/* Flipbook - Turn.js stílus; minden szabály csak .flipbook-instance-en belül érvényes */

.flipbook-instance {
    --book-width: 800px;
    --book-height: 560px;
    --page-bg: #f5f0e8;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --accent: #2c5282;
    --accent-hover: #2b6cb0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    position: relative;
    padding: 20px;
    display: flex;
    flex-direction: column;
    min-height: 280px;
    max-height: 95vh;
    overflow: hidden;
    box-sizing: border-box;
}

.flipbook-instance *,
.flipbook-instance *::before,
.flipbook-instance *::after {
    box-sizing: border-box;
}

/* Paraméter: lapindikátor (pl. 14/16) és alsó ikonok láthatósága */
.flipbook-instance[data-show-page-indicator="false"] .page-indicator {
    display: none !important;
}
.flipbook-instance[data-show-controls="false"] .flipbook-controls {
    display: none !important;
}

.flipbook-instance .flipbook-header {
    text-align: center;
    margin-bottom: 24px;
    color: #e2e8f0;
}

.flipbook-instance .flipbook-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.flipbook-instance .page-indicator {
    font-size: 0.95rem;
    opacity: 0.9;
}

.flipbook-instance #current-page,
.flipbook-instance .flipbook-current-page {
    font-weight: 700;
    color: #63b3ed;
}

/* Turn.js könyv wrapper – kitölti a rendelkezésre álló helyet, scrollbar nélkül */
.flipbook-instance .book-wrapper {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    overflow: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.flipbook-instance .book-wrapper::-webkit-scrollbar {
    display: none;
}

/* Zoom wrapper – itt alkalmazzuk a scale() értéket */
.flipbook-instance .flipbook-zoom-wrap {
    transform-origin: center center;
    transition: transform 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Turn.js flipbook konténer – a könyv mérete, sarkok megfoghatóak; ne lógjon ki a képernyőből */
.flipbook-instance #flipbook,
.flipbook-instance .flipbook {
    width: var(--book-width) !important;
    height: var(--book-height) !important;
    max-width: 90vw;
    max-height: 90vh;
    margin: 0 auto;
    cursor: grab;
    user-select: none;
}

.flipbook-instance #flipbook:active,
.flipbook-instance .flipbook:active {
    cursor: grabbing;
}

/* Turn.js által generált oldal elemek */
.flipbook-instance #flipbook .turn-page,
.flipbook-instance .flipbook .turn-page {
    background: var(--page-bg);
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.04);
}

.flipbook-instance #flipbook .turn-page-wrapper,
.flipbook-instance .flipbook .turn-page-wrapper {
    pointer-events: auto;
}

.flipbook-instance #flipbook .turn-page-content,
.flipbook-instance .flipbook .turn-page-content {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--page-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.flipbook-instance #flipbook .turn-page-content img,
.flipbook-instance #flipbook .turn-page-content canvas,
.flipbook-instance .flipbook .turn-page-content img,
.flipbook-instance .flipbook .turn-page-content canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.flipbook-instance #flipbook .turn-page-blank,
.flipbook-instance .flipbook .turn-page-blank {
    background: var(--page-bg);
}

/* Vezérlő gombok */
.flipbook-instance .controls,
.flipbook-instance .flipbook-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
    flex-shrink: 0;
}

.flipbook-instance .flipbook-controls .flipbook-btn-zoom-out,
.flipbook-instance .flipbook-controls .flipbook-btn-zoom-in,
.flipbook-instance .flipbook-controls .flipbook-btn-reset-view,
.flipbook-instance .flipbook-controls .flipbook-btn-first-page {
    width: 44px;
    height: 44px;
}

.flipbook-instance .flipbook-controls .flipbook-btn-zoom-out svg,
.flipbook-instance .flipbook-controls .flipbook-btn-zoom-in svg,
.flipbook-instance .flipbook-controls .flipbook-btn-reset-view svg,
.flipbook-instance .flipbook-controls .flipbook-btn-first-page svg {
    width: 22px;
    height: 22px;
}

.flipbook-instance .flipbook-controls .flipbook-btn-reset-view {
    margin-left: 8px;
}

.flipbook-instance .flipbook-controls .flipbook-btn-first-page {
    margin-left: 4px;
}

.flipbook-instance .btn-nav {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: var(--accent);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(44, 82, 130, 0.4);
}

.flipbook-instance .btn-nav:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(44, 82, 130, 0.5);
}

.flipbook-instance .btn-nav:active {
    transform: scale(0.98);
}

.flipbook-instance .btn-nav:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.flipbook-instance .btn-nav svg {
    width: 28px;
    height: 28px;
}

/* Betöltés overlay */
.flipbook-instance .flipbook-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
    transition: opacity 0.5s ease;
    border-radius: 8px;
}

.flipbook-instance .flipbook-loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.flipbook-instance .flipbook-loading .spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(99, 179, 237, 0.3);
    border-top-color: #63b3ed;
    border-radius: 50%;
    animation: flipbook-spin 1s linear infinite;
    margin-bottom: 16px;
}

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

.flipbook-instance .flipbook-loading p {
    color: #e2e8f0;
    font-size: 1rem;
}

/* Reszponzív – mobilon is használható */
@media (max-width: 900px) {
    .flipbook-instance {
        padding: 12px;
        max-width: 100%;
		max-height: 95%;
    }

	.flipbook-header { display: none; }

    .flipbook-instance .flipbook-header h1 {
        font-size: 1.25rem;
    }

    .flipbook-instance .flipbook-controls {
        gap: 10px;
        margin-top: 16px;
    }

    .flipbook-instance .flipbook-controls .flipbook-btn-zoom-out,
    .flipbook-instance .flipbook-controls .flipbook-btn-zoom-in,
    .flipbook-instance .flipbook-controls .flipbook-btn-reset-view,
    .flipbook-instance .flipbook-controls .flipbook-btn-first-page,
    .flipbook-instance .btn-nav {
        width: 48px;
        height: 48px;
        min-width: 48px;
        min-height: 48px;
    }

    .flipbook-instance .flipbook-controls .flipbook-btn-zoom-out svg,
    .flipbook-instance .flipbook-controls .flipbook-btn-zoom-in svg,
    .flipbook-instance .flipbook-controls .flipbook-btn-reset-view svg,
    .flipbook-instance .flipbook-controls .flipbook-btn-first-page svg {
        width: 24px;
        height: 24px;
    }

    .flipbook-instance .book-wrapper {
        min-height: 240px;
    }
}

@media (max-width: 600px) {
    .flipbook-instance {
        padding: 8px;
    }

    .flipbook-instance .flipbook-header h1 {
        font-size: 1.1rem;
    }

    .flipbook-instance .flipbook-controls .flipbook-btn-zoom-out,
    .flipbook-instance .flipbook-controls .flipbook-btn-zoom-in,
    .flipbook-instance .flipbook-controls .flipbook-btn-reset-view,
    .flipbook-instance .flipbook-controls .flipbook-btn-first-page {
        width: 44px;
        height: 44px;
        min-width: 44px;
        min-height: 44px;
    }
}