:root{--bg:#000;--bg2:#0d0d0d;--ink:#f5f5f5;--mute:#9a9a9a;--gold:#f5c542;--line:#2a2a2a}*,:after,:before{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.55 IBM Plex Sans,system-ui,sans-serif}h1,h2,h3{font-family:Anton,Impact,sans-serif;font-weight:400;text-transform:uppercase;line-height:1;margin:0}a{color:inherit}.wrap{max-width:1040px;margin:0 auto;padding:0 22px}nav{justify-content:space-between;padding:22px 0}.logo,nav{display:flex;align-items:center}.logo{font:400 30px Anton,Impact,sans-serif;text-transform:uppercase;gap:10px;text-decoration:none}.dot{width:12px;height:12px;border-radius:50%}.btn,.dot{background:var(--gold)}.btn{display:inline-block;color:#000;font:500 16px IBM Plex Sans,sans-serif;padding:13px 22px;border:0;border-radius:6px;text-decoration:none;cursor:pointer}.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}.btn:disabled{opacity:.5;cursor:default}.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--gold);outline-offset:2px}.hero{padding:40px 0 70px}.hero h1{font-size:clamp(56px,10vw,120px)}.hero p{color:var(--mute);max-width:48ch;margin:22px 0 28px;font-size:19px}section{padding:56px 0;border-top:1px solid var(--line)}section h2{font-size:clamp(36px,6vw,64px);margin-bottom:28px}.modes{display:flex;flex-wrap:wrap;gap:10px}.modes span{border:1.5px solid var(--line);border-radius:99px;padding:9px 18px;font-weight:500}.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:30px;gap:30px;margin-top:34px}.feat h3{font-size:22px;margin-bottom:8px}.feat p{margin:0;color:var(--mute)}.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-gap:18px;gap:18px}.plan{background:var(--bg2);border:1.5px solid var(--line);border-radius:6px;padding:26px}.plan.top{border-color:var(--gold);box-shadow:6px 6px 0 var(--gold)}.price{font:400 46px Anton,Impact,sans-serif;margin:10px 0 14px}.price small{font:400 15px IBM Plex Sans,sans-serif;color:var(--mute)}.plan ul{margin:0;padding-left:18px}.plan ul,footer{color:var(--mute)}footer{padding:34px 0 48px;font-size:14px;border-top:1px solid var(--line)}input,select,textarea{width:100%;padding:12px 14px;border-radius:6px;border:1.5px solid var(--line);background:var(--bg2);color:var(--ink);font:400 16px IBM Plex Sans,sans-serif}label{display:block;margin:14px 0 6px;color:var(--mute);font-size:14px}.card{max-width:420px;margin:40px auto;background:var(--bg2);border:1.5px solid var(--line);border-radius:8px;padding:28px}.card h1{font-size:40px;margin-bottom:6px}.chk{display:flex;gap:10px;align-items:flex-start;margin:16px 0;color:var(--ink);font-size:15px}.chk input{width:auto;margin-top:4px}.err{color:#ff6b6b;min-height:1.4em}.err,.ok{margin-top:12px}.ok{color:var(--gold)}.app{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.side{border-right:1px solid var(--line);padding:18px;background:var(--bg2);display:flex;flex-direction:column;gap:6px}.side h3{font-size:16px;color:var(--gold);margin:14px 0 4px}.quota{color:var(--mute)}.quota,.saved{font-size:14px}.saved{border:1px solid var(--line);border-radius:6px;padding:8px;margin-top:6px;white-space:pre-wrap;max-height:120px;overflow:auto}.main{flex-direction:column;height:100vh}.main,.msgs{display:flex}.msgs{flex:1 1;overflow:auto;padding:22px;flex-direction:column;gap:14px}.m{max-width:760px;padding:14px 16px;border-radius:8px;white-space:pre-wrap}.m.user{align-self:flex-end;background:#1a1a1a}.m.ai{background:#f5f5f5;color:#000}.m small{display:block;margin-top:8px}.m button{background:none;border:0;color:#555;text-decoration:underline;cursor:pointer;font-size:13px;padding:0 10px 0 0}.bar{border-top:1px solid var(--line);padding:14px;display:flex;gap:10px}.bar textarea{resize:none;height:56px}@media(max-width:820px){.app{grid-template-columns:1fr}.side{border-right:0;border-bottom:1px solid var(--line)}.main{height:auto;min-height:70vh}}