/* Flipbook Container Structure */
.fp-flipbook-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    background: #f5f5f5;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.fp-empty-state {
    padding: 40px;
    text-align: center;
    color: #666;
    font-family: sans-serif;
}

/* Toolbar */
.fp-toolbar {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    background: #fff;
    border-bottom: 1px solid #ddd;
    gap: 10px;
}

.fp-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #444;
    transition: background 0.2s;
}

.fp-btn:hover {
    background: #f0f0f0;
}

.fp-btn svg {
    width: 18px;
    height: 18px;
}

.fp-indicator {
    font-size: 14px;
    font-family: sans-serif;
    color: #555;
    user-select: none;
}

.fp-spacer {
    flex-grow: 1;
}

/* Viewport and 3D Book */
.fp-flipbook-viewport {
    position: relative;
    width: 100%;
    min-height: 400px;
    height: 600px; /* Default overridden by Elementor settings */
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ebebeb;
}

.fp-flipbook-viewport.is-fullscreen {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 99999;
    height: 100vh !important;
}

.fp-flipbook-container {
    perspective: 2000px;
    width: 80%;
    height: 80%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

.fp-flipbook {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    --fp-flip-duration: 0.8s;
    --fp-shadow-alpha: 0.3;
}

.fp-loader {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-family: sans-serif;
    color: #666;
}

/* Page Structure */
.fp-page {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform var(--fp-flip-duration) ease-in-out;
    cursor: pointer;
}

/* LTR Default */
.fp-page {
    left: 50%;
    transform-origin: left center;
}

/* Pages are stacked. First page on top */
.fp-page-front, .fp-page-back {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    backface-visibility: hidden;
    background: #fff;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.05);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fp-page-back {
    transform: rotateY(180deg);
}

.fp-page-front canvas, .fp-page-back canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Flipped State */
.fp-page.is-flipped {
    transform: rotateY(-180deg);
    z-index: 1 !important; /* Managed by JS, but fallback */
}

/* Shadow effects */
.fp-page::after {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to right, rgba(0,0,0,var(--fp-shadow-alpha)) 0%, transparent 20%);
    pointer-events: none;
    transition: opacity var(--fp-flip-duration);
    opacity: 0;
}
.fp-page.is-flipped::after {
    opacity: 1;
    background: linear-gradient(to left, rgba(0,0,0,var(--fp-shadow-alpha)) 0%, transparent 20%);
}

/* Sparkle Canvas Overlay */
.fp-sparkle-canvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 10;
}

/* RTL overrides logic managed partially via JS and transforms */
.fp-c7620eec[data-dir="rtl"] .fp-page {
    left: 0;
    transform-origin: right center;
}
.fp-c7620eec[data-dir="rtl"] .fp-page.is-flipped {
    transform: rotateY(180deg);
}