:root{--bg: #fff;--text: #1f2328;--muted: #6b7280;--line: #e5e7eb;--primary: #2563eb;--on-primary: #fff;--danger: #dc2626;--ok: #16a34a;--panel: #f8fafc;--focus: #2563eb;color-scheme:light dark;font-family:-apple-system,Pretendard,Apple SD Gothic Neo,Noto Sans KR,system-ui,sans-serif;font-size:16px;line-height:1.6;color:var(--text)}@media(prefers-color-scheme:dark){:root{--bg: #0f1115;--text: #e5e7eb;--muted: #9ca3af;--line: #2a2f3a;--panel: #161a22;--primary: #60a5fa;--on-primary: #0f1115;--danger: #f87171;--ok: #4ade80;--focus: #93c5fd}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--primary)}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}header{border-bottom:1px solid var(--line)}header .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:4px 16px;padding-top:8px;padding-bottom:8px}header a{color:var(--text);text-decoration:none}header .brand{font-weight:700;padding:10px 0}header nav{margin-left:auto;display:flex;flex-wrap:wrap;gap:4px;font-size:14px}header nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 10px;border-radius:8px;white-space:nowrap}header nav a:hover{background:var(--panel)}header nav a[aria-current=page]{color:var(--primary);font-weight:700;background:var(--panel)}@media(max-width:420px){header nav{margin-left:-10px;width:calc(100% + 10px)}header nav a{padding:0 8px}}.wrap{max-width:640px;margin:0 auto;padding:16px}main.wrap{padding-top:24px;padding-bottom:48px}h1{font-size:24px;margin:0 0 8px}h2{font-size:18px;margin:28px 0 8px}.section-gap{margin-top:48px}.section-gap-sm{margin-top:32px}p.lead{color:var(--muted);margin-top:0}label{display:block;font-size:14px;color:var(--muted);margin:14px 0 6px}.req,.opt{display:inline-block;font-size:12px;line-height:1;padding:3px 6px;margin-left:4px;border-radius:4px;vertical-align:1px}.req{color:var(--danger);border:1px solid var(--danger)}.opt{color:var(--muted);border:1px solid var(--line)}input,select,textarea{font:inherit;width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text)}textarea{min-height:140px;resize:vertical}.counter{text-align:right;margin:4px 0 0}button,.btn{font:inherit;display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:44px;padding:10px 16px;margin-top:18px;border:1px solid var(--primary);border-radius:8px;background:var(--primary);color:var(--on-primary);font-weight:600;cursor:pointer;text-align:center;text-decoration:none}button.secondary,.btn.secondary{background:transparent;color:var(--primary)}button.secondary{margin-top:10px}button.inline{width:auto;margin-top:0}button:disabled{opacity:.55;cursor:not-allowed}.actions{display:grid;gap:10px;margin:20px 0 8px}.actions>button,.actions>.btn{margin-top:0}@media(min-width:480px){.actions{grid-template-columns:1fr 1fr}}.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;margin:16px 0}.code-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.code{font-family:ui-monospace,monospace;font-size:20px;letter-spacing:1px;padding:10px 14px;background:var(--bg);border:1px dashed var(--line);border-radius:8px;display:inline-block;-webkit-user-select:all;user-select:all;word-break:break-all}.error{color:var(--danger);font-size:14px;margin-top:10px}.ok{color:var(--ok)}.muted{color:var(--muted);font-size:14px}ol,ul{padding-left:20px}.steps li{margin-bottom:8px}.step-title{margin-top:20px}.step-title:focus{outline:none}.step-title:focus-visible{outline:3px solid var(--focus)}.stepper{list-style:none;padding:0;margin:20px 0 8px;display:flex;gap:6px;font-size:13px;color:var(--muted)}.stepper li{flex:1;display:flex;align-items:center;gap:6px;padding:8px;border-bottom:3px solid var(--line)}.stepper 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12px;background:var(--panel);font-size:14px}.list .item{border:1px solid var(--line);border-radius:8px;margin-bottom:8px;background:var(--panel)}.list summary{display:flex;justify-content:space-between;gap:12px;align-items:center;min-height:44px;padding:12px 16px;cursor:pointer;font-weight:600;list-style:none;color:var(--text);border-radius:8px}.list summary::-webkit-details-marker{display:none}.list summary:after{content:"+";color:var(--muted);font-weight:400}.list details[open] summary:after{content:"−"}.list summary time{color:var(--muted);font-weight:400;font-size:13px;white-space:nowrap;margin-left:auto}.list .body{padding:0 16px 16px;color:var(--text);line-height:1.6}.list .body p{margin:0 0 8px}.load-failed p{margin-top:0}