:root{--ink:#27342d;--muted:#69756e;--green:#45674c;--line:#e0e5e0;--paper:#f8f9f6;--surface:#fff;--subtle:#eef2ec;--bs-font-sans-serif:'Noto Sans KR','Malgun Gothic',sans-serif;--bs-body-font-family:var(--bs-font-sans-serif);--bs-body-color:var(--ink);--bs-body-bg:var(--paper);color-scheme:light}
:root[data-theme="dark"]{--ink:#e2e7e2;--muted:#a2aea4;--green:#a8c59e;--line:#39473b;--paper:#1c231e;--surface:#252e27;--subtle:#2d382e;--bs-body-color:var(--ink);--bs-body-bg:var(--paper);color-scheme:dark}
body{color:var(--ink);background:var(--paper);font-size:14px;font-weight:400}button,input{font:inherit}[hidden]{display:none!important}a{color:inherit}p{line-height:1.85}h1,h2,h3{font-weight:600;letter-spacing:-.5px}.header,main,footer{max-width:1120px;margin:auto;padding-left:28px;padding-right:28px}.header{display:flex;align-items:center;gap:18px;padding-top:24px;padding-bottom:24px;border-bottom:1px solid var(--line)}.brand{font-size:25px;font-weight:700;text-decoration:none;letter-spacing:-.7px}.brand span{display:block;font-size:11px;font-weight:400;letter-spacing:0;color:var(--muted);margin-top:4px}.header-link{margin-left:auto;color:var(--muted);font-size:13px;text-decoration:none}.header>.badge{font-weight:400;font-size:11px;color:var(--muted);background:var(--subtle);padding:8px 10px;border-radius:6px}.theme-toggle{display:flex;align-items:center;gap:7px;font-size:12px;border-color:var(--line);color:var(--ink);padding:8px 11px;min-height:40px}#theme-icon{font-size:18px;line-height:1}.hero{display:grid;grid-template-columns:1.25fr 1fr;align-items:center;gap:30px;padding:44px 0}.eyebrow{font-size:12px;color:var(--green);letter-spacing:0;margin-bottom:16px;font-weight:500}.hero h1{font-size:40px;line-height:1.45;margin-bottom:18px}.hero-copy>p:not(.eyebrow){color:var(--muted);font-size:15px}.hero-link{margin-top:8px;display:inline-flex;align-items:center;gap:24px;padding:11px 17px;font-size:14px}.btn-success{--bs-btn-bg:#45674c;--bs-btn-border-color:#45674c;--bs-btn-hover-bg:#36573e;--bs-btn-hover-border-color:#36573e;--bs-btn-active-bg:#36573e;--bs-btn-active-border-color:#36573e;--bs-btn-disabled-bg:#45674c;--bs-btn-disabled-border-color:#45674c}.principle{display:block;color:var(--muted);font-size:11px;margin-top:16px}.hero-art{height:280px;position:relative;background:var(--subtle);border-radius:50% 50% 35% 35%;isolation:isolate}.hero-art img{position:absolute;object-fit:contain;z-index:2;height:auto}.hero-sheep{width:61%;left:0;bottom:5px}.hero-wolf{width:53%;right:0;bottom:10px}.art-note{position:absolute;top:16px;left:50%;transform:translateX(-50%);white-space:nowrap;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:8px 13px;color:var(--muted);font-size:11px;z-index:3}.art-ground{position:absolute;bottom:25px;left:12%;right:12%;height:35px;background:#8ba37c26;border-radius:50%}.art-caption,.art-spark{display:none}.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:0;display:grid;grid-template-columns:1fr 1.1fr;overflow:hidden}.panel-intro{padding:34px;background:var(--subtle);display:flex;flex-direction:column;align-items:start}.auth-badge{font-size:11px;font-weight:500;background:var(--surface);color:var(--green);border:1px solid var(--line);padding:7px 10px;margin-bottom:20px}.panel h2{font-size:24px;margin:0 0 16px}.panel-intro>p{color:var(--muted);margin-bottom:28px}.auth-note{border-top:1px solid var(--line);padding-top:18px;font-size:12px;color:var(--muted);margin-top:auto;max-width:300px;line-height:1.8}.auth-content{padding:28px 34px}.auth-switch{border-bottom:1px solid var(--line);margin-bottom:12px}.auth-switch>.btn{border-radius:0;padding:10px;color:var(--muted);font-size:13px;border:0;border-bottom:2px solid transparent}.auth-switch>.btn[aria-pressed="true"]{border-bottom-color:var(--green);font-weight:600;color:var(--ink)}.form-label{font-size:12px;font-weight:500;margin:14px 0 7px}.form-control{min-height:42px;font-size:14px;background:var(--surface);border-color:var(--line);color:var(--ink)}.form-control:focus{background:var(--surface);color:var(--ink);border-color:#83a07b;box-shadow:0 0 0 .2rem #83a07b22}.form-control::placeholder{color:var(--muted);opacity:.7}.primary{min-height:42px;font-size:14px}.help{font-size:11px;color:var(--muted);margin:12px 0}.auth-content>.help{margin-bottom:0}.status{font-size:13px;color:var(--green);background:var(--subtle);padding:12px 16px;border-radius:8px;overflow-wrap:anywhere}.status:empty{display:none}.status[data-kind="error"]{background:#fff0e9;color:#983d22}.dashboard{grid-template-columns:1fr auto;padding:28px;gap:20px}.dashboard p{color:var(--muted)}.user-email{overflow-wrap:anywhere}.empty-state{grid-column:1/-1;background:var(--subtle);border-radius:8px;padding:20px;font-size:13px}.empty-state p{margin-bottom:0}.courses{padding:40px 0 48px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}.section-heading h2{font-size:23px;margin:0 0 6px}.section-heading p{font-size:13px;color:var(--muted);margin:0}.availability{border:1px solid var(--line);color:var(--muted);background:var(--surface);font-size:11px;font-weight:400;padding:7px 10px}.course{background:var(--surface);border-color:var(--line);border-radius:10px;overflow:hidden}.course .card-body{padding:22px 24px;position:relative;min-height:196px}.course-top{display:flex;align-items:center;gap:9px;margin-bottom:15px}.course-number{font-size:12px;color:var(--muted)}.course-label{font-size:10px;font-weight:500;border-radius:4px;padding:5px 7px;background:var(--subtle);color:var(--green)}.course h3{font-size:21px;margin:0 0 12px}.course p{font-size:13px;color:var(--muted);margin:0;max-width:calc(100% - 98px);line-height:1.85;word-break:keep-all}.course .card-footer{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background:transparent;border-color:var(--line);color:var(--muted);font-size:11px}.coming-soon{font-size:10px;border:1px solid var(--line);padding:3px 7px;border-radius:4px}.course-mascot{position:absolute;right:16px;bottom:16px;width:100px;height:100px;object-fit:contain}.course-symbol{position:absolute;right:24px;bottom:35px;font-size:32px;font-weight:600;color:#a6af9f;letter-spacing:-1px}.sheep-course{border-top:3px solid #99b78e}.wolf-course{border-top:3px solid #98aeca}.exam-course{border-top:3px solid #ceb982}.advanced-course{border-top:3px solid #c7a28d}footer{border-top:1px solid var(--line);padding-top:22px;padding-bottom:26px;display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted)}.skip-link{position:absolute;top:-100px;left:16px;padding:10px;background:var(--surface);z-index:10}.skip-link:focus{top:8px}button:focus-visible,a:focus-visible{outline:3px solid #87a47d;outline-offset:3px}
[data-theme="dark"] .btn-success{--bs-btn-color:#1c2a1e;--bs-btn-bg:#a8c59e;--bs-btn-border-color:#a8c59e;--bs-btn-hover-color:#1c2a1e;--bs-btn-hover-bg:#bbd5b1;--bs-btn-hover-border-color:#bbd5b1;--bs-btn-active-bg:#bbd5b1;--bs-btn-active-border-color:#bbd5b1;--bs-btn-active-color:#1c2a1e;--bs-btn-disabled-bg:#a8c59e;--bs-btn-disabled-border-color:#a8c59e;--bs-btn-disabled-color:#1c2a1e}[data-theme="dark"] .status[data-kind="error"]{background:#4d2d27;color:#ffcab6}
@media(max-width:767px){.header,main,footer{padding-left:20px;padding-right:20px}.header{gap:10px;flex-wrap:wrap}.header-link{display:none}.header>.badge{margin-left:auto}.theme-toggle>span:last-child{display:none}.hero{grid-template-columns:1fr;gap:22px;padding:32px 0}.hero h1{font-size:33px}.hero-art{width:min(100%,310px);height:235px;justify-self:center}.hero-copy>p:not(.eyebrow){font-size:14px}.panel{grid-template-columns:1fr}.panel-intro{padding:24px}.panel-intro>p{margin-bottom:0}.auth-badge{margin-bottom:14px}.auth-note{margin-top:16px;padding-top:12px;max-width:none}.auth-content{padding:20px 24px 24px}.section-heading h2{font-size:21px}.course .card-body{padding:20px;min-height:196px}.course h3{font-size:20px}.course p{font-size:12px;max-width:calc(100% - 84px)}.course-mascot{width:88px;height:88px;right:10px}.course-symbol{right:18px;font-size:29px}.course .card-footer{padding:12px 20px}.dashboard{padding:24px}.dashboard .secondary{justify-self:start}footer{flex-direction:column}.header>.badge{font-size:10px}.brand{font-size:24px}}
.google-login{display:flex;align-items:center;justify-content:center;gap:12px;min-height:44px;background:var(--surface);color:var(--ink);border:1px solid var(--line);font-size:14px}.google-login:hover{background:var(--subtle);color:var(--ink);border-color:var(--line)}.google-login>span{font-family:Arial,sans-serif;font-size:20px;font-weight:700;color:#4285f4}.auth-divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:11px;margin:20px 0 8px}.auth-divider::before,.auth-divider::after{content:'';flex:1;height:1px;background:var(--line)}
/* STEP 1 uses the existing palette and works with both themes. */
.sheep-page{padding:28px 0 48px}.sheep-back{display:inline-block;margin-bottom:20px;color:var(--muted)}.sheep-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.sheep-heading h1{font-size:32px}.sheep-heading p{color:var(--muted)}.sheep-heading .eyebrow{color:var(--green);margin-bottom:8px}.sheep-heading img{object-fit:contain;flex-shrink:0}.sheep-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.sheep-panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px;min-width:0}.sheep-panel h2{font-size:23px}.sheep-panel h3{font-size:16px;margin:24px 0 10px}.sheep-panel h4{font-size:14px}.example-box{background:var(--subtle);padding:16px;border-radius:8px;margin-top:16px}.example-box pre{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--ink);margin-top:6px}.example-box p{font-size:12px;margin-bottom:0}.code-editor{font-family:Consolas,monospace;font-size:14px;line-height:1.65;tab-size:4;resize:vertical;min-height:290px;white-space:pre;overflow:auto}.hint-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.hint-list{padding-left:22px}.hint-list li{line-height:1.8;margin-bottom:12px}.sheep-course{text-decoration:none}.sheep-course:focus-within{outline:3px solid #87a47d}.sheep-page .status{margin-top:16px}select.form-control{appearance:auto}.sheep-panel .help{line-height:1.8}@media(max-width:767px){.sheep-grid{grid-template-columns:1fr}.sheep-panel{padding:20px}.sheep-heading h1{font-size:28px}.sheep-heading img{width:88px;height:88px}.sheep-heading p{font-size:12px}}
.diagnosis-page{padding:28px 0 48px;max-width:760px;margin:auto;font-size:16px}.diagnosis-page h2{font-size:21px;line-height:1.6}.diagnosis-page h3{font-size:17px;margin:24px 0 12px}.diagnosis-page .help{font-size:13px;line-height:1.7}.diagnosis-actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.diagnosis-page .btn{min-height:46px;white-space:normal;padding:11px 16px}.diagnosis-option{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:9px;min-height:52px;padding:12px;margin:10px 0;cursor:pointer;overflow-wrap:anywhere}.diagnosis-option:has(input:checked){background:var(--subtle);border-color:var(--green)}.diagnosis-option input{flex-shrink:0;width:20px;height:20px;accent-color:var(--green)}.diagnosis-code{max-width:100%;min-width:0}.diagnosis-code pre{overflow:auto;background:var(--subtle);padding:16px;border-radius:8px;color:var(--ink);font-size:14px;tab-size:4}.diagnosis-line{overflow:auto;white-space:pre;font-size:14px}.diagnosis-line code{color:var(--ink)}.diagnosis-page fieldset{min-width:0}.diagnosis-page progress{width:100%;height:10px;accent-color:var(--green)}.diagnosis-storage{margin-top:24px}.diagnosis-page ul{padding-left:22px;overflow-wrap:anywhere}.diagnosis-page li{margin:10px 0;line-height:1.7}.diagnosis-page #diagnosis-summary-content>.btn{margin:5px}.wolf-course{text-decoration:none}.diagnosis-page textarea{font-size:16px}.diagnosis-page .sheep-panel{min-width:0}.diagnosis-page .form-label{font-size:14px}@media(max-width:390px){.diagnosis-page .sheep-panel{padding:16px}.diagnosis-page .sheep-heading img{width:64px;height:64px}.diagnosis-page .diagnosis-actions>.btn{flex:1 1 120px}.diagnosis-page h1{font-size:25px}.header>.badge{display:none}}