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var(--tw-translate-y)}.data-\[side\=top\]\:-translate-y-1[data-side=top]{--tw-translate-y:calc(var(--spacing) * -1);translate:var(--tw-translate-x) var(--tw-translate-y)}.data-\[state\=open\]\:bg-accent[data-state=open]{background-color:var(--soft)}.data-\[state\=open\]\:text-muted-foreground[data-state=open]{color:var(--sub)}@media (width>=40rem){.sm\:flex-row{flex-direction:row}.sm\:justify-end{justify-content:flex-end}:where(.sm\:space-x-2>:not(:last-child)){--tw-space-x-reverse:0;margin-inline-start:calc(calc(var(--spacing) * 2) * var(--tw-space-x-reverse));margin-inline-end:calc(calc(var(--spacing) * 2) * calc(1 - var(--tw-space-x-reverse)))}.sm\:rounded-lg{border-radius:var(--radius)}.sm\:text-left{text-align:left}}@media (width>=48rem){.md\:text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}}.\[\&_svg\]\:pointer-events-none svg{pointer-events:none}.\[\&_svg\]\:size-4 svg{width:calc(var(--spacing) * 4);height:calc(var(--spacing) * 4)}.\[\&_svg\]\:shrink-0 svg{flex-shrink:0}.\[\&\>span\]\:line-clamp-1>span{-webkit-line-clamp:1;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}}:root{--bg:#f6f8f7;--background:#fff;--foreground:#203b35;--card:#fff;--green:#235e4e;--primary:#235e4e;--deep:#173e34;--sub:#72857c;--soft:#edf5ef;--line:#e2eae5;--mint:#b8ead0;--radius:1rem;color:var(--foreground);font-synthesis:none;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft 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12px}[data-slot],button{font-weight:550}.muted{color:var(--sub)}.small{font-size:12px}.eyebrow{letter-spacing:2.3px;color:var(--sub);font-size:10px;font-weight:650}.text-link{color:var(--green);align-items:center;gap:5px;min-height:44px;font-size:12px;font-weight:600;display:inline-flex}.notice{color:#5b7563;background:#eff5ee;border:1px solid #e2ecdf;border-radius:12px;align-items:flex-start;gap:10px;padding:15px 16px;font-size:12px;line-height:1.85;display:flex}.notice svg{flex-shrink:0;margin-top:2px}.error-message{color:#943f34;overflow-wrap:anywhere;background:#fff1ed;border:1px solid #f1d7d1;border-radius:9px;padding:12px 14px;font-size:12px}.empty-state{text-align:center;color:var(--sub);border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:220px;padding:38px 24px;display:flex}.empty-state h3{color:var(--foreground)}.empty-state p{font-size:12px}.empty-state.compact{border:1px dashed var(--line);background:#f8faf8;min-height:180px}.loading-dot{border:2px solid #d9e5dd;border-top-color:var(--green);border-radius:50%;width:23px;height:23px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.brand{white-space:nowrap;letter-spacing:-1px;align-items:center;gap:10px;font-size:24px;font-weight:750;line-height:1.2;display:inline-flex}.brand small{letter-spacing:1.1px;color:var(--sub);margin-top:5px;font-size:9px;font-weight:500;display:block}.brand-icon{background:var(--green);color:#d0efce;border-radius:13px 13px 13px 3px;place-items:center;width:36px;height:39px;display:grid;transform:rotate(-5deg)}.brand-icon svg{transform:rotate(5deg)}.skip-link{z-index:200;background:var(--green);color:#fff;border-radius:8px;padding:12px;position:fixed;top:-80px;left:20px}.skip-link:focus{top:10px}.sidebar{border-right:1px solid var(--line);z-index:30;background:#fff;flex-direction:column;width:232px;padding:32px 22px 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#446c4310}.math-garden>span:first-child{top:35px;left:10px;transform:rotate(-15deg)}.math-garden>span:nth-child(2){color:#c6e7b9;background:#235e4e;top:0;left:125px;transform:rotate(12deg)}.math-garden>span:nth-child(3){width:80px;height:80px;top:115px;left:200px;transform:rotate(8deg)}.math-garden>span:nth-child(4){color:#998f65;background:#f0ead5;width:65px;height:65px;font-size:35px;top:140px;left:75px;transform:rotate(10deg)}.math-garden>i{border:1px solid #93b48a45;border-radius:50%;width:235px;height:200px;position:absolute;top:15px;left:35px;transform:rotate(-25deg)}.math-garden>i:nth-last-child(2){width:170px;left:65px}.math-garden>i:last-child{width:290px;left:0}.auth-single{border:1px solid var(--line);background:#fff;border-radius:21px;gap:22px;width:calc(100% - 40px);max-width:440px;margin:9vh auto;padding:32px;display:grid;box-shadow:0 15px 60px #173e3405}.auth-single h1{font-size:24px}.auth-single>.brand{margin-bottom:8px}.auth-single>p{color:var(--sub);font-size:12px;line-height:1.9}.phase-steps{color:#8e9c94;align-items:center;gap:27px;margin-bottom:25px;font-size:11px;display:flex}.phase-steps span{align-items:center;gap:8px;display:flex}.phase-steps i{border:1px solid #dce5de;border-radius:50%;place-items:center;width:23px;height:23px;font-size:10px;font-style:normal;display:grid}.phase-steps .active{color:var(--green)}.phase-steps .active i{background:var(--green);color:#fff;border-color:var(--green)}.course-layout{grid-template-columns:minmax(0,1fr) 268px;align-items:start;gap:22px;display:grid}.course-sections{gap:20px;min-width:0;display:grid}.section-card{border-radius:18px;gap:22px;padding:26px;box-shadow:0 8px 25px 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dl>div{justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.summary-card dt{color:var(--sub);white-space:nowrap;font-size:10px}.summary-card dd{text-align:right;max-width:140px;margin:0;font-size:11px;line-height:1.8}.summary-card .notice{background:#eaf2e4;padding:12px;font-size:10px}.history-card{box-shadow:none;border-radius:16px;gap:15px;padding:20px}.history-card>h3{align-items:center;gap:7px;font-size:12px;display:flex}.history-card>.muted{font-size:10px;line-height:1.9}.history-link{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;min-height:50px;padding-top:12px;font-size:11px;display:flex}.history-link small{color:var(--sub);margin-top:3px;font-size:9px;display:block}.ready-card{text-align:center;border-radius:22px;align-items:center;gap:18px;max-width:750px;margin:25px auto 0;padding:35px;display:flex;box-shadow:0 15px 45px 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