@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-sans-latin-400-normal-CDDApCn2.woff2)format("woff2"),url(/assets/ibm-plex-sans-latin-400-normal-CYLoc0-x.woff)format("woff")}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-sans-latin-500-normal-6ng42L7E.woff2)format("woff2"),url(/assets/ibm-plex-sans-latin-500-normal-BgVn5rGT.woff)format("woff")}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-sans-latin-600-normal-CuJfVYMP.woff2)format("woff2"),url(/assets/ibm-plex-sans-latin-600-normal-Cu4Hd6ag.woff)format("woff")}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/ibm-plex-sans-latin-700-normal-Bxkt5Cjx.woff2)format("woff2"),url(/assets/ibm-plex-sans-latin-700-normal-Bth3BMcD.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/ibm-plex-mono-latin-400-normal-DMJ8VG8y.woff2)format("woff2"),url(/assets/ibm-plex-mono-latin-400-normal-CvHOgSBP.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/ibm-plex-mono-latin-500-normal-DSY6xOcd.woff2)format("woff2"),url(/assets/ibm-plex-mono-latin-500-normal-CB9ihrfo.woff)format("woff")}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/ibm-plex-mono-latin-600-normal-BgSNZQsw.woff2)format("woff2"),url(/assets/ibm-plex-mono-latin-600-normal-DWFSQ4vo.woff)format("woff")}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg,#fafafa);color:var(--text,#171a1f);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-family:IBM Plex Sans,system-ui,sans-serif}#root{height:100vh}::selection{background:var(--accent-weak)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--border);border:3px solid var(--surface);border-radius:6px}::-webkit-scrollbar-thumb:hover{background:var(--text-faint)}@keyframes aipFadeUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@keyframes aipFlipIn{0%{opacity:0;transform:rotateX(8deg)}to{opacity:1;transform:none}}@keyframes aipPulse{0%,to{opacity:1}50%{opacity:.35}}@keyframes aipShimmer{to{transform:translate(100%)}}.aip-shimmer{background:var(--surface-2);border-radius:7px;position:relative;overflow:hidden}.aip-shimmer:after{content:"";background:linear-gradient(90deg, transparent, color-mix(in srgb, var(--text) 7%, transparent), transparent);animation:1.4s ease-in-out infinite aipShimmer;position:absolute;inset:0;transform:translate(-100%)}.aip-hover-accent:hover{border-color:var(--accent)!important}.aip-pathnode{transition:transform .12s}.aip-pathnode:hover{transform:translateY(-3px)}.aip-doc:hover{border-color:var(--accent)!important;color:var(--accent)!important}.aip-hover-surface:hover{background:var(--surface-2)!important}.aip-topic-item:hover:not(.is-active){background:var(--surface-2)!important;color:var(--text)!important}.aip-card:hover{border-color:var(--accent)!important;transform:translateY(-2px)!important}.aip-flip:hover{border-color:var(--accent)!important}.aip-hover-bad:hover{border-color:var(--bad)!important}.aip-hover-good:hover{border-color:var(--good)!important}.aip-opacity:hover{opacity:.92!important}.aip-btn{--btn:var(--accent);cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:11px;justify-content:center;align-items:center;gap:8px;padding:11px 18px;font-family:inherit;font-size:14px;font-weight:600;line-height:1;transition:transform .12s,box-shadow .12s,background .15s,border-color .15s,color .15s;display:inline-flex}.aip-btn:active{transform:translateY(1px)}.aip-btn:disabled{opacity:.55;cursor:default;pointer-events:none}.aip-btn-sm{border-radius:9px;gap:7px;padding:7px 13px;font-size:12.5px}.aip-btn-primary{background:linear-gradient(180deg, color-mix(in srgb, var(--btn) 88%, #fff 12%), var(--btn));color:var(--accent-fg);box-shadow:0 1px 0 #ffffff47 inset, 0 2px 8px color-mix(in srgb, var(--btn) 30%, transparent)}.aip-btn-primary:hover{box-shadow:0 4px 16px color-mix(in srgb, var(--btn) 38%, transparent);transform:translateY(-1px)}.aip-btn-tint{background:color-mix(in srgb, var(--btn) 14%, transparent);color:var(--btn)}.aip-btn-tint:hover{background:color-mix(in srgb, var(--btn) 22%, transparent)}.aip-btn-ghost{background:var(--surface);border-color:var(--border);color:var(--text)}.aip-btn-ghost:hover{border-color:var(--btn);color:var(--btn)}.aip-btn-danger{background:var(--surface);border-color:color-mix(in srgb, var(--bad) 45%, var(--border));color:var(--bad)}.aip-btn-danger:hover{background:var(--bad);color:#fff;border-color:var(--bad)}.aip-btn-ico{background:var(--surface);border-color:var(--border);width:38px;height:38px;color:var(--text-dim);border-radius:10px;padding:0}.aip-btn-ico:hover{border-color:var(--btn);color:var(--btn)}.aip-quiz-opt:not(.is-answered):hover{border-color:var(--accent)!important;background:var(--surface-2)!important}.aip-input:focus{border-color:var(--accent)!important}.aip-lesson-body>:first-child{margin-top:0!important}.aip-lesson-body .aip-codeblock{margin:26px 0!important}button{font-family:inherit}@media (width<=768px){.aip-page{padding:20px 16px 56px!important}.aip-grid-4{grid-template-columns:repeat(2,1fr)!important}.aip-grid-3,.aip-grid-2{grid-template-columns:1fr!important}.aip-live-head{flex-wrap:wrap!important;row-gap:8px!important;padding:12px 14px!important}.aip-live-scroll{padding:16px 14px!important}.aip-live-bar{padding:12px 14px!important}.aip-msg{max-width:92%!important}}@keyframes aipSpeakRing{0%,to{box-shadow:0 0 0 2px var(--accent), 0 0 0 6px var(--accent-weak)}50%{box-shadow:0 0 0 2px var(--accent), 0 0 0 12px transparent}}@keyframes aipSpeakRingInset{0%,to{box-shadow:inset 0 0 0 2px var(--accent), inset 0 0 0 6px var(--accent-weak)}50%{box-shadow:inset 0 0 0 2px var(--accent), inset 0 0 0 12px transparent}}@keyframes aipJoinIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}@keyframes aipToast{0%{opacity:0;transform:translateY(-6px)}12%,82%{opacity:1;transform:none}to{opacity:0;transform:translateY(-6px)}}.aip-cam-video{transform:scaleX(-1)}.aip-call-tile{animation:.32s both aipJoinIn}.aip-code-input::placeholder{color:var(--text-faint)}.aip-code-input::selection{background:var(--accent-weak);color:#0000}.aip-call-grid-code{grid-template-rows:minmax(0,1fr) minmax(0,1fr);grid-auto-flow:column;grid-template-columns:minmax(230px,300px) 1fr!important}.aip-code-pane{grid-area:1/2/3;min-width:0;min-height:0;display:flex}.aip-call-btn{transition:background .15s,border-color .15s,color .15s}.aip-call-btn:hover{background:var(--surface)!important;border-color:var(--text-faint)!important}.aip-call-btn-danger:hover{background:var(--bad)!important;border-color:var(--bad)!important;color:#fff!important}@media (width<=768px){.aip-call-grid{grid-template-columns:1fr!important;grid-auto-rows:minmax(0,1fr)!important}.aip-call-grid-code{grid-template-rows:none;grid-auto-flow:row}.aip-call-grid-code .aip-code-pane{grid-area:auto;min-height:300px}.aip-call-controls{gap:8px!important;padding:10px 12px!important}.aip-call-top{padding:12px 14px!important}}.hljs{color:var(--syn-default);background:0 0}.hljs-comment,.hljs-quote{color:var(--syn-comment);font-style:italic}.hljs-keyword,.hljs-selector-tag,.hljs-literal,.hljs-section,.hljs-doctag{color:var(--syn-keyword)}.hljs-string,.hljs-regexp,.hljs-addition,.hljs-meta-string{color:var(--syn-string)}.hljs-number,.hljs-bullet{color:var(--syn-number)}.hljs-built_in,.hljs-symbol,.hljs-link{color:var(--syn-builtin)}.hljs-type,.hljs-class .hljs-title,.hljs-title.class_,.hljs-namespace{color:var(--syn-type)}.hljs-title,.hljs-title.function_,.hljs-function .hljs-title{color:var(--syn-func)}.hljs-attr,.hljs-attribute,.hljs-property,.hljs-variable,.hljs-template-variable,.hljs-params,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:var(--syn-attr)}.hljs-name,.hljs-tag,.hljs-selector-pseudo{color:var(--syn-tag)}.hljs-meta,.hljs-meta .hljs-keyword{color:var(--syn-meta)}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:700}.aip-note:hover{border-color:var(--accent)!important}.aip-note-del{opacity:0;transition:opacity .15s}.aip-note:hover .aip-note-del{opacity:1}.aip-note-del:hover{color:var(--bad)!important}.aip-pair-cols{flex-direction:column;align-items:stretch;gap:16px;display:flex}@media (width>=1080px){.aip-pair-cols{flex-direction:row;align-items:flex-start;gap:20px}.aip-pair-cols>.aip-pair-tasks{flex-shrink:0;width:300px;position:sticky;top:20px}.aip-pair-cols>.aip-pair-chat{flex:1;min-width:0}}