@import "https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.7.2/css/all.min.css";
:root{--primary-color:#ec4899;--secondary-color:#f472b6;--accent-color:#06d6a0;--neon-color:red;--background:#fff;--surface:#f8fafc;--text-primary:#0f172a;--text-secondary:#475569;--border-color:#e2e8f0;--code-bg:#f1f5f9;--code-border:#cbd5e1;--shadow:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a;--sidebar-width:280px}[data-theme=dark]{--background:#0a0a0a;--surface:#171717;--text-primary:#f5f5f5;--text-secondary:#a3a3a3;--border-color:#262626;--code-bg:#0a0a0a;--code-border:#404040}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0}body{background:var(--background);color:var(--text-primary);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;transition:all .3s;overflow-x:hidden}.login-page{justify-content:center;align-items:center;min-height:100vh;padding:1rem;display:flex;overflow-y:auto}.login-container{width:100%;max-width:420px;padding:1rem}.login-card{background:var(--surface);box-shadow:var(--shadow-lg);border:2px solid var(--primary-color);border-radius:1.5rem;padding:1.5rem}@media (max-width:480px){.login-card{border-radius:1rem;padding:1rem}.login-header .logo{width:60px;height:60px;font-size:2rem}.login-header h1{font-size:1.5rem}.social-login{flex-direction:column}}.login-header{text-align:center;margin-bottom:1rem}@media (max-width:480px){.login-header{margin-bottom:.75rem}.login-header p{font-size:.85rem}}.login-header .logo{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin:0 auto 1rem;font-size:2.5rem;display:flex;box-shadow:0 0 20px #ec489966}.login-header h1{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:.5rem;font-size:1.8rem}.login-header p{color:var(--text-secondary);font-size:.95rem}.form-group{margin-bottom:1rem}.form-group label{color:var(--text-primary);margin-bottom:.5rem;font-size:.9rem;font-weight:600;display:block}.form-group input{border:2px solid var(--border-color);background:var(--background);width:100%;color:var(--text-primary);border-radius:.75rem;padding:.875rem 1rem;font-size:1rem;transition:all .3s}.form-group input:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #ec48991a}.form-group input::placeholder{color:var(--text-secondary)}.login-btn{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;cursor:pointer;border:none;border-radius:.75rem;width:100%;margin-top:.5rem;padding:1rem;font-size:1rem;font-weight:600;transition:all .3s}.login-btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px #ec48994d}.login-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.divider{color:var(--text-secondary);align-items:center;margin:1rem 0;font-size:.85rem;display:flex}.divider:before,.divider:after{content:"";background:var(--border-color);flex:1;height:1px}.divider span{padding:0 1rem}.social-login{gap:1rem;display:flex}.social-btn{border:2px solid var(--border-color);background:var(--background);color:var(--text-primary);cursor:pointer;border-radius:.75rem;flex:1;justify-content:center;align-items:center;gap:.5rem;padding:.75rem;font-size:1.2rem;font-weight:500;transition:all .3s;display:flex}.social-btn:hover{border-color:var(--primary-color);background:#ec48990d}.social-btn.google:hover{color:#db4437;border-color:#db4437}.social-btn.github:hover{color:#333;border-color:#333}[data-theme=dark] .social-btn.github:hover{color:#fff;border-color:#fff}.toggle-mode{text-align:center;color:var(--text-secondary);margin-top:1rem;font-size:.9rem}.toggle-mode a{color:var(--primary-color);font-weight:600;text-decoration:none}.toggle-mode a:hover{text-decoration:underline}.error-message{color:#dc2626;background:#fee2e2;border-radius:.5rem;margin-bottom:1rem;padding:.75rem 1rem;font-size:.9rem;display:none}.error-message.show{display:block}.loading-spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:1rem;height:1rem;margin-right:.5rem;animation:1s ease-in-out infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.forgot-password{text-align:right;margin-top:-1rem;margin-bottom:1rem}.forgot-password a{color:var(--primary-color);font-size:.85rem;text-decoration:none}.forgot-password a:hover{text-decoration:underline}.auth-loading{background:var(--background);z-index:9999;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.loading-content{text-align:center}.loading-content i{color:var(--primary-color);margin-bottom:1rem;font-size:3rem}.loading-content p{color:var(--text-secondary);font-size:1rem}.app-container{height:100vh;display:flex;position:relative}.sidebar{width:var(--sidebar-width);background:var(--surface);border-right:2px solid var(--primary-color);box-shadow:var(--shadow-lg);z-index:1000;flex-direction:column;transition:transform .3s;display:flex;transform:translate(0)}.sidebar.hidden{transform:translate(-100%)}.sidebar-header{border-bottom:1px solid var(--border-color);background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;justify-content:space-between;align-items:center;padding:1.5rem;display:flex}.sidebar-header h2{font-size:1.5rem;font-weight:700}.close-sidebar{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:50%;padding:.5rem;font-size:1.2rem;transition:background-color .3s;display:none}.close-sidebar:hover{background-color:#fff3}.new-chat-btn{background:linear-gradient(135deg,var(--accent-color),var(--neon-color));color:#fff;cursor:pointer;box-shadow:var(--shadow);border:none;border-radius:.5rem;margin:1rem;padding:.75rem 1rem;font-weight:600;transition:all .3s}.new-chat-btn:hover{box-shadow:var(--shadow-lg);filter:brightness(1.1);transform:translateY(-2px)}.chat-history{flex:1;padding:1rem;overflow-y:auto}.chat-history h3{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem;font-size:.9rem}.history-item{background:var(--background);cursor:pointer;border-left:3px solid #0000;border-radius:.5rem;margin-bottom:.5rem;padding:.75rem;transition:all .3s}.history-item:hover{background:var(--primary-color);color:#fff;border-left-color:var(--neon-color);transform:translate(5px)}.history-item.active{background:var(--primary-color);color:#fff;border-left-color:var(--neon-color)}.main-content{background:var(--background);flex-direction:column;flex:1;display:flex}.top-nav{background:var(--surface);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow);justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex}.menu-toggle{color:var(--text-primary);cursor:pointer;background:0 0;border:none;border-radius:.25rem;padding:.5rem;font-size:1.2rem;transition:all .3s}.menu-toggle:hover{background:var(--border-color);color:var(--primary-color)}.top-nav h1{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.5rem}.nav-actions{gap:.5rem;display:flex}.theme-toggle-btn{border:2px solid var(--primary-color);color:var(--primary-color);cursor:pointer;background:0 0;border-radius:.5rem;padding:.5rem 1rem;transition:all .3s}.theme-toggle-btn:hover{background:var(--primary-color);color:#fff}.chat-container{flex-direction:column;flex:1;display:flex;overflow:hidden}.chat-messages{scroll-behavior:smooth;flex:1;padding:2rem;overflow-y:auto}.welcome-message{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;box-shadow:var(--shadow-lg);border-radius:1rem;gap:1rem;margin-bottom:2rem;padding:2rem;display:flex}.bot-avatar{background:#fff3;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:50px;height:50px;font-size:1.5rem;display:flex;overflow:hidden}.bot-avatar img{object-fit:cover;width:100%;height:100%}.bot-header-avatar{object-fit:cover;vertical-align:middle;border-radius:50%;width:24px;height:24px;margin-right:.5rem}.message{gap:1rem;margin-bottom:1.5rem;animation:.5s fadeInUp;display:flex}.message.user{flex-direction:row-reverse}.message-avatar{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;display:flex;overflow:hidden}.message-avatar img{object-fit:cover;width:100%;height:100%}.message.user .message-avatar{background:linear-gradient(135deg,var(--accent-color),var(--neon-color));color:#fff}.message.bot .message-avatar{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff}.message-content{background:var(--surface);max-width:70%;box-shadow:var(--shadow);border:1px solid var(--border-color);color:var(--text-primary);border-radius:1rem;padding:1rem 1.5rem;line-height:1.6}.message.user .message-content{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border:none}.message.bot .message-content{border-left:3px solid var(--primary-color);background:var(--surface);color:var(--text-primary)}.file-attachment{background:#ffffff1a;border-radius:.5rem;align-items:center;gap:.5rem;margin-bottom:.5rem;padding:.5rem;display:flex}.file-attachment img{border-radius:.5rem;max-width:200px;max-height:200px}.message-input-container{background:var(--surface);border-top:1px solid var(--border-color);padding:1.5rem 2rem}.input-wrapper{background:var(--background);border:2px solid var(--border-color);border-radius:1rem;align-items:center;gap:.5rem;padding:.5rem;transition:all .3s;display:flex}.input-wrapper:focus-within{border-color:var(--primary-color);box-shadow:0 0 0 3px #7c3aed1a}.file-upload-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:50%;padding:.5rem;font-size:1.2rem;transition:all .3s}.file-upload-btn:hover{background:var(--primary-color);color:#fff}.message-input{color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;padding:.75rem;font-size:1rem;font-weight:500}.message-input::placeholder{color:var(--text-secondary);opacity:.8}.send-btn{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;cursor:pointer;border:none;border-radius:50%;padding:.75rem;font-size:1.1rem;transition:all .3s}.send-btn:hover{box-shadow:var(--shadow-lg);transform:scale(1.1)}.send-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.file-preview{background:var(--background);border:2px dashed var(--border-color);border-radius:.5rem;margin-top:1rem;padding:1rem}.file-info{justify-content:space-between;align-items:center;display:flex}.remove-file{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:50%;padding:.25rem;transition:all .3s}.remove-file:hover{color:#fff;background:#ef4444}.loading-overlay{z-index:9999;background:#00000080;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.loading-overlay.hidden{display:none}.loading-spinner-text{text-align:center;color:#fff}.loading-spinner-text i{color:var(--neon-color);margin-bottom:1rem;font-size:3rem}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes neonGlow{0%,to{text-shadow:0 0 5px var(--neon-color),0 0 10px var(--neon-color)}50%{text-shadow:0 0 10px var(--neon-color),0 0 20px var(--neon-color)}}@media (max-width:768px){.sidebar{z-index:1000;height:100vh;position:fixed;top:0;left:0;transform:translate(-100%)}.sidebar.show{transform:translate(0)}.close-sidebar{display:block}.main-content{width:100%}.top-nav,.chat-messages,.message-input-container{padding:1rem}.message-content{max-width:85%}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--background)}::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--secondary-color)}.code-block-container{border:1px solid var(--code-border);box-shadow:var(--shadow);background:var(--code-bg);border-radius:.75rem;margin:1rem 0;overflow:hidden}.code-header{background:var(--primary-color);border-bottom:1px solid var(--code-border);justify-content:space-between;align-items:center;padding:.5rem 1rem;display:flex}.code-language{color:#fff;text-transform:uppercase;letter-spacing:.05em;font-size:.75rem;font-weight:600}.copy-code-btn{color:#fff;cursor:pointer;background:#ffffff1a;border:none;border-radius:.25rem;align-items:center;gap:.25rem;padding:.25rem .5rem;font-size:.75rem;transition:all .3s;display:flex}.copy-code-btn:hover{background:#fff3;transform:scale(1.05)}pre{background:var(--code-bg);padding:1.5rem}pre code{color:var(--text-primary);white-space:pre;tab-size:4;word-wrap:normal;word-break:normal;overflow-wrap:normal;text-indent:0;letter-spacing:0;background:0 0;border:none;border-radius:0;padding:0;font-family:Fira Code,Courier New,monospace;font-size:.9rem;line-height:1.5;display:block}code{background:var(--code-bg);color:var(--primary-color);border:1px solid var(--code-border);border-radius:.375rem;padding:.3rem .6rem;font-family:Fira Code,Courier New,monospace;font-size:.85rem;font-weight:600}.inline-code{background:var(--code-bg);color:var(--primary-color);border:1px solid var(--code-border);white-space:nowrap;border-radius:.25rem;padding:.2rem .4rem;font-family:Fira Code,Courier New,monospace;font-size:.9rem;font-weight:600}[data-theme=dark] .inline-code,[data-theme=dark] code{background:var(--code-bg);color:var(--neon-color);border-color:var(--code-border)}[data-theme=dark] pre code{color:var(--text-primary)}[data-theme=dark] .code-header{background:var(--primary-color)}.sidebar-footer{border-top:1px solid var(--border-color);background:var(--background);justify-content:space-between;align-items:center;padding:1rem;display:flex}.user-info{flex:1;align-items:center;gap:.75rem;min-width:0;display:flex}.user-avatar{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:1rem;display:flex;overflow:hidden}.user-avatar img{object-fit:cover;width:100%;height:100%}.user-details{flex-direction:column;min-width:0;display:flex}.user-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.9rem;font-weight:600;overflow:hidden}.user-email{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:.75rem;overflow:hidden}.logout-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:.5rem;padding:.5rem;font-size:1.1rem;transition:all .3s}.logout-btn:hover{color:#fff;background:#ef4444}