:root{--bg-color: #0f172a;--panel-bg: rgba(30, 41, 59, .7);--border-color: rgba(255, 255, 255, .1);--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-color: #3b82f6;--accent-hover: #2563eb;--accent-glow: rgba(59, 130, 246, .5);--user-msg-bg: #2563eb;--user-msg-text: #ffffff;--bot-msg-bg: rgba(255, 255, 255, .05);--bot-msg-text: #f8fafc}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);background-image:radial-gradient(at 0% 0%,rgba(59,130,246,.15) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(139,92,246,.15) 0px,transparent 50%);background-attachment:fixed;color:var(--text-primary);min-height:100vh;display:flex;justify-content:center;align-items:center}#root{width:100%;height:100vh;display:flex;justify-content:center;align-items:center;padding:1rem}.app-container{width:100%;max-width:900px;height:90vh;display:flex;flex-direction:column;background:var(--panel-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:24px;overflow:hidden;box-shadow:0 25px 50px -12px #00000080}.chat-header{padding:1.5rem;border-bottom:1px solid var(--border-color);display:flex;align-items:center;gap:1rem;background:#0f172a80}.chat-header-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--accent-color),#8b5cf6);display:flex;align-items:center;justify-content:center;box-shadow:0 0 15px var(--accent-glow)}.chat-header-info h1{font-size:1.25rem;font-weight:600;margin-bottom:.25rem}.chat-header-info p{font-size:.875rem;color:var(--text-secondary)}.chat-messages{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1.5rem;scroll-behavior:smooth}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:10px}.message-wrapper{display:flex;flex-direction:column;max-width:80%;animation:fadeIn .3s ease-out forwards}.message-wrapper.user{align-self:flex-end}.message-wrapper.bot{align-self:flex-start}.message-bubble{padding:1rem 1.25rem;border-radius:18px;line-height:1.5;font-size:.95rem;position:relative}.message-bubble strong{color:#fff}.message-wrapper.user .message-bubble{background-color:var(--user-msg-bg);color:var(--user-msg-text);border-bottom-right-radius:4px}.message-wrapper.bot .message-bubble{background-color:var(--bot-msg-bg);color:var(--bot-msg-text);border-bottom-left-radius:4px;border:1px solid var(--border-color)}.message-time{font-size:.75rem;color:var(--text-secondary);margin-top:.5rem;align-self:flex-end}.message-wrapper.bot .message-time{align-self:flex-start}.suggestion-chips{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:.5rem}.chip{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:var(--text-primary);padding:.5rem 1rem;border-radius:20px;font-size:.875rem;cursor:pointer;transition:all .2s ease;font-family:inherit}.chip:hover{background:#ffffff1a;transform:translateY(-2px);border-color:#fff3}.chat-input-area{padding:1.5rem;background:#0f172a80;border-top:1px solid var(--border-color)}.input-container{display:flex;gap:1rem;align-items:center;background:#ffffff08;border:1px solid var(--border-color);border-radius:16px;padding:.5rem .5rem .5rem 1.25rem;transition:border-color .3s ease}.input-container:focus-within{border-color:var(--accent-color);box-shadow:0 0 0 2px #3b82f633}.chat-input{flex:1;background:transparent;border:none;color:var(--text-primary);font-family:inherit;font-size:1rem;outline:none;padding:.5rem 0}.chat-input::placeholder{color:var(--text-secondary)}.send-button{background:var(--accent-color);color:#fff;border:none;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.send-button:hover:not(:disabled){background:var(--accent-hover);transform:scale(1.05)}.send-button:disabled{background:#ffffff1a;color:var(--text-secondary);cursor:not-allowed}.typing-indicator{display:flex;gap:.25rem;padding:.5rem}.typing-dot{width:6px;height:6px;background-color:var(--text-secondary);border-radius:50%;animation:typing 1.4s infinite ease-in-out both}.typing-dot:nth-child(1){animation-delay:-.32s}.typing-dot:nth-child(2){animation-delay:-.16s}@keyframes typing{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-bubble p{margin-bottom:.5rem}.message-bubble p:last-child{margin-bottom:0}.markdown-body table{width:100%;border-collapse:collapse;margin-top:10px;font-size:.9em;border:1px solid rgba(255,255,255,.2);border-radius:8px;overflow:hidden}.markdown-body th{background:#0000004d;padding:12px 15px;text-align:left;border:1px solid rgba(255,255,255,.2);font-weight:700}.markdown-body td{padding:10px 15px;border:1px solid rgba(255,255,255,.15)}.related-topics-area{margin-top:1rem;padding-top:.75rem;border-top:1px solid rgba(255,255,255,.08)}.related-topics-label{font-size:.75rem;color:var(--text-secondary);display:block;margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.05em}.related-topics-chips{display:flex;flex-wrap:wrap;gap:.4rem}.related-topic-chip{background:#ffffff0d;border:1px solid rgba(255,255,255,.15);color:var(--text-secondary);padding:.3rem .75rem;border-radius:20px;font-size:.78rem;cursor:pointer;transition:all .2s ease;font-family:inherit}.related-topic-chip:hover{background:#3b82f626;border-color:var(--accent-color);color:var(--text-primary)}.form-download-area{margin-top:1rem;display:flex;flex-direction:column;gap:.5rem}.form-download-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1rem;background:linear-gradient(135deg,var(--accent-color),#8b5cf6);color:#fff;border-radius:10px;font-size:.875rem;font-weight:500;text-decoration:none;transition:all .2s ease;width:fit-content;box-shadow:0 2px 8px #3b82f64d}.form-download-btn:hover{transform:translateY(-2px);box-shadow:0 4px 14px #3b82f680}