*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0a0e1a;--bg-secondary: #111827;--bg-card: rgba(17, 24, 39, .7);--glass: rgba(255, 255, 255, .04);--glass-border: rgba(255, 255, 255, .08);--accent: #6366f1;--accent-glow: rgba(99, 102, 241, .25);--accent-light: #818cf8;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--user-bubble: linear-gradient(135deg, #6366f1, #8b5cf6);--bot-bubble: rgba(30, 41, 59, .8);--success: #10b981;--error: #ef4444;--radius: 16px;--radius-sm: 10px}html,body,#root{height:100%;font-family:Inter,-apple-system,system-ui,sans-serif;background:var(--bg-primary);color:var(--text-primary);overflow:hidden}body:before,body:after{content:"";position:fixed;border-radius:50%;filter:blur(120px);opacity:.3;z-index:0;pointer-events:none}body:before{width:500px;height:500px;background:radial-gradient(circle,#6366f1,transparent 70%);top:-120px;left:-120px}body:after{width:400px;height:400px;background:radial-gradient(circle,#8b5cf6,transparent 70%);bottom:-100px;right:-100px}.app-container{display:flex;flex-direction:column;height:100vh;max-width:820px;margin:0 auto;position:relative;z-index:1}header{display:flex;align-items:center;gap:14px;padding:20px 24px;border-bottom:1px solid var(--glass-border);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:var(--glass)}.logo-icon{width:44px;height:44px;background:var(--user-bubble);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 4px 20px var(--accent-glow)}header .title-group h1{font-size:1.15rem;font-weight:700;letter-spacing:-.02em}header .title-group p{font-size:.78rem;color:var(--text-muted);margin-top:2px}.refresh-btn{margin-left:auto;display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:10px;border:1px solid var(--glass-border);background:var(--glass);color:var(--text-secondary);font-family:inherit;font-size:.8rem;font-weight:500;cursor:pointer;transition:all .25s ease}.refresh-btn svg{width:16px;height:16px}.refresh-btn:hover{background:var(--accent-glow);border-color:var(--accent);color:var(--text-primary);transform:translateY(-1px);box-shadow:0 4px 16px var(--accent-glow)}.refresh-btn:active{transform:translateY(0) scale(.97)}.status-badge{display:flex;align-items:center;gap:6px;font-size:.72rem;color:var(--success);background:#10b9811a;border:1px solid rgba(16,185,129,.2);padding:4px 12px;border-radius:20px;font-weight:500}.status-dot{width:7px;height:7px;background:var(--success);border-radius:50%;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}.chat-area{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}.chat-area::-webkit-scrollbar{width:5px}.chat-area::-webkit-scrollbar-track{background:transparent}.chat-area::-webkit-scrollbar-thumb{background:var(--glass-border);border-radius:4px}.welcome-card{text-align:center;padding:40px 24px;margin:auto 0}.welcome-card .icon{font-size:48px;margin-bottom:16px}.welcome-card h2{font-size:1.4rem;font-weight:700;margin-bottom:8px;background:linear-gradient(135deg,var(--text-primary),var(--accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome-card p{color:var(--text-secondary);font-size:.88rem;line-height:1.6;max-width:400px;margin:0 auto 24px}.example-queries{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.example-btn{background:var(--glass);border:1px solid var(--glass-border);color:var(--text-secondary);padding:8px 16px;border-radius:20px;font-size:.8rem;cursor:pointer;transition:all .2s;font-family:inherit}.example-btn:hover{background:var(--accent-glow);border-color:var(--accent);color:var(--text-primary);transform:translateY(-1px)}.message{display:flex;gap:10px;max-width:85%;animation:fadeInUp .3s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end;flex-direction:row-reverse}.message.bot{align-self:flex-start}.avatar{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;margin-top:2px}.message.user .avatar{background:var(--user-bubble)}.message.bot .avatar{background:var(--bot-bubble);border:1px solid var(--glass-border)}.bubble{padding:12px 16px;border-radius:var(--radius);font-size:.9rem;line-height:1.65;word-wrap:break-word;white-space:pre-wrap}.message.user .bubble{background:var(--user-bubble);color:#fff;border-bottom-right-radius:4px}.message.bot .bubble{background:var(--bot-bubble);border:1px solid var(--glass-border);color:var(--text-primary);border-bottom-left-radius:4px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.bubble[dir=rtl]{text-align:right;direction:rtl}.typing-indicator{display:flex;gap:5px;padding:4px 2px}.typing-indicator span{width:8px;height:8px;background:var(--text-muted);border-radius:50%;animation:typing 1.4s infinite ease-in-out}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-8px);opacity:1}}.input-area{padding:16px 24px 24px;border-top:1px solid var(--glass-border);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:var(--glass)}.input-wrapper{display:flex;align-items:center;gap:10px;background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius);padding:6px 6px 6px 18px;transition:border-color .2s,box-shadow .2s}.input-wrapper:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.input-wrapper input{flex:1;background:transparent;border:none;outline:none;color:var(--text-primary);font-size:.92rem;font-family:inherit;padding:10px 0}.input-wrapper input::placeholder{color:var(--text-muted)}.send-btn{width:42px;height:42px;border-radius:var(--radius-sm);background:var(--user-bubble);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}.send-btn:hover:not(:disabled){transform:scale(1.05);box-shadow:0 4px 16px var(--accent-glow)}.send-btn:disabled{opacity:.4;cursor:not-allowed}.send-btn svg{width:18px;height:18px}.input-hint{text-align:center;font-size:.7rem;color:var(--text-muted);margin-top:10px}@media(max-width:640px){header{padding:14px 16px}.chat-area{padding:16px}.input-area{padding:12px 16px 18px}.message{max-width:92%}.example-queries{flex-direction:column;align-items:center}.refresh-btn span{display:none}.refresh-btn{padding:8px}}