@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700;900&display=swap');
.act-nav{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.act-nav span{color:#788578;background:#e7eadf;border-radius:8px;padding:10px 14px;font-size:13px}.act-nav .active{background:#255d4d;color:white}.agent-panel{background:#fcfbf6;border:1px solid #b7c9b0;border-radius:18px;padding:28px;margin:30px 0}.agent-panel h2{margin:8px 0}.agent-panel p{font-size:14px}.agent-panel textarea{display:block;width:100%;border:1px solid #cbd5c5;border-radius:10px;padding:14px;margin:12px 0;font:inherit;background:white;color:#173c36;resize:vertical;line-height:1.7}.agent-panel label{font-size:14px;font-weight:700}.agent-message{background:#ecf2e5;border-radius:12px;padding:22px;margin:20px 0}.agent-prose{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px;line-height:1.95;margin-top:14px}.student-message{border-left:3px solid #e7b75f;padding:10px 18px;margin:20px 0}.notice{padding:14px 18px;background:#f2eddf;border-radius:10px;line-height:1.8}.notice.error{background:#f5e5de;color:#7d382a}.review-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px}.review-columns h3{font-size:16px}.review-columns p{font-size:13px}button:disabled{cursor:default;opacity:.55}button:disabled:hover{background:inherit}.agent-panel button.primary:disabled{background:#718877;color:white}.result{scroll-margin-top:20px}@media(max-width:760px){.agent-panel{padding:20px}.agent-panel .topline{align-items:flex-start;flex-wrap:wrap}.act-nav{gap:6px}.act-nav span{padding:8px;font-size:11px}.review-columns{grid-template-columns:1fr;gap:8px}}
/* Keep the story visible above the fold on classroom phones. */
@media(max-width:760px){body .aside{display:flex;align-items:center;gap:8px}body .aside .panel{flex:1;padding:10px}body .aside .actions{margin:0}body .aside .actions button{padding:12px 8px;font-size:12px}body .game{gap:16px}body .stats{gap:8px}body .stat{font-size:11px}}
:root{--bg:#f3f1e9;--ink:#173c36;--green:#255d4d;--muted:#718078;--line:#d9dfd4;--gold:#e7b75f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'Noto Sans SC',system-ui,sans-serif}header{max-width:1200px;margin:auto;padding:25px 32px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}a{color:inherit;text-decoration:none}#brand{font-weight:900;font-size:21px}small{font-size:10px;letter-spacing:2px;color:var(--muted);margin-left:10px}button{font:inherit;cursor:pointer;border:1px solid var(--line);background:transparent;border-radius:10px;color:var(--ink);padding:11px 18px}button:hover{border-color:var(--green);background:#e9eee4}button:focus-visible{outline:3px solid var(--gold);outline-offset:3px}main{max-width:1100px;margin:40px auto;padding:0 28px;min-height:70vh}h1{font-size:clamp(38px,6vw,70px);line-height:1.18;letter-spacing:-2px;margin:22px 0}h2{font-size:28px;line-height:1.5;margin-top:12px}p{line-height:1.9}.eyebrow{letter-spacing:3px;font-size:12px;color:var(--green);font-weight:700}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:center}.intro{color:#607268;max-width:490px}.primary{background:var(--green);color:white;border-color:var(--green)}.primary:hover{background:#174735;color:white}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:25px 0}.poster{background:#dfe7dc;border-radius:160px 160px 18px 18px;min-height:440px;position:relative;overflow:hidden;padding:30px;display:flex;flex-direction:column;justify-content:end}.clock{position:absolute;top:38px;right:35px;background:var(--bg);border:8px solid #bdcdbd;border-radius:50%;height:112px;width:112px;display:grid;place-items:center;font-size:22px}.desk{height:90px;background:#bd9672;border-top:12px solid #d6b894;border-radius:6px;margin:0 -30px -30px}.clipboard{background:#fffcf2;width:205px;padding:26px 20px;transform:rotate(-9deg);margin:70px auto -5px;box-shadow:12px 13px 0 #c7d3c4;border-radius:6px}.clipboard b{font-size:40px}.clipboard p{font-size:13px;border-bottom:1px solid #ddd;padding-bottom:8px}.badge{background:#fff9e8;border:1px solid #ead9ac;border-radius:30px;padding:6px 12px;display:inline-block;font-size:12px}.chapters{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:45px}.chapter,.panel{background:#fcfbf6;border:1px solid var(--line);border-radius:16px;padding:24px}.chapter.locked{opacity:.5}.chapter span{font-size:12px;color:var(--muted)}.chapter h3{font-size:16px}.topline{display:flex;justify-content:space-between;gap:10px;align-items:center}.progress{height:5px;background:#dfe4da;border-radius:6px;margin:20px 0 30px}.progress div{height:100%;background:var(--green);border-radius:6px}.game{display:grid;grid-template-columns:1fr 260px;gap:24px}.story{background:#fcfbf6;border:1px solid var(--line);padding:32px;border-radius:18px}.scene{font-size:13px;color:var(--muted)}blockquote{margin:22px 0;padding:18px 22px;border-left:3px solid var(--gold);background:#f4efe3;line-height:1.9}.options{display:grid;gap:12px;margin-top:25px}.option{text-align:left;background:white;display:flex;align-items:start;gap:14px;padding:18px;line-height:1.65}.letter{flex-shrink:0;background:#edf1e8;border-radius:7px;padding:2px 9px;font-weight:bold}.stats{display:grid;gap:18px}.stat{font-size:13px}.stat strong{float:right}.meter{height:6px;background:#e7e9df;border-radius:10px;margin-top:10px}.meter div{height:100%;background:#6e9476;border-radius:10px}.aside p{font-size:12px;color:var(--muted)}.feedback{padding:20px;border-radius:12px;background:#e9efdf;margin-top:25px;line-height:1.8}.feedback h3{margin-top:0}.result{max-width:760px;margin:auto}.result h1{font-size:44px}.ending-art{font-size:60px;margin:20px 0}.review{border-bottom:1px solid var(--line);padding:16px 0}.review p{margin:5px 0;font-size:14px}.muted{color:var(--muted)}dialog{border:1px solid var(--line);border-radius:20px;background:#fcfbf6;color:var(--ink);max-width:750px;width:92%;max-height:85vh;padding:30px}dialog::backdrop{background:#18382f88}.close{float:right}#modal-body{clear:both;padding-top:10px}footer{text-align:center;padding:35px 20px;font-size:11px;color:var(--muted)}input{font:inherit;padding:12px;border:1px solid var(--line);border-radius:8px;background:white;max-width:100%}.report{padding:22px;background:white;border:1px dashed #a8b6a5;border-radius:10px;line-height:1.9}.chips{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.chips span{padding:8px 12px;border-radius:8px;background:#e5ecdf;font-size:12px}@media(max-width:760px){header{padding:18px}small{display:none}main{padding:0 16px;margin-top:25px}.hero{grid-template-columns:1fr;gap:25px}.poster{min-height:270px;border-radius:90px 90px 16px 16px}.clipboard{margin-top:20px}.clock{width:85px;height:85px;top:18px;right:20px;font-size:18px}.chapters{grid-template-columns:1fr;margin-top:25px}.game{grid-template-columns:1fr}.aside{order:-1}.stats{grid-template-columns:repeat(3,1fr);gap:12px}.aside .panel{padding:15px}.aside p{display:none}.story{padding:22px}h2{font-size:23px}.result h1{font-size:34px}}