:root{--bg:#fffdf5;--fg:#1d1b16;--muted:#6f6a5c;--card:#fff;--line:#ece6d3;--lemon:#f7d21e;--lemon2:#ffe866;--green:#2f7d32;--red:#b3261e;--code:#f6f3e8}
@media (prefers-color-scheme:dark){:root{--bg:#15140f;--fg:#f3efe2;--muted:#a49f8f;--card:#1e1d17;--line:#33312a;--code:#25241d}}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Pretendard","Apple SD Gothic Neo","Noto Sans KR",sans-serif;background:var(--bg);color:var(--fg);line-height:1.55}
a{color:inherit}.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
nav.top{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.logo{font-weight:800;font-size:20px;text-decoration:none}.logo span{background:var(--lemon);padding:0 6px;border-radius:6px;color:#1d1b16}
.btn{display:inline-block;border:1px solid var(--line);background:var(--card);color:var(--fg);padding:9px 16px;border-radius:10px;cursor:pointer;font-size:14px;text-decoration:none;font-weight:600}
.btn.primary{background:var(--lemon);border-color:var(--lemon);color:#1d1b16}.btn:disabled{opacity:.5;cursor:default}.btn.small{padding:5px 10px;font-size:13px}
.hero{padding:56px 0 30px;text-align:center}.hero h1{font-size:44px;line-height:1.2;margin:0 0 16px}.hero p{font-size:18px;color:var(--muted);max-width:640px;margin:0 auto 26px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin:30px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:18px 0}
.plan{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column}.plan.featured{border:2px solid var(--lemon)}
.plan-name{font-weight:700;font-size:18px}.plan-price{font-size:28px;font-weight:800;margin:6px 0 0}.plan-price small{font-size:14px;font-weight:500;color:var(--muted)}
.plan-tasks{font-weight:700;margin:10px 0 4px}.plan ul{padding-left:18px;margin:6px 0 14px;color:var(--muted);font-size:14px;flex:1}
.muted{color:var(--muted)}.small{font-size:13px}.toggle{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}.toggle button{border:0;background:transparent;padding:7px 14px;cursor:pointer;color:var(--fg)}.toggle button.on{background:var(--lemon);color:#1d1b16;font-weight:700}
footer{padding:40px 0;color:var(--muted);font-size:13px;text-align:center}
/* app */
.app{display:grid;grid-template-columns:1fr 330px;gap:16px;height:calc(100vh - 70px);padding-bottom:16px}
@media(max-width:860px){.app{grid-template-columns:1fr;height:auto}}
.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;display:flex;flex-direction:column;min-height:0}
.panel h3{margin:0;padding:12px 14px;border-bottom:1px solid var(--line);font-size:15px;display:flex;justify-content:space-between;align-items:center}
.msgs{flex:1;overflow:auto;padding:14px;min-height:300px}.msg{margin:0 0 12px;max-width:85%;padding:10px 13px;border-radius:12px;white-space:pre-wrap;word-break:break-word}
.msg.user{margin-left:auto;background:var(--lemon2);color:#1d1b16}.msg.bot{background:var(--code)}.msg.err{background:#fde7e7;color:var(--red)}
.step{font-size:12.5px;font-family:ui-monospace,Menlo,monospace;background:var(--code);border-left:3px solid var(--lemon);padding:6px 9px;margin:0 0 6px;border-radius:6px;max-width:85%;white-space:pre-wrap;word-break:break-all}
.step.res{border-left-color:var(--green)}.step.blocked{border-left-color:var(--red)}
.runinfo{font-size:12px;color:var(--muted);margin:-6px 0 12px}
form.chat{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}form.chat textarea{flex:1;resize:none;height:46px;border-radius:10px;border:1px solid var(--line);padding:10px;font:inherit;background:var(--bg);color:var(--fg)}
.side{display:flex;flex-direction:column;gap:16px;min-height:0}.files{overflow:auto;padding:8px 10px;font-size:13.5px;flex:1;max-height:42vh}
.file{display:flex;justify-content:space-between;padding:4px 6px;border-radius:6px;cursor:pointer}.file:hover{background:var(--code)}
pre.viewer{margin:0;padding:10px;font-size:12.5px;max-height:30vh;overflow:auto;background:var(--code);white-space:pre-wrap;word-break:break-all;border-radius:0 0 14px 14px}
.bar{height:8px;background:var(--code);border-radius:99px;overflow:hidden}.bar>i{display:block;height:100%;background:var(--lemon)}
.auth{max-width:380px;margin:60px auto}.auth input{width:100%;padding:11px;border:1px solid var(--line);border-radius:10px;margin:6px 0;font:inherit;background:var(--card);color:var(--fg)}
.tabs{display:flex;gap:6px}.tabs button{border:0;background:transparent;padding:7px 12px;border-radius:8px;cursor:pointer;color:var(--fg);font-weight:600}.tabs button.on{background:var(--lemon);color:#1d1b16}
.badge{font-size:12px;padding:2px 8px;border-radius:99px;background:var(--code);border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:14px}td,th{padding:8px;border-bottom:1px solid var(--line);text-align:left}
.notice{background:var(--code);border:1px dashed var(--line);padding:10px 12px;border-radius:10px;font-size:13px}
code{background:rgba(0,0,0,.06);padding:1px 5px;border-radius:5px;font-size:.92em}