@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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components;@layer utilities{.visible{visibility:visible}.relative{position:relative}.static{position:static}.start{inset-inline-start:var(--spacing)}.block{display:block}.contents{display:contents}.grid{display:grid}.table{display:table}}:root{--ink:#101d1a;--ink-soft:#1b2e29;--paper:#f4f2e9;--paper-deep:#e9e6d9;--white:#fffef9;--muted:#65736e;--line:#d9dcd2;--mint:#72e6b1;--mint-deep:#1e7b5d;--gold:#f1c85b;--blue:#77a9f7;--red:#ed705f;--sidebar:286px;--shadow:0 18px 50px #101d1a17}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}button,input{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible,a:focus-visible{outline-offset:2px;outline:3px solid 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strong{color:var(--mint);font-size:16px}.progress-track{background:#ffffff14;border-radius:999px;height:5px;margin:11px 0 9px;overflow:hidden}.progress-track span{background:linear-gradient(90deg, var(--mint), #c2ffd4);border-radius:inherit;height:100%;transition:width .3s;display:block}.progress-card small{color:#768a82;font-size:10px}.course-search{color:#6f827a;background:#00000024;border:1px solid #ffffff14;border-radius:10px;align-items:center;gap:8px;margin:0 4px 16px;padding:9px 11px;display:flex}.course-search input{color:#eff8f1;background:0 0;border:0;outline:0;width:100%;font-size:12px}.course-search input::placeholder{color:#65746f}.course-nav{scrollbar-width:thin;scrollbar-color:#405049 transparent;flex-direction:column;min-height:0;display:flex;overflow-y:auto}.nav-label{color:#566a62;letter-spacing:.16em;text-transform:uppercase;margin:16px 9px 7px;font-size:9px;font-weight:800}.nav-home,.lesson-nav{color:#9aaba4;cursor:pointer;text-align:left;background:0 0;border:0;align-items:center;width:100%;transition:all .16s;display:flex}.nav-home{border-radius:9px;gap:11px;padding:10px 12px;font-size:12px;font-weight:700;text-decoration:none}.nav-home span{color:#6b8178;width:17px;font-size:16px}.nav-home:hover,.nav-home.active{color:#f7fff9;background:#72e6b117}.nav-home.active span{color:var(--mint)}.training-nav-link{color:var(--mint);background:#72e6b10f;border:1px solid #72e6b133;margin-top:4px}.training-nav-link:hover{background:#72e6b11f;border-color:#72e6b16b}.lesson-nav-list{gap:2px;display:grid}.lesson-nav{border-radius:8px;gap:8px;padding:7px 10px;position:relative}.lesson-nav:before{content:"";background:0 0;border-radius:0 4px 4px 0;width:3px;height:20px;position:absolute;left:-18px}.lesson-nav>span{color:#52665e;width:25px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:9px}.lesson-nav p{text-overflow:ellipsis;white-space:nowrap;flex:1;margin:0;font-size:11px;font-weight:600;overflow:hidden}.lesson-nav 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var(--line);color:var(--ink);background:#ffffff94}.secondary-button:hover{background:var(--white);border-color:#b7bfb8}.training-switch{color:var(--mint-deep);border-color:#1e7b5d4d}.training-switch span{font-size:15px}.primary-button.compact,.secondary-button.compact{min-height:42px;padding:0 16px}.hero-meta{gap:28px;margin-top:36px;display:flex}.hero-meta div{align-items:baseline;gap:6px;display:flex}.hero-meta strong{font-family:Georgia,serif;font-size:23px}.hero-meta span{color:var(--muted);font-size:10px}.hero-visual{isolation:isolate;min-height:450px;position:relative}.felt-orbit{border:1px solid #1e7b5d33;border-radius:50%;position:absolute}.orbit-one{inset:30px 16px 30px 55px}.orbit-two{inset:78px 70px 84px 2px}.hero-visual:before{content:"";z-index:-1;background:radial-gradient(circle at 28% 24%,#72e6b16b,#0000 34%),linear-gradient(145deg,#1a4438,#10251f);border-radius:47% 53% 46% 54%/58% 42%;position:absolute;inset:80px 0 35px 65px;transform:rotate(-4deg);box-shadow:0 32px 60px #101d1a2e}.hero-cards{width:220px;height:255px;position:absolute;top:62px;left:24%}.playing-card{background:radial-gradient(circle at 80% 85%,#72e6b129,#0000 36%),#fffdf6;border:1px solid #101d1a1f;border-radius:15px;flex-direction:column;width:142px;height:198px;padding:13px;display:flex;position:absolute;box-shadow:0 22px 50px #00000038}.card-back{top:12px;left:0;transform:rotate(-12deg)}.card-front{bottom:0;right:0;transform:rotate(7deg)}.card-rank{font-family:Georgia,serif;font-size:33px;font-weight:900;line-height:1}.card-suit{flex:1;place-items:center;font-size:72px;display:grid}.strategy-panel{z-index:4;color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0f1d19f0;border:1px solid #ffffff1a;border-radius:14px;width:min(335px,73%);padding:18px;position:absolute;bottom:28px;right:0;box-shadow:0 22px 50px #00000040}.panel-head,.panel-foot,.mix-label{justify-content:space-between;align-items:center;display:flex}.panel-head{color:#d6e4de;margin-bottom:17px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:9px;font-weight:700}.live-pill{color:var(--mint);background:#72e6b11f;border-radius:999px;padding:4px 7px;font-family:inherit}.mix-row+.mix-row{margin-top:12px}.mix-label{color:#aab9b3;margin-bottom:6px;font-size:9px}.mix-label strong{color:#fff}.mix-track{background:#ffffff12;border-radius:999px;height:7px;overflow:hidden}.mix-track span{border-radius:inherit;height:100%;display:block}.bar-mint{background:var(--mint)}.bar-gold{background:var(--gold)}.panel-foot{color:#7f958c;border-top:1px solid #ffffff14;margin-top:17px;padding-top:13px;font-size:9px}.panel-foot strong{color:var(--mint);font-size:12px}.ev-chip{z-index:5;background:var(--gold);border:1px solid #101d1a1a;border-radius:10px;gap:2px;padding:11px 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