:root{color-scheme:dark;--bg:#10191f;--panel:#19262e;--ink:#f0f3ed;--muted:#b3c3c8;--line:#354951;--accent:#baf2d0;--accent-ink:#102b23;--warm:#ebbc89;--bad:#ffb5a4;--radius:20px;font:17px/1.6 ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}body[data-accent=amber]{--accent:#f0cb91;--accent-ink:#352819}body[data-accent=blue]{--accent:#aedbff;--accent-ink:#132c3e}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{border:1px solid var(--line);border-radius:12px;background:#22353f;color:var(--ink);padding:12px 19px;cursor:pointer;min-height:48px;font-weight:600}button:hover{border-color:var(--accent);background:#2b424d}button:disabled{opacity:.5;cursor:default}.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.primary:hover{background:#d4f6e1;color:#102b23}.quiet{background:transparent}.small{font-size:.85rem;padding:8px 13px;min-height:44px}.danger{color:var(--bad)}a{color:var(--accent)}:focus-visible{outline:3px solid var(--warm);outline-offset:4px}input,select,textarea{width:100%;color:var(--ink);background:#101d24;border:1px solid #647e88;border-radius:10px;padding:12px;margin:6px 0 16px}input[type=checkbox]{width:auto;min-width:22px;min-height:22px;vertical-align:middle;margin:0 10px 0 0}input[type=color]{height:48px}label{display:block;color:var(--muted);font-size:.92rem}textarea{min-height:130px;resize:vertical}header{max-width:1250px;margin:auto;padding:25px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{font-weight:760;letter-spacing:-1px;font-size:1.45rem;display:flex;align-items:center;gap:12px}.brand-mark{color:var(--accent);font-size:2rem;font-weight:300}.brand small{font-size:.62rem;letter-spacing:3px;color:var(--muted);display:block;font-weight:500}.topmeta{display:flex;gap:14px;align-items:center;font-size:.8rem;color:var(--muted)}nav{max-width:1250px;margin:0 auto;padding:14px 32px;display:flex;gap:8px;overflow:auto}nav button{background:none;border-color:transparent;white-space:nowrap;color:var(--muted);font-size:.9rem}nav button[aria-current=page]{color:var(--accent);background:var(--panel);border-color:var(--line)}main{max-width:1186px;margin:24px auto 90px;padding:0 24px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2rem,5vw,3.7rem);line-height:1.12;letter-spacing:-1.6px;font-weight:650;margin-bottom:22px}h2{font-size:1.5rem;line-height:1.3;font-weight:650;letter-spacing:-.5px}h3{font-size:1.08rem;line-height:1.4}p{max-width:68ch}.muted{color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:.69rem;color:var(--accent);font-weight:650;margin-bottom:14px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:25px}.card p:last-child{margin-bottom:0}.hero{display:grid;grid-template-columns:1.2fr 1fr;min-height:370px;margin-bottom:22px;overflow:hidden;background:linear-gradient(125deg,#233a41,#16262d)}.hero-copy{padding:40px}.hero-art{position:relative;min-height:300px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:radial-gradient(ellipse at center,#33575055,transparent 68%)}.orbit{border:1px solid #71988a66;border-radius:50%;width:290px;height:290px;position:absolute;transform:rotate(-25deg)}.orbit:before,.orbit:after{content:'';position:absolute;inset:35px;border:1px solid #7faf9b55;border-radius:50%}.orbit:after{inset:75px}.tower{width:90px;height:140px;border:1px solid #a9dbbf;background:linear-gradient(120deg,#33524a,#14272a);transform:skewY(-9deg);box-shadow:22px 19px 0 #0e1c22,22px 19px 0 1px #416258;display:grid;place-items:center;color:var(--accent);font-size:2.5rem}.coordinate{position:absolute;bottom:25px;left:25px;color:#9ac1b1;font:11px/2 ui-monospace,monospace;letter-spacing:2px}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.between{justify-content:space-between}.stack>*+*{margin-top:18px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:28px}.stat{padding:18px 22px;border-left:2px solid var(--line)}.stat strong{display:block;font-size:1.7rem;line-height:1.3}.stat span{font-size:.8rem;color:var(--muted)}.tag{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:4px 11px;font-size:.75rem;color:var(--muted)}.tag.good{color:var(--accent);border-color:#6b9a82}.tag.warm{color:var(--warm)}.bar{height:7px;border-radius:9px;background:#30434b;overflow:hidden;margin:12px 0}.bar>span{display:block;height:100%;background:var(--accent);border-radius:9px}.mission-days{display:flex;gap:8px;margin:20px 0}.day{width:34px;height:34px;display:grid;place-items:center;border:1px solid #566f76;border-radius:50%;font-size:.8rem}.day.done{background:var(--accent);color:var(--accent-ink)}.page-title{display:flex;align-items:start;justify-content:space-between;gap:18px;margin:24px 0}.page-title h1{font-size:2.5rem}.narrow{max-width:760px;margin:25px auto}.practice{padding:35px;position:relative}.practice h1{font-size:2.3rem}.target{font-size:clamp(1.8rem,6vw,3rem);letter-spacing:1px;overflow-wrap:anywhere}.chunks{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.chunk{padding:6px 14px;border:1px solid #698d80;border-radius:8px;color:var(--accent);font-size:1.35rem}.sentence{font-size:1.25rem;border-left:2px solid var(--accent);padding:12px 20px;margin:24px 0;background:#14212a}.answer{font-size:1.4rem;letter-spacing:1px}.feedback{padding:18px 20px;margin-top:20px;border:1px solid #739785;border-radius:12px;background:#20382f}.feedback.error{border-color:#9e7769;background:#362d2a}.feedback p{margin:5px 0}.error-letter{color:#152420;background:var(--accent);border-radius:4px;padding:2px 3px}.choices{display:grid;gap:12px;margin:20px 0}.choices button{text-align:left;font-weight:500}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.notice{padding:14px 20px;border:1px solid var(--warm);border-radius:12px;margin:20px 0;color:var(--warm)}.subtle{font-size:.83rem}.divider{border:0;border-top:1px solid var(--line);margin:25px 0}table{width:100%;border-collapse:collapse;font-size:.87rem}th,td{text-align:left;border-bottom:1px solid var(--line);padding:12px 8px}th{color:var(--muted);font-weight:500}.scroll{overflow:auto}.notebook-entry{border-bottom:1px solid var(--line);padding:20px 0}.notebook-entry:last-child{border:0}.chart{display:flex;align-items:end;gap:5px;height:80px;border-bottom:1px solid var(--line);margin:16px 0}.chart div{flex:1;background:var(--accent);min-height:2px;opacity:.8;border-radius:3px 3px 0 0}.chapter{position:relative;min-height:230px}.chapter.locked{background:#152127}.chapter-num{color:var(--accent);font:13px ui-monospace,monospace;margin-bottom:26px;display:flex;justify-content:space-between}.chapter h3{font-size:1.2rem}.puzzle-grid{display:grid;gap:8px;max-width:440px;margin:25px auto}.puzzle-grid button{aspect-ratio:1;padding:0;font-size:1.3rem}.puzzle-grid .visited{background:var(--accent);color:var(--accent-ink)}.puzzle-grid .blocked{background:#0e161c;border-color:#243239}.dials{display:flex;gap:15px;justify-content:center;margin:30px 0;flex-wrap:wrap}.dial{text-align:center}.dial button{font-size:2rem;width:65px;height:65px}.dial small{display:block;color:var(--muted);margin-bottom:8px}.order-list{min-height:55px;color:var(--accent);margin:15px 0}.onboard{max-width:720px;margin:50px auto;padding:35px}.onboard h1{font-size:3rem}.badge{background:#1e332c;border:1px solid #567b67;padding:14px;border-radius:12px}.skip{position:absolute;left:10px;top:-100px;z-index:10;background:var(--bg);padding:12px}.skip:focus{top:10px}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);padding:12px 20px;background:var(--accent);color:var(--accent-ink);border-radius:10px;max-width:90vw;z-index:30;box-shadow:0 10px 35px #0005}#toast:empty{display:none}footer{font-size:.73rem;color:var(--muted);margin-top:32px}details summary{cursor:pointer;padding:12px 0;color:var(--accent)}progress{width:100%;accent-color:var(--accent)}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:800px){.grid{grid-template-columns:1fr 1fr}.hero{grid-template-columns:1fr .7fr}.hero-copy{padding:28px}.hero-art{min-height:240px}.orbit{width:220px;height:220px}.topmeta .desktop{display:none}}@media(max-width:580px){header{padding:18px}.brand{font-size:1.25rem}nav{padding:10px 14px;gap:0}nav button{padding:10px 12px;font-size:.82rem}main{padding:0 16px;margin-top:15px}.hero{grid-template-columns:1fr}.hero-art{min-height:180px;order:-1}.tower{width:58px;height:86px;font-size:1.5rem;box-shadow:14px 11px 0 #0e1c22,14px 11px 0 1px #416258}.orbit{width:170px;height:170px}.coordinate{bottom:12px;font-size:9px}.hero-copy{padding:26px}.grid,.two,.form-grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.practice{padding:23px}.page-title h1{font-size:2rem}.onboard{margin:15px;padding:25px}.onboard h1{font-size:2.4rem}.topmeta{font-size:.7rem}.card{padding:22px}h1{letter-spacing:-1px}.practice .row button{flex-grow:1}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}@media print{nav,button,header,.hero-art,#toast{display:none}body{background:white;color:black}main{max-width:none}.card{background:white;color:black;border:1px solid #ccc}.muted,td,th{color:#333}}