:root{color-scheme:dark;--ink:#eef4ff;--muted:#a9b8ce;--line:#263953;--panel:#0c192b;--mint:#73e5cf;--blue:#8fbaff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;background:radial-gradient(ellipse at 75% 0,#152449 0,transparent 42%),#060d19;color:var(--ink);font-family:Pretendard,"Noto Sans KR",system-ui,sans-serif;line-height:1.7}a{color:var(--blue);text-underline-offset:4px}a:hover{color:#c8ddff}button,input,select{font:inherit}a,button,input{touch-action:manipulation}:focus-visible{outline:3px solid var(--mint);outline-offset:4px}.learn-shell{width:min(1160px,calc(100% - 40px));margin:auto}.learn-header{border-bottom:1px solid var(--line);background:#060d19ee}.learn-header .learn-shell{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:80px}.learn-brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:21px;font-weight:850;text-decoration:none}.learn-brand img{width:46px;height:38px}.learn-header nav{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.learn-header nav a{font-size:14px;text-decoration:none}.learn-breadcrumb{font-size:13px;color:var(--muted);padding:25px 0}.learn-hero{padding:10px 0 40px;max-width:830px}.learn-eyebrow{font-size:12px;letter-spacing:.13em;color:var(--mint);font-weight:800}.learn-hero h1{font-size:clamp(32px,5vw,58px);line-height:1.18;letter-spacing:-.045em;margin:12px 0 18px;text-wrap:balance}.learn-hero p{font-size:18px;color:var(--muted);margin:0}.learn-meta{margin-top:18px;font-size:13px;color:var(--muted)}.learn-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:38px;padding-bottom:64px}.learn-side{align-self:start;position:sticky;top:24px}.learn-side a{display:block;padding:10px 12px;margin:4px 0;border-radius:10px;text-decoration:none;font-size:14px;color:var(--muted)}.learn-side a[aria-current=page]{background:#172941;color:var(--ink);font-weight:800}.learn-content{min-width:0}.learn-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.learn-card{border:1px solid var(--line);background:linear-gradient(135deg,#122039,var(--panel));border-radius:18px;padding:24px}.learn-card a{color:var(--ink);font-size:20px;font-weight:800;text-decoration:none}.learn-card p{color:var(--muted);font-size:14px;margin-bottom:0}.learn-section{border-top:1px solid var(--line);padding:28px 0}.learn-section:first-child{border-top:0;padding-top:0}.learn-section h2{font-size:25px;line-height:1.35;margin:0 0 16px;letter-spacing:-.025em}.learn-section h3{font-size:18px;margin:22px 0 8px}.learn-section p,.learn-section li{color:var(--muted)}.learn-section ol{padding-left:24px}.learn-section li{padding:6px 0}.learn-section strong{color:var(--ink)}.learn-note{border-left:3px solid var(--mint);background:#0e242b;border-radius:0 12px 12px 0;padding:18px 20px;margin:20px 0;color:#ceeee8}.learn-note p{margin:0}.learn-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.learn-flow article{padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.learn-flow small{color:var(--mint)}.learn-flow b{display:block;margin:5px 0}.learn-flow p{font-size:14px;margin:0}.learn-table{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;vertical-align:top;padding:14px;border-bottom:1px solid var(--line);min-width:150px}th{color:var(--ink)}td{color:var(--muted)}.learn-check{display:grid;gap:10px}.learn-check label{display:flex;gap:10px;padding:12px 16px;border:1px solid var(--line);border-radius:10px;cursor:pointer;color:var(--muted)}.learn-check input{width:19px;height:19px;flex-shrink:0;margin-top:4px;accent-color:var(--mint)}.learn-button{display:inline-flex;justify-content:center;align-items:center;padding:10px 18px;min-height:44px;background:#1d3a64;border:1px solid #3c5d88;border-radius:10px;color:var(--ink);text-decoration:none;font-weight:750;cursor:pointer}.learn-next{display:flex;gap:12px;flex-wrap:wrap;padding:24px 0;border-top:1px solid var(--line)}.learn-filter{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.learn-filter button{border:1px solid var(--line);border-radius:99px;background:var(--panel);color:var(--muted);padding:8px 16px;cursor:pointer}.learn-filter button[aria-pressed=true]{background:#214969;color:var(--ink);border-color:#579aaa}.learn-resource{padding:20px;border:1px solid var(--line);border-radius:14px;margin:12px 0;background:var(--panel)}.learn-resource[hidden]{display:none}.learn-resource small{color:var(--mint)}.learn-resource h3{margin:6px 0;font-size:19px}.learn-resource p{margin:6px 0;color:var(--muted);font-size:14px}.learn-example{margin:16px 0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--panel)}.learn-example summary{padding:20px;cursor:pointer;font-weight:750}.learn-example .example-body{padding:0 20px 20px}.learn-example pre{white-space:pre-wrap;overflow-wrap:anywhere;border-radius:10px;background:#050d1b;padding:18px;font:14px/1.8 ui-monospace,monospace;color:#cbdcff}.learn-example .learn-filter{margin-bottom:0}.learn-status{color:var(--mint);font-size:14px;min-height:24px}.learn-search{width:100%;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:12px 16px}.learn-footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:13px}.learn-footer a{margin-right:16px}.learn-skip{position:absolute;top:-60px;left:16px;background:#183453;padding:8px;z-index:20}.learn-skip:focus{top:8px}@media(max-width:780px){.learn-layout{grid-template-columns:1fr;gap:20px}.learn-side{position:static;display:flex;overflow:auto;gap:8px;padding-bottom:8px}.learn-side a{white-space:nowrap;padding:8px 12px}.learn-cards{grid-template-columns:1fr}.learn-flow{grid-template-columns:1fr}.learn-header .learn-shell{padding:15px 0;align-items:flex-start;flex-wrap:wrap;gap:12px}.learn-header nav{gap:14px}.learn-hero{padding-bottom:26px}.learn-shell{width:calc(100% - 32px)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

@media(max-width:780px){.learn-side{min-width:0}.learn-side nav{display:flex;gap:8px;width:max-content}.learn-side a{flex-shrink:0}}
