: absolute;
    inset: 0;
    z-index: 2;
}
.ipi-link {
    position: absolute;
    display: block;
    border-radius: 3px;
}
.ipi-link:hover,
.ipi-link:focus {
    background: rgba(0, 91, 170, 0.16);
    outline: 2px solid rgba(0, 91, 170, 0.55);
}
.ipi-link-video {
    cursor: pointer;
}

/* ── Modal ── */
.ipi-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 15, 22, 0.88);
    padding: 24px;
}
.ipi-modal[hidden] {
    display: none !important;
}
body.ipi-modal-abierto {
    overflow: hidden;
}
.ipi-modal-caja {
    position: relative;
    width: min(960px, 100%);
}
.ipi-modal-video {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}
.ipi-modal-video iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}
.ipi-modal-cerrar {
    position: absolute;
    top: -44px;
    right: 0;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 50%;
    background: #fff;
    color: #1e2a38;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
}
.ipi-modal-cerrar:hover,
.ipi-modal-cerrar:focus {
    background: #005baa;
    color: #fff;
}

/* ── Vista libro (flipbook) ── */
.ipi-fb-escenario {
    flex: 1 1 auto;
    height: var(--ipi-altura, 78vh);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    overflow: hidden;
    background: #52616f;
    outline: none;
}
.ipi-fb {
    margin: 0 auto;
}
.ipi-fb-page {
    background: #fff;
    overflow: hidden;
}
.ipi-fb-page .ipi-canvas {
    display: block;
    width: 100%;
    height: 100%;
}
/* La sombra de la pasada la dibuja page-flip; el enlace debe seguir recibiendo clics */
.ipi-fb-page .ipi-links {
    z-index: 5;
}
.ipi-modo-libro .ipi-prev,
.ipi-modo-libro .ipi-next {
    transform: rotate(-90deg);
}

/* ── Vista de pantalla completa (?ipi_full=1) ── */
.ipi-body-completa {
    margin: 0;
}
.insor-ipi.ipi-completa {
    max-width: none;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    margin: 0;
    display: flex;
    flex-direction: column;
}
.ipi-completa .ipi-ui {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    min-height: 0;
}
.ipi-completa .ipi-toolbar {
    border-radius: 0;
}
.ipi-completa .ipi-cuerpo {
    flex: 1 1 auto;
    min-height: 0;
    border-radius: 0;
}
.ipi-completa .ipi-indice {
    max-height: none;
}
.ipi-completa .ipi-scroller,
.ipi-completa .ipi-fb-escenario {
    height: 100%;
}

/* ── Responsive ── */
@media (max-width: 782px) {
    .ipi-toolbar {
        justify-content: center;
    }
    .ipi-fb-escenario {
        height: 70vh;
        padding: 6px;
    }
    .ipi-completa .ipi-fb-escenario {
        height: 100%;
    }
    .ipi-indice {
        position: absolute;
        z-index: 4;
        top: 0;
        bottom: 0;
        left: 0;
        width: min(280px, 85%);
        max-height: none;
        box-shadow: 4px 0 14px rgba(0, 0, 0, 0.25);
    }
    .ipi-cuerpo {
        position: relative;
    }
    .ipi-scroller {
        height: 70vh;
        padding: 8px;
    }
    .ipi-modal {
        padding: 12px;
    }
    .ipi-modal-cerrar {
        top: -46px;
        right: 4px;
    }
}