@import"https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg: #0d0d14;--bg2: #13131f;--bg3: #1a1a2e;--border: #2a2a3e;--accent: #e85d26;--accent2: #ff7c4d;--text: #e0e0f0;--text2: #a0a0c0;--text3: #6a6a8a;--green: #4ade80;--yellow: #fbbf24;--red: #f87171;--blue: #60a5fa;--purple: #a78bfa}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Noto Sans KR,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:15px}.app{display:flex;min-height:100vh}.sidebar{width:260px;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto;background:var(--bg2);border-right:1px solid var(--border);padding:24px 0}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.sidebar-logo{padding:0 20px 20px;border-bottom:1px solid var(--border);margin-bottom:12px}.sidebar-logo h1{font-size:18px;font-weight:700;color:var(--accent)}.sidebar-logo p{font-size:11px;color:var(--text3);margin-top:4px}.nav-section{padding:6px 20px 4px;font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--text3)}.nav-item{display:block;padding:7px 20px;font-size:13px;color:var(--text2);text-decoration:none;cursor:pointer;border-left:3px solid transparent;transition:all .15s;background:none;border-top:none;border-right:none;border-bottom:none;width:100%;text-align:left}.nav-item:hover{color:var(--text);background:var(--bg3)}.nav-item.active{color:var(--accent);border-left-color:var(--accent);background:#e85d2614}.new-badge{display:inline-block;background:var(--accent);color:#fff;font-size:9px;font-weight:700;padding:1px 5px;border-radius:3px;margin-left:6px;vertical-align:middle}.main{flex:1;min-width:0;padding:48px;max-width:960px}.section{margin-bottom:80px;scroll-margin-top:24px}.section-header{display:flex;align-items:center;gap:12px;margin-bottom:32px;padding-bottom:16px;border-bottom:1px solid var(--border)}.section-num{width:36px;height:36px;background:var(--accent);color:#fff;font-size:14px;font-weight:700;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.section-title{font-size:24px;font-weight:700;letter-spacing:-.5px}.section-subtitle{font-size:13px;color:var(--text3);margin-top:4px}.new-tag{background:#e85d2626;border:1px solid var(--accent);color:var(--accent);font-size:10px;font-weight:700;padding:2px 8px;border-radius:4px;letter-spacing:1px}h2{font-size:18px;font-weight:700;margin:28px 0 12px;color:var(--text)}h3{font-size:15px;font-weight:600;margin:20px 0 10px;color:var(--accent2)}p{margin-bottom:12px;color:var(--text2);line-height:1.8}strong{color:var(--text);font-weight:600}ul,ol{padding-left:20px;margin-bottom:12px}li{margin-bottom:6px;color:var(--text2)}li strong{color:var(--text)}code{font-family:JetBrains Mono,monospace;background:var(--bg3);border:1px solid var(--border);padding:1px 6px;border-radius:4px;font-size:12.5px;color:var(--accent2)}pre{background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:20px;overflow-x:auto;margin:16px 0;position:relative}pre code{background:none;border:none;padding:0;color:#c9d1d9;font-size:13px;line-height:1.6}.code-label{position:absolute;top:10px;right:14px;font-size:10px;color:var(--text3);font-family:JetBrains Mono,monospace;letter-spacing:1px}.card{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:16px}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:16px 0}.card-grid .card{margin-bottom:0}.card h3{font-size:14px;font-weight:600;color:var(--accent2);margin:0 0 8px}.card p{font-size:13px;color:var(--text2);margin:0}.table-wrap{overflow-x:auto;margin:16px 0;border-radius:10px;border:1px solid var(--border)}table{width:100%;border-collapse:collapse;font-size:13px}th{background:var(--bg3);color:var(--text);font-weight:600;padding:10px 14px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}td{padding:9px 14px;color:var(--text2);border-bottom:1px solid var(--border);vertical-align:top}tr:last-child td{border-bottom:none}tr:hover td{background:#ffffff05}td code{font-size:11.5px}.tag-best{background:#4ade8026;color:var(--green);font-size:10px;font-weight:700;padding:2px 7px;border-radius:3px}.tag-warn{background:#fbbf2426;color:var(--yellow);font-size:10px;font-weight:700;padding:2px 7px;border-radius:3px}.tag-danger{background:#f8717126;color:var(--red);font-size:10px;font-weight:700;padding:2px 7px;border-radius:3px}.tag-info{background:#60a5fa26;color:var(--blue);font-size:10px;font-weight:700;padding:2px 7px;border-radius:3px}.alert{border-radius:10px;padding:16px 18px;margin:16px 0;border-left:4px solid;font-size:13.5px}.alert-danger{background:#f8717114;border-color:var(--red);color:#fca5a5}.alert-warn{background:#fbbf2414;border-color:var(--yellow);color:#fcd34d}.alert-info{background:#60a5fa14;border-color:var(--blue);color:#93c5fd}.alert-success{background:#4ade8014;border-color:var(--green);color:#86efac}.alert strong{color:inherit}.steps{display:flex;flex-direction:column;gap:0;margin:16px 0}.step{display:flex;gap:16px;position:relative}.step:not(:last-child):after{content:"";position:absolute;left:16px;top:36px;bottom:0;width:2px;background:var(--border)}.step-num{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative;z-index:1}.step-content{padding-bottom:24px;flex:1}.step-content h4{font-size:14px;font-weight:600;margin-bottom:4px;color:var(--text)}.step-content p{font-size:13px;color:var(--text2);margin:0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:16px 0}.stat{background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:16px;text-align:center}.stat-value{font-size:28px;font-weight:700;color:var(--accent);line-height:1;font-family:JetBrains Mono,monospace}.stat-label{font-size:12px;color:var(--text3);margin-top:6px}.checklist{list-style:none;padding:0}.checklist li{padding:6px 0 6px 28px;position:relative;font-size:13.5px;color:var(--text2);border-bottom:1px solid rgba(255,255,255,.04)}.checklist li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}.checklist li.danger:before{content:"✗";color:var(--red)}.checklist li.warn:before{content:"!";color:var(--yellow)}.sev-critical{color:var(--red);font-weight:700}.sev-high{color:var(--yellow);font-weight:600}.sev-medium{color:var(--blue)}.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:16px 0}.path-box{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:20px}.path-box.recommended{border-color:var(--accent)}.path-time{font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--accent);margin-bottom:8px}.path-title{font-size:16px;font-weight:700;margin-bottom:12px}.path-box ol{padding-left:16px}.path-box li{font-size:13px;margin-bottom:6px;color:var(--text2)}.bar-row{display:flex;align-items:center;gap:12px;margin-bottom:10px}.bar-label{font-size:13px;color:var(--text2);width:200px;flex-shrink:0}.bar-track{flex:1;height:8px;background:var(--bg3);border-radius:4px;overflow:hidden}.bar-fill{height:100%;border-radius:4px;background:var(--accent)}.bar-val{font-size:12px;color:var(--text3);width:40px;text-align:right;flex-shrink:0}.mistake-list{counter-reset:mistake;list-style:none;padding:0}.mistake-list li{counter-increment:mistake;padding:10px 14px 10px 44px;position:relative;border-bottom:1px solid var(--border);font-size:13.5px;color:var(--text2)}.mistake-list li:before{content:counter(mistake);position:absolute;left:12px;top:10px;width:22px;height:22px;background:#f8717133;color:var(--red);border-radius:50%;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}@media(max-width:900px){.path-grid{grid-template-columns:1fr}}@media(max-width:768px){.sidebar{display:none}.main{padding:24px 16px}}