/* ============================================================
   pdf_viewer.css — stop-gap PDF viewer
   Targets the currently-served template classes:
     .pdf-viewer-container, .main-viewer-wrapper,
     .pdf-viewer-wrapper, .pdf-viewer, .viewer-toolbar
   ============================================================ */

/* ---------- Container ---------- */
.pdf-viewer-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* ---------- Toolbar ---------- */
.viewer-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 10px 14px;
    background: #1a1a2e;
    color: #eee;
    border-bottom: 1px solid #333;
}

.toolbar-left,
.toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.pdf-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 40vw;
}

.page-indicator {
    font-size: 0.85rem;
    color: #bbb;
}

.toolbar-btn {
    background: #2c2c44;
    color: #eee;
    border: 1px solid #444;
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    min-height: 32px;
}

.toolbar-btn:hover {
    background: #3a3a5c;
    border-color: #666;
}

.toolbar-btn:active {
    background: #22223a;
}

#zoomLevel {
    font-size: 0.85rem;
    color: #ccc;
    min-width: 48px;
    text-align: center;
}

.download-btn {
    margin-left: 6px;
}

/* ---------- Viewer area ---------- */
.main-viewer-wrapper {
    display: flex;
    flex-direction: column;
}

.pdf-viewer-wrapper {
    position: relative;
    width: 100%;
    min-height: 70vh;
    max-height: 85vh;
    overflow: auto;
    background: #2b2b2b;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 16px 0;
}

.pdf-viewer {
    position: relative;
    display: block;
}

#pdfCanvas {
    display: block;
    max-width: 100%;
    height: auto;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    margin: 0 auto;
}

/* ---------- Loading overlay ---------- */
.loading-overlay,
#loadingOverlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    z-index: 10;
    pointer-events: none;
}

.loading-overlay.hidden,
#loadingOverlay.hidden {
    display: none;
}

/* ---------- Thumbnails sidebar (present but unused for now) ---------- */
.thumbnails-sidebar {
    display: none;
}

/* ---------- Mobile ---------- */
@media (max-width: 600px) {
    .pdf-title {
        max-width: 60vw;
        font-size: 0.85rem;
    }
    .viewer-toolbar {
        padding: 8px 10px;
        gap: 4px;
    }
    .toolbar-btn {
        padding: 5px 8px;
        min-width: 30px;
        min-height: 30px;
        font-size: 0.85rem;
    }
    .page-indicator,
    #zoomLevel {
        font-size: 0.75rem;
    }
    .pdf-viewer-wrapper {
        min-height: 60vh;
        padding: 8px 0;
    }
}