*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:#edf3ff;background:linear-gradient(180deg,#09111f,#111827)}.bg,.overlay{position:fixed;inset:0;pointer-events:none}.bg{background:url('/chat.jpg') center/cover no-repeat;opacity:.18}.overlay{background:radial-gradient(circle at top left,rgba(96,165,250,.18),transparent 30%),radial-gradient(circle at bottom right,rgba(34,197,94,.12),transparent 28%),linear-gradient(rgba(5,10,20,.5),rgba(5,10,20,.78))}.wrap{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:24px}.card{background:rgba(17,24,39,.72);border:1px solid rgba(255,255,255,.09);backdrop-filter:blur(16px);box-shadow:0 20px 60px rgba(0,0,0,.35);border-radius:24px}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;padding:24px}.hero-copy{padding:8px}.eyebrow{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:#7dd3fc;font-weight:700}.hero h1{font-size:clamp(2.3rem,5vw,4.4rem);line-height:1.02;margin:.35rem 0 1rem}.hero p{font-size:1.08rem;line-height:1.65;color:#d1ddf7;max-width:62ch}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 18px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:13px 18px;color:#eef5ff;cursor:pointer;font:inherit}.btn.primary{background:linear-gradient(180deg,#60a5fa,#2563eb);border-color:rgba(147,197,253,.28);font-weight:700}.btn.ghost{background:rgba(255,255,255,.04)}.btn.small{padding:10px 14px}.btn.wide{width:100%}.note{color:#a8bbdf;font-size:.95rem}.note code{background:rgba(255,255,255,.06);padding:2px 6px;border-radius:8px}.hero-side{display:flex}.mini-card{width:100%;padding:18px;border-radius:22px;background:rgba(10,15,25,.72);border:1px solid rgba(255,255,255,.08)}.mini-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.mini-head h2{margin:.4rem 0 0;font-size:1.4rem}.pill{padding:10px 12px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);color:#cfe0ff;white-space:nowrap}.row{display:flex;gap:10px}.guest-row{margin:14px 0}.guest-row input{flex:1}.preview{min-height:260px;max-height:380px;overflow:auto;border-radius:18px;padding:10px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06)}.preview-msg{padding:10px 12px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.05);border-radius:14px;margin-bottom:10px}.preview-name{font-weight:700;color:#dbeafe}.preview-time{font-size:.84rem;color:#9eb2d7;margin-left:8px}.preview-text{margin-top:6px;white-space:pre-wrap;word-break:break-word;color:#eef5ff}.preview-actions{margin-top:12px}input{width:100%;padding:12px 14px;border-radius:14px;border:1px solid rgba(255,255,255,.1);background:rgba(7,11,22,.7);color:#eef5ff;font:inherit}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}.info{padding:18px}.info h3{margin-top:0}.info p{margin-bottom:0;color:#c7d5f2;line-height:1.6}@media(max-width:900px){.hero{grid-template-columns:1fr}.grid{grid-template-columns:1fr}}