:root{--bg-color: #0b0b0b;--card-bg: #1a1a1a;--text-primary: #ffffff;--text-secondary: #a0a0a0;--accent-color: #3b82f6;--user-msg-bg: #2563eb;--ai-msg-bg: #2d2d2d;--border-color: #333333;--font-sans: "Inter", system-ui, -apple-system, sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background-color:var(--bg-color);color:var(--text-primary);height:100vh;display:flex;flex-direction:column;overflow:hidden}#chat-container{flex:1;overflow-y:auto;padding:2rem 1rem;display:flex;flex-direction:column;gap:1.5rem;max-width:800px;margin:0 auto;width:100%;scroll-behavior:smooth}.message{max-width:80%;padding:1rem 1.25rem;border-radius:1.25rem;line-height:1.5;font-size:.95rem;position:relative;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.user-message{align-self:flex-end;background-color:var(--user-msg-bg);color:#fff;border-bottom-right-radius:.25rem}.ai-message{align-self:flex-start;background-color:var(--ai-msg-bg);color:var(--text-primary);border-bottom-left-radius:.25rem;border:1px solid var(--border-color)}.timestamp{font-size:.7rem;color:var(--text-secondary);margin-top:.5rem;display:block}.typing-indicator{display:none;align-self:flex-start;background-color:var(--ai-msg-bg);padding:.75rem 1rem;border-radius:1.25rem 1.25rem 1.25rem .25rem;gap:4px;margin:0 auto 1rem;width:fit-content;max-width:800px;width:calc(100% - 2rem)}.dot{width:6px;height:6px;background: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)}}.input-area{background-color:var(--card-bg);border-top:1px solid var(--border-color);padding:1.5rem;width:100%}.input-wrapper{max-width:800px;margin:0 auto;display:flex;gap:.75rem;background:var(--bg-color);padding:.5rem;border-radius:1rem;border:1px solid var(--border-color);transition:border-color .2s}.input-wrapper:focus-within{border-color:var(--accent-color)}input{flex:1;background:transparent;border:none;color:#fff;padding:.75rem;font-size:1rem;outline:none}button{background-color:var(--accent-color);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:.75rem;cursor:pointer;font-weight:600;transition:opacity .2s}button:hover{opacity:.9}button:disabled{opacity:.5;cursor:not-allowed}.ai-message p{margin-bottom:.5rem}.ai-message code{background:#000;padding:.2rem .4rem;border-radius:4px;font-family:monospace}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#333;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#444}