/* =========================================================
   Umar Library PDF.js Viewer
   Main Viewer
   ========================================================= */

.umarlib-pdf-viewer {
    position: relative;
    width: 100%;
    min-height: 400px;
    border: 1px solid #d9d9d9;
    background: #525659;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    font-family: Arial, Helvetica, sans-serif;
    z-index: 1;
}


/* =========================================================
   PDF TOOLBAR
   ========================================================= */

.umarlib-pdf-viewer .umarlib-pdf-toolbar {
    flex: 0 0 40px;
    height: 40px;
    min-height: 40px;

    display: flex;
    align-items: center;

    gap: 4px;
    padding: 3px 6px;

    background: #2f3032;
    color: #fff;

    box-sizing: border-box;

    position: relative;
    z-index: 3;
}


/* =========================================================
   TOOLBAR BUTTONS
   ========================================================= */

.umarlib-pdf-viewer .um-pdf-btn {
    border: 0;

    background: #44464a;
    color: #fff;

    min-width: 34px;
    width: auto;

    height: 32px;
    min-height: 32px;
    max-height: 32px;

    padding: 3px 9px;
    margin: 0;

    border-radius: 3px;

    cursor: pointer;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    line-height: 24px;

    text-decoration: none;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    box-sizing: border-box;

    flex: 0 0 auto;
}

.umarlib-pdf-viewer .um-pdf-btn:hover {
    background: #55575b;
}

.umarlib-pdf-viewer .um-pdf-btn:disabled {
    opacity: .4;
    cursor: not-allowed;
}


/* =========================================================
   PAGE NAVIGATION
   IMPORTANT:
   .um-pdf-page is used by PDF page containers too.
   Therefore the INPUT selector below is deliberately specific.
   ========================================================= */

.umarlib-pdf-viewer .um-pdf-page-wrap {
    display: inline-flex;

    align-items: center;
    justify-content: center;

    gap: 5px;

    height: 32px;
    min-height: 32px;
    max-height: 32px;

    margin: 0;
    padding: 0;

    font-size: 13px;
    line-height: 32px;

    white-space: nowrap;

    box-sizing: border-box;

    flex: 0 0 auto;
}


/* Page-number INPUT only */
.umarlib-pdf-viewer .um-pdf-page-wrap .um-pdf-page {
    width: 48px;
    min-width: 48px;
    max-width: 48px;

    height: 32px !important;
    min-height: 32px !important;
    max-height: 32px !important;

    margin: 0 !important;
    padding: 2px 5px !important;

    border: 0;
    border-radius: 3px;

    background: #fff;
    color: #222;

    text-align: center;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    line-height: 26px;

    display: inline-block !important;

    box-sizing: border-box !important;

    flex: 0 0 48px !important;

    vertical-align: middle;
}


/* Catch theme rules targeting all inputs */
.umarlib-pdf-viewer .um-pdf-page-wrap input.um-pdf-page {
    width: 48px !important;

    height: 32px !important;
    min-height: 32px !important;
    max-height: 32px !important;

    margin: 0 !important;
    padding: 2px 5px !important;

    box-sizing: border-box !important;
}


/* =========================================================
   ZOOM
   ========================================================= */

.umarlib-pdf-viewer .um-pdf-zoom {
    min-width: 42px;
    width: 42px;

    height: 32px;
    line-height: 32px;

    text-align: center;

    font-size: 13px;

    display: inline-block;

    box-sizing: border-box;

    flex: 0 0 42px;
}


/* =========================================================
   TOOLBAR SPACER
   ========================================================= */

.umarlib-pdf-viewer .um-pdf-spacer {
    flex: 1 1 auto;
}


/* =========================================================
   SEARCH BAR
   ========================================================= */

.umarlib-pdf-viewer .umarlib-pdf-searchbar {
    flex: 0 0 38px;

    height: 38px;
    min-height: 38px;
    max-height: 38px;

    display: flex;
    align-items: center;

    gap: 5px;

    padding: 3px 6px;

    background: #3b3d40;

    box-sizing: border-box;
}

.umarlib-pdf-viewer .umarlib-pdf-searchbar[hidden] {
    display: none !important;
}


/* Search input */
.umarlib-pdf-viewer .um-pdf-search-input {
    flex: 1 1 auto;

    width: auto;

    min-width: 120px;

    height: 30px !important;
    min-height: 30px !important;
    max-height: 30px !important;

    padding: 3px 7px !important;
    margin: 0 !important;

    border: 0;
    border-radius: 3px;

    background: #fff;
    color: #222;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 13px;

    line-height: 24px;

    box-sizing: border-box !important;
}


/* Search buttons */
.umarlib-pdf-viewer .umarlib-pdf-searchbar button {
    height: 30px !important;
    min-height: 30px !important;
    max-height: 30px !important;

    padding: 3px 10px !important;
    margin: 0 !important;

    background: #555;
    color: #fff;

    border: 0;
    border-radius: 3px;

    cursor: pointer;

    box-sizing: border-box !important;
}

.umarlib-pdf-viewer .umarlib-pdf-searchbar button:hover {
    background: #666;
}

.umarlib-pdf-viewer .um-pdf-search-status {
    color: #ddd;
    font-size: 12px;
    min-width: 70px;
}


/* =========================================================
   LOADING / STATUS MESSAGE
   ========================================================= */

.umarlib-pdf-viewer .umarlib-pdf-status {
    position: absolute;

    top: 48px;
    left: 50%;

    transform: translateX(-50%);

    background: rgba(0, 0, 0, .75);
    color: #fff;

    padding: 8px 12px;

    border-radius: 4px;

    z-index: 4;

    font-size: 13px;

    white-space: nowrap;
}

.umarlib-pdf-viewer .umarlib-pdf-status[hidden] {
    display: none;
}


/* =========================================================
   PDF SCROLLER
   ========================================================= */

.umarlib-pdf-viewer .umarlib-pdf-scroller {
    flex: 1 1 auto;

    min-height: 0;

    overflow: auto;

    overscroll-behavior: contain;

    padding: 18px 12px 30px;

    box-sizing: border-box;
}


/* =========================================================
   PDF PAGES CONTAINER
   ========================================================= */

.umarlib-pdf-viewer .umarlib-pdf-pages {
    display: flex;

    flex-direction: column;

    align-items: center;

    gap: 18px;
}


/* =========================================================
   RENDERED PDF PAGE
   IMPORTANT:
   This is DIFFERENT from the page-number input above.
   ========================================================= */

.umarlib-pdf-viewer .umarlib-pdf-pages .um-pdf-page {
    position: relative;

    background: #fff;

    box-shadow: 0 2px 8px rgba(0, 0, 0, .35);

    min-width: 120px;
    min-height: 160px;

    display: flex;

    align-items: flex-start;
    justify-content: center;

    box-sizing: border-box;
}


/* PDF canvas */
.umarlib-pdf-viewer .um-pdf-canvas {
    display: block;

    max-width: none;
}


/* Page number displayed on PDF page */
.umarlib-pdf-viewer .um-pdf-page-number {
    position: absolute;

    bottom: 5px;
    right: 7px;

    color: #777;

    background: rgba(255, 255, 255, .8);

    padding: 1px 4px;

    font-size: 10px;

    border-radius: 2px;
}


/* Error */
.umarlib-pdf-viewer .um-pdf-error {
    background: #ffecec;
    color: #900;

    padding: 20px;
}


/* =========================================================
   COVER / BOOK CARD
   ========================================================= */

.umarlib-pdf-book-card {
    appearance: none;

    border: 0;

    padding: 0;
    margin: 0;

    background: transparent;

    cursor: pointer;

    display: inline-flex;

    flex-direction: column;

    vertical-align: top;

    max-width: 280px;

    text-align: center;

    color: inherit;

    font: inherit;
}


.umarlib-pdf-cover-wrap {
    position: relative;

    display: block;

    overflow: hidden;

    width: 100%;

    max-width: 280px;

    border-radius: 5px;

    box-shadow: 0 3px 14px rgba(0, 0, 0, .24);
}


.umarlib-pdf-cover-wrap img {
    display: block;

    width: 100%;
    height: auto;
}


.umarlib-pdf-cover-overlay {
    position: absolute;

    inset: 0;

    display: flex;

    align-items: flex-end;

    justify-content: center;

    padding: 16px;

    box-sizing: border-box;

    background: linear-gradient(
        to top,
        rgba(0, 0, 0, .78),
        rgba(0, 0, 0, 0) 58%
    );

    opacity: 0;

    transition: opacity .2s ease;
}


.umarlib-pdf-book-card:hover .umarlib-pdf-cover-overlay,
.umarlib-pdf-book-card:focus-visible .umarlib-pdf-cover-overlay {
    opacity: 1;
}


.umarlib-pdf-cover-label {
    background: rgba(0, 0, 0, .82);

    color: #fff;

    padding: 9px 15px;

    border-radius: 4px;

    font-size: 14px;

    line-height: 1.2;
}


.umarlib-pdf-book-info {
    display: block;

    width: 100%;

    padding: 9px 3px 0;

    box-sizing: border-box;
}


.umarlib-pdf-book-title {
    display: block;

    font-weight: 600;

    line-height: 1.35;
}


.umarlib-pdf-book-author {
    display: block;

    margin-top: 3px;

    font-size: .9em;

    opacity: .75;
}


.umarlib-pdf-book-card:focus-visible {
    outline: 3px solid currentColor;

    outline-offset: 4px;

    border-radius: 5px;
}


.umarlib-pdf-error {
    padding: 12px 14px;

    border: 1px solid #d63638;

    background: #fff5f5;

    color: #8a1f1f;

    border-radius: 4px;
}


/* =========================================================
   MODAL
   ========================================================= */

.umarlib-pdf-modal[hidden] {
    display: none !important;
}


.umarlib-pdf-modal {
    position: fixed;

    inset: 0;

    z-index: 999999;
}


.umarlib-pdf-modal-backdrop {
    position: absolute;

    inset: 0;

    background: rgba(0, 0, 0, .82);
}


.umarlib-pdf-modal-dialog {
    position: relative;

    width: min(1400px, 96vw);

    height: min(94vh, 1000px);

    margin: 3vh auto;

    background: #252628;

    border-radius: 6px;

    overflow: hidden;

    box-shadow: 0 10px 45px rgba(0, 0, 0, .55);

    display: flex;

    flex-direction: column;
}


/* =========================================================
   MODAL HEADER
   ========================================================= */

.umarlib-pdf-modal-header {
    flex: 0 0 44px;

    height: 44px;
    min-height: 44px;
    max-height: 44px;

    display: flex;

    align-items: center;

    gap: 10px;

    padding: 0 10px 0 15px;

    box-sizing: border-box;

    background: #1f2022;

    color: #fff;
}


.umarlib-pdf-modal-title {
    flex: 1;

    min-width: 0;

    overflow: hidden;

    white-space: nowrap;

    text-overflow: ellipsis;

    font-size: 14px;

    font-weight: 600;
}


.umarlib-pdf-modal-close {
    border: 0;

    background: transparent;

    color: #fff;

    cursor: pointer;

    width: 36px;

    height: 36px;

    min-height: 36px;
    max-height: 36px;

    border-radius: 4px;

    font-size: 28px;

    line-height: 1;

    padding: 0;

    margin: 0;

    display: flex;

    align-items: center;
    justify-content: center;
}


.umarlib-pdf-modal-close:hover,
.umarlib-pdf-modal-close:focus-visible {
    background: #444;
}


/* =========================================================
   MODAL BODY
   ========================================================= */

.umarlib-pdf-modal-body {
    flex: 1;

    min-height: 0;

    overflow: hidden;
}


.umarlib-pdf-modal-body > .umarlib-pdf-viewer {
    height: 100% !important;

    min-height: 0;

    border: 0;
}


/* Prevent page scrolling while modal is open */
.umarlib-pdf-modal-open,
.umarlib-pdf-modal-open body {
    overflow: hidden !important;
}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 700px) {

    .umarlib-pdf-viewer .umarlib-pdf-toolbar {
        gap: 3px;

        padding: 3px 5px;
    }

    .umarlib-pdf-viewer .um-pdf-btn {
        min-width: 32px;

        height: 32px;
        min-height: 32px;
        max-height: 32px;

        padding: 3px 7px;
    }

    .umarlib-pdf-viewer .um-pdf-btn.um-pdf-search,
    .umarlib-pdf-viewer .um-pdf-btn.um-pdf-print,
    .umarlib-pdf-viewer .um-pdf-btn.um-pdf-download {
        font-size: 0;

        min-width: 34px;
    }

    .umarlib-pdf-viewer .um-pdf-btn.um-pdf-search::before {
        content: '🔍';

        font-size: 14px;
    }

    .umarlib-pdf-viewer .um-pdf-btn.um-pdf-print::before {
        content: '🖨';

        font-size: 14px;
    }

    .umarlib-pdf-viewer .um-pdf-btn.um-pdf-download::before {
        content: '↓';

        font-size: 16px;
    }

    .umarlib-pdf-viewer .um-pdf-spacer {
        display: none;
    }


    /* Mobile page input */
    .umarlib-pdf-viewer .um-pdf-page-wrap .um-pdf-page,
    .umarlib-pdf-viewer .um-pdf-page-wrap input.um-pdf-page {
        width: 44px !important;

        min-width: 44px !important;
        max-width: 44px !important;

        height: 32px !important;
        min-height: 32px !important;
        max-height: 32px !important;
    }


    /* Mobile modal */
    .umarlib-pdf-modal-dialog {
        width: 100vw;

        height: 100vh;

        margin: 0;

        border-radius: 0;
    }

    .umarlib-pdf-modal-header {
        flex-basis: 42px;

        height: 42px;
        min-height: 42px;
        max-height: 42px;
    }


    .umarlib-pdf-cover-wrap {
        max-width: 200px;
    }


    .umarlib-pdf-book-card {
        max-width: 210px;
    }
}