/* ============================================
   FLIPBOOK VIEWER MODAL - La Gráfica Edition v1.1.8
   ============================================ */

:root {
    --viewer-bg: rgba(10, 10, 12, 0.97);
    --viewer-glass: rgba(255, 255, 255, 0.06);
    --viewer-border: rgba(255, 255, 255, 0.1);
    --viewer-text: #ffffff;
}

/* ── Modal overlay ─────────────────────────── */
.lg-viewer-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.165, 0.84, 0.44, 1),
                visibility 0.4s;
}

.lg-viewer-modal.active {
    opacity: 1;
    visibility: visible;
}

/* ── Backdrop ──────────────────────────────── */
.viewer-backdrop {
    position: absolute;
    inset: 0;
    background: var(--viewer-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* ── Container — ocupa todo el alto disponible */
.viewer-container {
    position: relative;
    width: 100%;
    max-width: 1400px;
    height: 100vh;
    display: flex;
    flex-direction: column;
    z-index: 2;
    padding: 12px 16px;
    box-sizing: border-box;
    transform: scale(0.95) translateY(15px);
    transition: transform 0.45s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.lg-viewer-modal.active .viewer-container {
    transform: scale(1) translateY(0);
}

/* ── Header / Footer (glassmorphism) ────────── */
.viewer-header,
.viewer-footer {
    flex-shrink: 0;
    height: 56px;
    min-height: 56px;
    background: var(--viewer-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--viewer-border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    border-radius: 10px;
    box-sizing: border-box;
}

.viewer-header {
    justify-content: space-between;
    margin-bottom: 10px;
}

.viewer-footer {
    justify-content: space-between;
    margin-top: 10px;
}

/* ── Flipbook area — Espacio de seguridad para evitar recortes ── */
.flipbook-wrapper {
    flex: 1 1 0;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden; /* Mantener hidden para un recorte limpio en zooms extremos */
    position: relative;
    perspective: 2500px;
    padding: 20px 40px; /* Margen de seguridad superior/inferior y lateral */
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .flipbook-wrapper {
        padding: 10px 15px;
    }
}

/* El canvas root de StPageFlip */
#lg-flipbook-root {
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.6);
    background: transparent;
    max-width: 100%;
    max-height: 100%;
    /* StPageFlip inyecta width/height inline — no los sobreescribimos */
    transform-origin: center center;
}

/* ── Controles ──────────────────────────────── */
.viewer-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.viewer-controls button,
.viewer-footer button {
    background: transparent;
    border: none;
    color: var(--viewer-text);
    width: 38px;
    height: 38px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    font-size: 1rem;
    padding: 0;
}

.viewer-controls button:hover,
.viewer-footer button:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #00d4ff;
}

.viewer-controls .divider {
    width: 1px;
    height: 18px;
    background: var(--viewer-border);
    margin: 0 4px;
}

.viewer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
}

.catalog-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--viewer-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 280px;
}

/* ── Loader ─────────────────────────────────── */
.viewer-loader {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 12, 0.92);
    z-index: 20;
    gap: 16px;
    border-radius: 10px;
    transition: opacity 0.4s ease;
}

.viewer-loader p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

.viewer-loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(255, 255, 255, 0.08);
    border-top-color: #00d4ff;
    border-radius: 50%;
    animation: lg-spin 0.9s linear infinite;
}

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

/* ── Contador de páginas ────────────────────── */
.page-counter {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--viewer-text);
    background: rgba(255, 255, 255, 0.06);
    padding: 4px 14px;
    border-radius: 20px;
    white-space: nowrap;
}

/* ── Responsive mobile ───────────────────────── */
@media (max-width: 768px) {
    .viewer-container {
        padding: 6px 8px;
    }
    .viewer-header,
    .viewer-footer {
        height: 48px;
        min-height: 48px;
        border-radius: 6px;
    }
    .viewer-header {
        margin-bottom: 6px;
    }
    .viewer-footer {
        margin-top: 6px;
    }
    .viewer-brand span.catalog-name {
        display: none;
    }
    .catalog-name {
        max-width: 120px;
    }
}