@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap";
:root{--primary:#0f172a;--secondary:#1e293b;--accent:#3b82f6;--accent-hover:#2563eb;--accent-light:#60a5fa;--accent-glow:#3b82f626;--bg:#f0f4f8;--surface:#fff;--surface-alt:#f8fafc;--text-primary:#0f172a;--text-secondary:#64748b;--text-muted:#94a3b8;--border:#e2e8f0;--border-focus:#3b82f666;--glass-bg:#ffffffb8;--glass-border:#fff6;--glass-shadow:0 8px 32px #0000000f;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-pill:9999px;--shadow-sm:0 1px 3px #0000000a;--shadow-md:0 4px 12px #0000000f;--shadow-lg:0 12px 40px #00000014;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-display:"Outfit", "Inter", sans-serif;--transition:.2s cubic-bezier(.4, 0, .2, 1);--transition-slow:.4s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg:#0c1222;--surface:#1a2332;--surface-alt:#141e2e;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--border:#1e2d3d;--border-focus:#3b82f680;--glass-bg:#1a2332bf;--glass-border:#ffffff0f;--glass-shadow:0 8px 32px #0000004d;--shadow-sm:0 1px 3px #0003;--shadow-md:0 4px 12px #00000040;--shadow-lg:0 12px 40px #00000059}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background:var(--bg);color:var(--text-primary);transition:background var(--transition-slow), color var(--transition-slow);min-height:100dvh;overflow:hidden}::selection{background:var(--accent);color:#fff}.bot-container{flex-direction:column;width:100%;max-width:960px;height:100dvh;margin:0 auto;display:flex;position:relative}.header{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--glass-border);box-shadow:var(--shadow-sm);z-index:10;justify-content:space-between;align-items:center;gap:.75rem;padding:.75rem 1.5rem;display:flex}.header-left{align-items:center;gap:.75rem;min-width:0;display:flex}.header-logo{flex-shrink:0;width:auto;height:28px}.header-divider{background:var(--border);flex-shrink:0;width:1px;height:28px}.header-title-group{flex-direction:column;min-width:0;display:flex}.header-title{font-family:var(--font-display);letter-spacing:.02em;white-space:nowrap;text-overflow:ellipsis;font-size:.85rem;font-weight:600;overflow:hidden}.header-status{color:#10b981;align-items:center;gap:6px;font-size:.72rem;font-weight:500;display:flex}.status-dot{background:#10b981;border-radius:50%;width:7px;height:7px;animation:2s ease-in-out infinite pulse-dot}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}.header-actions{flex-shrink:0;align-items:center;gap:.5rem;display:flex}.icon-btn{cursor:pointer;color:var(--text-secondary);border-radius:var(--radius-sm);width:36px;height:36px;transition:all var(--transition);background:0 0;border:none;justify-content:center;align-items:center;font-size:1.1rem;display:flex}.icon-btn:hover{background:var(--accent-glow);color:var(--accent)}.icon-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.lang-select{border:1px solid var(--border);color:var(--text-primary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);appearance:none;background:0 0;padding:.35rem .6rem;font-family:inherit;font-size:.8rem}.lang-select:hover{border-color:var(--accent)}.lang-select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.lang-select option{background:var(--surface);color:var(--text-primary)}.info-strip{background:var(--surface-alt);border-bottom:1px solid var(--border);color:var(--text-secondary);flex-wrap:wrap;justify-content:center;align-items:center;gap:.75rem;padding:.5rem 1.5rem;font-size:.75rem;display:flex}.info-strip-dot{color:var(--border)}.info-strip a{color:var(--accent);transition:color var(--transition);font-weight:500;text-decoration:none}.info-strip a:hover{color:var(--accent-hover);text-decoration:underline}.chat-panel{scroll-behavior:smooth;overscroll-behavior:contain;flex-direction:column;flex:1;gap:1rem;padding:1.5rem;display:flex;overflow-y:auto}.chat-panel::-webkit-scrollbar{width:5px}.chat-panel::-webkit-scrollbar-track{background:0 0}.chat-panel::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-pill)}.welcome-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius-xl);text-align:center;box-shadow:var(--glass-shadow);max-width:520px;margin:auto;padding:2rem;animation:.5s ease-out fadeSlideUp}.welcome-icon{margin-bottom:.75rem;font-size:2.5rem}.welcome-title{font-family:var(--font-display);background:linear-gradient(135deg, var(--accent), var(--accent-light));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:.4rem;font-size:1.25rem;font-weight:700}.welcome-subtitle{color:var(--text-secondary);margin-bottom:1.5rem;font-size:.88rem;line-height:1.5}.suggestion-chips{flex-wrap:wrap;justify-content:center;gap:.5rem;display:flex}.chip{background:var(--surface);border:1px solid var(--border);color:var(--text-primary);border-radius:var(--radius-pill);cursor:pointer;transition:all var(--transition);white-space:nowrap;padding:.5rem 1rem;font-family:inherit;font-size:.8rem}.chip:hover{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 4px 12px var(--accent-glow);transform:translateY(-1px)}.chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.chat-bubble{border-radius:var(--radius-lg);max-width:80%;padding:.875rem 1.125rem;font-size:.9rem;line-height:1.6;animation:.3s ease-out fadeSlideUp;position:relative}.chat-bubble-assistant{background:var(--surface);color:var(--text-primary);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-bottom-left-radius:4px;align-self:flex-start}.chat-bubble-user{background:linear-gradient(135deg, var(--accent), var(--accent-hover));color:#fff;box-shadow:0 4px 16px var(--accent-glow);border-bottom-right-radius:4px;align-self:flex-end}.chat-bubble p{margin-bottom:.5rem}.chat-bubble p:last-child{margin-bottom:0}.chat-bubble ul,.chat-bubble ol{margin-bottom:.5rem;margin-left:1.25rem}.chat-bubble li{margin-bottom:.25rem}.chat-bubble strong{font-weight:600}.chat-bubble code{background:#0000000f;border-radius:4px;padding:.15rem .4rem;font-size:.85em}[data-theme=dark] .chat-bubble code{background:#ffffff14}.chat-bubble a{color:var(--accent-light);text-underline-offset:2px;text-decoration:underline}.chat-bubble table{border-collapse:collapse;width:100%;margin:.5rem 0;font-size:.85rem}.chat-bubble th,.chat-bubble td{border:1px solid var(--border);text-align:left;padding:.4rem .6rem}.chat-bubble th{background:var(--surface-alt);font-weight:600}.bubble-timestamp{color:var(--text-muted);margin-top:.35rem;font-size:.65rem;display:block}.chat-bubble-user .bubble-timestamp{color:#fff9;text-align:right}.bubble-source{color:var(--text-muted);border-top:1px solid var(--border);margin-top:.5rem;padding-top:.4rem;font-size:.7rem}.typing-dots{align-items:center;gap:5px;padding:.25rem 0;display:flex}.typing-dot{background:var(--text-muted);border-radius:50%;width:7px;height:7px;animation:1.4s ease-in-out infinite both typingBounce}.typing-dot:first-child{animation-delay:-.32s}.typing-dot:nth-child(2){animation-delay:-.16s}@keyframes typingBounce{0%,80%,to{opacity:.4;transform:scale(.4)}40%{opacity:1;transform:scale(1)}}.input-dock{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--glass-border);z-index:10;padding:1rem 1.5rem;position:sticky;bottom:0}.input-container{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:all var(--transition);align-items:flex-end;gap:.5rem;padding:.5rem .75rem;display:flex}.input-container:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow), var(--shadow-md)}.chat-textarea{color:var(--text-primary);resize:none;background:0 0;border:none;flex:1;min-height:24px;max-height:120px;padding:.5rem 0;font-family:inherit;font-size:.92rem;line-height:1.5;overflow-y:auto}.chat-textarea:focus{outline:none}.chat-textarea::placeholder{color:var(--text-muted)}.send-btn{background:var(--accent);color:#fff;cursor:pointer;width:36px;height:36px;transition:all var(--transition);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.send-btn:hover:not(:disabled){background:var(--accent-hover);transform:scale(1.05)}.send-btn:disabled{background:var(--border);cursor:not-allowed;transform:none}.send-btn svg{width:18px;height:18px}.disclaimer{text-align:center;color:var(--text-muted);margin-top:.6rem;font-size:.7rem;line-height:1.4}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media (max-width:640px){.header{padding:.6rem 1rem}.header-title{font-size:.78rem}.header-status{font-size:.65rem}.chat-panel{gap:.75rem;padding:1rem}.chat-bubble{max-width:88%;padding:.75rem 1rem;font-size:.87rem}.input-dock{padding:.75rem 1rem}.welcome-card{margin:1rem;padding:1.5rem}.welcome-title{font-size:1.1rem}.chip{padding:.4rem .75rem;font-size:.75rem}.info-strip{gap:.5rem;padding:.4rem 1rem;font-size:.7rem}.lang-select{padding:.3rem .4rem;font-size:.72rem}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button:focus:not(:focus-visible){outline:none}[data-theme=dark] .chat-panel::-webkit-scrollbar-thumb{background:#334155}