:root{color-scheme:dark}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:#0b0b0c;color:#eaeaea;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial}a{color:#9ecbff;text-decoration:none}a:hover{text-decoration:underline}.header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #1c1c1f;position:sticky;top:0;background:#0b0b0c;z-index:10}.brand{display:flex;gap:10px;align-items:center}.brand img{width:40px;height:40px;object-fit:cover;border-radius:8px;border:1px solid #1c1c1f}.footer{padding:10px 16px;text-align:center;color:#a7a7ad;font-size:13px;border-top:1px solid #1c1c1f}.reader{width:100%;max-width:980px;margin:0 auto;padding:16px}.pageFrame{display:grid;place-items:center;min-height:calc(100dvh - 140px)}.pageImage{width:100%;height:auto;max-height:85dvh;object-fit:contain;background:#0f0f12;border-radius:8px;border:1px solid #1c1c1f}.controls{display:flex;gap:12px;align-items:center;margin-top:10px}.controls button{background:#1a1a1e;color:#eaeaea;border:1px solid #2a2a2f;padding:8px 12px;border-radius:8px;cursor:pointer}.controls button:disabled{opacity:.5;cursor:not-allowed}