.trail-shell{--trail-ink:#173e3c;max-width:940px;margin:auto;padding:20px 18px 64px;color:#213f3d;font-size:17px;line-height:1.6}.trail-shell h1{font-size:clamp(1.7rem,4vw,2.8rem);line-height:1.18;margin:12px 0 24px;scroll-margin-top:100px}.trail-shell h2{font-size:1.2rem;line-height:1.4}.trail-shell h3{font-size:1.05rem}.trail-shell p{margin:12px 0}.trail-actions,.trail-header,.trail-row{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}.trail-header{font-size:.8rem;letter-spacing:.04em;margin-bottom:18px}.trail-tools{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;position:sticky;top:0;background:#f8f6ed;padding:10px 0;z-index:5}.trail-shell button{cursor:pointer;min-height:44px;border:1px solid #abb9b4;border-radius:9px;padding:9px 14px;background:white;color:#173e3c;font:inherit}.trail-shell button:disabled{opacity:.5;cursor:default}.trail-tools button{font-size:.85rem;padding:10px 3px}.trail-shell .button-primary,.trail-tools button[aria-expanded=true]{background:#173e3c;color:white}.trail-board,.trail-onboarding,.trail-panel,.trail-station{padding:26px;margin:18px 0;border:1px solid #d5ded8;border-radius:16px;background:#fffef9}.trail-board{background:#eef3ed}.trail-board svg{width:100%;max-height:320px;display:block;background:#fffef9;border-radius:10px}.trail-board-large svg{max-height:none;min-width:600px}.trail-board-large{overflow:auto}.trail-eyebrow{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700}.trail-directions{padding:16px 20px;background:#f3efe2;border-left:4px solid #9d7941;border-radius:4px}.trail-choices{display:grid;gap:10px;margin:18px 0}.trail-choices button{display:flex;text-align:left;gap:16px;padding:16px;align-items:baseline}.trail-choices b{border:1px solid #bcc7c1;padding:1px 9px;border-radius:6px}.trail-choices .selected{border:2px solid #173e3c;background:#e8f1e9}.trail-shell details{margin:18px 0}.trail-shell summary{cursor:pointer;min-height:44px;padding-top:8px;font-weight:600}.trail-shell figure{margin:18px 0}.trail-shell img{max-width:100%;height:auto;border-radius:10px}.trail-shell figcaption{font-size:.75rem}.trail-shell textarea{width:100%;min-height:90px;border:1px solid #9bad9f;border-radius:8px;padding:10px;background:white}.trail-hints{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.trail-hints p{width:100%;background:#fff0ce;padding:10px 14px}.trail-story-beat{font-size:.93rem}.trail-discovery{background:#e9f1e7;padding:20px;border-radius:12px;margin:20px 0}.trail-reward{font-size:1.35rem;font-weight:700}.trail-conclusion{padding:16px;border:1px solid #cdd8d0;border-radius:12px;margin:24px 0}.trail-letters{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0}.trail-letters li{background:white;padding:12px;border:1px solid #ccd7cd;border-radius:8px}.trail-clue-list{padding-left:22px}.trail-clue-list li{margin:7px 0}.trail-panel li{margin:20px 0}.trail-panel button{margin-left:8px}.trail-panel li[aria-current=step]{border-left:4px solid #173e3c;padding-left:12px}.trail-backup,.trail-notice{background:#fff1d7;border-radius:10px;padding:16px}.trail-diagram{font-size:1.2rem;font-weight:700}.trail-status{font-weight:600}.trail-footer{font-size:.78rem;text-align:center}.trail-shell a{text-decoration:underline;text-underline-offset:3px}.trail-shell a:focus-visible,.trail-shell button:focus-visible,.trail-shell summary:focus-visible{outline:3px solid #986625;outline-offset:3px}@media(max-width:600px){.trail-shell{padding:10px 10px 48px;font-size:16px}.trail-board,.trail-onboarding,.trail-panel,.trail-station{padding:18px 15px}.trail-actions>*{width:100%;text-align:center}.trail-shell h1{scroll-margin-top:90px}.trail-tools button{font-size:.77rem}}