#course-pdf-viewer{box-sizing:border-box;width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;margin:0;padding:0;border:0;border-radius:0;background:#dfe6ea;color:#253e4b;overflow:auto;overscroll-behavior:contain;font:15px/1.5 Manrope,Arial,sans-serif;--pdf-header:110px}
#course-pdf-viewer::backdrop{background:#10202ce8}
#course-pdf-viewer header{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:max(12px,env(safe-area-inset-top)) 20px 12px;background:#eef2f3;border-bottom:1px solid #bdcbd1}
#course-pdf-viewer h2{font:500 clamp(16px,2vw,23px)/1.25 Manrope,Arial,sans-serif;margin:0 0 4px}
#course-pdf-viewer [data-count]{font-size:12px}
#course-pdf-viewer nav{display:flex;flex-wrap:wrap;gap:8px;flex-shrink:0}
#course-pdf-viewer button,#course-pdf-viewer nav a{display:inline-flex;align-items:center;justify-content:center;font:600 13px/1.3 Manrope,Arial,sans-serif;cursor:pointer;color:#253e4b;border:1px solid #a2b4bf;border-radius:24px;background:white;padding:10px 15px;min-height:44px;text-decoration:none}
#course-pdf-viewer [data-download]{background:#253e4b;color:white;border-color:#253e4b}
#course-pdf-viewer :focus-visible{outline:3px solid #957a44;outline-offset:3px}
#course-pdf-viewer main{padding:0 12px max(12px,env(safe-area-inset-bottom));width:100%;max-width:none;margin:0}
#course-pdf-viewer figure{margin:12px 0 24px;scroll-margin-top:calc(var(--pdf-header) + 12px);text-align:center}
#course-pdf-viewer figcaption{font-size:12px;margin-bottom:8px}
#course-pdf-viewer img{display:block;width:auto;height:auto;max-width:100%;max-height:calc(100dvh - var(--pdf-header) - 64px - env(safe-area-inset-bottom));object-fit:contain;margin:auto;background:white;box-shadow:0 6px 20px #23364722}
#course-pdf-viewer.pdf-wide img{width:100%;max-width:1400px;max-height:none;height:auto}
#course-pdf-viewer [data-status]{padding:20px}
#course-pdf-viewer [hidden]{display:none!important}
@media(max-width:700px){#course-pdf-viewer header{align-items:stretch;flex-direction:column;padding-left:12px;padding-right:12px;gap:8px}#course-pdf-viewer nav{justify-content:space-between}#course-pdf-viewer button,#course-pdf-viewer [data-download]{padding:8px 12px}#course-pdf-viewer main{padding-left:6px;padding-right:6px}}

#course-pdf-viewer [data-original]{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 12px;border:1px solid #a2b4bf;border-radius:24px;color:#253e4b;background:white;font:600 13px/1.3 Manrope,Arial,sans-serif;text-decoration:none}#course-pdf-viewer [data-download-help]{font-size:12px;padding:8px 14px;margin:0;text-align:center;background:#eef2f3}

#course-pdf-viewer [data-save-note]{margin:0;padding:4px 14px 12px;font-size:12px;line-height:1.5;text-align:center;color:#253e4b;background:#eef2f3}