:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#17384d;--ink:#17384d;--muted:#5e7885;--line:#d8e8e9;--aqua:#49aab0;--aqua-dark:#176d78;--aqua-soft:#e3f5f3;--cream:#fff8e9;--coral:#ef9b76;--warm:#f4a67e;--warm-soft:#fff1e8;--violet-soft:#f1effb;--shadow:0 18px 50px #1f59641f;background:#eef5f3;font-family:Inter,ui-rounded,SF Pro Rounded,Segoe UI,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;background:#eef5f3;min-width:320px}body{background:radial-gradient(circle at 8% 4%,#fffaf3 0,#0000 32%),radial-gradient(circle at 94% 22%,#dcefee 0,#0000 31%),linear-gradient(145deg,#f7f8f2 0%,#e7f2f1 100%);min-width:320px;min-height:100vh;margin:0;overflow-x:hidden}button,input,textarea,select{font:inherit}button{-webkit-tap-highlight-color:transparent}button,input,textarea,select{outline-color:var(--ink)}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline-offset:3px;outline:3px solid 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0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.voicePanel{gap:13px;display:grid}.mentorWorkspace{max-width:none;min-height:100svh;margin:0;padding:0;position:relative;overflow:hidden}.mentorWorkspace>.backButton{z-index:25;top:86px;left:max(16px, env(safe-area-inset-left));background:#ffffffe6;border:1px solid #ffffffb3;position:absolute;box-shadow:0 5px 18px #18373921}.mentorWorkspaceTitle{z-index:12;width:auto;top:88px;right:max(18px, env(safe-area-inset-right));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#eef8f6d1;margin:0;padding:8px 11px;position:absolute;box-shadow:0 6px 18px #1837391a}.mentorWorkspaceTitle>span{width:34px;height:34px}.mentorWorkspaceTitle h2{font-size:15px}.mentorWorkspaceTitle p{display:none}.mentorScene{min-height:100svh;padding:94px max(22px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(22px, env(safe-area-inset-left));isolation:isolate;background:#d8e7e2;place-items:start end;display:grid;position:relative;overflow:hidden}.speakingAvatar{aspect-ratio:720/620;z-index:-2;width:max(100%,116.13svh);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.speakingAvatar:after{content:"";background:linear-gradient(90deg,#0000 25%,#142f3314 54%,#142f3347 100%);position:absolute;inset:0}.speakingAvatar img{object-fit:cover;width:100%;height:100%;display:block}.speakingAvatar .mentorMouthPatch{z-index:2;object-fit:fill;pointer-events:none;transform-origin:50%;max-width:none;position:absolute;transform:rotate(11deg)}.mentorMouthGuide{z-index:3;pointer-events:none;background:#0066ff14;border:1px dashed #06fc;position:absolute}.mentorPresence{z-index:4;left:max(22px, env(safe-area-inset-left));bottom:max(28px, env(safe-area-inset-bottom));color:#fff;-webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);background:#16373cb8;border:1px solid #ffffffb8;border-radius:999px;align-items:center;gap:8px;padding:9px 13px;font-size:13px;font-weight:850;display:flex;position:absolute;box-shadow:0 8px 25px #112b2f33}.mentorPresence>span{background:#b9d6d1;border-radius:50%;width:9px;height:9px}.mentorPresence.state-mentor_speaking>span,.mentorPresence.state-opening>span{background:#f4c58b;animation:.9s ease-in-out infinite alternate presence-pulse}.mentorPresence.state-listening>span{background:#83e0c6;animation:.65s ease-in-out infinite alternate presence-pulse}@keyframes presence-pulse{to{opacity:.62;transform:scale(1.45)}}.mentorScene>.voicePanel{-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);overscroll-behavior:contain;background:#f7fcfae0;border:1px solid #ffffffb8;border-radius:22px;width:min(390px,40vw);max-height:calc(100svh - 176px);margin-top:94px;padding:14px;overflow-y:auto;box-shadow:0 18px 48px #16373c2e}.mentorScene .conversation{max-height:min(280px,32svh)}.mentorScene .buttonRow{flex-wrap:wrap}.mentorScene 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ui-monospace,SFMono-Regular,Menlo,monospace;overflow:auto}.audioDiagnosticTrace time{color:#f4ca82}.audioDiagnosticCopy{width:100%}.audioDiagnosticCopyStatus{margin:5px 0 0!important}.textFallback{border-top:1px solid #94b8b87a;padding-top:2px}.textFallback summary{color:#315866;cursor:pointer;align-items:center;min-height:44px;font-weight:850;display:flex}.textFallback[open]{gap:12px;display:grid}.textFallback textarea{margin-top:0}.conversation{overscroll-behavior:contain;gap:10px;max-height:340px;padding:4px;display:grid;overflow-y:auto}.conversationEmpty{text-align:center;background:linear-gradient(135deg,#f0f8f7,#fff8ef);border-radius:20px;padding:24px 18px}.conversationEmpty>span{width:40px;height:40px;color:var(--aqua-dark);background:#fff;border-radius:14px;place-items:center;margin:0 auto 10px;display:grid;box-shadow:0 5px 16px #245e6517}.conversationEmpty h3{margin:0;font-size:18px}.conversationEmpty p{max-width:480px;color:var(--muted);margin:7px auto 0;font-size:14px;line-height:1.5}.messageBubble{background:var(--aqua-soft);border-radius:17px 17px 17px 5px;width:fit-content;max-width:min(86%,530px);padding:11px 14px;box-shadow:0 4px 12px #265b610f}.messageBubble.student{background:#edf0fb;border-radius:17px 17px 5px;margin-left:auto}.messageBubble>span{color:var(--aqua-dark);font-size:11px;font-weight:900}.messageBubble.student>span{color:#58699b}.messageBubble p{color:var(--ink);white-space:pre-wrap;margin:3px 0 0;line-height:1.5}.messageBubble.isThinking p{gap:4px;min-width:42px;display:flex}.messageBubble.isThinking i{background:var(--aqua);border-radius:50%;width:7px;height:7px;animation:.85s ease-in-out infinite alternate thinking;display:block}.messageBubble.isThinking i:nth-child(2){animation-delay:.16s}.messageBubble.isThinking i:nth-child(3){animation-delay:.32s}@keyframes thinking{to{opacity:.55;transform:translateY(-4px)}}.centerStatus{color:#315866;text-align:center;min-height:23px;margin:-4px 0 0;font-weight:700;line-height:1.4}.buttonRow{gap:9px;display:flex}.buttonRow>*{flex:1 1 0}.retentionChoice{align-items:flex-start;font-size:14px}.mentorReply{background:var(--aqua-soft);border-radius:16px;padding:16px}.mentorReply h3{margin:0 0 7px;font-size:16px}.mentorReply p{color:#315866;margin:0;line-height:1.55}.loadingCard{text-align:center;background:#f7fbfa;border-radius:17px;align-content:center;place-items:center;gap:12px;min-height:180px;display:grid}.loadingCard p{color:var(--muted);margin:0}.loader{border:4px solid #cce2e1;border-top-color:var(--aqua-dark);border-radius:50%;width:30px;height:30px;animation:.8s linear infinite loading}@keyframes loading{to{transform:rotate(360deg)}}.learningFlow{gap:16px;display:grid}.subjectSection{gap:14px;display:grid}.sectionHeading{justify-content:space-between;align-items:end;gap:12px;display:flex}.sectionHeading h3{margin:0;font-size:21px}.sectionHeading>span{color:var(--muted);font-size:12px;font-weight:800}.subjectGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.subjectGrid button{border:1px solid var(--line);min-width:0;min-height:70px;color:var(--ink);cursor:pointer;text-align:left;background:#fff;border-radius:15px;align-items:center;gap:9px;padding:10px;transition:border-color .14s,background .14s,transform .14s;display:flex}.subjectGrid button:hover{border-color:var(--aqua);transform:translateY(-1px)}.subjectGrid button.isSelected{border:2px solid var(--aqua-dark);background:var(--aqua-soft)}.subjectGrid button>span{width:37px;height:37px;color:var(--aqua-dark);background:#eef6f5;border-radius:12px;flex:0 0 37px;place-items:center;font-size:13px;font-weight:900;display:grid}.subjectGrid button:nth-child(4n+2)>span{background:var(--warm-soft);color:#9a5736}.subjectGrid button:nth-child(4n+3)>span{background:var(--violet-soft);color:#5f6594}.subjectGrid strong{overflow-wrap:anywhere;min-width:0;font-size:13px;line-height:1.3}.topicPreview{background:linear-gradient(130deg,#e8f6f3,#fff5e9);border-radius:18px;gap:14px;padding:16px;display:grid;box-shadow:0 8px 22px #29636614}.topicPreview h3{margin:0;font-size:20px}.topicPreview p:not(.eyebrow){color:var(--muted);margin:5px 0 0;line-height:1.45}.selectionPrompt{color:var(--muted);text-align:center;margin:0}.inlineError{color:#724732;text-align:center;background:#fff2ea;border-radius:16px;padding:18px}.inlineError p{margin:0 0 12px}.taskContext{justify-content:space-between;align-items:center;gap:10px;display:flex}.taskContext>span{color:var(--muted);font-size:13px;font-weight:800}.taskContext .textButton{border:0;padding-inline:4px}.taskCard{border:1px solid var(--line);background:#f9fcfb;border-radius:18px;padding:18px}.taskMeta{flex-wrap:wrap;gap:7px;margin-bottom:14px;display:flex}.taskMeta span{background:var(--aqua-soft);color:var(--aqua-dark);border-radius:999px;padding:6px 9px;font-size:11px;font-weight:900}.taskMeta span+span{background:var(--warm-soft);color:#8a5237}.taskCard h3{color:var(--ink);margin:0;font-size:clamp(21px,5.5vw,28px);line-height:1.3}.taskCard h3.skillTitle{margin:0 0 9px;font-size:18px}.taskCard>p:not(.eyebrow){color:#3d5b61;line-height:1.5}.taskCard .workedExample{background:#eef6f4;border-radius:12px;padding:12px 13px}.taskCard .workedExample strong{color:var(--aqua-dark);margin-bottom:4px;font-size:12px;display:block}.focusCard{background:linear-gradient(135deg,#f0f9f7,#fffaf1);border:1px solid #cbdede;border-radius:18px;gap:13px;padding:18px;display:grid}.focusCard p{color:#45636a;margin:0;line-height:1.48}.focusHeading{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.focusHeading h3{margin:0;font-size:20px}.focusClock{min-width:78px;color:var(--aqua-dark);font-variant-numeric:tabular-nums;text-align:center;background:#fff;border-radius:13px;padding:9px 11px;font-size:20px;font-weight:900;box-shadow:0 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var(--ink);outline-offset:3px}.resultCard{border-radius:17px;padding:17px}.resultCard.correct{color:#24583a;background:#e7f5ec}.resultCard.practice{color:#71462c;background:#fff2e9}.resultCard.complete{color:#3f4e79;background:#eef0fb}.resultCard h3{margin:0 0 12px}.resultCard dl{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin:0;display:grid}.resultCard dl div{text-align:center;background:#fff9;border-radius:10px;padding:9px 6px}.resultCard dt{text-transform:uppercase;font-size:11px;font-weight:800}.resultCard dd{margin:4px 0 0;font-size:12px;font-weight:700}.resultCard p{line-height:1.45}.resultActions{gap:8px;display:grid}@media (min-width:680px){.shell{padding:28px}.appHeader{padding:15px 25px}.hero{grid-template-columns:.92fr 1.08fr;min-height:330px}.heroCopy{padding-left:35px}.speechBubble{padding:23px}.heroVisual img{width:min(420px,104%);bottom:-39px;right:-65px}.homeIntro{padding:28px 28px 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