:root{--color-bg: #000000;--color-sidebar: #111111;--color-primary: #ffffff;--color-secondary: #333333;--color-accent: #00ff9d;--color-text: #ffffff;--color-text-muted: #888888;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--font-main: "Inter", sans-serif}body{margin:0;font-family:var(--font-main);background-color:var(--color-bg);color:var(--color-text);overflow:hidden}@keyframes bounceIn{0%{transform:scale(.8);opacity:0}60%{transform:scale(1.05);opacity:1}to{transform:scale(1)}}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}.btn-bouncy{transition:transform .1s cubic-bezier(.175,.885,.32,1.275)}.btn-bouncy:active{transform:scale(.95)}.app-container{display:flex;height:100vh;width:100vw;background:linear-gradient(135deg,#1a1a1a,#000)}.sidebar{width:260px;background:#141414cc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-right:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;padding:1rem;transition:transform .3s ease}.sidebar-header{padding-bottom:1rem;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:1rem}.new-chat-btn{width:100%;padding:.8rem;background:var(--color-accent);color:#000;border:none;border-radius:var(--radius-md);font-weight:700;cursor:pointer;transition:transform .2s;display:flex;align-items:center;justify-content:center;gap:.5rem}.new-chat-btn:hover{transform:scale(1.02)}.history-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:.5rem}.history-item{padding:.8rem;border-radius:var(--radius-sm);cursor:pointer;color:var(--color-text-muted);transition:all .2s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item:hover{background:#ffffff0d;color:var(--color-text)}.history-item.active{background:#ffffff1a;color:var(--color-text);border-left:3px solid var(--color-accent)}.chat-main{flex:1;display:flex;flex-direction:column;position:relative;background:linear-gradient(180deg,#1a1a1a,#0d0d0d)}.chat-header{padding:1rem 2rem;border-bottom:1px solid rgba(255,255,255,.05);display:flex;justify-content:space-between;align-items:center;background:#0003}.messages-container{flex:1;overflow-y:auto;padding:2rem;display:flex;flex-direction:column;gap:1.5rem}.message{max-width:80%;padding:1rem 1.5rem;border-radius:var(--radius-lg);line-height:1.5;animation:fadeIn .3s ease}.message.user{align-self:flex-end;background:var(--color-accent);color:#000;border-bottom-right-radius:4px}.message.assistant{align-self:flex-start;background:#ffffff1a;border:1px solid rgba(255,255,255,.1);border-bottom-left-radius:4px}.input-area{padding:1.5rem 2rem;background:#0006;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.05)}.input-wrapper{display:flex;gap:1rem;max-width:900px;margin:0 auto;background:#ffffff0d;padding:.5rem;border-radius:30px;border:1px solid rgba(255,255,255,.1);align-items:center}.chat-input,.input-wrapper input{flex:1;background:transparent;border:none;padding:.8rem 1.2rem;color:#fff;font-size:1rem;outline:none;min-width:0}.input-wrapper button{background:var(--color-accent);color:#000;border:none;width:45px;height:45px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s;flex-shrink:0;font-size:1.2rem}.input-wrapper button:hover{transform:scale(1.1)}.input-wrapper button:disabled{opacity:.5;cursor:not-allowed;transform:none}.send-btn:hover{transform:scale(1.1)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.input-cool{width:100%;padding:15px;margin:10px 0;background:#ffffff1a;border:2px solid rgba(255,255,255,.2);border-radius:12px;color:#fff;font-size:1.1rem;outline:none;transition:all .3s ease;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.input-cool:focus{border-color:var(--color-accent);background:#ffffff26;transform:scale(1.02);box-shadow:0 0 15px #feca574d}.input-cool::placeholder{color:#ffffff80}.login-container{background:#0006;padding:3rem;border-radius:24px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);box-shadow:0 20px 50px #0000004d;width:100%;max-width:400px}.mode-selector{display:flex;gap:.5rem;overflow-x:auto;padding-bottom:5px}.mode-btn{background:transparent;border:1px solid rgba(255,255,255,.2);color:#888;padding:.5rem 1rem;border-radius:20px;cursor:pointer;font-size:.85rem;transition:all .2s;white-space:nowrap}.mode-btn:hover{border-color:#ffffff80;color:#fff}.mode-btn.active{background:#fff;color:#000;border-color:#fff}.delete-btn{opacity:0;transition:opacity .2s}.history-item:hover .delete-btn{opacity:1}.delete-btn:hover{color:#f44!important}.chat-header{padding:1rem 2rem;border-bottom:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;background:#0003;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.model-selector{display:flex;gap:.5rem;font-size:.9rem}.message-content{white-space:pre-wrap;line-height:1.5}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#666;text-align:center}.empty-state h1{color:#fff;margin-bottom:.5rem}pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}.hljs{color:#c9d1d9;background:#0d1117}.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#ff7b72}.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#d2a8ff}.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-variable,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id{color:#79c0ff}.hljs-regexp,.hljs-string,.hljs-meta .hljs-string{color:#a5d6ff}.hljs-built_in,.hljs-symbol{color:#ffa657}.hljs-comment,.hljs-code,.hljs-formula{color:#8b949e}.hljs-name,.hljs-quote,.hljs-selector-tag,.hljs-selector-pseudo{color:#7ee787}.hljs-subst{color:#c9d1d9}.hljs-section{color:#1f6feb;font-weight:700}.hljs-bullet{color:#f2cc60}.hljs-emphasis{color:#c9d1d9;font-style:italic}.hljs-strong{color:#c9d1d9;font-weight:700}.hljs-addition{color:#aff5b4;background-color:#033a16}.hljs-deletion{color:#ffdcd7;background-color:#67060c}