*{box-sizing:border-box}
:root{--bg:#f7f9ff;--panel:#fff;--soft:#f8fbff;--line:#d9e3f4;--text:#11284a;--muted:#647c9e;--primary:#325dff;--secondary:#6e6bff;--teal:#19c8b3;--coral:#ff8c68}
body{margin:0;font-family:Arial,"Segoe UI",Tahoma,sans-serif;background:linear-gradient(180deg,#fbfcff,#eef4ff);color:var(--text);display:flex;min-height:100vh}
aside{width:290px;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-left:1px solid var(--line);padding:18px;position:fixed;top:0;bottom:0;right:0;overflow:auto;box-shadow:0 12px 40px rgba(50,93,255,.06)}
main{margin-right:290px;width:calc(100% - 290px);padding:20px}.brand{padding:18px;background:linear-gradient(135deg,#325dff,#6e6bff);border-radius:22px;text-align:center;color:#fff;box-shadow:0 18px 40px rgba(50,93,255,.18)}.brand h1{margin:0;font-size:26px}.brand p{font-size:13px;opacity:.92}
.nav{display:block;width:100%;padding:13px 14px;margin:8px 0;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--muted);text-align:right;cursor:pointer;font-weight:700}.nav.active,.nav:hover{background:linear-gradient(135deg,rgba(25,200,179,.10),rgba(50,93,255,.08));color:var(--text)}
.hero{background:linear-gradient(135deg,#ffffff,#f5f8ff);border:1px solid var(--line);border-radius:28px;padding:24px;margin-bottom:18px;box-shadow:0 18px 50px rgba(50,93,255,.08)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:center}.hero h2{font-size:40px;line-height:1.15;margin:0 0 10px}.hero .accent{background:linear-gradient(135deg,var(--teal),var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{color:var(--muted);line-height:1.85;font-size:17px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.hero-actions a,.hero-actions button{padding:12px 16px;border:0;border-radius:14px;font-weight:800;text-decoration:none}.hero-actions .primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff}.hero-actions .secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
.hero-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}.hero-metric{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px}.hero-metric strong{display:block;font-size:24px;margin-top:6px}
.hero-visual{background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:0 18px 40px rgba(50,93,255,.06)}.visual-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.kpi{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:12px}.kpi strong{display:block;font-size:24px;margin-top:6px}
header{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;margin-bottom:16px;box-shadow:0 12px 30px rgba(50,93,255,.04)}.toprow{display:grid;grid-template-columns:1fr 1fr 2fr auto;gap:8px}
input,textarea{width:100%;background:#fff;color:var(--text);border:1px solid #c8d6ee;border-radius:12px;padding:12px;margin:4px 0}textarea{min-height:80px}
button{background:linear-gradient(135deg,#325dff,#6e6bff);color:white;border:0;border-radius:12px;padding:10px 14px;margin:5px;cursor:pointer;font-weight:800}button:hover{opacity:.95}
.tab{display:none;background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 18px 40px rgba(50,93,255,.05)}.tab.active{display:block}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:14px}.formgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
pre{direction:ltr;text-align:left;white-space:pre-wrap;background:#11234a;border:1px solid #1d3770;color:#dbe8ff;border-radius:16px;padding:14px;max-height:540px;overflow:auto}
.warning,.note{color:#8d533f;background:rgba(255,140,104,.08);border:1px solid rgba(255,140,104,.18);padding:12px;border-radius:14px}.quick{margin-bottom:10px}
#chatMessages{background:#f8fbff;border:1px solid var(--line);border-radius:14px;padding:12px;min-height:360px;max-height:520px;overflow:auto;margin-bottom:10px}.msg{white-space:pre-wrap;padding:10px;margin:8px;border-radius:12px}.user{background:#e8efff}.assistant{background:#eafbf6}.meta{font-size:12px;color:#6f86aa;direction:ltr;text-align:left}.chatrow{display:flex;gap:10px}.chatrow textarea{flex:1;min-height:75px}
.variant-card{background:#f8fbff;border:1px solid var(--line);border-radius:14px;padding:12px;margin:10px 0}.badge{display:inline-block;background:#eef4ff;padding:4px 8px;border-radius:999px;margin:2px;font-size:12px;color:var(--text)}.language-floating{display:none}
@media (max-width:1100px){aside{position:relative;width:100%;border-left:0;border-bottom:1px solid var(--line)}body{display:block}main{margin-right:0;width:100%}.hero-grid{grid-template-columns:1fr}.hero-metrics,.visual-grid{grid-template-columns:repeat(2,1fr)}.toprow{grid-template-columns:1fr}}