/**
 * Horizontal Reader Styles
 * Page-by-page with 1-page or 2-page spread
 */

.kcr-horizontal-reader {
    position: relative;
    width: 100%;
    min-height: 75vh;
    background: #000;
}

.kcr-page-viewer {
    position: relative;
    width: 100%;
    height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.kcr-pages-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    width: 100%;
    max-width: 1600px;
    height: 100%;
    padding: 20px;
    margin: 0 auto;
}

.kcr-page {
    display: none;
    max-width: 700px !important;
    max-height: 100%;
    flex: 0 0 auto;
}

.kcr-page.active {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.kcr-page-image {
    max-width: 100% !important;
    max-height: 80vh !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
}

/* Two-page spread for desktop */
@media (min-width: 1024px) {
    .kcr-reader-container.spread-mode .kcr-page {
        max-width: 700px;
    }

    .kcr-reader-container.spread-mode .kcr-pages-container {
        max-width: 1600px;
    }
}

/* Single page for mobile portrait */
@media (max-width: 1023px) and (orientation: portrait) {
    .kcr-page {
        max-width: 600px;
    }

    .kcr-pages-container {
        max-width: 600px;
    }
}

/* Navigation Arrows */
.kcr-nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 32px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 10;
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kcr-nav-arrow .arrow-icon {
    font-size: 28px;
    line-height: 1;
}

/* Desktop-only: Arrow hover states (prevent mobile conflicts) */
@media (min-width: 769px) {
    .kcr-reader-container:hover .kcr-nav-arrow,
    .kcr-reader-container.controls-visible .kcr-nav-arrow {
        opacity: 0.6;
    }

    .kcr-nav-arrow:hover {
        background: rgba(0, 217, 255, 0.3);
        color: #00d9ff;
        opacity: 1 !important;
    }
}

.kcr-nav-arrow:disabled {
    opacity: 0 !important;
    cursor: not-allowed;
}

.kcr-nav-prev {
    left: 20px;
}

.kcr-nav-next {
    right: 20px;
}

/* RTL Support */
.kcr-reading-rtl .kcr-pages-container {
    flex-direction: row-reverse;
}

/* RTL Mode: Swap arrow button positions */
.kcr-reading-rtl .kcr-nav-prev {
    left: auto;
    right: 20px;
}

.kcr-reading-rtl .kcr-nav-next {
    right: auto;
    left: 20px;
}

/* Reader Header */
.kcr-reader-header {
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    padding: 15px 20px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
    z-index: 10;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.kcr-reader-container:hover .kcr-reader-header,
.kcr-reader-container.controls-visible .kcr-reader-header {
    opacity: 1;
    transform: translateY(0);
}

.kcr-header-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #fff;
}

.kcr-series-name {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kcr-header-separator {
    opacity: 0.5;
}

.kcr-chapter-title {
    opacity: 0.9;
}

/* Fullscreen Mode */
.kcr-reader-container.fullscreen-mode {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 99999 !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.kcr-reader-container.fullscreen-mode .kcr-horizontal-reader {
    min-height: 100vh !important;
    height: 100vh !important;
}

.kcr-reader-container.fullscreen-mode .kcr-page-viewer {
    height: calc(100vh - 40px) !important;
}

.kcr-reader-container.fullscreen-mode .kcr-pages-container {
    gap: 4px;
    padding: 5px;
    max-width: none;
    height: 100%;
}

.kcr-reader-container.fullscreen-mode .kcr-page {
    max-height: calc(100vh - 50px) !important;
    flex: 0 0 auto !important;
}

/* JS calculates exact pixel dimensions via updateFullscreenLayout() */
.kcr-reader-container.fullscreen-mode .kcr-page-image {
    width: auto !important;
    height: auto !important;
}

/* Fullscreen spread mode - structural layout for side-by-side pages */
.kcr-reader-container.fullscreen-mode.spread-mode .kcr-pages-container {
    gap: 4px;
}

.kcr-reader-container.fullscreen-mode .kcr-controls-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    padding: 4px 0;
}

/* Fullscreen Mode - Show header at top */
.kcr-reader-container.fullscreen-mode .kcr-reader-header {
    position: fixed;
    top: 0;
}

/* Mobile fullscreen - forced landscape */
.kcr-reader-container.fullscreen-mode.mobile-landscape {
    width: 100vw !important;
    height: 100vh !important;
}

.kcr-reader-container.fullscreen-mode.mobile-landscape .kcr-page-viewer {
    height: calc(100vh - 40px) !important;
}

.kcr-reader-container.fullscreen-mode.mobile-landscape .kcr-page-image {
    max-height: calc(100vh - 50px) !important;
    max-width: 98vw !important;
}

.kcr-reader-container.fullscreen-mode.mobile-landscape .kcr-nav-arrow {
    display: flex !important;
    opacity: 0.6 !important;
    width: 40px;
    height: 40px;
}

@media (max-width: 768px) {
    .kcr-page-viewer {
        height: 75vh;           /* Keep the height - user likes it */
        overflow: visible;      /* Allow content to show if it extends beyond */
    }

    /* Ensure reader container isn't restricting height */
    .kcr-reader-container {
        min-height: auto;       /* Don't restrict container */
    }

    .kcr-horizontal-reader {
        min-height: auto;       /* Don't force minimum that might conflict */
    }

    /* Hide arrows in normal mode - swipe navigation works */
    .kcr-reader-container:not(.fullscreen-mode) .kcr-nav-arrow {
        display: none !important;
    }

    .kcr-reader-header {
        top: 5px;
        padding: 12px 15px;
    }

    .kcr-header-info {
        font-size: 12px;
    }

    .kcr-page-image {
        max-height: 65vh !important;  /* Reduce from 80vh to 65vh */
        max-width: 100% !important;   /* Full width */
    }

    .kcr-pages-container {
        padding: 5px;                 /* Minimal padding for edge protection */
    }

    .kcr-controls-wrapper {
        padding: 0 15px;
    }

    /* Mobile fullscreen overrides - JS handles page sizing */
    .kcr-reader-container.fullscreen-mode {
        width: 100% !important;
        height: 100% !important;
    }

    .kcr-reader-container.fullscreen-mode .kcr-page-viewer {
        height: calc(100% - 40px) !important;
    }

    .kcr-reader-container.fullscreen-mode .kcr-nav-arrow {
        display: flex !important;
        opacity: 0.6 !important;
        width: 40px;
        height: 40px;
    }
}