/* DearFlip 2.4 viewer – themed for NorthEast Pulse. No icon font needed. */
.df-app { position: relative; }
.df-container { position: relative; width: 100%; height: 100%; overflow: hidden; user-select: none; }
.df-container .df-bg { position: absolute; inset: 0; z-index: 0; }
.df-viewer-container { position: absolute; top: 0; bottom: 0; z-index: 1; overflow: hidden; }
.df-viewer { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.df-viewer canvas.df-3dcanvas { position: absolute; top: 0; left: 0; }
.df-csscanvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; }
.df-zoomview { display: none; overflow: auto; }
.df-zoom-active .df-zoomview { display: block; }
.df-zoom-active .df-flipbook { visibility: hidden; }
.df-hidden { display: none !important; }
.df-loading-info, .df-loading-icon { display: none; }
.df-loading .df-loading-info { display: block; position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 5; padding: 8px 16px; border-radius: 999px; background: rgba(18, 36, 28, .85); color: #fff; font: 600 14px/1.4 "Source Sans 3", system-ui, sans-serif; }
.df-comment-popup { display: none; }

/* Thumbnails / outline side panel */
.df-sidemenu-wrapper { position: absolute; top: 0; bottom: 56px; left: 0; z-index: 10; width: 220px; background: #fff; box-shadow: 2px 0 12px rgba(0,0,0,.2); transform: translateX(-105%); transition: transform .3s ease; overflow: auto; }
.df-sidemenu-visible .df-sidemenu-wrapper { transform: none; }
.df-sidemenu-wrapper .df-thumb-container, .df-sidemenu-wrapper .df-outline-container { padding: 10px; }
.df-thumb { display: block; margin: 0 auto 10px; cursor: pointer; border: 2px solid transparent; border-radius: 4px; background-size: cover; }
.df-thumb.df-selected, .df-thumb:hover { border-color: #d98e04; }
.df-thumb-number { display: block; text-align: center; font-size: 12px; color: #5a6660; }
.df-outline-item { padding: 6px 4px; cursor: pointer; font-size: 14px; }
.df-outline-item:hover { color: #1f5d45; }
.df-sidemenu-buttons { display: flex; justify-content: flex-end; padding: 4px; }

/* Toolbar */
.df-ui { position: absolute; left: 0; right: 0; bottom: 0; z-index: 9; display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 2px; padding: 8px; background: rgba(18, 36, 28, .92); }
.df-ui-wrapper { display: flex; align-items: center; gap: 2px; }
.df-ui-btn { position: relative; display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; color: #fff; font-size: 18px; cursor: pointer; transition: background .15s; }
.df-ui-btn:hover { background: rgba(255, 255, 255, .14); }
.df-ui-btn > span { display: none; }
.df-ui-btn.disabled, .df-ui-btn.df-disabled { opacity: .35; pointer-events: none; }
.df-ui-page { width: auto; padding: 0 8px; font-size: 14px; cursor: default; }
.df-ui-page:hover { background: none; }
.df-ui-page input { width: 48px; height: 30px; margin-right: 6px; text-align: center; border: 0; border-radius: 6px; font: inherit; color: #16211c; }
.df-ui-page label { white-space: nowrap; color: #e2ebe5; }
.df-more-container { display: none; position: absolute; bottom: 48px; right: 0; min-width: 200px; padding: 6px 0; background: #fff; border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.df-more-container.df-active, .df-ui-more.df-active .df-more-container { display: block; }
.df-more-container .df-ui-btn { display: flex; justify-content: flex-start; width: 100%; padding: 0 14px; gap: 10px; color: #16211c; border-radius: 0; }
.df-more-container .df-ui-btn:hover { background: #f1f5f2; }
.df-more-container .df-ui-btn > span { display: inline; font-size: 14px; }
.df-ui-download, .df-ui-print, .df-ui-share, .df-ui-play, .df-ui-sound { display: none !important; }

/* Big arrows beside the book */
.df-ui-nav { position: absolute; top: 50%; z-index: 9; transform: translateY(-50%); margin-top: -28px; cursor: pointer; }
.df-ui-nav .df-ui-btn { width: 48px; height: 48px; border-radius: 50%; background: #fff; color: #16211c; box-shadow: 0 4px 14px rgba(0,0,0,.25); font-size: 24px; }
.df-ui-nav .df-ui-btn:hover { background: #f2c14e; }
.df-ui-prev { left: 10px; }
.df-ui-next { right: 10px; }

/* Unicode icons */
.df-icon-list::before        { content: "\2630"; }
.df-icon-grid-view::before   { content: "\25A6"; }
.df-icon-add-circle::before  { content: "+"; font-weight: 700; font-size: 24px; }
.df-icon-minus-circle::before{ content: "\2212"; font-weight: 700; font-size: 24px; }
.df-icon-fullscreen::before  { content: "\26F6"; }
.df-icon-search::before      { content: "\2315"; font-size: 22px; }
.df-icon-more::before        { content: "\22EE"; font-weight: 700; }
.df-icon-close::before       { content: "\2715"; }
.df-icon-arrow-left1::before { content: "\2039"; font-size: 32px; line-height: 1; }
.df-icon-arrow-right1::before{ content: "\203A"; font-size: 32px; line-height: 1; }
.df-icon-double-page::before { content: "\25AF\25AF"; font-size: 12px; }
.df-icon-file::before        { content: "\25AF"; }
.df-icon-fit-screen::before  { content: "\2922"; }
.df-icon-first-page::before  { content: "\21E4"; }
.df-icon-last-page::before   { content: "\21E5"; }

/* Full screen */
.df-container.df-fullscreen { position: fixed !important; inset: 0; z-index: 99999; background: #12241c; }
.reader:fullscreen { overflow: auto; border-radius: 0; }

@media (max-width: 600px) {
    .df-ui-btn { width: 34px; height: 34px; font-size: 16px; }
    .df-ui-page input { width: 40px; }
    .df-ui-nav .df-ui-btn { width: 38px; height: 38px; font-size: 20px; }
}