@import "https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap";
:root{--brand-red:#d42027;--brand-blue:#0a94d6;--brand-yellow:#ffe516;--brand-red-dark:#b01a20;--brand-blue-dark:#1087bf;--brand-blue-light:#3bb0e8;--brand-green:#4cad74;--font-family:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--header-height:72px;--input-height:80px;--max-width:900px;--border-radius:16px;--border-radius-sm:10px;--border-radius-xs:6px;--transition:all .3s cubic-bezier(.4,0,.2,1);--transition-fast:all .15s ease}[data-theme=light]{--bg-primary:#f5f7fa;--bg-secondary:#fff;--bg-tertiary:#edf1f7;--bg-header:linear-gradient(135deg,#0a94d6 0%,#1087bf 100%);--bg-header-solid:#0a94d6;--bg-input:#fff;--bg-user-bubble:linear-gradient(135deg,#0a94d6 0%,#1087bf 100%);--bg-ai-bubble:#fff;--bg-chip:#0a94d612;--bg-chip-hover:#0a94d624;--bg-welcome:#fffc;--text-primary:#1a1a2e;--text-secondary:#4a5568;--text-tertiary:#718096;--text-header:#fff;--text-user:#fff;--text-ai:#1a1a2e;--text-chip:#0a94d6;--text-input:#1a1a2e;--border-color:#00000014;--border-input:#0000001f;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 8px 30px #0000001f;--shadow-bubble:0 2px 8px #0000000f;--accent-glow:#0a94d633;--scrollbar-thumb:#00000026;--scrollbar-track:transparent}[data-theme=dark]{--bg-primary:#0c1220;--bg-secondary:#141e30;--bg-tertiary:#1e2d42;--bg-header:linear-gradient(135deg,#0a94d6 0%,#1087bf 100%);--bg-header-solid:#0a94d6;--bg-input:#141e30;--bg-user-bubble:linear-gradient(135deg,#0a94d6 0%,#1087bf 100%);--bg-ai-bubble:#1e2d42;--bg-chip:#0a94d61f;--bg-chip-hover:#0a94d638;--bg-welcome:#141e30d9;--text-primary:#e2e8f0;--text-secondary:#a0aec0;--text-tertiary:#718096;--text-header:#fff;--text-user:#fff;--text-ai:#e2e8f0;--text-chip:#3bb0e8;--text-input:#e2e8f0;--border-color:#ffffff0f;--border-input:#ffffff1a;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 30px #00000080;--shadow-bubble:0 2px 8px #0000004d;--accent-glow:#0a94d633;--scrollbar-thumb:#ffffff26;--scrollbar-track:transparent}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);transition:var(--transition);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--brand-blue)}.app-container{flex-direction:column;max-width:100%;height:100vh;display:flex;overflow:hidden}.header{height:var(--header-height);background:var(--bg-header);border-bottom:1px solid var(--border-color);-webkit-backdrop-filter:blur(20px);z-index:100;flex-shrink:0;justify-content:space-between;align-items:center;padding:0 24px;display:flex}.header-left{align-items:center;gap:14px;display:flex}.header-logo{object-fit:contain;width:auto;height:48px;transition:var(--transition);border-radius:8px}.header-logo:hover{transform:scale(1.05)}.header-text{flex-direction:column;display:flex}.header-title{color:var(--text-header);letter-spacing:-.01em;font-size:1.15rem;font-weight:700;line-height:1.2}.header-subtitle{color:#ffffffb3;margin-top:1px;font-size:.72rem;font-weight:400}.header-right{align-items:center;gap:10px;display:flex}.widget{border-radius:var(--border-radius-xs);-webkit-backdrop-filter:blur(10px);transition:var(--transition);background:#ffffff1a;border:1px solid #ffffff1a;align-items:center;gap:5px;padding:6px 12px;display:flex}.widget:hover{background:#ffffff2e}.widget-icon{font-size:.85rem}.widget-value{color:#ffffffe6;font-variant-numeric:tabular-nums;font-size:.78rem;font-weight:500}.language-select{color:#ffffffe6;font-family:var(--font-family);cursor:pointer;background:0 0;border:none;outline:none;padding:0;font-size:.78rem;font-weight:500}.language-select option{background:var(--bg-secondary);color:var(--text-primary)}.theme-toggle{cursor:pointer;width:36px;height:36px;transition:var(--transition);-webkit-backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #ffffff1a;border-radius:50%;justify-content:center;align-items:center;font-size:1.1rem;display:flex}.theme-toggle:hover{background:#fff3;transform:rotate(20deg)scale(1.1)}.chat-area{scroll-behavior:smooth;flex:1;padding:24px;overflow:hidden auto}.welcome-container{text-align:center;flex-direction:column;justify-content:center;align-items:center;max-width:680px;margin:0 auto;padding:60px 20px 40px;animation:.6s fadeInUp;display:flex}.welcome-icon{margin-bottom:16px;font-size:4rem;animation:3s ease-in-out infinite float}.welcome-greeting{color:var(--text-primary);background:linear-gradient(135deg,var(--brand-blue),var(--brand-blue-light));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:10px;font-size:1.8rem;font-weight:700}.welcome-message{color:var(--text-secondary);max-width:500px;margin-bottom:36px;font-size:1rem;line-height:1.6}.suggestion-chips{grid-template-columns:repeat(2,1fr);gap:10px;width:100%;max-width:560px;display:grid}.chip{background:var(--bg-chip);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);color:var(--text-chip);font-family:var(--font-family);cursor:pointer;transition:var(--transition);text-align:left;align-items:center;padding:14px 18px;font-size:.85rem;font-weight:500;line-height:1.3;display:flex}.chip:hover{background:var(--bg-chip-hover);border-color:var(--brand-blue);box-shadow:var(--shadow-md);transform:translateY(-2px)}.chip:active{transform:translateY(0)}.messages-container{max-width:var(--max-width);flex-direction:column;gap:20px;margin:0 auto;display:flex}.message{gap:12px;animation:.3s fadeInUp;display:flex}.message.user{flex-direction:row-reverse}.message-avatar{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:1.1rem;display:flex}.message.user .message-avatar{background:var(--brand-blue);border-color:var(--brand-blue)}.message-bubble{border-radius:var(--border-radius);max-width:75%;box-shadow:var(--shadow-bubble);word-wrap:break-word;overflow-wrap:break-word;padding:14px 18px;font-size:.92rem;line-height:1.65}.message.user .message-bubble{background:var(--bg-user-bubble);color:var(--text-user);border-bottom-right-radius:4px}.message.model .message-bubble{background:var(--bg-ai-bubble);color:var(--text-ai);border:1px solid var(--border-color);border-bottom-left-radius:4px}.message.model .message-bubble p{margin-bottom:8px}.message.model .message-bubble p:last-child{margin-bottom:0}.message.model .message-bubble strong{color:var(--brand-blue-light);font-weight:600}.message.model .message-bubble ul,.message.model .message-bubble ol{margin:8px 0;padding-left:20px}.message.model .message-bubble li{margin-bottom:4px}.message.model .message-bubble code{background:var(--bg-tertiary);border-radius:4px;padding:2px 6px;font-size:.85em}.message.model .message-bubble pre{background:var(--bg-tertiary);border-radius:8px;margin:8px 0;padding:12px;overflow-x:auto}.message.model .message-bubble a{color:var(--brand-blue-light);text-decoration:underline}.message.model .message-bubble h1,.message.model .message-bubble h2,.message.model .message-bubble h3,.message.model .message-bubble h4{margin-top:12px;margin-bottom:6px;font-weight:600}.message.model .message-bubble h3{font-size:1.05em}.message.model .message-bubble blockquote{border-left:3px solid var(--brand-blue);color:var(--text-secondary);margin:8px 0;padding-left:12px}.typing-indicator{align-items:center;gap:5px;padding:4px 0;display:flex}.typing-indicator .dot{background:var(--brand-blue);border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite bounce}.typing-indicator .dot:nth-child(2){animation-delay:.2s}.typing-indicator .dot:nth-child(3){animation-delay:.4s}.input-area{background:var(--bg-secondary);border-top:1px solid var(--border-color);flex-shrink:0;padding:12px 24px 16px}.input-container{max-width:var(--max-width);background:var(--bg-input);border:1px solid var(--border-input);border-radius:var(--border-radius);transition:var(--transition);box-shadow:var(--shadow-sm);align-items:flex-end;gap:10px;margin:0 auto;padding:8px 8px 8px 18px;display:flex}.input-container:focus-within{border-color:var(--brand-blue);box-shadow:0 0 0 3px var(--accent-glow)}.chat-input{font-family:var(--font-family);color:var(--text-input);resize:none;background:0 0;border:none;outline:none;flex:1;min-height:24px;max-height:120px;padding:6px 0;font-size:.92rem;line-height:1.5}.chat-input::placeholder{color:var(--text-tertiary)}.send-button{background:linear-gradient(135deg,var(--brand-blue),var(--brand-blue-dark));color:#fff;cursor:pointer;width:40px;height:40px;transition:var(--transition);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.send-button:hover:not(:disabled){transform:scale(1.08);box-shadow:0 4px 15px #0a94d666}.send-button:active:not(:disabled){transform:scale(.95)}.send-button:disabled{opacity:.4;cursor:not-allowed}.input-disclaimer{text-align:center;color:var(--text-tertiary);margin-top:8px;font-size:.7rem;font-weight:400}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes bounce{0%,80%,to{opacity:.5;transform:scale(0)}40%{opacity:1;transform:scale(1)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@media (max-width:768px){.header{height:60px;padding:0 14px}.header-logo{height:38px}.header-title{font-size:.95rem}.header-subtitle{display:none}.header-right{gap:6px}.widget{padding:4px 8px}.clock-widget,.weather-widget{display:none}.widget-value{font-size:.72rem}.theme-toggle{width:32px;height:32px;font-size:.95rem}.chat-area{padding:16px}.welcome-container{padding:30px 16px 24px}.welcome-icon{font-size:3rem}.welcome-greeting{font-size:1.4rem}.welcome-message{font-size:.9rem}.suggestion-chips{grid-template-columns:1fr;gap:8px}.chip{padding:12px 14px;font-size:.82rem}.message-bubble{max-width:85%;padding:12px 14px;font-size:.88rem}.message-avatar{width:30px;height:30px;font-size:.9rem}.input-area{padding:10px 14px 14px}.input-container{padding:6px 6px 6px 14px}.send-button{width:36px;height:36px}}@media (max-width:480px){.header-left{gap:8px}.header-logo{height:32px}.language-widget{display:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}:focus-visible{outline:2px solid var(--brand-blue);outline-offset:2px}