:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;--bg: #0a0a0a;--bg-secondary: #111111;--bg-elevated: #1a1a1a;--bg-hover: #222222;--border: rgba(255, 255, 255, .08);--border-bright: rgba(255, 255, 255, .15);--text: #fafafa;--text-secondary: rgba(255, 255, 255, .55);--text-tertiary: rgba(255, 255, 255, .35);--accent: #1d9bf0;--accent-hover: #1a8cd8;--accent-glow: rgba(29, 155, 240, .15);--radius: 12px;--radius-sm: 8px;--max-chat-width: 48rem}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text)}.app{display:flex;flex-direction:column;min-height:100vh;max-width:100%}.header{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.25rem;border-bottom:1px solid var(--border);background:#0a0a0ad9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:100}.header-left{display:flex;align-items:center;gap:.75rem}.logo-mark{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg,var(--accent),#6366f1);color:#fff;flex-shrink:0}.logo-icon{width:20px;height:20px}.header-title h1{font-size:1.1rem;font-weight:700;letter-spacing:-.02em;line-height:1.2}.header-badge{font-size:.65rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--text-secondary);background:var(--bg-elevated);border:1px solid var(--border);padding:.1rem .45rem;border-radius:4px}.clear-btn{display:flex;align-items:center;gap:.4rem;padding:.45rem .85rem;border:1px solid var(--border-bright);border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text-secondary);font-size:.8rem;font-weight:500;cursor:pointer;transition:all .15s}.clear-btn:hover{background:var(--bg-hover);color:var(--text);border-color:#ffffff40}.chat-container{flex:1;overflow-y:auto;display:flex;flex-direction:column}.welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:3rem 1.5rem;gap:1rem;max-width:36rem;margin:0 auto}.welcome-icon{color:var(--accent);opacity:.8;margin-bottom:.5rem}.welcome h2{font-size:1.75rem;font-weight:700;letter-spacing:-.03em}.welcome p{color:var(--text-secondary);font-size:.95rem;max-width:28rem}.suggestions{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-top:.75rem}.suggestion-chip{padding:.55rem 1rem;border:1px solid var(--border-bright);border-radius:999px;background:var(--bg-elevated);color:var(--text-secondary);font-size:.85rem;cursor:pointer;transition:all .15s;white-space:nowrap}.suggestion-chip:hover{background:var(--bg-hover);color:var(--text);border-color:var(--accent);box-shadow:0 0 0 1px var(--accent-glow)}.messages{display:flex;flex-direction:column;max-width:var(--max-chat-width);width:100%;margin:0 auto;padding:1.5rem 1.25rem;gap:.25rem}.message{display:flex;gap:.75rem;padding:1rem 0}.message-user{flex-direction:row-reverse}.message-avatar{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;flex-shrink:0;margin-top:.15rem}.message-agent .message-avatar{background:linear-gradient(135deg,var(--accent),#6366f1);color:#fff}.message-user .message-avatar{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-secondary)}.message-body{flex:1;min-width:0}.message-sender{font-size:.8rem;font-weight:600;margin-bottom:.3rem;color:var(--text-secondary)}.message-user .message-sender{text-align:right}.message-content{font-size:.95rem;line-height:1.65;color:var(--text);white-space:pre-wrap;word-break:break-word}.message-user .message-content{background:var(--bg-elevated);border:1px solid var(--border);padding:.75rem 1rem;border-radius:var(--radius);display:inline-block;float:right}.message-agent .message-content{color:#ffffffeb}.typing-indicator{display:flex;gap:4px;padding:.5rem 0}.typing-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);opacity:.5;animation:typingBounce 1.2s ease-in-out infinite}.typing-dot:nth-child(2){animation-delay:.15s}.typing-dot:nth-child(3){animation-delay:.3s}@keyframes typingBounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}.input-area{border-top:1px solid var(--border);background:var(--bg);padding:1rem 1.25rem .75rem;position:sticky;bottom:0}.input-wrapper{display:flex;align-items:flex-end;gap:.5rem;max-width:var(--max-chat-width);margin:0 auto;background:var(--bg-elevated);border:1px solid var(--border-bright);border-radius:var(--radius);padding:.5rem .5rem .5rem 1rem;transition:border-color .15s,box-shadow .15s}.input-wrapper:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-glow)}.input-field{flex:1;background:transparent;border:none;outline:none;color:var(--text);font-size:.95rem;font-family:inherit;line-height:1.5;resize:none;min-height:24px;max-height:150px;padding:.25rem 0}.input-field::placeholder{color:var(--text-tertiary)}.send-btn{width:36px;height:36px;border-radius:var(--radius-sm);border:none;background:var(--bg-hover);color:var(--text-tertiary);cursor:not-allowed;display:grid;place-items:center;flex-shrink:0;transition:all .15s}.send-btn.active{background:var(--accent);color:#fff;cursor:pointer}.send-btn.active:hover{background:var(--accent-hover)}.input-footer{max-width:var(--max-chat-width);margin:.5rem auto 0;text-align:center;font-size:.72rem;color:var(--text-tertiary)}.chat-container::-webkit-scrollbar{width:6px}.chat-container::-webkit-scrollbar-track{background:transparent}.chat-container::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:3px}.chat-container::-webkit-scrollbar-thumb:hover{background:#ffffff26}@media(max-width:640px){.header{padding:.6rem 1rem}.welcome{padding:2rem 1rem}.welcome h2{font-size:1.4rem}.suggestions{flex-direction:column;align-items:stretch}.suggestion-chip{text-align:center}.messages{padding:1rem}.input-area{padding:.75rem 1rem .6rem}}