.hd.svelte-6tkz1v{display:flex;flex-direction:column;height:70vh;min-height:400px;max-height:800px;background:var(--surface-card, #fff);border:1px solid var(--border-light, #e5e5e5);border-radius:var(--radius-lg, 12px);overflow:hidden;box-shadow:0 4px 24px #00000014}.hd__header.svelte-6tkz1v{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--color-primary-dark, #002255);color:#fff;flex-shrink:0}.hd__header-left.svelte-6tkz1v{display:flex;align-items:center;gap:10px}.hd__header-right.svelte-6tkz1v{display:flex;align-items:center;gap:8px}.hd__logo.svelte-6tkz1v{width:32px;height:32px;border-radius:50%}.hd__title.svelte-6tkz1v{margin:0;font-size:1rem;font-weight:700;color:#fff}.hd__subtitle.svelte-6tkz1v{margin:0;font-size:.7rem;color:#ffffffb3}.hd__user.svelte-6tkz1v{font-size:.7rem;color:#fffc}.hd__btn-text.svelte-6tkz1v{background:none;border:none;color:#fffc;cursor:pointer;font-size:.7rem;text-decoration:underline;padding:2px 4px}.hd__btn-text.svelte-6tkz1v:hover{color:#fff}.hd__btn-icon.svelte-6tkz1v{background:#ffffff26;border:none;color:#fff;width:28px;height:28px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center}.hd__btn-icon.svelte-6tkz1v:hover{background:#ffffff40}.hd__messages.svelte-6tkz1v{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.hd__welcome.svelte-6tkz1v{display:flex;flex-direction:column;align-items:center;text-align:center;padding:32px 16px;gap:12px}.hd__welcome-logo.svelte-6tkz1v{width:48px;height:48px;opacity:.6}.hd__welcome-text.svelte-6tkz1v{color:var(--text-secondary, #666);font-size:.9rem;margin:0}.hd__suggestions.svelte-6tkz1v{display:flex;flex-direction:column;align-items:center;gap:6px;margin-top:8px;width:100%;max-width:500px}.hd__suggestions-label.svelte-6tkz1v{font-size:.7rem;color:var(--text-muted, #999);margin:0 0 4px}.hd__suggestion.svelte-6tkz1v{background:var(--surface-body, #f5f5f5);border:1px solid var(--border-light, #e5e5e5);border-radius:20px;padding:8px 16px;font-size:.8rem;color:var(--text-primary, #333);cursor:pointer;transition:all .15s;width:100%;text-align:left}.hd__suggestion.svelte-6tkz1v:hover{background:var(--color-primary, #003473);color:#fff;border-color:var(--color-primary, #003473)}.hd__msg.svelte-6tkz1v{display:flex;gap:8px;max-width:85%}.hd__msg--user.svelte-6tkz1v{align-self:flex-end;flex-direction:row-reverse}.hd__msg--model.svelte-6tkz1v{align-self:flex-start}.hd__msg-avatar.svelte-6tkz1v{width:28px;height:28px;border-radius:50%;overflow:hidden;flex-shrink:0;background:var(--color-primary, #003473);display:flex;align-items:center;justify-content:center}.hd__msg-avatar.svelte-6tkz1v img:where(.svelte-6tkz1v){width:28px;height:28px;object-fit:cover}.hd__msg-bubble.svelte-6tkz1v{padding:10px 14px;border-radius:12px;font-size:.85rem;line-height:1.5;position:relative;word-break:break-word}.hd__msg-bubble--user.svelte-6tkz1v{background:var(--color-primary, #003473);color:#fff;border-bottom-right-radius:4px}.hd__msg-bubble--model.svelte-6tkz1v{background:var(--surface-body, #f5f5f5);color:var(--text-primary, #333);border-bottom-left-radius:4px}.hd__msg-copy.svelte-6tkz1v{position:absolute;bottom:2px;right:6px;background:none;border:none;font-size:.6rem;color:var(--text-muted, #999);cursor:pointer;padding:2px 4px}.hd__msg-copy.svelte-6tkz1v:hover{color:var(--text-primary, #333)}.hd__typing.svelte-6tkz1v{color:var(--text-muted, #999);font-style:italic}.hd__error.svelte-6tkz1v{text-align:center;color:#e53e3e;font-size:.8rem;padding:8px;background:#fff5f5;border-radius:8px}.hd-h3{font-size:.95rem;font-weight:700;margin:12px 0 4px;color:var(--color-primary, #003473)}.hd-h4{font-size:.88rem;font-weight:700;margin:10px 0 4px;color:var(--text-primary, #333)}.hd-list{margin:4px 0;padding-left:20px;list-style:disc}.hd-list li{margin:3px 0;line-height:1.5}[data-theme=dark] .hd-h3{color:var(--color-accent-light, #a5d940)}[data-theme=dark] .hd-h4{color:#e8e8ed}.hd-video-embed{margin:8px 0;border-radius:8px;overflow:hidden;position:relative;padding-bottom:56.25%;height:0}.hd-video-embed iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.hd-video-title{font-size:.75rem;margin:4px 0 0;color:var(--text-muted, #999)}.hd-faq-link,.hd-guide-link{display:inline-block;padding:4px 10px;background:var(--color-primary, #003473);color:#fff!important;border-radius:14px;font-size:.75rem;text-decoration:none;margin:2px 0}.hd-faq-link:hover,.hd-guide-link:hover{opacity:.9}.hd-escalation{color:var(--color-primary, #003473)!important;font-weight:600;text-decoration:underline}.hd__input-area.svelte-6tkz1v{border-top:1px solid var(--border-light, #e5e5e5);padding:8px 12px 12px;flex-shrink:0;background:var(--surface-card, #fff)}.hd__footer-meta.svelte-6tkz1v{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;margin-bottom:6px;font-size:.6rem;color:var(--text-muted, #999)}.hd__disclaimer.svelte-6tkz1v{flex:0 0 100%;line-height:1.4}.hd__usage.svelte-6tkz1v{font-weight:600}.hd__upgrade.svelte-6tkz1v{font-size:.6rem}.hd__input-row.svelte-6tkz1v{display:flex;gap:8px;align-items:flex-end}.hd__input.svelte-6tkz1v{flex:1;padding:10px 12px;border:1px solid var(--border-light, #e5e5e5);border-radius:20px;font-size:.85rem;font-family:inherit;resize:none;background:var(--surface-body, #f5f5f5);color:var(--text-primary, #333);outline:none;min-height:40px;max-height:120px}.hd__input.svelte-6tkz1v:focus{border-color:var(--color-primary, #003473)}.hd__send.svelte-6tkz1v{width:40px;height:40px;border-radius:50%;background:var(--color-primary, #003473);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:opacity .15s}.hd__send.svelte-6tkz1v:disabled{opacity:.4;cursor:not-allowed}.hd__send.svelte-6tkz1v:not(:disabled):hover{opacity:.9}.hd__rate-limit.svelte-6tkz1v{text-align:center;padding:12px;color:var(--text-secondary, #666);font-size:.85rem}.hd__rate-limit.svelte-6tkz1v p:where(.svelte-6tkz1v){margin:0 0 4px}.hd__rate-limit-sub.svelte-6tkz1v{font-size:.75rem;color:var(--text-muted, #999)}.hd__auth-overlay.svelte-6tkz1v{position:absolute;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:10}.hd__auth-card.svelte-6tkz1v{background:var(--surface-card, #fff);border-radius:12px;padding:24px;width:90%;max-width:360px;position:relative}.hd__auth-card.svelte-6tkz1v h3:where(.svelte-6tkz1v){margin:0 0 16px;text-align:center}.hd__auth-close.svelte-6tkz1v{position:absolute;top:8px;right:8px;background:none;border:none;cursor:pointer;color:var(--text-muted)}.hd__auth-google.svelte-6tkz1v{width:100%;padding:10px;background:#fff;border:1px solid var(--border-light, #e5e5e5);border-radius:8px;cursor:pointer;font-size:.85rem}.hd__auth-divider.svelte-6tkz1v{text-align:center;color:var(--text-muted);font-size:.75rem;margin:12px 0}.hd__auth-input.svelte-6tkz1v{width:100%;padding:8px 12px;border:1px solid var(--border-light, #e5e5e5);border-radius:8px;font-size:.85rem;margin-bottom:8px;box-sizing:border-box;background:var(--surface-body, #f5f5f5);color:var(--text-primary, #333)}.hd__auth-submit.svelte-6tkz1v{width:100%;padding:10px;background:var(--color-primary, #003473);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:.85rem}.hd__auth-error.svelte-6tkz1v{color:#e53e3e;font-size:.75rem;text-align:center;margin:8px 0 0}.hd__auth-toggle.svelte-6tkz1v{display:block;margin:12px auto 0;background:none;border:none;color:var(--color-primary, #003473);cursor:pointer;font-size:.8rem;text-decoration:underline}[data-theme=dark] .hd.svelte-6tkz1v{background:#1b2838;border-color:#ffffff1a}[data-theme=dark] .hd__msg-bubble--model.svelte-6tkz1v{background:#243447;color:#e8e8ed}[data-theme=dark] .hd__input.svelte-6tkz1v{background:#243447;color:#e8e8ed;border-color:#ffffff26}[data-theme=dark] .hd__input-area.svelte-6tkz1v{background:#1b2838;border-color:#ffffff1a}[data-theme=dark] .hd__suggestion.svelte-6tkz1v{background:#243447;color:#e8e8ed;border-color:#ffffff26}[data-theme=dark] .hd__auth-card.svelte-6tkz1v{background:#1b2838;color:#e8e8ed}[data-theme=dark] .hd__auth-input.svelte-6tkz1v,[data-theme=dark] .hd__auth-google.svelte-6tkz1v{background:#243447;color:#e8e8ed;border-color:#ffffff26}[data-theme=dark] .hd__error.svelte-6tkz1v{background:#e53e3e26;color:#fc8181}