/**
 * COB PDF-viewer — styling voor de PDF.js-preview + leesweergave op
 * documentpagina's. Klassen die pas na JS-render bestaan staan in de
 * WP Rocket RUCSS-safelist (functions/fix/wp-rocket-pdfjs.php).
 */

.cob-pdf-viewer-active {
    display: flex;
    flex-direction: column;
    height: 800px;
    background: #f3f4f6;
}

/* ====== Leesweergave: schermvullend BINNEN de site ======
   Container wordt via JS naar <body> verplaatst (portal) met z-index onder
   --cob-z-chatbot: COBot blijft rechtsonder bruikbaar. Esc of de knop sluit.
   Het hoofdmenu (#mega-menu, sticky 72px) blijft zichtbaar: JS zet
   --cob-pdf-reader-top op de gemeten menuhoogte zodat de leesweergave er
   precies onder aansluit (0 als het menu er niet is). */
.cob-pdf-viewer-active.cob-pdf-reader {
    position: fixed;
    inset: 0;
    top: var(--cob-pdf-reader-top, 0px);
    height: calc(100vh - var(--cob-pdf-reader-top, 0px));
    height: calc(100dvh - var(--cob-pdf-reader-top, 0px));
    border-radius: 0;
    background: #e8eae6;
}

body.cob-pdf-noscroll {
    overflow: hidden;
}

/* Chat-dock: chatvenster open op breed scherm → PDF schuift mee naar links */
.cob-pdf-viewer-active.cob-pdf-reader.cob-pdf-chat-open .cob-pdf-scroll {
    padding-right: 460px;
}

/* ====== Toolbar / kopbalk ====== */
.cob-pdf-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    flex: 0 0 auto;
    position: relative;   /* anker voor de uitklappende zoekbalk (mobiel) */
}

.cob-pdf-reader .cob-pdf-toolbar {
    padding: 0.625rem 1rem;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.08);
}

.cob-pdf-toolbar-group {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    min-width: 0;
}

.cob-pdf-toolbar-left {
    flex: 1 1 auto;
    gap: 0.75rem;
}

/* Documenttitel: alleen zichtbaar in de leesweergave */
.cob-pdf-viewer-active .cob-pdf-title {
    display: none;
    font-weight: 600;
    color: #1f2937;
    font-size: 0.9375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    border-left: 3px solid #9bbe32; /* COB-groen accent */
    padding-left: 0.625rem;
}

.cob-pdf-viewer-active.cob-pdf-reader .cob-pdf-title {
    display: block;
}

.cob-pdf-viewer-active .cob-pdf-toolbar-sep {
    width: 1px;
    height: 1.25rem;
    background: #e5e7eb;
    margin: 0 0.25rem;
}

.cob-pdf-viewer-active .cob-pdf-pageinfo {
    font-size: 0.875rem;
    color: #374151;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.cob-pdf-viewer-active .cob-pdf-zoom-pct {
    font-size: 0.8125rem;
    color: #6b7280;
    min-width: 3em;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.cob-pdf-viewer-active .cob-pdf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    min-width: 2.125rem;
    height: 2.125rem;
    padding: 0 0.5rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    background: #ffffff;
    color: #374151;
    font-size: 0.8125rem;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease;
    white-space: nowrap;
}

.cob-pdf-viewer-active .cob-pdf-btn svg {
    width: 1.125rem;
    height: 1.125rem;
    flex: 0 0 auto;
}

.cob-pdf-viewer-active .cob-pdf-btn:hover {
    background: #f3f4f6;
    color: #111827;
}

/* Leesweergave-/sluitknop: dezelfde merkkleur als de downloadknop ernaast
   (tw-bg-cob-brand = brand.DEFAULT), zodat de twee knoppen op de
   documentpagina één geheel vormen. De rest van de chatbot houdt bewust het
   eigen, donkerder groen. */
.cob-pdf-viewer-active .cob-pdf-reader-btn {
    background: #8dc63f;
    border-color: #8dc63f;
    color: #ffffff;
    font-weight: 600;
}

.cob-pdf-viewer-active .cob-pdf-reader-btn:hover {
    background: #78b032;   /* brand.500 — donkerder, zodat hover zichtbaar blijft */
    border-color: #78b032;
    color: #ffffff;
}

.cob-pdf-viewer-active .cob-pdf-btn-label {
    display: none;
}

@media (min-width: 640px) {
    .cob-pdf-viewer-active .cob-pdf-btn-label { display: inline; }
}

/* ====== Zoeken in document (alleen leesweergave) ======
   Desktop (>900px): permanent invulveld als "pill" in de kopbalk, loepje ín
   het veld — géén losse loep-knop naast de zoomknoppen (verwarrend).
   Smal (≤900px): loep-knop die een volle-breedte zoekbalk onder de kopbalk
   uitklapt. */
.cob-pdf-search {
    display: none;
    align-items: center;
}

.cob-pdf-reader .cob-pdf-search {
    display: flex;
    margin-right: 0.625rem;   /* ademruimte t.o.v. de zoomknoppen */
}

.cob-pdf-search-bar {
    display: none;
    align-items: center;
    gap: 0.125rem;
    height: 2.125rem;
    padding: 0 0.25rem 0 0.625rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    background: #ffffff;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.cob-pdf-search-bar:focus-within {
    border-color: #9bbe32;
    box-shadow: 0 0 0 2px rgba(155, 190, 50, 0.35);
}

.cob-pdf-viewer-active .cob-pdf-search-icon {
    display: inline-flex;
    color: #9ca3af;
    flex: 0 0 auto;
}

.cob-pdf-viewer-active .cob-pdf-search-icon svg {
    width: 1rem;
    height: 1rem;
}

.cob-pdf-viewer-active .cob-pdf-search-input {
    width: 11rem;
    height: 100%;
    padding: 0 0.5rem 0 0.375rem;
    border: 0;
    outline: none;
    font-size: 0.875rem;
    color: #111827;
    background: transparent;
    transition: width 0.15s ease;
}

.cob-pdf-search.cob-pdf-search-active .cob-pdf-search-input,
.cob-pdf-viewer-active .cob-pdf-search-input:focus {
    width: 13rem;
}

/* Native wis-kruisje van type=search uit: we hebben een eigen wisknop */
.cob-pdf-viewer-active .cob-pdf-search-input::-webkit-search-cancel-button {
    -webkit-appearance: none;
    appearance: none;
}

.cob-pdf-viewer-active .cob-pdf-search-count {
    font-size: 0.8125rem;
    color: #6b7280;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
    padding-right: 0.25rem;
}

/* Nav-/wisknoppen: ghost-stijl bínnen de pill, pas zichtbaar bij een zoekterm */
.cob-pdf-viewer-active .cob-pdf-search-navbtn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border: 0;
    border-radius: 0.375rem;
    background: transparent;
    color: #6b7280;
    cursor: pointer;
    padding: 0;
}

.cob-pdf-viewer-active .cob-pdf-search-navbtn svg {
    width: 1rem;
    height: 1rem;
}

.cob-pdf-viewer-active .cob-pdf-search-navbtn:hover {
    background: #f3f4f6;
    color: #111827;
}

.cob-pdf-search.cob-pdf-search-active .cob-pdf-search-prev,
.cob-pdf-search.cob-pdf-search-active .cob-pdf-search-next,
.cob-pdf-search.cob-pdf-search-active .cob-pdf-search-close,
.cob-pdf-search.cob-pdf-search-hasterm .cob-pdf-search-close {
    display: inline-flex;
}

/* Trefferhighlights in de tekstlaag (tekst zelf blijft transparant boven het canvas) */
.cob-pdf-page .textLayer .cob-pdf-search-hit {
    background: rgba(255, 213, 79, 0.5);
    border-radius: 2px;
    color: transparent;
}

.cob-pdf-page .textLayer .cob-pdf-search-current {
    background: rgba(155, 190, 50, 0.65);
    box-shadow: 0 0 0 2px rgba(129, 162, 8, 0.55);
}

/* Desktop: permanent invulveld, geen losse loep-knop */
@media (min-width: 901px) {
    .cob-pdf-reader .cob-pdf-search .cob-pdf-search-toggle {
        display: none;
    }
    .cob-pdf-reader .cob-pdf-search .cob-pdf-search-bar {
        display: flex;
    }
}

/* Smal: loep-knop klapt volle-breedte zoekbalk onder de kopbalk uit */
@media (max-width: 900px) {
    .cob-pdf-search.cob-pdf-search-open .cob-pdf-search-toggle {
        display: none;
    }
    .cob-pdf-search.cob-pdf-search-open .cob-pdf-search-bar {
        display: flex;
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        border-radius: 0;
        border-left: 0;
        border-right: 0;
        border-top: 0;
        height: 2.5rem;
        padding: 0 0.5rem;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
        z-index: 5;
    }
    .cob-pdf-search.cob-pdf-search-open .cob-pdf-search-input {
        flex: 1 1 auto;
        width: auto;
    }
    /* Smal + open: wisknop altijd tonen (sluit tevens de balk) */
    .cob-pdf-search.cob-pdf-search-open .cob-pdf-search-close {
        display: inline-flex;
    }
}

/* ====== Scroll-gebied en pagina's ====== */
.cob-pdf-scroll {
    flex: 1 1 auto;
    overflow-y: auto;
    /* Horizontaal alleen scrollen bij inzoomen (.cob-pdf-zoomed via JS):
       op fit-width kan een klassieke verticale scrollbalk anders een paar
       pixels horizontale overflow veroorzaken. */
    overflow-x: hidden;
    scrollbar-gutter: stable;
    padding: 0.75rem;
}

.cob-pdf-scroll.cob-pdf-zoomed {
    overflow-x: auto;
}

.cob-pdf-reader .cob-pdf-scroll {
    padding: 1.25rem;
}

/* Maat (width/height) wordt per pagina in pixels gezet door cob-pdf-viewer.js —
   exact gelijk aan canvas én tekstlaag, anders drijft tekstselectie af. */
.cob-pdf-page {
    position: relative;
    margin: 0 auto 0.75rem;
    background: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.cob-pdf-reader .cob-pdf-page {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
    margin-bottom: 1rem;
}

.cob-pdf-page canvas {
    display: block;
}

.cob-pdf-page-highlight {
    outline: 3px solid #9bbe32; /* COB-groen */
    outline-offset: 2px;
    transition: outline-color 0.3s ease;
}

/* Sectiekop-highlight: korte pulse-animatie over de gevonden kopregel */
.cob-pdf-sec-flash {
    position: absolute;
    left: 0;
    right: 0;
    pointer-events: none;
    z-index: 4;
    border-radius: 4px;
    animation: cobPdfSecFlash 3.2s ease-out forwards;
}

@keyframes cobPdfSecFlash {
    0%   { background: rgba(155, 190, 50, 0);    box-shadow: none; }
    12%  { background: rgba(155, 190, 50, 0.45); box-shadow: 0 0 0 4px rgba(155, 190, 50, 0.25); }
    45%  { background: rgba(155, 190, 50, 0.35); box-shadow: 0 0 0 4px rgba(155, 190, 50, 0.18); }
    100% { background: rgba(155, 190, 50, 0);    box-shadow: none; }
}

.cob-pdf-fallback-iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* ====== PDF.js-tekstlaag (selecteerbare tekst over het canvas) ====== */
.cob-pdf-page .textLayer {
    position: absolute;
    left: 0;
    top: 0;
    overflow: hidden;
    line-height: 1;
    text-align: initial;
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
    forced-color-adjust: none;
    transform-origin: 0 0;
    z-index: 2;
}

.cob-pdf-page .textLayer span,
.cob-pdf-page .textLayer br {
    color: transparent;
    position: absolute;
    white-space: pre;
    cursor: text;
    transform-origin: 0% 0%;
}

.cob-pdf-page .textLayer ::selection {
    background: rgba(155, 190, 50, 0.35);
}

/* Auto-gedetecteerde URL's in de tekstlaag (klikbaar, glyphs komen van het canvas) */
.cob-pdf-page .textLayer .cob-pdf-textlink {
    color: transparent;
    cursor: pointer;
    pointer-events: auto;
}

.cob-pdf-page .textLayer .cob-pdf-textlink:hover {
    background: rgba(155, 190, 50, 0.18);
    box-shadow: 0 2px 0 rgba(155, 190, 50, 0.6);
}

/* ====== Linklaag: klikbare gebieden uit de PDF-annotaties ====== */
.cob-pdf-linklayer {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
}

.cob-pdf-link {
    position: absolute;
    display: block;
    pointer-events: auto;
    border-radius: 2px;
}

.cob-pdf-link:hover {
    background: rgba(155, 190, 50, 0.18);
    box-shadow: 0 0 0 2px rgba(155, 190, 50, 0.35);
}


/* ====== Responsive (tablet/mobiel): PDF vult de volle breedte ====== */
@media (max-width: 900px) {
    .cob-pdf-viewer-active.cob-pdf-reader .cob-pdf-scroll {
        padding: 0.5rem 0.375rem;
    }
    .cob-pdf-reader .cob-pdf-page {
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 640px) {
    .cob-pdf-toolbar {
        padding: 0.375rem 0.5rem;
        gap: 0.25rem;
    }
    .cob-pdf-viewer-active .cob-pdf-title {
        font-size: 0.8125rem;
        border-left-width: 2px;
        padding-left: 0.375rem;
    }
    .cob-pdf-viewer-active .cob-pdf-pageinfo {
        font-size: 0.75rem;
    }
    .cob-pdf-viewer-active .cob-pdf-zoom-pct {
        display: none;   /* zoomen kan nog; het percentage is op mobiel ruis */
    }
    .cob-pdf-toolbar-left {
        flex: 1 1 0;
        overflow: hidden;
        gap: 0.375rem;
    }
    .cob-pdf-viewer-active .cob-pdf-title {
        max-width: 40vw;
    }
    .cob-pdf-viewer-active .cob-pdf-btn {
        min-width: 2rem;
        height: 2rem;
        padding: 0 0.375rem;
    }
    .cob-pdf-viewer-active .cob-pdf-toolbar-sep {
        display: none;
    }
    .cob-pdf-scroll {
        padding: 0.375rem;
    }
    .cob-pdf-viewer-active {
        height: 70vh;
        min-height: 420px;   /* ingebedde preview niet schermvullend op mobiel */
    }
    .cob-pdf-viewer-active.cob-pdf-reader {
        height: 100vh;
        height: 100dvh;
        min-height: 0;
    }
}
