body { background: #121212; color: #eee; font-family: sans-serif; padding: 20px; }
h1 { margin-bottom: 20px; }
.filter-box { background: #1b1b1b; padding: 15px; border-radius: 6px; margin-bottom: 20px; }
.filter-box h3 { margin: 10px 0 5px; font-size: 14px; }
.filter-box label { display: inline-block; margin-right: 10px; font-size: 13px; }
.filter-box button { margin: 5px 5px 10px 0; font-size: 12px; cursor: pointer; }
.item a { color: #fff; text-decoration: none; }
.item { margin-bottom: 8px; }

/* reader modal */
.modal {
  display: none;
  position: fixed;
  z-index: 10;
  left: 0; top: 0; width: 100%; height: 100%;
  overflow: auto; background: rgba(0,0,0,0.95); padding: 20px;
}
.modal .close { color: #fff; float: right; font-size: 28px; cursor: pointer; }
#readerPages img { width: 100%; margin-bottom: 15px; display: block; }