:root{color-scheme:dark;--bg:#080b12;--panel:#101621;--panel2:#151d2b;--border:#263246;--text:#f4f7fb;--muted:#9aa8bc;--accent:#8b7cff;--accent2:#5ee7d5;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 15% 0%,rgba(139,124,255,.18),transparent 32rem),radial-gradient(circle at 90% 20%,rgba(94,231,213,.10),transparent 28rem),var(--bg);color:var(--text)}body.light{--bg:#eef2f7;--panel:#fff;--panel2:#f5f7fb;--border:#cbd4e1;--text:#152033;--muted:#5d6b80}button,textarea{font:inherit}.app{width:min(1080px,calc(100% - 28px));margin:auto;padding:28px 0 48px}.topbar,.brand,.chat-header,.composer-bottom{display:flex;align-items:center}.topbar,.chat-header{justify-content:space-between;gap:16px}.brand{gap:12px}.logo{width:48px;height:48px;display:grid;place-items:center;border:1px solid var(--border);border-radius:14px;background:var(--panel);font-size:25px}.logo img{width:100%;height:100%;border-radius:12px}h1,h2,h3,p{margin-top:0}h1{margin-bottom:2px;font-size:20px}.brand p,.eyebrow,.status,.chat-header span,footer,.composer-bottom{color:var(--muted)}.status{padding:8px 11px;border:1px solid var(--border);border-radius:999px;font-size:12px}.dot{display:inline-block;width:7px;height:7px;margin-right:7px;border-radius:50%;background:var(--accent2)}.hero{display:grid;grid-template-columns:1.5fr .8fr;gap:20px;align-items:end;padding:64px 0 28px}.eyebrow{font-size:12px;letter-spacing:.12em}.hero h2{max-width:700px;margin:10px 0;font-size:clamp(34px,6vw,64px);line-height:.98}.hero p,.card p{color:var(--muted);line-height:1.65}.card{border:1px solid var(--border);border-radius:18px;background:rgba(16,22,33,.84);box-shadow:0 18px 60px rgba(0,0,0,.22)}body.light .card{background:rgba(255,255,255,.88)}.stats{display:grid;overflow:hidden}.stats div{padding:17px;background:var(--panel)}.stats span,.stats strong{display:block}.stats span{color:var(--muted);font-size:12px;margin-bottom:5px}.chat{overflow:hidden}.chat-header{padding:17px 19px;border-bottom:1px solid var(--border)}.chat-header strong,.chat-header span{display:block}.chat-header span{font-size:12px;margin-top:3px}button{border:0;border-radius:10px;padding:10px 14px;cursor:pointer;color:#fff;background:var(--accent)}button:hover{filter:brightness(1.08)}button.ghost{background:transparent;border:1px solid var(--border);color:var(--muted)}.messages{min-height:330px;max-height:52vh;overflow:auto;padding:20px}.message{max-width:82%;margin-bottom:14px;padding:12px 14px;border-radius:14px;white-space:pre-wrap;line-height:1.5}.message.user{margin-left:auto;background:#242d3e}.message.bot{margin-right:auto;background:var(--panel2);border:1px solid var(--border)}.message.system{max-width:100%;color:var(--muted);background:transparent;font-size:13px;text-align:center}.composer{padding:16px;border-top:1px solid var(--border);background:var(--panel)}textarea{width:100%;resize:vertical;min-height:58px;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:12px;outline:none;padding:12px}textarea:focus{border-color:var(--accent)}.composer-bottom{justify-content:space-between;margin-top:9px;font-size:12px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}.grid .card{padding:20px}footer{text-align:center;padding:25px 0 0;font-size:12px}.banner{margin-bottom:16px;overflow:hidden}.banner img{display:block;width:100%;height:auto}.toolbar{display:flex;gap:8px;flex-wrap:wrap;padding:12px;margin-bottom:16px}.toolbar button,.import{font-size:12px}.import{padding:10px 14px;border:1px solid var(--border);border-radius:10px;color:var(--muted);cursor:pointer}.import input{display:none}.typing{padding:8px 20px;color:var(--muted);font-size:12px;border-bottom:1px solid var(--border)}code{padding:2px 5px;border-radius:5px;background:var(--bg);color:var(--accent2)}@media(max-width:760px){.hero,.grid{grid-template-columns:1fr}.hero{padding-top:40px}.message{max-width:92%}}