:root{--bg:#fafaf9;--panel:#fff;--text:#0c0a09;--muted:#78716c;--line:#e5e7eb;--accent:#111827;--accent-strong:#111827}*{box-sizing:border-box}html{font-family:Hiragino Sans,Yu Gothic,sans-serif}body{min-height:100vh;color:var(--text);background:var(--bg);margin:0}.page{max-width:960px;margin:0 auto;padding:64px 24px 96px}.page-embed{width:100%;max-width:none;height:100dvh;margin:0;padding:0;overflow:hidden}.chat-shell{gap:24px;display:grid}body:has(.chat-shell-embedded){height:100dvh;min-height:0;overflow:hidden}.chat-shell-embedded{flex-direction:column;height:100dvh;display:flex;overflow:hidden}.chat-shell-embedded .chat-panel{border:none;border-radius:0;flex-direction:column;flex:1;gap:0;min-height:0;padding:12px 14px;display:flex;overflow:hidden}.chat-shell-embedded .chat-header{border-bottom:1px solid var(--line);flex-shrink:0;margin-bottom:12px;padding-bottom:12px}.chat-shell-embedded .messages{overscroll-behavior:contain;flex:1;min-height:0;margin-top:0;padding:10px;overflow-y:auto}.chat-shell-embedded .composer{border-top:1px solid var(--line);flex-shrink:0;margin-top:10px;padding-top:10px}.chat-shell-embedded .composer textarea{resize:none;min-height:44px;max-height:72px}.hero{padding:48px 0 32px}.eyebrow{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin:0 0 12px;font-size:.74rem;font-weight:700}h1{letter-spacing:-.05em;max-width:12ch;margin:0;font-size:clamp(2.8rem,7vw,5.6rem);line-height:.95}.lead{max-width:640px;color:var(--muted);margin:20px 0 0;font-size:1.1rem;line-height:1.7}.lead-link{margin:18px 0 0}.lead-link a{color:var(--accent-strong);font-weight:700;text-decoration:none}.chat-panel{background:var(--panel);border:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:24px;padding:24px}.chat-header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.chat-header h2{margin:0;font-size:1.25rem}.chat-header p{color:var(--muted);margin:8px 0 0}.tenant-badge{color:var(--text);background:#0f172a0a;border-radius:999px;padding:6px 10px;font-size:.8rem;font-weight:600;display:inline-flex}.chat-welcome{background:#fafaf9;border:1px solid #0f172a0f;border-radius:12px;align-self:flex-start;max-width:88%;padding:12px 14px}.chat-welcome-text{color:var(--text);margin:0;font-size:.9rem;line-height:1.6}.suggestions{flex-wrap:wrap;gap:10px;margin-top:20px;display:flex}.suggestion{color:var(--text);cursor:pointer;background:#fff;border:1px solid #0f172a1a;border-radius:999px;padding:8px 12px}.suggestion-inline{background:#0f172a08}.messages{border:1px solid var(--line);background:#fff;border-radius:14px;flex-direction:column;gap:14px;min-height:320px;margin-top:12px;padding:14px;display:flex}.message{border-radius:12px;max-width:78%;padding:12px 14px}.message p{margin:0;line-height:1.7}.message-user{background:var(--accent);color:#fff;align-self:flex-end}.message-assistant{background:#fafaf9;border:1px solid #0f172a0f;align-self:flex-start}.message-meta,.message-suggestion-list{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.message-followup{margin-top:12px}.message-followup-label{color:var(--muted);font-size:.78rem;font-weight:600;display:block}.citation,.escalation-link{border-radius:999px;align-items:center;padding:7px 10px;font-size:.8rem;display:inline-flex}.citation{color:var(--muted);background:#0f172a0a;border:1px solid #0f172a0f}.escalation-link{color:var(--text);background:#0f172a0a;font-weight:600;text-decoration:none}.composer{margin-top:18px}.composer textarea{border:1px solid var(--line);width:100%;color:var(--text);resize:vertical;font:inherit;background:#fff;border-radius:12px;padding:12px}.composer-actions{justify-content:space-between;align-items:center;gap:16px;margin-top:12px;display:flex}.status{color:var(--muted);font-size:.9rem}.composer button,.feedback-actions button{background:var(--accent-strong);color:#fff;cursor:pointer;border:0;border-radius:10px;padding:10px 18px;font-weight:700}.feedback-link{min-height:40px}.composer button:disabled,.feedback-actions button:disabled,.suggestion:disabled{opacity:.5;cursor:default}.feedback{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;padding-top:18px;display:flex}.feedback-actions{gap:10px;display:flex}.feedback-result,.error{width:100%;color:var(--muted);margin:0;font-size:.92rem}.error{color:#b42318}@media (max-width:640px){.page{padding:32px 16px 72px}.page-embed{margin:0;padding:0}.hero{padding-top:24px}.chat-panel{border-radius:20px;padding:18px}.chat-header,.composer-actions,.feedback{flex-direction:column;align-items:stretch}.message{max-width:100%}.feedback-actions,.feedback-actions button,.composer button{width:100%}}