.hs-chat{display:flex;flex-direction:column;height:calc(100vh - 72px);min-height:480px;background:#fff}.hs-chat__head{flex:0 0 auto;border-bottom:1px solid var(--hs-border, #e2e8f0);background:#fff}.hs-chat__head-inner{max-width:820px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}.hs-chat__title-wrap{display:inline-flex;align-items:center;gap:8px}.hs-chat__title-icon{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff}.hs-chat__title-logo{width:28px;height:28px;display:inline-block;object-fit:contain}.hs-chat__title{margin:0;font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--hs-ink, #0f172a)}.hs-chat__connected{display:inline-flex;align-items:center;gap:6px;margin-left:8px;padding:3px 10px;font-size:11px;font-weight:600;color:#166534;background:#dcfce7;border:1px solid #bbf7d0;border-radius:999px}.hs-chat__connected-dot{width:6px;height:6px;border-radius:50%;background:#16a34a;box-shadow:0 0 #16a34a99;animation:hs-chat-dot 1.8s ease-in-out infinite}@keyframes hs-chat-dot{50%{box-shadow:0 0 0 4px #16a34a00}}@media(max-width:720px){.hs-chat__connected{display:none}}.hs-chat__new{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:6px 12px;border-radius:8px;border:1px solid var(--hs-border, #e2e8f0);background:#fff;color:var(--hs-ink, #0f172a);cursor:pointer;transition:background .12s ease,border-color .12s ease}.hs-chat__new:hover:not(:disabled){background:#f8fafc;border-color:#cbd5e1}.hs-chat__new:disabled{opacity:.4;cursor:not-allowed}.hs-chat__head-controls{display:inline-flex;align-items:center;gap:8px}.hs-chat__model{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--hs-text-secondary, #64748b)}.hs-chat__model-label{font-weight:600;text-transform:uppercase;letter-spacing:.05em}.hs-chat__model-select{font-size:13px;font-weight:500;padding:5px 8px;border-radius:8px;border:1px solid var(--hs-border, #e2e8f0);background:#fff;color:var(--hs-ink, #0f172a);cursor:pointer}.hs-chat__model-select:disabled{opacity:.5;cursor:not-allowed}.hs-chat__icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;border:1px solid var(--hs-border, #e2e8f0);background:#fff;color:var(--hs-text-secondary, #64748b);cursor:pointer;transition:background .12s ease,color .12s ease,border-color .12s ease;flex-shrink:0}.hs-chat__icon-btn:hover:not(:disabled){background:#f8fafc;color:var(--hs-ink, #0f172a);border-color:#cbd5e1}.hs-chat__icon-btn.is-active{background:#eff6ff;color:var(--hs-signal-blue, #2563eb);border-color:#bfdbfe}.hs-chat__icon-btn:disabled{opacity:.4;cursor:not-allowed}@media(max-width:600px){.hs-chat__model-label{display:none}}.hs-chat__scroll{flex:1 1 auto;overflow-y:auto;scroll-behavior:smooth}.hs-chat__empty{max-width:820px;margin:0 auto;padding:80px 24px 40px;text-align:center}.hs-chat__empty-icon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;margin-bottom:18px}.hs-chat__empty-icon:has(.hs-chat__empty-logo){background:transparent}.hs-chat__empty-logo{width:56px;height:56px;object-fit:contain}.hs-chat__empty-title{margin:0 0 8px;font-size:clamp(22px,3vw,28px);font-weight:700;letter-spacing:-.02em;color:var(--hs-ink, #0f172a)}.hs-chat__empty-sub{margin:0 0 32px;color:var(--hs-text-secondary, #475569);font-size:15px}.hs-chat__suggestions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:720px;margin:0 auto}.hs-chat__suggestion{text-align:left;background:#fff;border:1px solid var(--hs-border, #e2e8f0);border-radius:12px;padding:14px 16px;cursor:pointer;display:flex;flex-direction:column;gap:2px;transition:background .12s ease,border-color .12s ease,transform 80ms ease}.hs-chat__suggestion:hover{background:#f8fafc;border-color:#cbd5e1}.hs-chat__suggestion:active{transform:translateY(1px)}.hs-chat__suggestion-title{font-size:14px;font-weight:600;color:var(--hs-ink, #0f172a)}.hs-chat__suggestion-sub{font-size:13px;color:var(--hs-text-secondary, #64748b)}@media(max-width:600px){.hs-chat__suggestions{grid-template-columns:1fr}.hs-chat__empty{padding-top:48px}}.hs-chat__messages{max-width:820px;margin:0 auto;padding:24px 20px 40px;display:flex;flex-direction:column;gap:22px}.hs-chat-msg{display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:flex-start}.hs-chat-msg__avatar{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;flex-shrink:0}.hs-chat-msg--user .hs-chat-msg__avatar{background:#e2e8f0;color:#475569}.hs-chat-msg--assistant .hs-chat-msg__avatar{background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff}.hs-chat-msg__body{min-width:0}.hs-chat-msg__role{font-size:12px;font-weight:700;color:var(--hs-text-secondary, #64748b);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}.hs-chat-msg__tools{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 8px}.hs-chat-tool{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;font-size:11px;font-weight:500;color:#475569;background:#f1f5f9;border:1px solid var(--hs-border, #e2e8f0);border-radius:999px}.hs-chat-tool--start{color:#1e40af;background:#eff6ff;border-color:#bfdbfe}.hs-chat-tool--done{color:#166534;background:#dcfce7;border-color:#bbf7d0}.hs-chat-tool--error{color:#991b1b;background:#fee2e2;border-color:#fecaca}.hs-chat-msg__content{color:var(--hs-ink, #0f172a);font-size:15px;word-wrap:break-word;overflow-wrap:anywhere}.hs-chat-msg__content p:last-child,.hs-chat-msg__content ul:last-child,.hs-chat-msg__content ol:last-child{margin-bottom:0}.hs-chat-msg__cursor{display:inline-block;width:8px;height:16px;background:var(--hs-signal-blue, #2563eb);border-radius:2px;animation:hs-chat-cursor 1s steps(2) infinite;vertical-align:middle}@keyframes hs-chat-cursor{50%{opacity:0}}.hs-chat__composer{flex:0 0 auto;border-top:1px solid var(--hs-border, #e2e8f0);background:#fff;padding:14px 16px 18px}.hs-chat__composer-inner{max-width:820px;margin:0 auto}.hs-chat__error{display:inline-flex;align-items:center;gap:6px;background:#fef2f2;color:#991b1b;border:1px solid #fecaca;font-size:13px;padding:6px 10px;border-radius:8px;margin-bottom:10px}.hs-chat__streaming-bar{display:flex;justify-content:center;margin-bottom:8px}.hs-chat__stop{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;border:1px solid var(--hs-border, #e2e8f0);background:#fff;color:var(--hs-ink, #0f172a);cursor:pointer}.hs-chat__stop:hover{background:#f8fafc}.hs-chat__hint{text-align:center;font-size:11px;color:var(--hs-text-secondary, #94a3b8);margin:8px 0 0}.hs-chat__attachments{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}.hs-chat__chip{display:inline-flex;align-items:center;gap:6px;background:#f1f5f9;border:1px solid var(--hs-border, #e2e8f0);border-radius:999px;padding:4px 4px 4px 10px;font-size:12px;color:var(--hs-ink, #0f172a);max-width:280px}.hs-chat__chip-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:160px}.hs-chat__chip-size{color:var(--hs-text-secondary, #64748b);font-size:11px}.hs-chat__chip-remove{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;border:none;background:transparent;color:var(--hs-text-secondary, #64748b);cursor:pointer}.hs-chat__chip-remove:hover{background:#e2e8f0;color:var(--hs-ink, #0f172a)}.hs-chat__composer-box{display:flex;align-items:flex-end;gap:8px;background:#fff;border:1px solid var(--hs-border, #e2e8f0);border-radius:18px;padding:8px;box-shadow:0 1px 2px #0f172a0a,0 1px 3px #0f172a08}.hs-chat__composer-box:focus-within{border-color:#cbd5e1;box-shadow:0 1px 2px #0f172a0f,0 0 0 3px #2563eb14}.hs-chat__textarea{flex:1 1 auto;min-height:32px;max-height:200px;resize:none;border:none;outline:none;background:transparent;font-family:inherit;font-size:16px;line-height:1.5;padding:6px 4px;color:var(--hs-ink, #0f172a)}.hs-chat__textarea::placeholder{color:var(--hs-text-secondary, #94a3b8)}.hs-chat__mic.is-recording{background:#fef2f2;color:#dc2626;border-color:#fecaca;animation:hs-mic-pulse 1.4s ease-out infinite}@keyframes hs-mic-pulse{0%{box-shadow:0 0 #dc262673}70%{box-shadow:0 0 0 8px #dc262600}to{box-shadow:0 0 #dc262600}}.hs-chat__send{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;border:none;background:var(--hs-signal-blue, #2563eb);color:#fff;cursor:pointer;flex-shrink:0;transition:background .12s ease,opacity .12s ease}.hs-chat__send:hover:not(:disabled){background:#1d4ed8}.hs-chat__send:disabled{background:#e2e8f0;color:#94a3b8;cursor:not-allowed}.hs-chat__spin{animation:hs-chat-spin .9s linear infinite}@keyframes hs-chat-spin{to{transform:rotate(360deg)}}