/* Visor de revista digital interactiva (flipbook sobre PDF.js).
   Mismo ancho/alto de tarjeta que .project-triptych (Robot Steampunk):
   70% del contenedor, máx. 780px, centrado. La franja inferior
   (.project-details) es deliberadamente delgada: solo nombre + año. */

.project-magazine {
    margin: 1.5rem auto 0;
    width: 70%;
    max-width: 780px;
}

.project-magazine .project-details {
    padding: 1rem 1.5rem;
}

.project-magazine .project-details h3 {
    margin-bottom: 0.2rem;
    font-size: 1.1rem;
}

.project-magazine .project-details p {
    margin-bottom: 0;
    color: var(--sakura);
}

.magazine-viewer {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    padding: 1.5rem 1.25rem 1.1rem;
}

/* --- Escenario: flechas + página --- */
.magazine-stage {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    min-height: 260px;
}

.magazine-page-wrap {
    position: relative;
    perspective: 1600px;
    transition: transform var(--duration-base) var(--ease-standard);
}

.magazine-page-slot {
    position: relative;
    height: 400px;
    max-width: 100%;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(205, 137, 158, 0.15);
    cursor: pointer;
}

/* Dos páginas abiertas + un "lomo" central: el libro en reposo. */
.magazine-spread {
    display: flex;
    align-items: stretch;
    justify-content: center;
    height: 100%;
}

.magazine-page {
    position: relative;
    height: 100%;
    background: rgba(8, 14, 32, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
}

.magazine-spine {
    flex-shrink: 0;
    width: 6px;
    background: linear-gradient(90deg,
        rgba(0, 0, 0, 0.4) 0%,
        rgba(0, 0, 0, 0.05) 45%,
        rgba(0, 0, 0, 0.05) 55%,
        rgba(0, 0, 0, 0.4) 100%);
}

.magazine-canvas {
    display: block;
    height: 100%;
    width: auto;
    max-width: 100%;
}

/* En modo de una sola página (móvil angosto) se oculta la mitad derecha
   y el lomo; la página izquierda pasa a ser "la" página actual. */
.magazine-viewer.is-single .magazine-page-right,
.magazine-viewer.is-single .magazine-canvas-front-right,
.magazine-viewer.is-single .magazine-canvas-back-right,
.magazine-viewer.is-single .magazine-spine {
    display: none;
}

/* Hoja que se voltea: todo el spread (ambas páginas) rota como una sola
   pieza alrededor de su propio centro — como si el libro completo girara
   sobre su lomo. Dos caras (frente = spread actual, dorso = spread
   entrante) visibles una a la vez gracias a backface-visibility. Todo el
   efecto usa solo `transform` (compositor, no dispara layout/paint). */
.magazine-flip-leaf {
    position: absolute;
    inset: 0;
    transform-style: preserve-3d;
    transform-origin: center center;
    transition: transform var(--duration-slow) var(--ease-standard);
    transform: rotateY(0deg);
    z-index: 5;
    pointer-events: none;
}

.magazine-flip-leaf[hidden] {
    display: none;
}

.magazine-leaf-face {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: stretch;
    justify-content: center;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.magazine-leaf-back {
    transform: rotateY(180deg);
}

.magazine-status {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    background: rgba(8, 14, 32, 0.7);
    border-radius: 6px;
    padding: 1.5rem;
    text-align: center;
    color: var(--sakura);
    font-size: 0.9rem;
    z-index: 8;
}

.magazine-status[hidden] {
    display: none;
}

.magazine-status.is-error {
    color: var(--spooled-white);
}

.magazine-status.is-error i {
    font-size: 1.8rem;
    color: var(--orchid-smoke);
}

.magazine-spinner {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 3px solid rgba(205, 137, 158, 0.25);
    border-top-color: var(--orchid-smoke);
    animation: magazine-spin 900ms linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
    .magazine-spinner {
        animation: none;
        border-top-color: rgba(205, 137, 158, 0.25);
    }
}

/* --- Flechas laterales y zonas de click en los bordes --- */
.magazine-arrow {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(16, 30, 66, 0.6);
    border: 1px solid rgba(245, 234, 227, 0.3);
    color: var(--spooled-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--duration-base) var(--ease-standard),
                transform var(--duration-fast) var(--ease-standard),
                opacity var(--duration-base) var(--ease-standard);
}

.magazine-arrow:hover:not(:disabled) {
    background: var(--gradient-cta);
}

.magazine-arrow:active:not(:disabled) {
    transform: scale(0.92);
}

.magazine-arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* --- Barra de controles --- */
.magazine-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.magazine-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-width: 36px;
    height: 36px;
    padding: 0 0.7rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(205, 137, 158, 0.25);
    background: rgba(245, 234, 227, 0.08);
    color: var(--spooled-white);
    font-size: 0.85rem;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--duration-base) var(--ease-standard),
                border-color var(--duration-base) var(--ease-standard),
                transform var(--duration-fast) var(--ease-standard),
                opacity var(--duration-base) var(--ease-standard);
}

.magazine-btn:hover:not(:disabled) {
    background: var(--gradient-cta);
    border-color: transparent;
}

.magazine-btn:active:not(:disabled) {
    transform: scale(0.94);
}

.magazine-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.magazine-download {
    font-weight: 600;
}

.magazine-sep {
    width: 1px;
    height: 22px;
    background: rgba(205, 137, 158, 0.2);
    margin: 0 0.2rem;
}

.magazine-pageindicator {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--sakura);
    font-size: 0.85rem;
    padding: 0 0.3rem;
}

.magazine-page-input {
    width: 3rem;
    text-align: center;
    background: rgba(8, 14, 32, 0.5);
    border: 1px solid rgba(205, 137, 158, 0.25);
    border-radius: 6px;
    color: var(--spooled-white);
    padding: 0.3rem;
    font-family: inherit;
    font-size: 0.85rem;
}

.magazine-page-input::-webkit-inner-spin-button {
    opacity: 0.6;
}

.magazine-zoom {
    min-width: 3.2rem;
    text-align: center;
    color: var(--sakura);
    font-size: 0.85rem;
}

/* --- Miniaturas --- */
.magazine-thumbnails {
    display: flex;
    gap: 0.6rem;
    overflow-x: auto;
    padding: 0.6rem 0.2rem;
    border-top: 1px solid rgba(205, 137, 158, 0.12);
    scroll-behavior: smooth;
}

.magazine-thumbnails[hidden] {
    display: none;
}

.magazine-thumb {
    flex-shrink: 0;
    width: 52px;
    height: 68px;
    border-radius: 4px;
    border: 2px solid transparent;
    background: rgba(8, 14, 32, 0.5);
    overflow: hidden;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--duration-base) var(--ease-standard);
}

.magazine-thumb img,
.magazine-thumb canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.magazine-thumb.active {
    border-color: var(--orchid-smoke);
}

/* --- Pantalla completa: la tarjeta se convierte en un lector inmersivo --- */
.magazine-viewer:fullscreen,
.magazine-viewer:-webkit-full-screen,
.magazine-viewer.is-fullscreen {
    width: 100vw;
    height: 100vh;
    max-width: none;
    background: var(--astral-ink);
    justify-content: center;
    padding: 2rem;
}

.magazine-viewer:fullscreen .magazine-page-slot,
.magazine-viewer:-webkit-full-screen .magazine-page-slot,
.magazine-viewer.is-fullscreen .magazine-page-slot {
    height: min(78vh, 900px);
}

.magazine-viewer:fullscreen .magazine-stage,
.magazine-viewer:-webkit-full-screen .magazine-stage,
.magazine-viewer.is-fullscreen .magazine-stage {
    min-height: 0;
    flex: 1;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .project-magazine {
        width: 100%;
        max-width: none;
    }

    .magazine-page-slot {
        height: 320px;
    }

    .magazine-arrow {
        width: 32px;
        height: 32px;
    }
}

@media (max-width: 480px) {
    .magazine-controls {
        gap: 0.3rem;
    }

    .magazine-btn {
        min-width: 32px;
        height: 32px;
        padding: 0 0.5rem;
        font-size: 0.8rem;
    }

    .magazine-page-slot {
        height: 260px;
    }
}