:root{--navy:#10245a;--blue:#2f72f5;--purple:#6c45e8;--ink:#16224a;--muted:#66718a;--line:#e6eaf3;--bg:#f6f8fc;--pink:#ed3c87;--teal:#1ca6a3}
.ee-app{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);max-width:1440px;margin:0 auto;border-radius:20px;overflow:hidden;box-shadow:0 18px 60px rgba(25,35,75,.08)}.ee-nav{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 24px;gap:30px;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;min-width:230px}.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#153a92,#2f72f5);color:#fff;display:grid;place-items:center;font-weight:900}.brand strong,.brand span{display:block}.brand strong{font-size:14px}.brand span{font-size:16px;color:#2670ed;font-weight:800}.ee-nav nav{display:flex;gap:24px;flex:1}.ee-nav nav a{color:#24345e;text-decoration:none;font-size:13px}.nav-user{font-size:13px;color:#5e6a82}.ee-layout{display:grid;grid-template-columns:230px 1fr}.ee-sidebar{background:#fff;border-right:1px solid var(--line);padding:22px 14px;min-height:calc(100vh - 72px);position:sticky;top:72px;align-self:start}.side-link{width:100%;border:0;background:transparent;color:#25345c;text-align:left;padding:11px 13px;border-radius:10px;margin:2px 0;cursor:pointer;font-size:14px;display:flex;gap:12px;align-items:center}.side-link.active{background:#edf3ff;color:#2368ee;font-weight:800}.side-link span{font-size:13px}.side-tip{margin-top:22px;background:#e9f8ef;border-radius:14px;padding:16px;color:#187449}.side-tip b,.side-tip span{display:block}.side-tip span{font-size:12px;margin-top:5px}.ee-main-wrap{min-width:0;padding:18px 22px 40px}.hero-modern{background:linear-gradient(120deg,#eef5ff 0%,#f1efff 100%);border-radius:24px;min-height:300px;display:grid;grid-template-columns:1.2fr .8fr;overflow:hidden;position:relative}.hero-copy{padding:38px 38px 26px}.eyebrow{font-size:11px;font-weight:900;color:#2f72f5;letter-spacing:1.4px}.hero-copy h1{font-size:42px;line-height:1.08;margin:10px 0;color:#102052}.hero-copy h1 em{font-style:normal;color:#2f72f5}.hero-copy p{font-size:16px;color:#4f5c77;max-width:620px;line-height:1.55}.hero-actions{display:flex;gap:12px;margin:22px 0}.hero-btn,.purple-btn,.blue-btn{border:0;color:#fff;border-radius:12px;padding:12px 18px;font-weight:800;cursor:pointer}.hero-btn{background:linear-gradient(135deg,#2f72f5,#6c45e8)}.hero-link{border:0;background:transparent;color:#294aa4;font-weight:800;cursor:pointer}.hero-icons{display:flex;gap:18px;flex-wrap:wrap;font-size:12px;font-weight:800;color:#405075}.hero-art{position:relative;display:flex;justify-content:center;align-items:end}.hero-person{width:250px;height:250px;border-radius:50% 50% 18% 18%;display:grid;place-items:center;color:#fff;font-size:30px;font-weight:900;letter-spacing:2px;margin-bottom:-35px;box-shadow:0 20px 40px rgba(65,77,145,.18)}.female-person{background:radial-gradient(circle at 50% 25%,#ffd5e7 0 20%,#ed3c87 21% 58%,#6c45e8 59%)}.speech-note{position:absolute;font-family:cursive;color:#2f45a1;font-size:18px;line-height:1.1;font-style:italic}.note1{left:5%;top:35px;transform:rotate(-7deg)}.note2{right:5%;top:24px;transform:rotate(-8deg)}.content-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;margin-top:18px;box-shadow:0 8px 28px rgba(20,30,70,.04)}.section-title{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.section-title h2{margin:0 0 5px;font-size:24px}.section-title p{margin:0;color:var(--muted);font-size:13px}.live-pill{font-size:10px;color:#14a273;background:#e9faf3;border-radius:999px;padding:7px 10px;font-weight:900}.teacher-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}.big-teacher{border:1px solid var(--line);background:#fff;border-radius:18px;padding:14px;display:grid;grid-template-columns:140px 1fr;gap:16px;text-align:left;cursor:pointer;transition:.2s}.big-teacher:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(30,50,100,.08)}.big-teacher.selected{border:2px solid #3d74ee;box-shadow:0 12px 34px rgba(47,114,245,.12)}.big-avatar{min-height:220px;border-radius:14px;display:grid;place-items:center;color:#fff;font-size:58px;font-weight:900}.female-avatar{background:linear-gradient(145deg,#ff7bb6,#9c54ed)}.male-avatar{background:linear-gradient(145deg,#4b9dfb,#2148a8)}.bt-name{font-size:23px;font-weight:900}.bt-name span{display:inline-block;margin-left:7px;background:#f2d9ff;color:#c02688;border-radius:999px;padding:4px 8px;font-size:10px}.big-teacher:nth-child(2) .bt-name span{background:#dceaff;color:#2563eb}.bt-copy ul{padding-left:18px;line-height:1.9;color:#55617a;font-size:12px}.bt-copy strong{display:block;background:linear-gradient(135deg,#ed3c87,#c52a77);color:#fff;border-radius:999px;text-align:center;padding:11px;font-size:13px}.big-teacher:nth-child(2) .bt-copy strong{background:linear-gradient(135deg,#2f72f5,#1f58d7)}.bt-copy small{display:block;text-align:center;margin-top:9px;color:#63708a;font-style:italic}.purple-btn{background:linear-gradient(135deg,#6c45e8,#7d5af2)}.levels-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:18px}.level-card{border:1px solid var(--line);border-radius:15px;padding:16px;text-align:left;cursor:pointer;min-height:170px}.level-card:nth-child(1){background:#e9f9ee}.level-card:nth-child(2){background:#e8f3ff}.level-card:nth-child(3){background:#fff7d8}.level-card:nth-child(4){background:#f0eaff}.level-card:nth-child(5){background:#ffe9f1}.level-card.chosen{outline:3px solid #2f72f5}.level-card b{display:block;font-size:24px}.level-card strong{display:block;margin-top:3px}.level-card p{font-size:11px;line-height:1.45;color:#59647a;min-height:48px}.level-card span{display:inline-block;border:1px solid rgba(0,0,0,.12);border-radius:999px;padding:6px 12px;font-weight:800;font-size:11px}.today-grid{display:grid;grid-template-columns:1.5fr .7fr;gap:16px;margin-top:18px}.teacher-message{background:linear-gradient(120deg,#fff0f7,#f4ecff);border-radius:16px;padding:20px;display:flex;gap:16px}.message-avatar{width:58px;height:58px;border-radius:15px;display:grid;place-items:center;color:#fff;font-weight:900;font-size:25px;flex:0 0 auto}.teacher-message b span{color:#6a7184;font-size:12px;font-weight:600}.quote{background:#fff;border-radius:14px;padding:14px;margin-top:10px;font-size:14px;line-height:1.5}.message-tools button{border:0;background:transparent;color:#4d5b77;font-size:12px;font-weight:800;margin-top:8px;cursor:pointer}.speak-goal{border:1px solid var(--line);border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:18px;text-align:center}.mic-ring{width:76px;height:76px;border-radius:50%;background:#ffd7ea;color:#ed3c87;display:grid;place-items:center;font-size:32px;margin-bottom:10px}.speak-goal b{font-size:15px}.speak-goal span{color:#69748b;font-size:12px;margin:4px 0 14px}.blue-btn{background:linear-gradient(135deg,#2f72f5,#2460db)}.feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}.feature-row>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px}.feature-row b,.feature-row span{display:block}.feature-row b{font-size:13px}.feature-row span{font-size:11px;color:#6c768b;margin-top:7px;line-height:1.4}.interactive-course{scroll-margin-top:90px}.lesson-progress{min-width:150px}.lesson-progress span{font-size:12px;font-weight:800;display:block;text-align:right}.lesson-progress>div{height:8px;background:#e9edf5;border-radius:99px;margin-top:6px;overflow:hidden}.lesson-progress i{display:block;height:100%;width:20%;background:linear-gradient(90deg,#2f72f5,#6c45e8);border-radius:99px}.stepper{display:grid;grid-template-columns:repeat(5,1fr);margin:24px 0 12px}.step{border:0;background:transparent;display:flex;align-items:center;justify-content:center;gap:8px;color:#8a94a8;font-weight:800;cursor:pointer}.step i{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#eef1f7;font-style:normal}.step.active{color:#2f72f5}.step.active i{background:#2f72f5;color:#fff}.lesson-stage{min-height:300px}.hidden{display:none!important}.mini-lesson{background:#f8faff;border-radius:18px;padding:26px;max-width:760px}.lesson-tag{font-size:10px;font-weight:900;letter-spacing:1px;color:#6c45e8}.mini-lesson h3,.feedback-stage h3,.challenge-stage h3{font-size:25px;margin:8px 0}.formula{background:#fff;border:1px dashed #cfd7e7;padding:16px;border-radius:13px;font-size:18px;color:#294a9d;margin:15px 0}.example{background:#eaf7ef;border-radius:12px;padding:13px;font-size:13px;color:#3c5c48;margin-bottom:18px}.listen-box{display:flex;align-items:center;gap:15px;background:#fff;border:1px solid var(--line);padding:18px;border-radius:14px;margin-top:18px}.play-circle{width:50px;height:50px;border-radius:50%;background:#2f72f5;color:#fff;display:grid;place-items:center;cursor:pointer}.listen-box p{margin:4px 0;color:#59657b}.hint{font-size:13px;color:#66718a}.speak-stage{display:grid;grid-template-columns:.8fr 1.2fr;gap:16px}.teacher-bubble{background:#edf4ff;border-radius:16px;padding:20px;display:flex;gap:12px;height:max-content}.teacher-bubble p{font-size:13px;line-height:1.5;margin-bottom:0}.record-panel{border:1px solid var(--line);border-radius:16px;padding:22px;text-align:center}.big-mic{width:92px;height:92px;border-radius:50%;border:0;background:#ffdbea;color:#ed3c87;font-size:38px;cursor:pointer;display:block;margin:0 auto 10px}.record-panel>b,.record-panel>span{display:block}.record-panel>span{font-size:12px;color:#7a8498;margin:4px 0 14px}.record-panel textarea{width:100%;box-sizing:border-box;border:1px solid #dfe4ee;border-radius:12px;padding:12px;min-height:100px}.record-panel .blue-btn{margin-top:10px}.feedback-stage{max-width:800px;margin:auto;text-align:center}.score-circle{width:82px;height:82px;border-radius:50%;display:grid;place-items:center;margin:12px auto;background:#eaf8f1;color:#159669;font-size:27px;font-weight:900;border:8px solid #c7f1df}.feedback-columns{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:left}.feedback-columns>div{background:#f8fafc;padding:15px;border-radius:12px}.feedback-columns p{font-size:12px;color:#66718a;line-height:1.5}.better-box{background:#edf4ff;text-align:left;padding:15px;border-radius:13px;margin:12px 0}.better-box p{margin-bottom:0;font-size:13px}.challenge-stage{text-align:center;max-width:700px;margin:auto}.timer{font-size:52px;font-weight:900;color:#2f72f5;margin:15px}.outline-btn{background:#fff;border:1px solid #cfd6e5;border-radius:12px;padding:12px 18px;font-weight:800;margin-left:8px;cursor:pointer}.learning-tools{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}.tool-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.tool-card>span{font-size:25px}.tool-card h3{font-size:16px;margin:8px 0}.tool-card p{font-size:12px;color:#68738a;line-height:1.5;min-height:50px}.tool-card button{border:0;background:#eef3ff;color:#285bd1;padding:9px 12px;border-radius:9px;font-weight:800;cursor:pointer}.challenge-section{scroll-margin-top:90px}.challenge-days{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-top:18px}.challenge-day{border:1px solid var(--line);background:#fff;border-radius:12px;padding:11px;text-align:left;cursor:pointer}.challenge-day.current{border-color:#2f72f5;background:#edf4ff}.challenge-day b{display:block;color:#2f72f5}.challenge-day span{display:block;font-size:10px;color:#67728a;margin-top:3px}.streak{display:flex;align-items:center;gap:8px;background:#fff5e7;border-radius:12px;padding:9px 13px}.streak b{font-size:22px;color:#ef8b19}.streak span{font-size:11px;color:#7c6a4d}.progress-banner{margin-top:18px;background:linear-gradient(120deg,#2f72f5,#6c45e8);border-radius:18px;color:#fff;padding:24px;display:flex;justify-content:space-between;align-items:center}.progress-banner span{font-size:10px;letter-spacing:1px;font-weight:900;opacity:.8}.progress-banner h2{margin:5px 0}.progress-banner p{margin:0;opacity:.85;font-size:13px}.stats{display:flex;gap:12px}.stats div{background:rgba(255,255,255,.14);padding:12px 17px;border-radius:12px;text-align:center}.stats b,.stats span{display:block}.stats b{font-size:22px}.stats span{font-size:10px;margin-top:3px}.ee-app footer{text-align:center;padding:26px;color:#7a8498;font-size:12px}
@media(max-width:1100px){.ee-nav nav{display:none}.levels-grid{grid-template-columns:repeat(3,1fr)}.learning-tools,.feature-row{grid-template-columns:repeat(2,1fr)}}@media(max-width:850px){.ee-layout{grid-template-columns:1fr}.ee-sidebar{position:static;min-height:auto;display:flex;overflow:auto;gap:5px;border-right:0;border-bottom:1px solid var(--line);padding:10px}.side-link{white-space:nowrap;width:auto}.side-link span{display:none}.side-tip{display:none}.hero-modern{grid-template-columns:1fr}.hero-art{display:none}.teacher-grid,.today-grid,.speak-stage{grid-template-columns:1fr}.big-teacher{grid-template-columns:110px 1fr}.big-avatar{min-height:190px}.progress-banner{flex-direction:column;align-items:flex-start;gap:16px}.stats{width:100%;justify-content:space-between}}@media(max-width:600px){.ee-nav{padding:0 12px}.brand{min-width:0}.brand strong{font-size:11px}.brand span{font-size:13px}.nav-user span{display:none}.ee-main-wrap{padding:12px}.hero-copy{padding:25px 22px}.hero-copy h1{font-size:32px}.levels-grid,.learning-tools,.feature-row,.feedback-columns{grid-template-columns:1fr}.section-title{flex-direction:column}.teacher-grid{grid-template-columns:1fr}.big-teacher{grid-template-columns:90px 1fr}.big-avatar{min-height:170px}.stepper{overflow:auto;display:flex;justify-content:space-between}.step{flex-direction:column;font-size:10px}.challenge-days{grid-template-columns:repeat(3,1fr)}.stats{gap:6px}.stats div{flex:1;padding:10px 5px}.stats b{font-size:18px}}
/* V7 progressive 100-lesson curriculum */
.curriculum-browser{scroll-margin-top:90px}.course-badge{background:linear-gradient(135deg,#2f72f5,#6c45e8);color:#fff;padding:9px 13px;border-radius:999px;font-size:10px;font-weight:900;letter-spacing:.5px;white-space:nowrap}.curriculum-summary{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.curriculum-summary span{background:#f6f8fc;border:1px solid #e5e9f1;border-radius:999px;padding:7px 10px;font-size:11px;color:#55617a}.curriculum-summary b{color:#243b78}.curriculum-level{border:1px solid #e2e7f0;border-radius:15px;background:#fff;margin:9px 0;overflow:hidden}.curriculum-level.open{box-shadow:0 8px 22px rgba(31,55,100,.06)}.curriculum-head{width:100%;border:0;background:#fff;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;text-align:left;cursor:pointer;font-size:14px}.curriculum-head b{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#eef3ff;color:#285bd1;margin-right:9px}.curriculum-head small{color:#7a8498;font-size:11px}.curriculum-lessons{display:none;padding:0 10px 10px;grid-template-columns:1fr 1fr;gap:7px}.curriculum-level.open .curriculum-lessons{display:grid}.curriculum-lesson{display:flex;align-items:center;gap:10px;border:1px solid #e8ebf2;background:#fbfcfe;border-radius:11px;padding:9px;text-align:left;cursor:pointer;min-height:58px}.curriculum-lesson:hover{border-color:#b9cdfb;background:#f5f8ff}.curriculum-lesson.current{border:2px solid #2f72f5;background:#edf4ff}.curriculum-lesson.done{background:#effaf4}.lesson-num{width:28px;height:28px;border-radius:50%;background:#eef1f7;display:grid;place-items:center;font-weight:900;color:#657089;flex:0 0 auto;font-size:11px}.curriculum-lesson.done .lesson-num{background:#d9f5e6;color:#148457}.curriculum-lesson.current .lesson-num{background:#2f72f5;color:#fff}.curriculum-lesson b{display:block;font-size:11px;color:#1d2942}.curriculum-lesson small{display:block;color:#788398;font-size:9px;margin-top:3px;line-height:1.35}.lesson-meta{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:9px}.lesson-meta span{font-size:9px;font-weight:900;color:#4c5e88;background:#edf3ff;border-radius:999px;padding:5px 8px}.lesson-meta span:nth-child(2){background:#f4efff;color:#6b45c8}.lesson-meta span:nth-child(3){background:#eefaf4;color:#23815b}.mini-lesson>p{font-size:13px;color:#59657b;line-height:1.55}.mini-lesson h3{margin-top:4px}.example b{color:#263c70}.record-panel #lessonStatus{font-size:11px;color:#657089;margin-top:9px;line-height:1.4}.course-badge + *{margin-top:0}@media(max-width:700px){.curriculum-lessons{grid-template-columns:1fr}.curriculum-head{align-items:flex-start;gap:10px}.curriculum-head small{max-width:100px;text-align:right}}
/* V7 progressive 100-lesson curriculum */
.curriculum-browser{scroll-margin-top:90px}.course-badge{background:linear-gradient(135deg,#2f72f5,#6c45e8);color:#fff;padding:9px 13px;border-radius:999px;font-size:10px;font-weight:900;letter-spacing:.5px;white-space:nowrap}.curriculum-summary{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.curriculum-summary span{background:#f6f8fc;border:1px solid #e5e9f1;border-radius:999px;padding:7px 10px;font-size:11px;color:#55617a}.curriculum-summary b{color:#243b78}.curriculum-level{border:1px solid #e2e7f0;border-radius:15px;background:#fff;margin:9px 0;overflow:hidden}.curriculum-level.open{box-shadow:0 8px 22px rgba(31,55,100,.06)}.curriculum-head{width:100%;border:0;background:#fff;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;text-align:left;cursor:pointer;font-size:14px}.curriculum-head b{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#eef3ff;color:#285bd1;margin-right:9px}.curriculum-head small{color:#7a8498;font-size:11px}.curriculum-lessons{display:none;padding:0 10px 10px;grid-template-columns:1fr 1fr;gap:7px}.curriculum-level.open .curriculum-lessons{display:grid}.curriculum-lesson{display:flex;align-items:center;gap:10px;border:1px solid #e8ebf2;background:#fbfcfe;border-radius:11px;padding:9px;text-align:left;cursor:pointer;min-height:58px}.curriculum-lesson:hover{border-color:#b9cdfb;background:#f5f8ff}.curriculum-lesson.current{border:2px solid #2f72f5;background:#edf4ff}.curriculum-lesson.done{background:#effaf4}.lesson-num{width:28px;height:28px;border-radius:50%;background:#eef1f7;display:grid;place-items:center;font-weight:900;color:#657089;flex:0 0 auto;font-size:11px}.curriculum-lesson.done .lesson-num{background:#d9f5e6;color:#148457}.curriculum-lesson.current .lesson-num{background:#2f72f5;color:#fff}.curriculum-lesson b{display:block;font-size:11px;color:#1d2942}.curriculum-lesson small{display:block;color:#788398;font-size:9px;margin-top:3px;line-height:1.35}.lesson-meta{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:9px}.lesson-meta span{font-size:9px;font-weight:900;color:#4c5e88;background:#edf3ff;border-radius:999px;padding:5px 8px}.lesson-meta span:nth-child(2){background:#f4efff;color:#6b45c8}.lesson-meta span:nth-child(3){background:#eefaf4;color:#23815b}.mini-lesson>p{font-size:13px;color:#59657b;line-height:1.55}.record-panel #lessonStatus{font-size:11px;color:#657089;margin-top:9px;line-height:1.4}@media(max-width:700px){.curriculum-lessons{grid-template-columns:1fr}.curriculum-head{align-items:flex-start;gap:10px}.curriculum-head small{max-width:100px;text-align:right}}
/* V8 teacher-led classroom */
.teacher-welcome-row{display:flex;gap:14px;align-items:flex-start;background:linear-gradient(135deg,#eef5ff,#f8f3ff);border:1px solid #dfe7fb;border-radius:16px;padding:16px;margin:14px 0}.teacher-welcome-row p{margin:5px 0 0;color:#59657b;font-size:13px;line-height:1.55}.teacher-plan{display:flex;flex-wrap:wrap;gap:7px;align-items:center;background:#fff;border:1px solid #e4e9f2;border-radius:13px;padding:12px;margin:15px 0;color:#536078;font-size:11px;font-weight:800}.teacher-plan span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#edf3ff;color:#2f72f5}.teacher-coach-bubble{box-shadow:0 8px 24px rgba(47,114,245,.08)}.teacher-script{margin-top:9px;background:#fff;border-radius:10px;padding:9px;font-size:11px;color:#58657d}.sentence-frame{margin-top:12px;padding:13px;border:1px dashed #c6d4f4;border-radius:13px;background:#f7faff}.sentence-frame b,.sentence-frame span{display:block}.sentence-frame b{font-size:10px;color:#6c45e8;text-transform:uppercase;letter-spacing:.6px}.sentence-frame span{font-size:14px;color:#223a75;margin-top:5px;line-height:1.5}.teacher-hint-btn{margin-top:10px}.hint-response{margin-top:10px;background:#fff9e8;border:1px solid #f4df9b;border-radius:12px;padding:11px;font-size:12px;color:#6a5620;line-height:1.5;min-height:18px}.hint-response span{color:#806c35}.teacher-feedback-head,.teacher-challenge-card{display:flex;gap:12px;align-items:center;max-width:760px;margin:0 auto 8px;background:#f7f9ff;border:1px solid #e4e9f3;border-radius:14px;padding:12px;text-align:left}.teacher-feedback-head p,.teacher-challenge-card p{margin:3px 0 0;color:#6b758a;font-size:12px}.useful-phrase{display:flex;gap:10px;align-items:center;background:#fff6dc;border-radius:12px;padding:12px;text-align:left}.useful-phrase b{color:#8b6513;font-size:11px}.useful-phrase span{font-weight:800;color:#5f4b19}.teacher-next{display:flex;gap:8px;flex-direction:column;text-align:left;background:#edf7f2;border-radius:12px;padding:12px;margin-top:10px}.teacher-next b{font-size:10px;color:#16805b;text-transform:uppercase}.teacher-next span{font-size:13px;color:#2f5546}.feedback-actions{display:flex;justify-content:center;gap:8px;margin-top:14px}.challenge-controls{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.challenge-feedback{margin:18px auto 0;max-width:650px;text-align:left;background:#eef7ff;border:1px solid #d3e3fb;border-radius:14px;padding:15px;line-height:1.55;font-size:13px}.challenge-score{display:inline-block;margin:8px 0;padding:6px 10px;background:#fff;border-radius:999px;font-weight:900;color:#275fd4}.message-avatar.female{background:linear-gradient(145deg,#ff7bb6,#9c54ed)}.message-avatar.male{background:linear-gradient(145deg,#4b9dfb,#2148a8)}
@media(max-width:600px){.teacher-welcome-row{flex-direction:column}.teacher-plan{line-height:1.8}.feedback-actions{flex-direction:column}.feedback-actions button{width:100%;margin-left:0}.teacher-feedback-head,.teacher-challenge-card{align-items:flex-start}}