:root{color-scheme:dark;--bg:#100a09;--card:#1b1210;--edge:#513028;--text:#fff1e9;--muted:#bdaaa3;--hot:#ff642d;--soft:#3a2019;font-family:Arial,Helvetica,sans-serif}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% -15%,#4b2018 0,#100a09 38rem);color:var(--text);font-size:16px;line-height:1.5}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}a{color:#ffad86}a:hover{text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #ff8b5a;outline-offset:3px}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.4rem,6vw,4.4rem);line-height:1.04;letter-spacing:-.05em;font-weight:900;text-transform:uppercase;margin-bottom:16px}h1 em{font-style:normal;color:var(--hot)}h2{font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.1;letter-spacing:-.035em}h3{font-size:1.15rem}p{color:var(--muted)}label{display:block;font-weight:700;font-size:.88rem;margin:18px 0 7px}input,textarea{display:block;width:100%;padding:13px 15px;color:var(--text);background:#0e0908;border:1px solid #604034;border-radius:11px}textarea{resize:vertical}button{border:0;color:var(--text)}button.primary,button.secondary{border-radius:11px;padding:12px 18px;font-weight:800;min-height:46px}button.primary{color:#280e08;background:linear-gradient(120deg,#ff8a46,#ff4b26);box-shadow:0 8px 30px #e7411735}button.primary:hover{filter:brightness(1.1)}button.secondary{background:#392019;border:1px solid #81503e;color:#ffe2d1}button.secondary:hover{background:#4c281c}button.quiet,button.back{background:transparent;color:#d8b4a5;padding:8px}.kicker{font:800 .73rem/1.4 ui-monospace,SFMono-Regular,monospace;letter-spacing:.13em;color:#e18463;text-transform:uppercase}.ember{position:fixed;inset:auto 0 0;height:15vh;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at bottom,#e24d1a32,transparent 70%)}.brand{display:inline-flex;align-items:center;gap:8px;font-size:1.13rem;font-weight:900;letter-spacing:-.03em;background:none;padding:0}.brand b{color:var(--hot)}.mark{display:inline-grid;place-items:center;width:35px;height:35px;border-radius:10px;background:var(--hot);color:#3d1308;font-size:24px}.lock-screen{min-height:100dvh;display:grid;place-items:center;padding:24px}.lock-card{width:min(100%,530px);padding:clamp(24px,5vw,48px);border:1px solid var(--edge);border-radius:24px;background:linear-gradient(150deg,#281511,#160e0c 70%);box-shadow:0 35px 90px #0008}.lock-card .kicker{display:block;margin:44px 0 12px}.lock-card>a{display:inline-block;margin-top:25px}.login-row{display:flex;gap:10px}.login-row input{min-width:0}.status{font-size:.8rem;margin-top:13px}.header{position:sticky;top:0;z-index:5;min-height:76px;padding:12px max(20px,calc((100vw - 1140px)/2));display:flex;align-items:center;justify-content:space-between;gap:24px;background:#130c0bea;border-bottom:1px solid #4d2a20;backdrop-filter:blur(16px)}.nav{display:flex;gap:5px;background:#231511;border:1px solid #583226;border-radius:40px;padding:5px}.nav button{background:transparent;color:#bca69d;border-radius:32px;padding:9px 16px;font-weight:700}.nav button.active{color:#fff2e8;background:#543023}.nav-icon{margin-right:4px}.notice{max-width:1140px;margin:12px auto;padding:11px 17px;border-radius:10px;background:#283623;border:1px solid #728550;color:#e2f4d6}.notice.error{background:#45211a;border-color:#bd5742;color:#ffddd2}.page{display:none;max-width:1140px;min-height:72vh;margin:0 auto;padding:48px 20px 60px}.page.active{display:block}.intro{max-width:780px;margin-bottom:34px}.intro .kicker{display:block;margin-bottom:14px}.intro p{max-width:660px;font-size:1.08rem}.path{display:grid;gap:12px;max-width:790px}.path-card{width:100%;min-height:118px;display:grid;grid-template-columns:64px 1fr 28px;align-items:center;gap:18px;text-align:left;padding:18px 24px;border:1px solid #58382c;border-radius:19px;background:linear-gradient(120deg,#271814,#1b120f);transition:transform .15s,border-color .15s}.path-card:hover{transform:translateY(-2px);border-color:#d66b44}.path-card:first-child{border-color:#ec754c}.path-card.done{border-color:#7b5942}.level{width:56px;height:56px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,#fe7237,#a42c15);font-weight:900;font-size:1.25rem;box-shadow:0 6px 24px #e3481745}.done .level{background:#4a4430;color:#e8d5b2}.path-card small{display:block;color:#dd906f;font:800 .72rem ui-monospace,monospace;letter-spacing:.1em}.path-card strong{display:block;font-size:1.5rem;line-height:1.15;margin:5px 0}.path-card em{display:block;font-style:normal;color:#ae9b91;font-size:.89rem}.arrow{font-size:1.5rem;color:#ff8a58}.lesson,.shelf,.saved-card{border:1px solid #59392d;border-radius:20px;background:linear-gradient(145deg,#231612,#17100e);padding:clamp(20px,3.5vw,36px)}.lesson{max-width:790px}.lesson .back{display:block;margin:-7px 0 27px}.lesson h2{margin:10px 0 20px}.lesson>p{max-width:610px}.lesson-steps{display:flex;gap:9px;margin:17px 0 22px;flex-wrap:wrap}.lesson-steps span{border:1px solid #5b392d;border-radius:50px;padding:6px 10px;color:#b79e91;font-size:.8rem}.lesson-steps .on{color:#ffb58a;border-color:#ff8a54}.player{margin:23px 0}.video-gate{width:100%;min-height:260px;display:grid;place-content:center;gap:4px;text-align:center;border-radius:14px;border:1px solid #975034;background:radial-gradient(circle at center,#66331f,#1a100e 65%)}.video-gate span{font-size:2rem;color:#ff8e4f}.video-gate strong{font-size:1.3rem}.video-gate small{color:#d9b4a2}.player iframe{display:block;width:100%;aspect-ratio:16/9;border:0;border-radius:14px;background:#000}.player audio,.player video,.record-area audio,.saved-card audio,.saved-card video{width:100%;max-height:350px;margin-top:12px}.cue{margin:22px 0;padding:18px 21px;background:#392017;border-left:3px solid var(--hot);border-radius:8px}.cue b{font:.75rem ui-monospace,monospace;color:#ffac82}.cue p{margin:8px 0 0;color:#f8d9c8}.guard{font-size:.91rem}.prompt{margin:25px 0;padding:25px;background:#130d0c;border:1px solid #624034;border-radius:14px}.prompt small{display:block;color:#e5835d;font-weight:800;letter-spacing:.08em}.prompt strong{display:block;font-size:1.35rem;margin-top:9px}.record-area{border-top:1px solid #55342a;border-bottom:1px solid #55342a;padding:22px 0;margin:20px 0}.record-area p{max-width:580px;margin:5px 0 14px}.record-area button+button{margin-left:10px}.lesson>.primary{margin-top:22px}.footnote{font-size:.81rem;color:#98847d;max-width:790px;margin:18px 0}.text-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,1fr);gap:24px;align-items:start}.shelf{padding:27px}.shelf h2{font-size:1.45rem;margin:10px 0}.shelf p{font-size:.89rem}.shelf details{margin:22px 0;padding-top:18px;border-top:1px solid #563529}.shelf summary{cursor:pointer;font-weight:800;color:#ffa876}.shelf textarea{margin-bottom:12px}.source-card{margin:14px 0;padding:14px;border:1px solid #654337;border-radius:10px;background:#140d0b}.source-card p{margin:7px 0;overflow-wrap:anywhere}.feedback{padding:14px;margin:15px 0;border-radius:10px;background:#3b291e;color:#ffe0c4;min-height:3rem}.feedback:empty{display:none}#saveReply{display:block;margin-top:15px}.upload{max-width:660px}.upload .primary{margin-top:18px}.card-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;max-width:900px;margin-top:22px}.saved-card h3{margin:10px 0}.saved-card p{overflow-wrap:anywhere}.card-actions{display:flex;gap:12px;flex-wrap:wrap}.empty{padding:25px;border:1px dashed #644135;border-radius:16px;color:#bba59a}footer{max-width:1140px;margin:auto;padding:25px 20px 100px;border-top:1px solid #442920;display:flex;justify-content:space-between;gap:12px;font-size:.83rem;color:#98847d}
@media(max-width:760px){.header{padding:11px 17px}.header .brand{font-size:.9rem}.header .mark{width:28px;height:28px}.nav{position:fixed;left:12px;right:12px;bottom:11px;justify-content:space-around;background:#1e120ff4;border-radius:17px;box-shadow:0 10px 30px #0009}.nav button{display:grid;place-items:center;gap:0;min-width:20%;font-size:.73rem;padding:7px}.nav-icon{font-size:1.2rem;margin:0}.header #signOut{font-size:.78rem}.page{padding:30px 17px 50px}.text-grid{grid-template-columns:1fr}.shelf{order:2}.card-list{grid-template-columns:1fr}.path-card{grid-template-columns:48px 1fr 18px;gap:12px;padding:14px;min-height:100px}.level{width:46px;height:46px}.path-card strong{font-size:1.23rem}.path-card em{font-size:.78rem}.video-gate{min-height:190px}footer{display:block;padding-bottom:100px}footer span{display:block;margin-bottom:8px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
#saveState{max-width:155px;color:#bdaaa3;font-size:.72rem;line-height:1.2;text-align:right}
@media(max-width:760px){#saveState{max-width:105px;font-size:.62rem}.header{gap:8px}}