:root{--bg:#f6f7fb;--card:#fff;--ink:#14161f;--muted:#5d6475;--line:#e3e6ee;--brand:#2f6df6;--brand2:#12b886;--dark:#0f1422;--warn:#f59f00;--bad:#e03131;--radius:14px}
*{box-sizing:border-box}html,body{margin:0}body{font:15px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;border:0;border-radius:10px;padding:10px 18px;font-weight:600;font-size:15px;cursor:pointer;background:var(--brand);color:#fff;text-decoration:none}
.btn:hover{filter:brightness(1.07);text-decoration:none}.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.btn.small{padding:6px 12px;font-size:13px}.btn.danger{background:var(--bad)}.btn:disabled{opacity:.55;cursor:not-allowed}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.logo{font-weight:800;font-size:20px;color:var(--ink);display:flex;gap:8px;align-items:center}.logo .mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:inline-block}
.hero{padding:56px 0 30px;text-align:center}.hero h1{font-size:46px;line-height:1.1;margin:0 0 16px;letter-spacing:-.02em}.hero p{font-size:19px;color:var(--muted);max-width:680px;margin:0 auto 26px}
.grid{display:grid;gap:18px}.g3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.g4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{margin:0 0 6px}.muted{color:var(--muted)}.tiny{font-size:12px}
section{padding:40px 0}section h2{text-align:center;font-size:30px;margin:0 0 24px}
.price{font-size:38px;font-weight:800}.price span{font-size:15px;color:var(--muted);font-weight:500}
.plan.featured{border:2px solid var(--brand);box-shadow:0 10px 30px rgba(47,109,246,.12)}
.plan ul{padding-left:18px;margin:14px 0 20px}.plan li{margin:4px 0}
.badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:99px;background:#e7efff;color:var(--brand);text-transform:uppercase;letter-spacing:.04em}
.badge.green{background:#e6fcf5;color:#0ca678}.badge.warn{background:#fff4e6;color:#e8590c}.badge.gray{background:#f1f3f5;color:#495057}
footer{border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:13px;margin-top:30px}
footer a{color:var(--muted);margin-right:14px}
.form{max-width:420px;margin:40px auto}.form label{display:block;font-weight:600;font-size:13px;margin:12px 0 4px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
textarea{min-height:110px;resize:vertical}input:focus,select:focus,textarea:focus{outline:2px solid #bcd0ff;border-color:var(--brand)}
.check{display:flex;gap:8px;align-items:flex-start;font-size:13px;margin:14px 0}.check input{width:auto;margin-top:3px}
.err{color:var(--bad);font-size:14px;min-height:20px;margin-top:10px}.ok{color:#0ca678}
/* App shell */
.app{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.side{background:var(--dark);color:#cfd6e6;padding:18px 12px;display:flex;flex-direction:column;gap:4px}
.side .logo{color:#fff;padding:4px 10px 16px}
.side button{all:unset;cursor:pointer;padding:9px 12px;border-radius:9px;display:flex;justify-content:space-between;align-items:center;font-size:14px}
.side button:hover{background:#1c2338}.side button.active{background:#24304f;color:#fff}
.side .lock{font-size:10px;background:#323c5c;color:#aab4d4;padding:1px 6px;border-radius:99px}
.side .spacer{flex:1}
.main{padding:24px 30px;max-width:1150px}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:12px;flex-wrap:wrap}
.topbar h1{margin:0;font-size:24px}
.stat .n{font-size:28px;font-weight:800}.stat .l{color:var(--muted);font-size:13px}
.banner{padding:10px 14px;border-radius:10px;font-size:14px;margin-bottom:14px}
.banner.demo{background:#fff4e6;border:1px solid #ffd8a8}.banner.info{background:#e7efff;border:1px solid #bcd0ff}.banner.bad{background:#fff5f5;border:1px solid #ffc9c9}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}th{background:#fafbfd;font-size:12px;text-transform:uppercase;color:var(--muted);letter-spacing:.04em}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.row>*{flex:1;min-width:140px}.row .btn{flex:0 0 auto}
.chat{display:flex;flex-direction:column;gap:10px;min-height:300px;max-height:56vh;overflow:auto;padding:6px}
.msg{padding:10px 14px;border-radius:12px;max-width:80%;white-space:pre-wrap}.msg.user{background:var(--brand);color:#fff;align-self:flex-end}.msg.ai{background:#fff;border:1px solid var(--line);align-self:flex-start}
.out{white-space:pre-wrap;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;min-height:80px}
.bars{display:flex;align-items:flex-end;gap:8px;height:160px;padding:10px 0}.bars .b{flex:1;background:linear-gradient(180deg,var(--brand),#6f9bff);border-radius:6px 6px 0 0;min-height:2px;position:relative}
.bars .b span{position:absolute;top:-18px;left:0;right:0;text-align:center;font-size:11px;color:var(--muted)}
.hbar{height:10px;background:#e9ecf5;border-radius:99px;overflow:hidden}.hbar i{display:block;height:100%;background:var(--brand2)}
.locked{text-align:center;padding:50px 20px}.locked h2{margin:8px 0}
.hidden{display:none!important}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}.tabs button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:6px 12px;cursor:pointer;font:inherit;font-size:13px}.tabs button.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.legal{max-width:820px;margin:0 auto;padding:20px}.legal h1{margin-top:10px}.legal h2{font-size:19px;margin-top:28px}
.template-note{background:#fff4e6;border:1px solid #ffd8a8;padding:12px 14px;border-radius:10px;font-size:14px}
@media (max-width:760px){.app{grid-template-columns:1fr}.side{flex-direction:row;overflow-x:auto;padding:8px}.side .logo,.side .spacer{display:none}.main{padding:16px}.hero h1{font-size:34px}}
#pricing-note{text-align:center}