@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-color: #000000;--panel-bg: #0a0a0a;--message-user: #27272a;--message-ai: #18181b;--text-primary: #ffffff;--text-secondary: #a1a1aa;--border-color: #27272a;--accent: #3f3f46;--accent-hover: #52525b;--danger: #ef4444}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}.app-container{display:flex;height:100vh;max-width:1200px;margin:0 auto;padding:1rem;gap:1.5rem}.sidebar{width:280px;background-color:var(--panel-bg);border-radius:16px;padding:1.5rem;display:flex;flex-direction:column;border:1px solid var(--border-color);box-shadow:0 10px 30px -10px #000c}.sidebar-header{margin-bottom:2rem}.sidebar-header h1{font-size:1.25rem;font-weight:600;color:#fff}.persona-list{display:flex;flex-direction:column;gap:.75rem}.persona-button{background:transparent;border:1px solid transparent;padding:.75rem 1rem;border-radius:8px;color:var(--text-secondary);text-align:left;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:.75rem}.persona-button:hover{background-color:#ffffff0d;color:var(--text-primary)}.persona-button.active{background-color:var(--accent);border-color:var(--border-color);color:var(--text-primary)}.chat-area{flex:1;display:flex;flex-direction:column;background-color:var(--panel-bg);border-radius:16px;border:1px solid var(--border-color);overflow:hidden;box-shadow:0 10px 30px -10px #000c;position:relative}.chat-header{padding:1.5rem;border-bottom:1px solid var(--border-color);display:flex;align-items:center;gap:1rem;background-color:#0a0a0acc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10}.persona-avatar{width:48px;height:48px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.25rem;color:#fff;flex-shrink:0}.persona-info h2{font-size:1.1rem;font-weight:500;margin-bottom:.25rem}.persona-info p{font-size:.85rem;color:var(--text-secondary)}.messages-container{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1.5rem;scroll-behavior:smooth}.message{display:flex;max-width:85%;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end}.message.ai{align-self:flex-start}.message-content{padding:1rem 1.25rem;border-radius:16px;font-size:.95rem;line-height:1.6}.message.user .message-content{background-color:var(--message-user);color:#fff;border-bottom-right-radius:4px;border:1px solid var(--border-color)}.message.ai .message-content{background-color:var(--message-ai);border:1px solid var(--border-color);border-bottom-left-radius:4px}.message-content p{margin-bottom:.75rem}.message-content p:last-child{margin-bottom:0}.suggestions{padding:0 1.5rem 1rem;display:flex;flex-wrap:wrap;gap:.5rem}.suggestion-chip{background-color:transparent;border:1px solid var(--border-color);padding:.5rem 1rem;border-radius:100px;font-size:.85rem;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.suggestion-chip:hover{background-color:var(--accent);color:var(--text-primary)}.input-area{padding:1.5rem;border-top:1px solid var(--border-color);background-color:var(--panel-bg)}.input-form{display:flex;gap:.75rem;background-color:var(--bg-color);border:1px solid var(--border-color);border-radius:12px;padding:.5rem;transition:border-color .2s ease}.input-form:focus-within{border-color:#52525b}.input-field{flex:1;background:transparent;border:none;color:var(--text-primary);padding:.75rem 1rem;font-size:1rem;font-family:inherit;outline:none}.input-field::placeholder{color:var(--text-secondary)}.send-button{background-color:var(--accent);color:#fff;border:1px solid var(--border-color);width:44px;height:44px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .2s ease}.send-button:hover:not(:disabled){background-color:var(--accent-hover)}.send-button:disabled{background-color:var(--bg-color);cursor:not-allowed;opacity:.5}.typing-indicator{display:flex;gap:.4rem;padding:1rem;background-color:var(--message-ai);border-radius:16px 16px 16px 4px;width:max-content;align-self:flex-start;margin-bottom:1.5rem;border:1px solid var(--border-color)}.dot{width:8px;height:8px;background-color:var(--text-secondary);border-radius:50%;animation:bounce 1.4s infinite ease-in-out both}.dot:nth-child(1){animation-delay:-.32s}.dot:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.error-message{background-color:#ef44441a;border:1px solid var(--danger);color:#fca5a5;padding:1rem;border-radius:8px;margin-bottom:1rem;text-align:center;font-size:.9rem}@media (max-width: 768px){.app-container{flex-direction:column;padding:0;gap:0}.sidebar{width:100%;border-radius:0;padding:1rem;border-left:none;border-right:none;border-top:none;flex-direction:row;align-items:center;overflow-x:auto}.sidebar-header{margin-bottom:0;margin-right:1.5rem;white-space:nowrap}.persona-list{flex-direction:row;flex:1}.persona-button{white-space:nowrap}.chat-area{border-radius:0;border:none}.message{max-width:90%}}