:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#09121c;color:#e7eff7}*{box-sizing:border-box}body{margin:0}main{max-width:1080px;margin:auto;padding:28px 18px 70px}header{padding:20px 0}h1{font-size:clamp(2rem,6vw,3.6rem);max-width:750px;line-height:1.08}h2{font-size:1.4rem}p{line-height:1.6}a{color:#91e7d2;text-underline-offset:4px}section,footer{background:#111f2f;border:1px solid #32465c;border-radius:18px;padding:24px;margin:20px 0}.eyebrow{color:#91e7d2;letter-spacing:.14em;font-size:.8rem}.muted{color:#adbdce;font-size:.9rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:16px}.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}label{display:block;margin:12px 0;line-height:1.5}input,select,textarea,button{font:inherit}input:not([type=checkbox]),select,textarea{display:block;width:100%;min-width:0;background:#08131f;color:#fff;border:1px solid #637a91;padding:12px;border-radius:8px;margin-top:6px}textarea{min-height:85px;resize:vertical}input[type=checkbox]{width:19px;height:19px;vertical-align:middle}button,.actions a{padding:12px 16px;border-radius:9px;border:1px solid #91e7d2;background:#173a3e;color:#e7fff8;cursor:pointer;text-decoration:none}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #f6d16c;outline-offset:3px}.mission{border:1px solid #415972;border-radius:12px;padding:16px}.mission h3{margin-top:0}.mission.done{border-color:#91e7d2}#preview{display:block;max-width:100%;max-height:500px;object-fit:contain;margin:16px 0}article{overflow-wrap:anywhere}#history article{border-top:1px solid #415972;padding:12px 0}[hidden],#preview[hidden]{display:none!important}.toggle{font-size:1.1rem}footer button{margin:6px 6px 6px 0}@media(max-width:450px){section,footer{padding:16px}main{padding:16px 12px 50px}.actions button,.actions a{width:100%}}

/* Navigation and compact, keyboard-accessible preparation cards. */
.og-site-nav,.og-sections{display:flex;flex-wrap:wrap;gap:10px}.og-site-nav a,.og-sections a{display:inline-flex;align-items:center;min-height:44px;padding:10px 14px;border:1px solid #415972;border-radius:9px;text-decoration:none}.og-sections{background:#0d1b2a;padding:12px;border:1px solid #415972;border-radius:12px}.mission summary{font-weight:650;cursor:pointer;min-height:44px;line-height:1.5;padding:8px 0}.mission[open]{background:#0c1a29}.mission.done summary{color:#91e7d2}.og-skip{position:absolute;left:12px;top:-80px;background:#09121c;padding:12px;z-index:50}.og-skip:focus{top:8px}section{scroll-margin-top:18px}#og-main:focus{outline:none}summary:focus-visible{outline:3px solid #f6d16c;outline-offset:3px}#trRows{max-height:65vh;overflow:auto;overscroll-behavior:contain;padding:4px}#trRows:empty{padding:0}@media(max-width:450px){.og-site-nav a,.og-sections a{flex:1 1 auto;justify-content:center}.mission{padding:12px}.og-sections{gap:8px}}