:root{--color-bg: #000000;--color-sidebar-bg: #0a0a0a;--color-text-primary: #ffffff;--color-text-secondary: #888888;--color-accent: #8a2be2;--color-accent-hover: #9b4dca;--font-primary: "Inter", system-ui, Avenir, Helvetica, Arial, sans-serif;--sidebar-width: 250px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-primary);background-color:var(--color-bg);color:var(--color-text-primary);line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font-family:inherit}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:#333;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}.sidebar{width:var(--sidebar-width);height:100vh;background-color:var(--color-sidebar-bg);position:fixed;left:0;top:0;display:flex;flex-direction:column;justify-content:space-between;padding:2rem;border-right:1px solid #1a1a1a;transition:transform .3s ease-in-out;z-index:1000}.profile{text-align:center;margin-bottom:2rem}.profile h2{font-size:1.5rem;font-weight:700;margin-top:1rem;color:var(--color-text-primary)}.profile-img-placeholder{width:100px;height:100px;background-color:#333;border-radius:50%;margin:0 auto}.sidebar nav ul{list-style:none;display:flex;flex-direction:column;gap:1.5rem}.sidebar nav a{font-size:.9rem;font-weight:600;border-bottom:1px solid transparent;padding-bottom:2px;cursor:pointer;transition:all .2s;letter-spacing:1px}.sidebar nav a:hover,.sidebar nav a.active{color:var(--color-accent);border-bottom-color:var(--color-accent)}.social-links{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;color:var(--color-text-secondary)}.social-links a:hover{color:var(--color-text-primary)}.copyright{margin-top:1rem;font-size:.7rem;width:100%;text-align:center;color:#555}.mobile-toggle{display:none;position:fixed;top:1rem;right:1rem;z-index:2000;background:var(--color-sidebar-bg);padding:.5rem;border-radius:4px;font-size:1.5rem;color:var(--color-text-primary)}@media(max-width:768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.mobile-toggle{display:block}}.main-content{margin-left:var(--sidebar-width);padding:0;min-height:100vh;position:relative;width:calc(100% - var(--sidebar-width))}@media(max-width:768px){.main-content{margin-left:0;width:100%}}.hero-section{height:100vh;display:flex;align-items:center;justify-content:center;padding:0 10%;background-color:var(--color-bg);color:#fff}.hero-content h1{font-size:5rem;font-weight:900;margin-bottom:2rem;letter-spacing:-2px}.hero-intro{max-width:600px;margin-bottom:3rem}.hero-intro p{font-size:1.1rem;color:var(--color-text-secondary);line-height:1.6}.hero-buttons{display:flex;gap:1.5rem}.btn{padding:1rem 2.5rem;font-weight:700;font-size:.9rem;letter-spacing:1px;transition:all .3s ease;text-transform:uppercase}.btn-primary{background-color:var(--color-accent);color:#fff;box-shadow:0 4px 15px #8a2be266}.btn-primary:hover{background-color:var(--color-accent-hover);transform:translateY(-2px)}.btn-outline{background-color:transparent;border:2px solid #fff;color:#fff}.btn-outline:hover{background-color:#fff;color:#000;transform:translateY(-2px)}@media(max-width:768px){.hero-content h1{font-size:3rem}.hero-section{padding:0 5%;text-align:center;margin-top:60px;height:auto;min-height:100vh}.hero-buttons{justify-content:center}}.chat-section{height:100vh;padding:0;background-color:#000;display:flex;justify-content:center;align-items:center;position:relative}.chat-container{width:100%;height:100%;display:flex;flex-direction:column;background-color:#0a0a0a;border-left:1px solid #222}.chat-header{padding:1.5rem;background-color:#111;border-bottom:1px solid #222;display:flex;align-items:center;gap:1rem}.chat-avatar{width:45px;height:45px;background-color:var(--color-accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;overflow:hidden}.chat-avatar img{width:100%;height:100%;object-fit:cover}.chat-info h3{margin:0;font-size:1.1rem;color:#fff}.chat-info p{margin:0;font-size:.8rem;color:var(--color-text-secondary)}.chat-messages{flex:1;padding:2rem;overflow-y:auto;display:flex;flex-direction:column;gap:1rem;background-image:radial-gradient(#1a1a1a 1px,transparent 1px);background-size:20px 20px}.message{margin-bottom:1.5rem;max-width:80%;display:flex;flex-direction:column;position:relative}.message.user{align-self:flex-end;align-items:flex-end}.message.bot{align-self:flex-start;align-items:flex-start}.speak-button{background:none;border:none;color:var(--color-text-secondary);cursor:pointer;font-size:1rem;padding:5px;margin-top:5px;opacity:.7;transition:opacity .2s,color .2s;align-self:flex-start}.speak-button:hover{opacity:1;color:var(--color-accent)}.message-bubble{padding:1rem 1.2rem;border-radius:18px;font-size:.95rem;line-height:1.5;position:relative}.message.user .message-bubble{background-color:var(--color-accent);color:#fff;border-bottom-right-radius:4px}.message.bot .message-bubble{background-color:#222;color:#e0e0e0;border-bottom-left-radius:4px}.message-time{font-size:.7rem;color:#666;margin-top:.4rem;margin-left:.5rem;margin-right:.5rem}.chat-input-area{padding:1.5rem;background-color:#111;border-top:1px solid #222;display:flex;gap:1rem}.chat-input-area input{flex:1;padding:1rem 1.5rem;background-color:#000;border:1px solid #333;border-radius:30px;color:#fff;font-size:1rem;transition:border-color .3s}.chat-input-area input:focus{outline:none;border-color:var(--color-accent)}.chat-input-area button{width:50px;height:50px;background-color:var(--color-accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;transition:transform .2s,background-color .2s;flex-shrink:0}.chat-input-area button:hover:not(:disabled){background-color:var(--color-accent-hover);transform:scale(1.05)}.chat-input-area button:disabled{background-color:#333;cursor:not-allowed;opacity:.7}.mic-button{background-color:#333!important;margin-right:.5rem}.mic-button:hover{background-color:#444!important}.mic-button.listening{background-color:#c00!important;animation:pulse 1.5s infinite}@keyframes pulse{0%{box-shadow:0 0 #cc0000b3}70%{box-shadow:0 0 0 10px #c000}to{box-shadow:0 0 #c000}}.typing-indicator{display:flex;gap:4px;padding:1rem;background-color:#222;border-radius:18px 18px 18px 4px}.typing-indicator span{width:6px;height:6px;background-color:#888;border-radius:50%;animation:bounce 1.4s infinite ease-in-out}.typing-indicator span:nth-child(1){animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}@media(max-width:768px){.chat-section{padding-top:60px}}