@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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#1f6b5017;border-radius:50%;width:460px;height:460px;position:absolute;bottom:-240px;right:-180px}.hero-copy{z-index:1;max-width:720px;position:relative}.eyebrow{color:var(--green);letter-spacing:.15em;text-transform:uppercase;margin:0 0 19px;font-size:12px;font-weight:900}.hero-copy h1,.teacher-intro h1{letter-spacing:-.055em;margin:0;font-family:Georgia,Noto Serif KR,serif;font-size:clamp(47px,6vw,82px);font-weight:650;line-height:1.08}.hero-copy h1 em,.teacher-intro h1 em{color:var(--green);white-space:nowrap;font-style:italic;position:relative}.hero-copy h1 em:after,.teacher-intro h1 em:after{content:"";background:var(--lime);z-index:-1;border-radius:99px 40% 99px 45%;height:7px;position:absolute;bottom:-5px;left:3%;right:0;transform:rotate(-1.5deg)}.hero-copy>p:not(.eyebrow),.teacher-intro>p:not(.eyebrow){max-width:560px;color:var(--muted);margin:28px 0 0;font-size:16px;line-height:1.75}.topic-strip{flex-wrap:wrap;gap:8px;margin-top:45px;display:flex}.topic-strip 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span{gap:3px;display:grid}.link-copy small{color:var(--green);font-size:9px;font-weight:900}.link-copy b{font-size:12px}.link-copy em{color:var(--green);font-size:10px;font-style:normal;font-weight:850}.link-copy.private{background:#fff5ef;border-color:#ead2c7}.link-copy.private small,.link-copy.private em{color:#b7502d}.teacher-shell{background:#f2f4ef;min-height:100vh}.dashboard-topbar{background:var(--green-dark);color:#fff;border:0}.dashboard-topbar .brand-mark{background:var(--lime);color:var(--green-dark)}.dashboard-topbar>div{color:#d7e6df;align-items:center;gap:8px;font-size:11px;font-weight:750;display:flex}.live-dot{background:var(--lime);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 4px #c9f06a1f}.dashboard-heading{justify-content:space-between;align-items:end;gap:24px;padding:48px clamp(24px,6vw,88px) 32px;display:flex}.dashboard-heading h1{letter-spacing:-.05em;margin:0;font-family:Georgia,Noto Serif 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small{color:var(--muted);margin-left:5px;font-size:10px}.cohort-stat{background:linear-gradient(145deg,#eff8e6,#fff)!important;border-color:#cfe2b6!important}.cohort-stat em{color:var(--muted);margin-top:9px;font-size:8px;font-style:normal;font-weight:750;display:block}.dashboard-grid{grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:16px;padding:0 clamp(24px,6vw,88px) 70px;display:grid}.dashboard-grid>*{min-width:0}.panel{border:1px solid var(--line);background:#fff;border-radius:18px;padding:25px}.panel-title{justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:20px;display:flex}.panel-title span{color:var(--green);letter-spacing:.08em;font-size:9px;font-weight:900}.panel-title h2{letter-spacing:-.03em;margin:4px 0 0;font-size:18px}.panel-title>small{color:var(--muted);font-size:9px}.preinstruction-note{color:#516159;background:#f5f9f1;border-left:3px solid #a8c78f;border-radius:0 9px 9px 0;margin:-8px 0 17px;padding:11px 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