/* Filmstrip Slider Frontend Stylesheet */
.fs-slider-container {
    width: 100%;
    max-width: 100%;
    background: transparent !important;
    overflow: hidden;
    position: relative;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: start;
    margin: 20px auto;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.fs-slider-track {
    display: flex;
    height: 100%;
    align-items: center;
    will-change: transform;
    cursor: grab;
}

.fs-slider-track:active {
    cursor: grabbing;
}

.fs-slider-slide {
    height: 85%; /* Keep slides slightly shorter than container for layout elegance */
    position: relative;
    flex-shrink: 0;
    overflow: hidden;
    transform-origin: center;
    user-select: none;
    -webkit-user-drag: none;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
    background: #fff;
    box-sizing: border-box;
}

.fs-slider-slide.fs-hidden {
    width: 0 !important;
    margin-right: 0 !important;
    border: none !important;
    padding: 0 !important;
    opacity: 0;
    pointer-events: none;
}

.fs-slider-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    user-select: none;
}

/* Semi-transparent overlay to highlight active slide.
   For book/text cards, we use a very light overlay so inactive text is still readable. */
.fs-slider-slide::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.08);
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 2;
}

.fs-slider-slide.fs-active::after {
    opacity: 0;
}

.fs-slider-slide.fs-near-1::after {
    opacity: 0.04;
}

.fs-slider-slide.fs-near-2::after {
    opacity: 0.08;
}

/* Ambient bottom vignette overlay for text readability */
.fs-slider-vignette {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0) 100%);
    z-index: 3;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.fs-slider-slide.fs-active .fs-slider-vignette {
    opacity: 1;
}

/* Slide text content container */
.fs-slider-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 25px;
    box-sizing: border-box;
    z-index: 4;
    pointer-events: none;
    text-align: left;
    opacity: 0;
    transform: translateY(20px);
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.5s ease;
}

.fs-slider-slide.fs-active .fs-slider-content {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.15s;
}

.fs-slider-content h3 {
    color: #fff;
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

.fs-slider-content p {
    color: rgba(255,255,255,0.85);
    margin: 4px 0 0 0;
    font-size: 13px;
    font-weight: 400;
    text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

/* Premium round glassmorphic navigation buttons positioned on the sides */
.fs-slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #2c3e50;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: background 0.3s ease, transform 0.2s ease, opacity 0.3s ease, box-shadow 0.3s ease;
    z-index: 10;
}

.fs-slider-btn:hover {
    background: #ffffff;
    transform: translateY(-50%) scale(1.08);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.fs-slider-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.fs-slider-btn:disabled {
    opacity: 0.25;
    cursor: not-allowed;
    pointer-events: none;
}

.fs-slider-btn svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.fs-prev-btn {
    left: 20px;
}

.fs-next-btn {
    right: 20px;
}

/* Tablet Responsiveness */
@media (max-width: 1024px) {
    .fs-slider-container {
        height: 400px !important; /* Cap container height on tablet to keep cards balanced */
    }
    .fs-slider-content {
        padding: 20px;
    }
    .fs-slider-content h3 {
        font-size: 18px;
    }
    .fs-slider-content p {
        font-size: 12px;
    }
}

/* Mobile Responsiveness */
@media (max-width: 640px) {
    .fs-slider-container {
        height: 300px !important; /* Cap container height on mobile */
    }
    .fs-slider-btn {
        width: 38px;
        height: 38px;
    }
    .fs-slider-btn svg {
        width: 14px;
        height: 14px;
        stroke-width: 2.8;
    }
    .fs-prev-btn {
        left: 10px;
    }
    .fs-next-btn {
        right: 10px;
    }
    .fs-slider-content {
        padding: 15px;
    }
    .fs-slider-content h3 {
        font-size: 15px;
    }
    .fs-slider-content p {
        font-size: 11px;
    }
}