@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap";:root{--bg-primary: #0A0A0B;--bg-secondary: #141416;--bg-tertiary: #1E1E22;--text-primary: #F3F4F6;--text-secondary: #9CA3AF;--accent-primary: #6366F1;--accent-secondary: #A855F7;--accent-glow: rgba(99, 102, 241, .4);--border-color: rgba(255, 255, 255, .08);--glass-bg: rgba(20, 20, 22, .6);--glass-border: rgba(255, 255, 255, .05);--font-main: "Inter", sans-serif;--font-heading: "Outfit", sans-serif;--sidebar-width: 280px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;overflow:hidden}.app-container{display:flex;height:100vh;width:100vw;background:radial-gradient(circle at 50% 0%,var(--bg-secondary),var(--bg-primary) 70%)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-glow{0%{box-shadow:0 0 0 0 var(--accent-glow)}70%{box-shadow:0 0 0 10px #6366f100}to{box-shadow:0 0 #6366f100}}.sidebar{width:var(--sidebar-width);height:100vh;background-color:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;transition:transform .3s ease;position:relative;z-index:10}.sidebar.closed{transform:translate(-100%);position:absolute}.sidebar-header{padding:20px}.new-chat-btn{width:100%;display:flex;align-items:center;gap:12px;padding:12px 16px;background:transparent;border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-family:var(--font-main);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.new-chat-btn:hover{background:var(--bg-tertiary);border-color:var(--text-secondary)}.sidebar-content{flex:1;overflow-y:auto;padding:0 20px}.history-group{margin-bottom:24px}.history-title{font-size:12px;color:var(--text-secondary);margin-bottom:8px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.history-list{list-style:none;display:flex;flex-direction:column;gap:4px}.history-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:6px;cursor:pointer;color:var(--text-secondary);transition:all .2s ease}.history-item-content{display:flex;align-items:center;gap:12px;flex:1;overflow:hidden}.history-item-content span{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item:hover{background:#ffffff08;color:var(--text-primary)}.history-item.active{background:var(--bg-tertiary);color:var(--text-primary)}.delete-chat-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .2s ease}.history-item:hover .delete-chat-btn{opacity:.5}.history-item.active .delete-chat-btn{opacity:.7}.delete-chat-btn:hover{opacity:1!important;color:#ff4d4d;background:#ff4d4d1a}.history-item.empty{cursor:default;justify-content:center}.history-item.empty:hover{background:transparent;color:var(--text-secondary)}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border-color)}.footer-btn{width:100%;display:flex;align-items:center;gap:12px;padding:10px 12px;background:transparent;border:none;color:var(--text-secondary);font-family:var(--font-main);font-size:14px;cursor:pointer;border-radius:6px;transition:all .2s ease}.footer-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.chat-area{flex:1;display:flex;flex-direction:column;overflow-y:auto;position:relative;scrollbar-width:thin}.chat-container{flex:1;max-width:800px;margin:0 auto;width:100%;padding:40px 20px;display:flex;flex-direction:column;gap:24px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;animation:fadeIn .6s ease-out}.logo-pulse{background:var(--bg-tertiary);padding:24px;border-radius:50%;margin-bottom:24px;color:var(--accent-primary);animation:pulse-glow 3s infinite}.empty-state h1{font-family:var(--font-heading);font-size:32px;font-weight:600;margin-bottom:12px;background:linear-gradient(to right,#6366f1,#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.empty-state p{color:var(--text-secondary);font-size:16px}.message-wrapper{display:flex;gap:20px;animation:fadeIn .3s ease-out}.message-wrapper.user{flex-direction:row-reverse}.avatar{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.user .avatar{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#fff}.ai .avatar{background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary)}.message-content{max-width:80%;border-radius:12px;padding:14px 18px;font-size:15px;line-height:1.6}.user .message-content{background:var(--glass-bg);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top-right-radius:4px}.ai .message-content{background:transparent;padding:10px 0}.typing-indicator{display:flex;align-items:center;gap:6px;height:24px;padding:0 8px}.typing-indicator span{width:6px;height:6px;background-color:var(--text-secondary);border-radius:50%;animation:typing 1.4s infinite ease-in-out both}.typing-indicator span:nth-child(1){animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes typing{0%,80%,to{transform:scale(0);opacity:.5}40%{transform:scale(1);opacity:1}}.input-area{padding:20px;background:linear-gradient(0deg,var(--bg-primary) 70%,transparent);position:relative;z-index:5}.input-container{max-width:800px;margin:0 auto;position:relative;display:flex;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:24px;padding:8px 16px;align-items:flex-end;box-shadow:0 4px 20px #0006;transition:border-color .2s ease,box-shadow .2s ease}.input-container:focus-within{border-color:var(--accent-primary);box-shadow:0 0 0 2px #6366f133,0 4px 24px #00000080}textarea{flex:1;background:transparent;border:none;color:var(--text-primary);font-family:var(--font-main);font-size:16px;resize:none;padding:10px 0;max-height:200px;min-height:24px;line-height:24px;outline:none}textarea::placeholder{color:var(--text-secondary)}textarea:disabled{opacity:.6;cursor:not-allowed}.send-btn{background:var(--bg-tertiary);color:var(--text-secondary);border:none;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;margin-bottom:4px;flex-shrink:0}.send-btn.active{background:var(--text-primary);color:var(--bg-primary)}.send-btn.active:hover{background:#fff;transform:scale(1.05)}.send-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.disclaimer{text-align:center;font-size:12px;color:var(--text-secondary);margin-top:12px}.modal-overlay{position:fixed;inset:0;background-color:#00000080;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .2s ease-out}.modal-content{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;width:90%;max-width:450px;box-shadow:0 10px 30px #00000080;animation:slideUp .3s cubic-bezier(.16,1,.3,1);display:flex;flex-direction:column;overflow:hidden}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;border-bottom:1px solid var(--border-color)}.modal-header h3{margin:0;color:var(--text-primary);font-size:1.1rem;font-weight:600}.modal-close-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;padding:4px;transition:all .2s ease}.modal-close-btn:hover{background:var(--surface-hover);color:var(--text-primary)}.modal-body{padding:1.25rem;display:flex;flex-direction:column;gap:1.25rem}.modal-field{display:flex;flex-direction:column;gap:.5rem}.modal-field label{font-size:.85rem;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.modal-input{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;padding:.75rem;color:var(--text-primary);font-family:var(--font-main);font-size:.95rem;transition:all .2s ease}.modal-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 2px #6366f133}.modal-textarea{resize:vertical;min-height:80px;line-height:1.4}.modal-btn{background:var(--accent-primary);color:#fff;border:none;border-radius:8px;padding:.75rem;font-family:var(--font-main);font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s ease;margin-top:.5rem}.modal-btn:hover{background:var(--accent-hover);transform:translateY(-1px)}.modal-btn-danger{background:#ff4d4d1a;color:#ff4d4d;border:1px solid rgba(255,77,77,.2);margin-top:0}.modal-btn-danger:hover{background:#ff4d4d33;color:#f33;border-color:#ff4d4d4d}.avatar-selector{display:flex;gap:.5rem;flex-wrap:wrap}.avatar-option{width:40px;height:40px;border-radius:50%;border:2px solid transparent;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:1.2rem;cursor:pointer;transition:all .2s ease}.avatar-option:hover{transform:scale(1.1)}.avatar-option.selected{border-color:var(--accent-primary);background:#6366f11a}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.main-content{flex:1;display:flex;flex-direction:column;position:relative;height:100vh;overflow:hidden}.mobile-header{display:none;padding:12px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);align-items:center;gap:16px;z-index:20}.mobile-header h2{font-family:var(--font-heading);font-size:18px;font-weight:600;background:linear-gradient(to right,#6366f1,#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.menu-btn{background:transparent;border:none;color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:4px}@media(max-width:768px){.sidebar{position:absolute;height:100%;z-index:30;box-shadow:4px 0 24px #00000080}.mobile-header{display:flex}.chat-container{padding:20px 16px}.input-area{padding:16px}}