@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap";
:root{--bg-color:#000;--bg-surface:#0a0a0a;--bg-hover:#111;--border-color:#1a1a1a;--border-hover:#333;--text-primary:#fff;--text-secondary:#888;--accent-primary:#fff;--accent-gradient:linear-gradient(135deg, #fff, #888);--font-body:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-display:"Outfit", sans-serif;--glass-bg:#000000b3;--glass-border:#ffffff14;--overlay-bg:#0009;--subtle-bg:#ffffff0d;--inverted-bg:#fff;--inverted-text:#000}.light{--bg-color:#f9fafa;--bg-surface:#fff;--bg-hover:#f1f3f5;--border-color:#e5e7eb;--border-hover:#d1d5db;--text-primary:#111827;--text-secondary:#6b7280;--accent-primary:#000;--accent-gradient:linear-gradient(135deg, #000, #4b5563);--glass-bg:#ffffffb3;--glass-border:#00000014;--overlay-bg:#fff9;--subtle-bg:#0000000d;--inverted-bg:#000;--inverted-text:#fff}*{box-sizing:border-box;margin:0;padding:0}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}body{background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-body);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.6}a{color:inherit;text-decoration:none}button{font-family:var(--font-body);cursor:pointer}:focus-visible{outline-offset:2px;border-radius:4px;outline:2px solid #ffffff80}button:focus-visible{outline-offset:2px;outline:2px solid #ffffff80}::selection{color:#fff;background:#fff3}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}*{scrollbar-width:thin;scrollbar-color:var(--border-color) transparent}.app-container{width:100vw;height:100vh;display:flex;overflow:hidden}.sidebar{background:var(--bg-surface);border-right:1px solid var(--border-color);z-index:20;white-space:nowrap;flex-direction:column;width:280px;height:100%;padding:24px 16px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;overflow:hidden}.sidebar.collapsed{width:72px;padding:24px 12px}.sidebar.collapsed .sidebar-text,.sidebar.collapsed .history-list,.sidebar.collapsed .profile-text{opacity:0;pointer-events:none;display:none}.sidebar .sidebar-text,.sidebar .history-list,.sidebar .profile-text{opacity:1;transition:opacity .3s .1s;display:flex}.sidebar .history-list{display:block}.sidebar.collapsed .logo{justify-content:center;padding:0}.sidebar.collapsed .nav-item{justify-content:center;padding:12px}.sidebar.collapsed .profile-box{justify-content:center;padding:12px;background:0 0!important}.logo{font-family:var(--font-display);letter-spacing:-.04em;color:var(--text-primary);align-items:center;gap:12px;margin-bottom:32px;padding:0 8px;font-size:22px;font-weight:700;display:flex}.logo-icon{background:var(--text-primary);width:28px;height:28px;color:var(--bg-color);border-radius:8px;justify-content:center;align-items:center;font-size:14px;transition:all .4s cubic-bezier(.175,.885,.32,1.275);display:flex}.logo:hover .logo-icon{transform:rotate(90deg)scale(1.1);box-shadow:0 0 12px #ffffff26}.app-nav{flex-direction:column;gap:4px;margin-bottom:32px;display:flex}.nav-item{color:var(--text-secondary);text-align:left;background:0 0;border:none;border-radius:12px;align-items:center;gap:12px;width:100%;padding:12px 16px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--bg-hover);color:var(--text-primary);box-shadow:inset 2px 0 0 var(--accent-primary)}.history-list{flex-direction:column;flex:1;gap:4px;margin:0 -8px;padding:0 8px;display:flex;overflow:hidden auto}.history-header{color:var(--text-secondary);letter-spacing:.05em;text-transform:uppercase;padding:16px 8px 8px;font-size:12px;font-weight:600}.history-item{color:var(--text-secondary);text-align:left;white-space:nowrap;text-overflow:ellipsis;background:0 0;border:none;border-radius:8px;width:100%;padding:10px 12px;font-size:13.5px;transition:all .2s;display:block;overflow:hidden}.history-item:hover{background:var(--bg-hover);color:var(--text-primary)}.profile-widget{border-top:1px solid var(--border-color);margin-top:auto;padding-top:16px}.profile-btn{text-align:left;background:0 0;border:none;border-radius:12px;align-items:center;gap:12px;width:100%;padding:12px;transition:background .2s;display:flex}.profile-btn:hover{background:var(--bg-hover)}.avatar-small{background:var(--accent-gradient);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:600;display:flex}.profile-info{flex:1;overflow:hidden}.profile-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.profile-tier{color:var(--text-secondary);font-size:13px}.thinking-block{font-family:var(--font-mono);color:var(--text-secondary);background:var(--bg-surface);border-left:3px solid var(--accent-primary);white-space:pre-wrap;border-radius:0 8px 8px 0;margin:16px 0;padding:12px 16px;font-size:13px;display:block;position:relative}.thinking-block:before{content:"Deep Thought Process";font-family:var(--font-sans);text-transform:uppercase;letter-spacing:.5px;color:var(--text-primary);margin-bottom:8px;font-size:11px;font-weight:600;display:block}.chat-container{background:var(--bg-color);flex-direction:column;flex:1;display:flex;position:relative}.chat-header{z-index:10;background:linear-gradient(180deg, var(--bg-color) 0%, transparent 100%);pointer-events:none;justify-content:center;align-items:center;width:100%;padding:16px 24px;display:flex;position:absolute;top:0}.chat-scroll-area{scroll-behavior:smooth;flex-direction:column;flex:1;align-items:center;gap:24px;padding:80px 0 140px;display:flex;overflow-y:auto}.message-row{opacity:0;margin-bottom:32px;animation:.4s cubic-bezier(.16,1,.3,1) forwards fadeInUp;display:flex;transform:translateY(10px)}.message{border-radius:16px;gap:20px;width:100%;max-width:800px;padding:24px;animation:.4s cubic-bezier(.16,1,.3,1) slideUp;display:flex}.message.user{background:var(--bg-surface)}.message.ai{background:0 0}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-avatar{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:16px;font-weight:600;display:flex}.user .message-avatar{background:var(--bg-hover);border:1px solid var(--border-color);color:var(--text-secondary)}.ai .message-avatar{background:var(--text-primary);color:var(--bg-color)}.message-content{color:var(--text-primary);word-wrap:break-word;overflow-wrap:break-word;flex:1;min-width:0;padding-top:6px;font-size:15px;line-height:1.7}.message-content p{margin-bottom:16px}.message-content p:last-child{margin-bottom:0}.message-content pre{border:1px solid var(--border-color);background:#000;border-radius:8px;margin:16px 0;padding:16px;overflow-x:auto}.message-content code{font-family:JetBrains Mono,Fira Code,monospace;font-size:13px}.input-area-wrapper{background:linear-gradient(0deg, var(--bg-color) 40%, transparent 100%);z-index:10;flex-direction:column;justify-content:center;align-items:center;width:100%;padding:24px;display:flex;position:absolute;bottom:0;left:0}.input-box{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:24px;align-items:flex-end;gap:12px;width:100%;max-width:800px;padding:8px 16px;transition:border-color .3s,box-shadow .3s;display:flex;box-shadow:0 20px 40px #0006}.input-box:focus-within{border-color:var(--border-hover);box-shadow:0 20px 40px #0009, 0 0 0 1px var(--border-hover)}.input-box.generating{animation:2s cubic-bezier(.4,0,.6,1) infinite pulse-border}@keyframes pulse-border{0%,to{border-color:var(--glass-border)}50%{border-color:var(--accent-primary)}}.chat-input{color:var(--text-primary);font-family:var(--font-body);resize:none;background:0 0;border:none;outline:none;flex:1;min-height:24px;max-height:200px;padding:8px 4px;font-size:15px;line-height:1.5}.chat-input::placeholder{color:var(--text-secondary)}.icon-btn{color:var(--text-secondary);background:0 0;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;transition:all .2s;display:flex}.icon-btn:hover{background:var(--bg-hover);color:var(--text-primary);transform:scale(1.05)}.icon-btn.active{color:#ef4444;background:#ef44441a;animation:2s infinite pulse}@keyframes pulse{0%{box-shadow:0 0 #ef444466}70%{box-shadow:0 0 0 10px #ef444400}to{box-shadow:0 0 #ef444400}}.send-btn{background:var(--text-primary);color:var(--bg-color);border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;transition:all .2s;display:flex}.send-btn:hover:not(:disabled){transform:scale(1.05);box-shadow:0 4px 12px #ffffff1a}.send-btn:disabled{background:var(--bg-hover);color:var(--text-secondary);cursor:not-allowed;transform:scale(1)}.hero-state{flex-direction:column;justify-content:center;align-items:center;width:100%;margin:auto;padding:0 24px;animation:.8s ease-out fadeIn;display:flex}.hero-logo-large{font-family:var(--font-display);letter-spacing:-.05em;background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:4px;font-size:56px;font-weight:800}.hero-subtitle{color:var(--text-secondary);margin-bottom:24px;font-size:18px;font-weight:400}.prompt-grid{grid-template-columns:repeat(2,1fr);gap:16px;width:100%;max-width:680px;display:grid}.prompt-card{background:var(--bg-surface);border:1px solid var(--border-color);text-align:left;cursor:pointer;border-radius:16px;flex-direction:column;gap:12px;padding:20px;transition:all .3s cubic-bezier(.16,1,.3,1);display:flex}.prompt-card:hover{background:var(--bg-hover);border-color:var(--accent-primary);transform:translateY(-4px);box-shadow:0 12px 24px #ffffff14}.prompt-card-icon{color:var(--text-secondary)}.prompt-card-text{color:var(--text-primary);font-size:14px;font-weight:500}.page-container{width:100%;max-width:1000px;margin:0 auto;padding:40px 24px}.page-title{font-family:var(--font-display);letter-spacing:-.03em;margin-bottom:32px;font-size:32px;font-weight:700}.card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:16px;padding:32px}.form-group{flex-direction:column;gap:8px;margin-bottom:24px;display:flex}.form-label{color:var(--text-secondary);font-size:13px;font-weight:600}.form-input{background:var(--bg-color);border:1px solid var(--border-color);color:var(--text-primary);font-family:var(--font-body);border-radius:12px;outline:none;padding:12px 16px;font-size:14px;transition:border-color .2s}.form-input:focus{border-color:var(--text-primary)}.btn-primary{background:var(--text-primary);color:var(--bg-color);border:none;border-radius:12px;padding:12px 24px;font-size:14px;font-weight:600;transition:transform .2s,box-shadow .2s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 16px #ffffff1a}@keyframes shimmers{0%{background-position:-1000px 0}to{background-position:1000px 0}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUpFade{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-slide-up{animation:.6s cubic-bezier(.16,1,.3,1) forwards slideUpFade}@keyframes popIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.app-content{animation:.5s cubic-bezier(.16,1,.3,1) popIn}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinning-logo{animation:1.5s linear infinite spin}.skeleton-loader{background-color:var(--border-color);animation:1.5s cubic-bezier(.4,0,.6,1) infinite pulse-skeleton}@keyframes pulse-skeleton{0%,to{opacity:1}50%{opacity:.4}}@keyframes blink{50%{opacity:0}}.blinking-cursor{background-color:var(--text-primary);vertical-align:middle;width:8px;height:16px;margin-left:4px;animation:1s step-end infinite blink;display:inline-block}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.typing-indicator{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:16px;align-items:center;gap:6px;padding:8px 16px;display:inline-flex}.typing-indicator span{background:var(--text-secondary);border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite typingBounce}.typing-indicator span:first-child{animation-delay:0s}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-6px)}}.hljs{color:#c9d1d9;background:#0d1117!important}.hljs-keyword{color:#ff7b72}.hljs-string{color:#a5d6ff}.hljs-comment{color:#8b949e;font-style:italic}.hljs-function{color:#d2a8ff}.hljs-number{color:#79c0ff}.hljs-title{color:#d2a8ff}.hljs-built_in{color:#ffa657}.hljs-params{color:#c9d1d9}.hljs-attr{color:#79c0ff}.hljs-variable{color:#ffa657}.hljs-type{color:#ff7b72}.hljs-selector-tag{color:#7ee787}.hljs-selector-class{color:#d2a8ff}.hljs-meta,.hljs-literal{color:#79c0ff}.message-content pre{margin:16px 0;position:relative}.message-content pre code{border:1px solid var(--border-color);border-radius:12px;padding:16px;font-size:13px;line-height:1.6;display:block;overflow-x:auto}.code-copy-btn{color:var(--text-secondary);cursor:pointer;opacity:0;background:#ffffff1a;border:1px solid #ffffff1a;border-radius:6px;padding:6px 10px;font-size:12px;font-weight:500;transition:all .2s;position:absolute;top:8px;right:8px}.message-content pre:hover .code-copy-btn{opacity:1}.code-copy-btn:hover{color:var(--text-primary);background:#fff3}.message-timestamp{opacity:0;color:var(--text-secondary);padding-top:4px;font-size:11px;transition:opacity .2s}.message:hover .message-timestamp{opacity:1}@media print{body{color:#000!important;background:#fff!important}.sidebar,.input-area-wrapper,.mobile-sidebar-toggle,.nav-item,.profile-widget,.icon-btn,.send-btn{display:none!important}.chat-container{width:100%!important}.chat-scroll-area{padding:0!important;overflow:visible!important}.message{break-inside:avoid;border-bottom:1px solid #ccc;padding:16px 0}.message-avatar{color:#333!important;background:#eee!important}.message-content{color:#000!important}}@media (max-width:768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.prompt-grid{grid-template-columns:1fr}.message{padding:16px}.landing-nav{flex-direction:column!important;gap:16px!important;padding:24px 5%!important}.landing-nav-links{flex-wrap:wrap!important;justify-content:center!important;gap:16px!important}.landing-hero{padding:80px 5% 40px!important}.landing-hero-title{letter-spacing:-2px!important;font-size:48px!important}.landing-hero-actions{flex-direction:column!important;align-items:center!important}.landing-hero-actions a{justify-content:center!important;width:100%!important}.landing-footer{text-align:center!important;flex-direction:column!important;gap:24px!important}.auth-container{align-items:flex-start!important;padding:80px 24px 24px!important}.auth-card{border-radius:16px!important;padding:24px!important}.auth-back-btn{top:20px!important;left:20px!important}}.mobile-sidebar-toggle{display:none}@media (max-width:768px){.app-container{flex-direction:column!important}.sidebar{height:100vh;top:0;left:0;transform:translate(0);box-shadow:4px 0 24px #00000080;z-index:1000!important;background:var(--bg-surface)!important;width:280px!important;position:fixed!important}.sidebar.collapsed{box-shadow:none;width:280px!important;padding:24px 16px!important;transform:translate(-100%)!important}.sidebar.collapsed .sidebar-text,.sidebar.collapsed .history-list{display:block!important}.sidebar.collapsed .logo{justify-content:space-between!important;padding:0 8px!important}.sidebar.collapsed .nav-item{justify-content:flex-start!important;padding:12px 16px!important}.chat-container{width:100vw!important;height:100vh!important}.mobile-sidebar-toggle{z-index:90;background:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;border-radius:8px;padding:8px;position:absolute;top:24px;left:24px;display:flex!important}.chat-scroll-area{padding:80px 5% 160px!important}.input-area-wrapper{padding:16px!important}.hero-logo-large{font-size:48px!important}}.dropdown-item{width:100%;color:var(--text-primary);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;gap:8px;padding:8px 12px;font-size:13px;transition:background .2s;display:flex}.dropdown-item:hover{background:var(--bg-hover)}.chat-options-btn:hover{background:var(--bg-hover)!important}.gh-btn-icon{color:var(--text-secondary);background:0 0}.gh-btn-icon:hover{background:var(--bg-hover);color:var(--text-primary)}.gh-dropdown{background:var(--bg-surface);border-color:var(--border-color)}.gh-item{color:var(--text-secondary);background:0 0}.gh-item:hover{background:var(--bg-hover);color:var(--text-primary)}.gh-text-primary{color:var(--text-primary)}.gh-text-secondary{color:var(--text-secondary)}.gh-border{border-color:var(--border-color)}.gh-avatar-btn{background:var(--bg-surface);border-color:var(--border-color)}.gh-avatar-btn:hover{border-color:var(--border-hover)}.gh-signin{background:var(--text-primary);color:var(--bg-color)}.gh-signin:hover{opacity:.8}.mobile-backdrop,.mobile-sidebar-close,.mobile-bottom-nav,.mobile-top-header{display:none}@media (max-width:768px){.mobile-backdrop,.desktop-sidebar-toggle,.mobile-sidebar-close,.mobile-sidebar-toggle,.sidebar{display:none!important}.chat-container,.app-container{padding-top:60px!important;padding-bottom:70px!important}.chat-input{min-height:48px!important;font-size:16px!important}.mobile-top-header{background:var(--bg-color);border-bottom:1px solid var(--border-color);z-index:1000;width:100%;height:60px;padding-top:env(safe-area-inset-top);display:block;position:fixed;top:0;left:0}.mobile-top-header-inner{justify-content:space-between;align-items:center;height:100%;padding:0 16px;display:flex}.mobile-logo{letter-spacing:-.04em;color:var(--text-primary);align-items:center;gap:8px;font-size:16px;font-weight:700;display:flex}.mobile-logo-icon{background:var(--text-primary);width:24px;height:24px;color:var(--bg-color);border-radius:6px;justify-content:center;align-items:center;display:flex}.mobile-header-right{align-items:center;gap:12px;display:flex}.mobile-theme-wrapper{align-items:center;display:flex}.desktop-header-controls{display:none!important}.mobile-bottom-nav{background:var(--bg-surface);border-top:1px solid var(--border-color);z-index:1000;width:100%;height:70px;padding-bottom:env(safe-area-inset-bottom);display:block;position:fixed;bottom:0;left:0}.mobile-bottom-nav-inner{justify-content:space-around;align-items:center;height:100%;padding:0 8px;display:flex}.mobile-nav-item{color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:4px;min-width:60px;padding:8px;font-size:10px;font-weight:500;transition:all .2s;display:flex}.mobile-nav-item.active{color:var(--text-primary)}.mobile-nav-icon{background:0 0;border-radius:12px;justify-content:center;align-items:center;width:32px;height:32px;transition:all .2s;display:flex}.mobile-nav-item.active .mobile-nav-icon{background:var(--bg-hover);color:var(--text-primary)}.mobile-nav-fab{position:relative;top:-15px}.mobile-fab-inner{background:var(--text-primary);border-radius:25px;justify-content:center;align-items:center;width:50px;height:50px;display:flex;box-shadow:0 4px 12px #0003}.mobile-fab-icon{color:var(--bg-color)}}