:root{--bg: #0e1116;--panel: #161b22;--panel-2: #1e242d;--ink: #eef2f6;--muted: #9aa7b4;--line: #2a323d;--accent: #e8b06b;--accent-2: #6bb3e8;--learner: #2b5c8a;--ok: #58c078}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink);font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}button{font:inherit;cursor:pointer;border:none;transition:filter .15s,background .15s,border-color .15s,transform .1s}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.5;cursor:default}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes bubbleIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes cardIn{0%{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}@keyframes 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