@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap";:root{--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-serif:"Playfair Display", Georgia, Cambria, "Times New Roman", Times, serif;--font-mono:"JetBrains Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace;--bg-app:#f0f1fa;--bg-sidebar:#e5e8f8bf;--bg-card:#ffffffb8;--bg-input:#fffc;--bg-glass:#ffffff73;--text-main:#1e1b4b;--text-muted:#4f46e5;--text-placeholder:#a5b4fc;--border-light:#e0e4f7b3;--border-medium:#c7d2fe;--border-glow:#8b5cf64d;--accent-rust:#8b5cf6;--accent-blue:#4f46e5;--accent-emerald:#10b981;--accent-amber:#f59e0b;--accent-rose:#f43f5e;--accent-gradient:linear-gradient(135deg, #4f46e5 0%, #8b5cf6 50%, #a78bfa 100%);--accent-gradient-vivid:linear-gradient(135deg, #6366f1 0%, #8b5cf6 40%, #c084fc 100%);--aurora-1:#6366f114;--aurora-2:#8b5cf60f;--aurora-3:#a78bfa0a;--glass-blur:20px;--glass-bg:#ffffff8c;--glass-border:#ffffff59;--glass-shadow:0 8px 32px #6366f114;--sidebar-width:260px;--sidebar-collapsed-width:68px;--transition-fast:.15s ease;--transition-normal:.25s cubic-bezier(.4, 0, .2, 1);--transition-spring:.4s cubic-bezier(.34, 1.56, .64, 1);--transition-smooth:.5s cubic-bezier(.22, 1, .36, 1);--shadow-sm:0 1px 3px #4f46e50a;--shadow-md:0 4px 12px -2px #4f46e50f, 0 2px 4px -1px #4f46e508;--shadow-lg:0 12px 24px -4px #4f46e514, 0 4px 8px -2px #4f46e50a;--shadow-xl:0 20px 40px -8px #4f46e51f;--shadow-input:0 4px 20px -2px #4f46e514, 0 2px 6px -1px #8b5cf60a;--shadow-glow:0 0 20px #8b5cf626;--shadow-glow-intense:0 0 30px #8b5cf640, 0 0 60px #6366f11a;scrollbar-width:thin;scrollbar-color:var(--border-medium) transparent}@media (prefers-color-scheme:dark){:root:not(.light-theme){--bg-app:#060614;--bg-sidebar:#0c0a1ecc;--bg-card:#120f2abf;--bg-input:#120f2ad9;--bg-glass:#0f0c2499;--text-main:#f5f3ff;--text-muted:#c7d2fe;--text-placeholder:#4c4778;--border-light:#25205499;--border-medium:#3b347d;--border-glow:#a78bfa59;--accent-rust:#a78bfa;--accent-gradient:linear-gradient(135deg, #6366f1 0%, #a78bfa 50%, #c4b5fd 100%);--aurora-1:#6366f10f;--aurora-2:#8b5cf60a;--aurora-3:#a78bfa08;--glass-bg:#0f0c24a6;--glass-border:#3b347d4d;--glass-shadow:0 8px 32px #0000004d;--shadow-input:0 4px 24px -2px #0006, 0 2px 8px -1px #4f46e526;--shadow-glow:0 0 20px #a78bfa1f;--shadow-glow-intense:0 0 30px #a78bfa33, 0 0 60px #6366f114}}.dark-theme{--bg-app:#060614;--bg-sidebar:#0c0a1ecc;--bg-card:#120f2abf;--bg-input:#120f2ad9;--bg-glass:#0f0c2499;--text-main:#f5f3ff;--text-muted:#c7d2fe;--text-placeholder:#4c4778;--border-light:#25205499;--border-medium:#3b347d;--border-glow:#a78bfa59;--accent-rust:#a78bfa;--accent-gradient:linear-gradient(135deg, #6366f1 0%, #a78bfa 50%, #c4b5fd 100%);--aurora-1:#6366f10f;--aurora-2:#8b5cf60a;--aurora-3:#a78bfa08;--glass-bg:#0f0c24a6;--glass-border:#3b347d4d;--glass-shadow:0 8px 32px #0000004d;--shadow-input:0 4px 24px -2px #0006, 0 2px 8px -1px #4f46e526;--shadow-glow:0 0 20px #a78bfa1f;--shadow-glow-intense:0 0 30px #a78bfa33, 0 0 60px #6366f114}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-app);color:var(--text-main);width:100vw;height:100vh;transition:background-color var(--transition-normal), color var(--transition-normal);line-height:1.5;overflow:hidden}#root{width:100vw;height:100vh;display:flex;position:relative;overflow:hidden}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:linear-gradient(180deg, var(--accent-rust), var(--accent-blue));border-radius:9999px}::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg, var(--accent-blue), var(--accent-rust))}h1,h2,h3,h4,h5,h6{color:var(--text-main);letter-spacing:-.02em;font-weight:600}a{color:inherit;transition:color var(--transition-fast);text-decoration:none}button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;background:0 0;border:none;outline:none}button{cursor:pointer}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.flex-1{flex:1}.w-full{width:100%}.h-full{height:100%}.gap-1{gap:4px}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes pulse-glow{0%,to{box-shadow:0 0 5px var(--border-glow)}50%{box-shadow:0 0 20px var(--border-glow), 0 0 40px #8b5cf61a}}@keyframes float-slow{0%,to{transform:translateY(0)rotate(0)}50%{transform:translateY(-6px)rotate(1.5deg)}}@keyframes spin-slow{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes scale-up{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}@keyframes slide-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes breathing{0%,to{opacity:.4}50%{opacity:.8}}@keyframes orbit{0%{transform:rotate(0)translate(8px)rotate(0)}to{transform:rotate(360deg)translate(8px)rotate(-360deg)}}@keyframes thinking-ring{0%{opacity:.6;transform:scale(.8)}50%{opacity:.2;transform:scale(1.2)}to{opacity:0;transform:scale(1.6)}}.app-container{background-color:var(--bg-app);width:100vw;height:100vh;display:flex;position:relative;overflow:hidden}.app-container:before{content:"";background:radial-gradient(ellipse 80% 50% at 20% 40%, var(--aurora-1), transparent), radial-gradient(ellipse 60% 60% at 80% 20%, var(--aurora-2), transparent), radial-gradient(ellipse 50% 80% at 50% 80%, var(--aurora-3), transparent);pointer-events:none;z-index:0;animation:20s ease-in-out infinite alternate aurora-shift;position:absolute;inset:0}@keyframes aurora-shift{0%{background:radial-gradient(ellipse 80% 50% at 20% 40%, var(--aurora-1), transparent), radial-gradient(ellipse 60% 60% at 80% 20%, var(--aurora-2), transparent), radial-gradient(ellipse 50% 80% at 50% 80%, var(--aurora-3), transparent)}33%{background:radial-gradient(ellipse 70% 60% at 60% 30%, var(--aurora-2), transparent), radial-gradient(ellipse 80% 40% at 20% 70%, var(--aurora-3), transparent), radial-gradient(ellipse 50% 70% at 80% 60%, var(--aurora-1), transparent)}66%{background:radial-gradient(ellipse 60% 80% at 40% 60%, var(--aurora-3), transparent), radial-gradient(ellipse 70% 50% at 70% 40%, var(--aurora-1), transparent), radial-gradient(ellipse 80% 40% at 30% 20%, var(--aurora-2), transparent)}to{background:radial-gradient(ellipse 80% 50% at 50% 50%, var(--aurora-1), transparent), radial-gradient(ellipse 60% 70% at 25% 60%, var(--aurora-2), transparent), radial-gradient(ellipse 70% 50% at 75% 30%, var(--aurora-3), transparent)}}.sidebar{background:var(--bg-sidebar);height:calc(100% - 24px);-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);transition:width var(--transition-normal), transform var(--transition-normal);z-index:100;box-shadow:var(--glass-shadow);border-radius:18px;flex-direction:column;flex-shrink:0;margin:12px 0 12px 12px;display:flex;position:relative}.sidebar.expanded{width:var(--sidebar-width)}.sidebar.collapsed{width:var(--sidebar-collapsed-width)}.sidebar-overlay{z-index:99;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);width:100%;height:100%;transition:opacity var(--transition-normal);background-color:#00000073;animation:.2s fadeIn;position:absolute;top:0;left:0}.sidebar-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;min-height:60px;padding:16px;display:flex}.sidebar-logo-area{align-items:center;gap:10px;display:flex}.logo-text{font-family:var(--font-sans);color:var(--text-main);letter-spacing:-.5px;background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:19px;font-weight:800}.logo-placeholder{background-color:var(--bg-card);width:36px;height:36px;color:var(--accent-rust);border:1px solid var(--border-light);box-shadow:var(--shadow-sm);border-radius:10px;justify-content:center;align-items:center;display:flex}.icon-btn{width:34px;height:34px;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-radius:10px;justify-content:center;align-items:center;display:flex}.icon-btn:hover{background-color:var(--border-light);color:var(--text-main)}.icon-btn:hover svg{filter:drop-shadow(0 0 4px var(--accent-rust));transform:scale(1.15)}.icon-btn svg{transition:transform .25s cubic-bezier(.4,0,.2,1),filter .2s}.sidebar-action-container{padding:14px 12px}.new-chat-btn{background:var(--bg-card);border:1px solid var(--border-light);width:100%;color:var(--text-main);cursor:pointer;box-shadow:var(--shadow-sm);transition:all var(--transition-fast);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:11px;font-size:13.5px;font-weight:600;display:flex}.new-chat-btn:hover{border-color:var(--accent-rust);box-shadow:var(--shadow-glow);background:var(--accent-gradient);color:#fff;transform:translateY(-1px)}.sidebar-search{background-color:var(--bg-card);border:1px solid var(--border-light);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);border-radius:10px;align-items:center;margin:0 12px 12px;padding:0 10px;display:flex;position:relative}.sidebar-search:focus-within{border-color:var(--accent-rust);box-shadow:0 0 0 3px #8b5cf61a}.sidebar-search .search-icon{color:var(--text-placeholder);margin-right:8px}.sidebar-search input{width:100%;color:var(--text-main);background:0 0;border:none;outline:none;padding:9px 0;font-size:13px}.sidebar-search input::placeholder{color:var(--text-placeholder)}.clear-search{color:var(--text-placeholder);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:2px}.clear-search:hover{background-color:var(--border-light);color:var(--text-main)}.sidebar-nav{flex:1;padding:0 8px;overflow-y:auto}.collapsed-icons-list{flex-direction:column;align-items:center;gap:12px;padding-top:10px;display:flex}.collapsed-btn{border-radius:10px;width:42px;height:42px}.collapsed-btn.active{background-color:var(--border-light);color:var(--text-main)}.chat-history-list{flex-direction:column;gap:2px;display:flex}.history-section-header{text-transform:uppercase;letter-spacing:1px;color:var(--text-placeholder);padding:12px 10px 6px;font-size:10.5px;font-weight:700}.chat-history-item{cursor:pointer;color:var(--text-muted);transition:all var(--transition-fast);border-radius:10px;align-items:center;gap:10px;padding:9px 12px;animation:.3s backwards fadeInUp;display:flex;position:relative}.chat-history-item:hover{background-color:var(--border-light);color:var(--text-main)}.chat-history-item.active{color:var(--text-main);background:linear-gradient(135deg,#8b5cf61f,#6366f114);border:1px solid #8b5cf626;font-weight:600}.chat-category-dot{border-radius:50%;flex-shrink:0;width:7px;height:7px}.chat-category-dot.code{background:#10b981}.chat-category-dot.learning{background:#3b82f6}.chat-category-dot.strategy{background:#f59e0b}.chat-category-dot.creative{background:#f43f5e}.chat-category-dot.general{background:var(--accent-rust)}.search-highlight{color:var(--text-main);background:#8b5cf640;border-radius:2px;padding:0 1px;font-weight:700}.command-highlight{color:var(--text-main);background:#4ecca31f;border:1px solid #4ecca32e;border-radius:6px;margin-right:4px;padding:2px 6px;font-weight:700}.chat-msg-count{background:var(--border-light);color:var(--text-placeholder);border-radius:9999px;flex-shrink:0;padding:1px 6px;font-size:10px;font-weight:600}.item-icon{opacity:.7;flex-shrink:0}.item-title{white-space:nowrap;text-overflow:ellipsis;flex-grow:1;font-size:13px;overflow:hidden}.delete-item-btn{opacity:0;color:var(--text-placeholder);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-radius:4px;padding:4px}.chat-history-item:hover .delete-item-btn{opacity:1}.delete-item-btn:hover{background-color:var(--border-medium);color:#ef4444}.no-chats-msg{color:var(--text-placeholder);text-align:center;padding:20px;font-size:13px}.sidebar-footer{border-top:1px solid var(--border-light);background:0 0;border-bottom-right-radius:18px;border-bottom-left-radius:18px;padding:14px 12px}.footer-links{flex-direction:column;gap:3px;margin-bottom:12px;display:flex}.footer-link-btn{width:100%;color:var(--text-muted);text-align:left;cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-radius:10px;align-items:center;gap:10px;padding:8px 12px;font-size:13px;font-weight:500;display:flex}.footer-link-btn:hover{background-color:var(--border-light);color:var(--text-main)}.collapsed-footer-icons{flex-direction:column;align-items:center;gap:8px;margin-bottom:12px;display:flex}.user-profile-section{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);transition:all var(--transition-fast);border-radius:14px;align-items:center;gap:10px;padding:10px;display:flex}.user-profile-section:hover{border-color:var(--border-glow);box-shadow:var(--shadow-glow)}.user-avatar-wrapper{position:relative}.user-avatar{background:var(--accent-gradient);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:11px;font-weight:700;display:flex;box-shadow:0 2px 8px #8b5cf64d}.status-indicator{border:2px solid var(--bg-sidebar);border-radius:50%;width:9px;height:9px;position:absolute;bottom:0;right:0}.status-indicator.online{background-color:#10b981;box-shadow:0 0 6px #10b98180}.user-details{flex-direction:column;line-height:1.3;display:flex}.user-name{color:var(--text-main);font-size:13px;font-weight:600}.user-plan{color:var(--text-placeholder);font-size:11px;font-weight:500}.chat-area{z-index:1;height:100%;position:relative;overflow:hidden}.chat-viewport{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.chat-header{border-bottom:1px solid var(--border-light);background:var(--glass-bg);height:56px;min-height:56px;-webkit-backdrop-filter:blur(var(--glass-blur));backdrop-filter:blur(var(--glass-blur));z-index:10;padding:0 24px}.mobile-menu-btn{display:none}.theme-toggle-btn{width:34px;height:34px;color:var(--text-muted);transition:all var(--transition-fast);border-radius:10px;justify-content:center;align-items:center;display:flex}.header-badge{border:1px solid var(--border-light);color:var(--text-muted);cursor:pointer;background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);transition:all var(--transition-fast);border-radius:9999px;align-items:center;gap:6px;padding:6px 16px;font-size:12px;font-weight:600;display:flex}.header-badge:hover{border-color:var(--accent-rust);box-shadow:var(--shadow-glow);color:var(--text-main);transform:translateY(-1px)}.badge-sep{opacity:.4}.badge-link{color:var(--accent-rust);text-underline-offset:2.5px;font-weight:700;text-decoration:underline}.chat-landing{text-align:center;width:100%;max-width:780px;animation:fadeInUp .6s var(--transition-smooth) backwards;margin:0 auto;padding:40px 24px}.greeting-row{color:var(--text-main);justify-content:center;margin-bottom:8px}.logo-pulse-wrap{color:var(--accent-rust);filter:drop-shadow(0 0 12px #8b5cf666);align-items:center;margin-right:14px;animation:6s ease-in-out infinite float-slow;display:inline-flex}.greeting-text{font-family:var(--font-sans);letter-spacing:-1.5px;background:var(--accent-gradient-vivid);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:40px;font-weight:900}.greeting-subline{color:var(--text-placeholder);margin-bottom:6px;font-size:13px;font-weight:500;animation:.8s .3s backwards fadeIn}.landing-subtitle{color:var(--text-muted);max-width:520px;margin-bottom:32px;margin-left:auto;margin-right:auto;font-size:14.5px;line-height:1.55;animation:.8s .2s backwards fadeIn}.features-grid{grid-template-columns:1fr 1fr;gap:12px;width:100%;margin-top:20px;display:grid}.feature-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--glass-border);text-align:left;cursor:pointer;box-shadow:var(--shadow-sm);transition:all var(--transition-spring);border-radius:16px;align-items:flex-start;gap:14px;padding:18px;animation:.5s backwards fadeInUp;display:flex}.feature-card:first-child{animation-delay:.1s}.feature-card:nth-child(2){animation-delay:.15s}.feature-card:nth-child(3){animation-delay:.2s}.feature-card:nth-child(4){animation-delay:.25s}.feature-card:hover{border-color:var(--accent-rust);box-shadow:var(--shadow-glow-intense);transform:translateY(-3px)scale(1.01)}.feature-icon-wrap{background:var(--accent-gradient);color:#fff;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;padding:10px;display:flex;box-shadow:0 4px 12px #8b5cf640}.feature-info h4{color:var(--text-main);margin-bottom:4px;font-size:14px;font-weight:700}.feature-info p{color:var(--text-muted);font-size:12px;line-height:1.4}.input-section{flex-direction:column;gap:16px;width:100%;max-width:680px;display:flex}.input-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(var(--glass-blur));backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);box-shadow:var(--shadow-input);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);border-radius:22px;flex-direction:column;display:flex;position:relative;overflow:hidden}.input-card:before{content:"";background:var(--accent-gradient);opacity:0;z-index:-1;border-radius:23px;transition:opacity .3s;position:absolute;inset:-1px}.input-card:focus-within:before{opacity:1}.input-card:focus-within{box-shadow:var(--shadow-glow-intense);border-color:#0000}.input-card.glow-calm{--border-glow:#3b82f64d}.input-card.glow-energy{--border-glow:#8b5cf666}.input-card.glow-code{--border-glow:#10b98159}.input-top{z-index:2;padding:18px 20px 10px;position:relative}.input-card.compact .input-top{padding:14px 16px 6px}.input-top textarea{resize:none;width:100%;color:var(--text-main);max-height:200px;font-size:15px;line-height:1.55;font-family:var(--font-sans);background:0 0;border:none;outline:none}.input-top textarea::placeholder{color:var(--text-placeholder);opacity:.7}.input-bottom{z-index:2;padding:0 16px 14px;position:relative}.input-card.compact .input-bottom{padding:0 12px 10px}.input-icon-btn{width:36px;height:36px;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.input-icon-btn:hover{background-color:var(--border-light);color:var(--text-main);transform:scale(1.1)}.char-counter-wrap{align-items:center;gap:6px;margin-right:6px;display:flex}.char-counter-ring{width:22px;height:22px;position:relative}.char-counter-ring svg{transform:rotate(-90deg)}.char-counter-ring .ring-bg{fill:none;stroke:var(--border-light);stroke-width:2.5px}.char-counter-ring .ring-fill{fill:none;stroke:var(--accent-rust);stroke-width:2.5px;stroke-linecap:round;transition:stroke-dashoffset .3s,stroke .3s}.char-counter-ring .ring-fill.warning{stroke:var(--accent-amber)}.char-counter-ring 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