:root{--paper:#f7f6f0;--ink:#253f34;--muted:#6d796e;--green:#245c49;--lime:#e4edcf;--orange:#d88e56;--border:#e2e6da;--white:#fff;--radius:24px}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Noto Sans KR',sans-serif;font-size:16px;line-height:1.6}button,input,textarea,select{font:inherit}button{cursor:pointer;touch-action:manipulation}button:disabled{cursor:default;opacity:.55}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--orange);outline-offset:3px}button{min-height:48px;border:0;background:transparent;color:inherit;border-radius:12px;padding:10px 18px}h1,h2,h3,p{margin:0}h1{font-size:40px;line-height:1.35;letter-spacing:-1.7px}h2{font-size:23px;line-height:1.4;letter-spacing:-.6px}h3{font-size:18px}p{margin-top:10px}.shell{display:grid;grid-template-columns:224px 1fr;min-height:100vh}.sidebar{padding:34px 24px;border-right:1px solid var(--border);background:#eef1e7;display:flex;flex-direction:column;gap:26px;position:sticky;top:0;height:100vh}.brand{font-size:23px;font-weight:800;letter-spacing:-1px}.brand span{display:block;font-size:11px;letter-spacing:2px;margin-left:31px;margin-top:2px;color:var(--muted)}.sidebar nav{display:grid;gap:8px}.nav{display:flex;gap:12px;align-items:center;text-align:left;font-weight:600;color:#758273}.nav.active{background:var(--green);color:white}.nav .ico{font-size:20px;width:22px;text-align:center}.side-note{margin-top:auto;border-top:1px solid #d3dbc9;padding-top:20px;font-size:12px;color:var(--muted)}.side-note b{display:block;color:var(--green);font-size:14px;margin-bottom:6px}.main{padding:28px 42px 60px;max-width:1300px;width:100%;margin:auto}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;gap:12px}.eyebrow{font-size:12px;letter-spacing:1.8px;font-weight:700;color:#7d896e}.chip{display:inline-flex;gap:7px;align-items:center;font-size:12px;padding:7px 12px;background:#e8eddf;border-radius:100px}.dot{width:6px;height:6px;border-radius:50%;background:#759e64}.hero{display:grid;grid-template-columns:1.5fr 1fr;background:var(--green);border-radius:30px;color:#f4f5e9;padding:36px;min-height:250px;overflow:hidden;position:relative}.hero p{max-width:420px;color:#d0dfce}.hero .eyebrow{color:#c6dab7}.hero h1{margin-top:13px}.hero-art{position:relative;display:flex;align-items:center;justify-content:center}.orbit{width:180px;height:180px;border:1px solid #91af8560;border-radius:50%;display:grid;place-items:center;position:relative}.orbit:before{content:'';position:absolute;inset:18px;border:1px dashed #91af8540;border-radius:50%}.sprout{font-size:83px;filter:grayscale(.15)}.orbit i{position:absolute;font-style:normal;background:#e8edce;color:var(--green);border-radius:15px;box-shadow:0 8px 15px #123b3320;width:55px;height:55px;display:grid;place-items:center;font-size:22px;transform:rotate(-8deg)}.orbit i:nth-child(2){top:0;left:-9px}.orbit i:nth-child(3){right:-23px;top:60px;transform:rotate(8deg)}.orbit i:nth-child(4){bottom:-9px;left:28px;background:#f1c6a1;transform:rotate(4deg)}.hero small{position:absolute;bottom:16px;right:26px;letter-spacing:2px;color:#bfd1b6;font-size:10px}.controls{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:24px 0}.panel{background:white;border:1px solid var(--border);border-radius:var(--radius);padding:24px}.muted{color:var(--muted);font-size:14px}.segments{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}.segments button{border:1px solid var(--border);background:#fafbf6;font-size:14px}.segments button.selected{border-color:var(--green);background:#eaf0df;color:var(--green);font-weight:700}.section-head{display:flex;align-items:center;justify-content:space-between;margin:30px 0 16px;gap:12px}.tag{display:inline-block;border-radius:7px;background:#eef1e6;color:#667950;padding:4px 9px;font-size:11px;font-weight:700}.task-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.task-card{border:1px solid var(--border);border-radius:var(--radius);background:white;padding:25px;display:flex;flex-direction:column;gap:10px}.task-top{display:flex;align-items:center;justify-content:space-between}.task-icon{height:48px;width:48px;background:var(--lime);border-radius:14px;display:grid;place-items:center;font-size:23px}.task-card h3{font-size:21px}.task-card .primary{margin-top:9px;align-self:flex-start}.primary{background:var(--green);color:white;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:16px}.secondary{background:#edf1e6;color:var(--green);border:1px solid var(--border)}.text-btn{color:var(--green);font-weight:600;font-size:14px;padding:5px 10px}.footer-card{display:flex;gap:18px;align-items:flex-start;background:#ecefe4;border-radius:18px;padding:20px;margin-top:24px}.footer-card .symbol{font-size:26px}.footer-card p{margin-top:3px;font-size:14px}.page-heading{margin-bottom:25px}.page-heading h1{font-size:32px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.cards .panel{padding:22px}.cards p{font-size:14px;color:var(--muted)}.line{display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--border);padding:15px 0}.line:last-child{border:0}.line p{margin:3px 0;font-size:14px;color:var(--muted)}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:22px 0}.metric{padding:22px;background:white;border:1px solid var(--border);border-radius:20px}.metric strong{display:block;font-size:29px}.metric span{font-size:13px;color:var(--muted)}.empty{padding:32px;text-align:center;background:white;border:1px dashed #d3ddc6;border-radius:22px}.empty p{color:var(--muted)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}label{display:block;font-size:14px;font-weight:600;margin:15px 0 7px}input,select,textarea{width:100%;border:1px solid #cbd6c4;border-radius:12px;background:#fcfdf9;padding:12px 14px;color:var(--ink);min-height:48px}textarea{resize:vertical;min-height:105px}input[type=checkbox]{width:20px;min-height:20px;accent-color:var(--green)}.check{display:flex;gap:10px;align-items:center;font-weight:400}.inline-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}.warning{background:#fff1e2;border:1px solid #f3d9b9;padding:15px 20px;border-radius:14px;color:#78532e;margin:15px 0;font-size:14px}.success{background:#e8f0df;padding:15px 20px;border-radius:14px;margin:15px 0;color:var(--green)}.lesson-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}.lesson-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.timer{font-variant-numeric:tabular-nums;font-size:14px;display:flex;gap:8px;align-items:center}.timer button{font-size:12px;min-height:36px;padding:5px 9px}.reading-paper{background:#fffdf7;border:1px solid var(--border);border-radius:24px;padding:28px;position:sticky;top:20px}.reading-paper h2{margin:12px 0 20px}.paragraph{display:flex;align-items:flex-start;gap:12px;margin-top:17px;font-size:18px;line-height:1.9}.paragraph .num{font-size:11px;min-width:20px;height:20px;text-align:center;background:#e9edde;border-radius:50%;line-height:20px;margin-top:6px}.step-dots{display:flex;gap:5px;margin-bottom:24px}.step-dots span{height:5px;background:#e5e9de;flex:1;border-radius:4px}.step-dots span.on{background:#578565}.question h2{margin:10px 0}.question .instruction{font-size:18px;margin-bottom:20px}.options{display:grid;gap:10px}.option{text-align:left;border:1px solid var(--border);background:#fafbf5;line-height:1.7}.option.selected{border:2px solid var(--green);background:#edf3e2}.hint{background:#fff3e5;padding:14px 16px;border-radius:12px;margin:12px 0;font-size:14px}.answer-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.feedback{border-top:1px solid var(--border);margin-top:22px;padding-top:18px}.attempt{padding:12px;background:#f5f7ef;border-radius:12px;margin-top:10px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px}.attempt b{font-size:12px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.report-table{width:100%;border-collapse:collapse;font-size:14px}.report-table th,.report-table td{text-align:left;padding:12px 8px;border-bottom:1px solid var(--border)}.scroll-table{overflow-x:auto}.pill{font-size:12px;border:1px solid var(--border);padding:4px 8px;border-radius:20px;white-space:nowrap}.pill.independent{background:#e7efda}.pill.hint{background:#fff0dc}.pill.parent{background:#eee9f5}details{border-top:1px solid var(--border);padding:12px 0}summary{cursor:pointer;font-weight:600;min-height:40px}#notice{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#233d31;color:white;padding:12px 22px;border-radius:13px;max-width:90vw;z-index:5;box-shadow:0 8px 30px #0002;display:none}#notice.show{display:block}.small{font-size:12px;color:var(--muted)}.error-banner{background:#fff0e7;color:#8f3926;padding:16px;border:1px solid #eabcb0;border-radius:12px;margin:12px 0}.review-control{display:flex;gap:8px;align-items:center;margin-top:12px}.review-control select{width:auto;flex:1}.review-control button{font-size:13px}.history-card{margin-bottom:15px}.badge-count{color:var(--orange);font-size:13px;font-weight:700}
.schedule-today{margin-top:24px}.schedule-row{display:grid;grid-template-columns:142px 1fr;align-items:start;gap:15px;padding:14px 0;border-bottom:1px solid var(--border)}.schedule-row:last-of-type{border-bottom:0}.schedule-time{font-variant-numeric:tabular-nums;font-size:13px;background:#f0f3e9;border-radius:9px;padding:7px 9px}.schedule-row .small{display:block;margin-top:4px}.availability{margin-top:20px;background:#f0f4e8}.week-inputs{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px}.week-inputs input{padding:10px 8px}.day-picker{gap:6px}.day-picker button{padding:10px 14px}.pill.example{background:#eee9f5}
@media(max-width:1050px){.week-inputs{grid-template-columns:repeat(4,minmax(0,1fr));}}
@media(max-width:720px){.schedule-row{grid-template-columns:123px 1fr;gap:10px}.schedule-time{font-size:11px}.week-inputs{grid-template-columns:repeat(3,minmax(0,1fr));}.day-picker button{padding:8px 12px}.schedule-row b{font-size:14px}.nav{font-size:9px}}
@media(min-width:1400px){.main{padding-top:35px}.hero{min-height:290px}}
@media(max-width:1050px){.shell{grid-template-columns:180px 1fr}.sidebar{padding:30px 16px}.main{padding:24px}.hero{padding:28px}.hero h1{font-size:32px}.hero-art .orbit{width:140px;height:140px}.sprout{font-size:65px}.cards{grid-template-columns:1fr 1fr}.lesson-layout{grid-template-columns:1fr}.reading-paper{position:static}.paragraph{font-size:19px}.controls{gap:14px}}
@media(max-width:720px){.shell{display:block}.sidebar{position:fixed;top:auto;bottom:0;height:75px;width:100%;z-index:3;display:block;padding:8px;border-right:0;border-top:1px solid var(--border);background:#f6f8eff5;backdrop-filter:blur(12px)}.brand,.side-note{display:none}.sidebar nav{display:flex;justify-content:space-around;gap:2px}.nav{flex-direction:column;gap:0;flex:1;font-size:10px;padding:3px 4px;min-height:55px}.main{padding:18px 16px 105px}.topbar{margin-bottom:18px}.hero{grid-template-columns:1fr;padding:25px;min-height:250px}.hero h1{font-size:30px}.hero-art{display:none}.hero p{font-size:14px}.controls,.two-col,.task-grid{grid-template-columns:1fr}.controls{gap:12px}.panel,.task-card{padding:21px}.cards{grid-template-columns:1fr}.metrics{gap:8px}.metric{padding:13px}.metric strong{font-size:23px}.metric span{font-size:11px}.section-head h2{font-size:21px}.reading-paper{padding:23px}.question .instruction{font-size:17px}.lesson-header{align-items:flex-start}.timer{flex-wrap:wrap;justify-content:flex-end}.topbar .eyebrow{letter-spacing:.6px}#notice{bottom:90px}.line{align-items:flex-start}.inline-fields{grid-template-columns:1fr 1fr}.page-heading h1{font-size:29px}}

.school-grid{overflow-x:auto}.school-grid table{width:100%;border-collapse:collapse;margin-top:14px;text-align:center}.school-grid th,.school-grid td{padding:10px;border:1px solid var(--border)}.quiz-item{border:0;border-bottom:1px solid var(--border);padding:20px 0;margin:0 0 16px;min-width:0}.quiz-item legend{font-weight:700}.ebs-link{display:inline-block;margin:16px 0;text-decoration:none}.task-card a.secondary{display:inline-block;margin-top:12px;text-decoration:none}