#sql-source{white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%;font-size:14px}#demo-choice{font:inherit;max-width:100%;min-height:44px}#quiz-items fieldset{min-width:0;margin:16px 0;border:1px solid var(--line);border-radius:12px}#quiz-items button{white-space:normal;margin:4px 0}select:focus-visible{outline:3px solid #9472d0;outline-offset:4px}:root{--bg:#f7f5fb;--ink:#292337;--muted:#665d76;--purple:#6545a4;--soft:#eee7fa;--line:#e2dce9;--green:#236449}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 -apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;word-break:keep-all;overflow-wrap:anywhere}a{color:var(--purple);text-underline-offset:4px}button,input,textarea{font:inherit}button,a,input,summary{touch-action:manipulation}button{cursor:pointer;min-height:44px;padding:9px 18px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font-weight:600}button:hover:not(:disabled){background:var(--soft);border-color:var(--purple)}button.primary{background:var(--purple);color:#fff;border-color:var(--purple)}button.primary:hover{background:#503386}button:disabled{cursor:not-allowed;color:#756c81;background:#f0edf4}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #9472d0;outline-offset:4px}h1,h2,h3,p{margin-top:0}h2{font-size:28px;line-height:1.4;letter-spacing:-.7px;margin-bottom:16px}h3{font-size:19px}p{margin-bottom:16px}.top{height:80px;display:flex;gap:24px;align-items:center;padding:0 36px;border-bottom:1px solid var(--line);background:#fff}.top>a:last-child{margin-left:auto}.brand{text-decoration:none;font-size:19px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:12px}.brandmark{display:grid;place-items:center;background:var(--purple);color:#fff;width:36px;height:36px;border-radius:11px;font-size:25px}.top-meta{font-size:14px;color:var(--muted)}.layout{display:grid;grid-template-columns:270px minmax(0,1fr);max-width:1500px;margin:auto}aside{border-right:1px solid var(--line);padding:36px 22px;align-self:start;position:sticky;top:0;max-height:100vh;overflow:auto}aside h2{font-size:22px}#steps{display:grid;gap:6px}#steps a{display:flex;gap:12px;align-items:center;padding:12px;border-radius:12px;text-decoration:none;color:var(--muted);font-weight:600;font-size:14px}#steps a[aria-current=step]{background:var(--soft);color:var(--purple)}.nav-number{border:1px solid var(--line);border-radius:9px;min-width:29px;text-align:center;background:#fff}.progress-card{border-top:1px solid var(--line);margin-top:24px;padding-top:22px;font-size:13px}.progress-card label{display:flex;justify-content:space-between}progress{width:100%;height:8px;accent-color:var(--purple)}.progress-card p{color:var(--muted);margin:12px 0}.quiet{font-size:13px;background:transparent}.side-link{display:block;font-size:13px;margin-top:14px}.eyebrow{font-size:12px;letter-spacing:1.2px;color:var(--purple);font-weight:800;margin-bottom:12px}.hero{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:36px;align-items:center;padding:22px 0 32px}main{min-width:0;padding:36px 48px 0}h1{font-size:clamp(32px,3.8vw,52px);letter-spacing:-2px;line-height:1.27;margin-bottom:22px}h1 em{font-style:normal;color:var(--purple)}.lead{font-size:17px;color:var(--muted);line-height:1.85}.tags{display:flex;gap:8px;flex-wrap:wrap}.tags span,.pill{font-size:12px;color:var(--purple);background:var(--soft);padding:5px 11px;border-radius:99px;display:inline-block}.journey{padding:24px;border:1px solid var(--line);background:#fff;border-radius:24px;transform:rotate(2deg)}.journey div{display:flex;align-items:center;gap:16px}.journey b{font-size:12px;color:var(--purple)}.journey span{font-size:12px;color:var(--muted)}.journey strong{display:block;font-size:21px;color:var(--ink)}.journey i{display:block;font-style:normal;color:#ad96cf;padding-left:4px}.schedule{background:var(--soft);border:0;margin-bottom:26px;border-radius:16px;padding:8px 20px}.schedule summary{font-weight:700}.schedule summary span{font-size:13px;color:var(--muted);font-weight:400;margin-left:15px}.schedule li{margin:8px 0}.card,.lesson{background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px;margin-bottom:28px}.lesson-top,.section-title{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:16px}.lesson-top .eyebrow{margin:0}.actions{list-style:none;counter-reset:action;padding:0;margin:26px 0}.actions li{counter-increment:action;display:flex;gap:14px;margin:16px 0}.actions li:before{content:counter(action);flex-shrink:0;display:grid;place-items:center;width:28px;height:28px;background:var(--soft);border-radius:50%;color:var(--purple);font-size:13px;font-weight:700}details{border-bottom:1px solid var(--line);padding:8px 0}summary{cursor:pointer;padding:10px 0;min-height:44px}details p{color:var(--muted);padding:8px 0}.prompt{margin:24px 0;border:1px solid var(--line);border-radius:16px;overflow:hidden}.prompt-head{padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--soft)}.prompt-head h3{margin:0;font-size:16px}.prompt pre{font:14px/1.9 inherit;white-space:pre-wrap;overflow-wrap:anywhere;word-break:normal;margin:0;padding:22px;background:#faf9fc;max-height:350px;overflow:auto}.prompt textarea{width:100%;min-height:180px}.notice{border-left:3px solid #b99854;background:#fcf7e9;padding:16px 20px;font-size:14px;margin:22px 0}.complete{display:flex;align-items:flex-start;gap:12px;padding:20px;background:#f0f7f3;border-radius:12px;color:var(--green);cursor:pointer}.complete input{accent-color:var(--green);width:20px;height:20px;flex-shrink:0;margin-top:4px}.pager{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:28px}.pager span{font-size:13px;color:var(--muted)}.timer-inputs{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}.timer-inputs label{font-size:14px;font-weight:600}input:not([type=checkbox]){display:block;width:100%;min-width:0;border:1px solid #aea3bc;border-radius:10px;padding:11px;margin-top:7px;background:#fff;color:var(--ink)}input:disabled{background:#f0edf4}.timer-face{text-align:center;background:var(--bg);border-radius:20px;padding:22px;margin:24px 0}.timer-face p{margin:0;color:var(--muted)}#timer-output{display:block;font-size:clamp(54px,8vw,90px);font-weight:700;line-height:1.5;font-variant-numeric:tabular-nums;color:var(--purple);letter-spacing:-3px}.timer-buttons{display:flex;gap:10px;flex-wrap:wrap}.timer-buttons button{flex:1}.fine{font-size:13px;color:var(--muted);margin:18px 0 0}.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.resource-grid>a,.resource-grid>span{padding:16px;border:1px solid var(--line);border-radius:12px;font-size:14px}.resource-grid>span{color:var(--muted);background:var(--bg)}small{font-size:11px}footer{font-size:13px;color:var(--muted);padding:10px 0 35px;text-align:center}dialog{max-width:calc(100% - 32px);width:480px;border:1px solid var(--line);border-radius:20px;padding:28px;color:var(--ink)}dialog::backdrop{background:#29233788}.dialog-actions{display:flex;gap:12px;justify-content:flex-end}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:calc(100% - 32px);border-radius:12px;color:white;background:#39294f;padding:12px 20px;z-index:20}#toast:empty{display:none}.skip{position:fixed;top:-100px;left:16px;background:#fff;padding:10px;z-index:30}.skip:focus{top:8px}#menu-toggle{display:none}.slide-image{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}[hidden]{display:none!important}@media(max-width:1100px){main{padding:28px}.hero{grid-template-columns:1fr}.journey{display:flex;justify-content:space-between;transform:none;gap:8px}.journey i{align-self:center;transform:rotate(-90deg)}.journey div{gap:8px}.layout{grid-template-columns:240px minmax(0,1fr)}}@media(max-width:760px){.top{height:68px;padding:0 18px;gap:12px}.top-meta{display:none}.top>a:last-child{font-size:13px}.brand{font-size:16px}.layout{display:block}aside{position:static;border-right:0;border-bottom:1px solid var(--line);padding:12px 18px;max-height:none}#menu-toggle{display:block;width:100%;text-align:left}#course-nav{display:none;padding-top:18px}#course-nav.open{display:block}main{padding:24px 16px 0}.hero{gap:22px;padding-top:8px}h1{font-size:36px;letter-spacing:-1.4px}.lead{font-size:16px}.journey{padding:18px 12px}.journey strong{font-size:17px}.journey b{display:none}.journey span{font-size:11px}.card,.lesson{padding:22px 18px;border-radius:18px}.schedule summary span{display:block;margin:0}.section-title{display:block}.section-title .pill{margin-top:5px}h2{font-size:24px}.timer-inputs{grid-template-columns:1fr 1fr}.timer-inputs label:first-child{grid-column:1/-1}.timer-buttons{display:grid;grid-template-columns:1fr 1fr}.resource-grid{grid-template-columns:1fr}.prompt-head{align-items:flex-start}.prompt-head button{font-size:13px;white-space:nowrap;padding:8px 12px}.prompt pre{padding:16px}.pager button{font-size:13px;padding:9px 12px}.eyebrow{letter-spacing:.5px}.dialog-actions{flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}