*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}.chat-container{display:flex;flex-direction:column;height:100vh;border-radius:16px;box-shadow:0 10px 30px #0009;background:#0c0d10;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:#e0e0e0}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:.5rem 1.5rem;border-bottom:1px solid #24252b;background-color:#0c0d10;box-shadow:0 2px 6px #00000080;font-weight:600;font-size:1rem}.reset-button{background:#a04040;color:#fff;border:none;padding:.7rem 1.25rem;border-radius:28px;cursor:pointer;font-weight:600;width:150px;box-shadow:0 3px 8px #0006;transition:background .3s ease,box-shadow .3s ease}.reset-button:hover,.reset-button:focus{background:#7b2e2e;box-shadow:0 5px 15px #0009;outline:none}.chat-window{flex:1 1 auto;overflow-y:auto;padding:1.5rem 2rem;background-color:#111318;scroll-behavior:smooth;display:flex;flex-direction:column;gap:1rem}.chat-message{max-width:65%;padding:.3rem 1rem;border-radius:20px;line-height:1.5;word-wrap:break-word;position:relative;box-shadow:0 2px 8px #0006}.chat-message.user-message{background-color:#302d4f;color:#e3e8ff;margin-left:auto;border-bottom-right-radius:8px}.chat-message.bot-message{background-color:#1c1d22;color:#d1d1d1;margin-right:auto;border-bottom-left-radius:8px}.chat-message.bot-error-message{background-color:#4a1a1a;color:#d1d1d1;margin-right:auto;border-bottom-left-radius:8px}.chat-message .typing-cursor{display:inline-block;animation:blink 1.2s steps(2,start) infinite;font-weight:700;color:#4285f4;position:static;margin-left:4px}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.input-area{flex:0 0 auto;display:flex;align-items:center;padding:1rem 2rem;border-top:1px solid #24252b;background-color:#0c0d10;box-shadow:inset 0 1px 4px #ffffff0d}.input-area input{flex-grow:1;padding:.75rem 1.25rem;font-size:1.05rem;border-radius:28px;border:1px solid #24252b;background:#111318;color:#e0e0e0;transition:all .3s ease;outline:none;box-shadow:none;font-weight:400}.input-area input::placeholder{color:#555}.input-area input:focus{border-color:#4285f4;box-shadow:0 0 12px #4285f499;background:#15171d}.input-area button{margin-left:1rem;padding:.7rem 1.75rem;font-size:1.1rem;border:none;border-radius:28px;background-color:#4285f4;color:#fff;font-weight:700;cursor:pointer;box-shadow:0 4px 12px #4285f480;transition:background-color .3s ease,box-shadow .3s ease}.input-area button:hover:not(:disabled),.input-area button:focus:not(:disabled){background-color:#357ae8;box-shadow:0 6px 16px #357ae8b3;outline:none}.input-area button:disabled{background-color:#24252b;cursor:not-allowed;box-shadow:none;color:#777}.sources-list{list-style:none;padding:0 0 20px;margin:10px 0 0;display:flex;flex-wrap:wrap;gap:8px}.sources-list li{background-color:#f1f1f1;border-radius:20px;padding:6px 12px;font-size:.8em;font-family:Arial,sans-serif;transition:background-color .2s ease-in-out,flex-basis .3s ease-out;flex:1;min-width:80px;max-width:250px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sources-list li:hover{transition:all .3s ease-in-out;background-color:#e0e0e0;flex:2;max-width:none}.sources-list li a{text-decoration:none;color:#333;display:block}.sources-list li a:hover{color:#007bff}@media (prefers-color-scheme: dark){.sources-list li{background-color:#333}.sources-list li:hover{background-color:#444}.sources-list li a{color:#ddd}.sources-list li a:hover{color:#8ab4f8}}.typing-indicator{display:flex;align-items:center;justify-content:flex-start;gap:6px;height:20px}.typing-indicator span{height:8px;width:8px;border-radius:50%;background-color:#555;animation:bounce 1.2s infinite ease-in-out;transform-origin:bottom}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}