:root{color-scheme:dark;--bg:#0d1117;--panel:#111820;--panel-2:#18212b;--hover:#1d2833;--text:#f3f5f7;--muted:#9aa7b4;--border:#27323d;--accent:#a3b18a;--accent-strong:#c4d3b2;--danger:#ef8c8c;--sidebar:280px;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--text)}button,input,textarea{font:inherit}.hidden{display:none!important}.login-view{min-height:100%;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 25%,#17242a 0,transparent 38%),var(--bg)}.login-card{width:min(100%,390px);display:flex;flex-direction:column;padding:30px;border:1px solid var(--border);border-radius:18px;background:rgba(17,24,32,.94);box-shadow:0 24px 80px rgba(0,0,0,.28)}.login-card .brand-mark{align-self:center}.login-card h1{font-size:26px;line-height:1.2;text-align:center;margin:20px 0 7px}.login-card>p{text-align:center;color:var(--muted);margin:0 0 28px}.login-card label{font-size:14px;font-weight:600;margin:13px 0 7px}.login-card input{width:100%;height:48px;border:1px solid var(--border);border-radius:10px;background:#0b1016;color:var(--text);padding:0 13px;outline:none}.login-card input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(163,177,138,.15)}button{color:inherit}.primary{height:48px;margin-top:22px;border:0;border-radius:10px;background:var(--accent);color:#06120f;font-weight:700;cursor:pointer}.primary:hover{background:var(--accent-strong)}.form-error{min-height:20px;color:var(--danger);font-size:14px;margin-top:12px}.app-view{height:100%;display:grid;grid-template-columns:var(--sidebar) 1fr}.sidebar{height:100%;display:flex;flex-direction:column;background:var(--panel);border-right:1px solid var(--border);padding:12px}.sidebar-head{height:48px;display:flex;align-items:center;justify-content:space-between;padding:0 6px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.02em}.brand-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:var(--accent);color:#071512;font-weight:800;font-size:23px}.brand-mark.small{width:30px;height:30px;border-radius:9px;font-size:15px}.brand-mark.large{width:58px;height:58px;border-radius:17px;font-size:28px}.new-chat{height:46px;display:flex;align-items:center;gap:11px;width:100%;padding:0 12px;margin:8px 0 16px;border:1px solid var(--border);border-radius:10px;background:transparent;cursor:pointer;font-weight:600;text-align:left}.new-chat:hover,.chat-item:hover{background:var(--hover)}.icon-plus{position:relative;width:18px;height:18px}.icon-plus:before,.icon-plus:after{content:"";position:absolute;background:currentColor;border-radius:1px}.icon-plus:before{width:16px;height:2px;top:8px;left:1px}.icon-plus:after{width:2px;height:16px;left:8px;top:1px}.section-label{padding:0 10px 7px;color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.chat-list{overflow:auto;min-height:0;flex:1}.chat-item{position:relative;display:flex;align-items:center;width:100%;height:42px;margin:2px 0;padding:0 42px 0 11px;border:0;border-radius:8px;background:transparent;color:var(--text);cursor:pointer;text-align:left}.chat-item.active{background:var(--panel-2)}.chat-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-actions{display:none;position:absolute;right:5px;top:4px}.chat-item:hover .chat-actions,.chat-item:focus-within .chat-actions,.chat-item.active .chat-actions{display:flex}.more-button{width:34px;height:34px;border:0;border-radius:7px;background:transparent;cursor:pointer;font-size:18px}.more-button:hover{background:#293541}.action-menu{position:fixed;z-index:20;width:142px;padding:5px;border:1px solid var(--border);border-radius:9px;background:#1b2530;box-shadow:0 12px 30px rgba(0,0,0,.35)}.action-menu button{display:block;width:100%;height:36px;padding:0 10px;border:0;border-radius:6px;background:transparent;text-align:left;cursor:pointer}.action-menu button:hover{background:#26333f}.action-menu .danger{color:var(--danger)}.sidebar-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding:12px 5px 2px}.user-row{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600}.avatar{display:grid;place-items:center;width:31px;height:31px;border-radius:50%;background:#2c3b46;color:var(--accent-strong)}.icon-button{width:40px;height:40px;display:grid;place-items:center;border:0;border-radius:9px;background:transparent;cursor:pointer}.icon-button:hover{background:var(--hover)}#logout:before{content:"";width:18px;height:18px;background:center/contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%23dbe2e8' stroke-width='1.8' viewBox='0 0 24 24'%3E%3Cpath d='M10 17l5-5-5-5M15 12H3M14 3h5a2 2 0 012 2v14a2 2 0 01-2 2h-5'/%3E%3C/svg%3E")}.main{height:100%;min-width:0;display:flex;flex-direction:column}.topbar{height:58px;display:flex;align-items:center;padding:0 18px;border-bottom:1px solid transparent}.current-title{font-size:14px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-spacer{width:40px}.conversation{min-height:0;flex:1;overflow:auto;scroll-behavior:smooth}.empty-state{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 20px 150px;text-align:center}.empty-state h1{font-size:30px;margin:19px 0 8px;letter-spacing:-.025em}.empty-state p{max-width:520px;color:var(--muted);margin:0;line-height:1.55}.messages{width:min(100%,820px);margin:0 auto;padding:25px 22px 190px}.message{display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;margin:0 0 30px}.message.user{display:flex;justify-content:flex-end}.message.user .content{max-width:min(78%,680px);padding:11px 15px;border-radius:18px 18px 5px 18px;background:var(--panel-2);white-space:pre-wrap}.message.assistant .assistant-avatar{display:grid;place-items:center;width:31px;height:31px;border-radius:9px;background:var(--accent);color:#071512;font-size:14px;font-weight:800}.content{min-width:0;line-height:1.65;word-wrap:break-word}.content>:first-child{margin-top:0}.content>:last-child{margin-bottom:0}.content p{margin:0 0 15px}.content h2,.content h3{line-height:1.3;margin:24px 0 10px}.content h2{font-size:20px}.content h3{font-size:17px}.content ul,.content ol{padding-left:24px}.content li{margin:6px 0}.content code{padding:2px 5px;border-radius:5px;background:#18222c;font:13px ui-monospace,SFMono-Regular,Consolas,monospace}.content pre{overflow:auto;padding:14px;border:1px solid var(--border);border-radius:9px;background:#090e13}.content pre code{padding:0;background:none}.content a{color:var(--accent-strong)}.thinking{color:var(--muted)}.thinking-dots:after{content:"";animation:dots 1.2s steps(4,end) infinite}@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%,100%{content:"..."}}.composer-zone{position:absolute;left:var(--sidebar);right:0;bottom:0;padding:20px max(20px,calc((100vw - var(--sidebar) - 820px)/2));background:linear-gradient(transparent,var(--bg) 27%)}.composer{display:flex;align-items:flex-end;gap:9px;width:100%;min-height:56px;padding:8px 8px 8px 17px;border:1px solid var(--border);border-radius:18px;background:var(--panel-2);box-shadow:0 10px 30px rgba(0,0,0,.18)}.composer:focus-within{border-color:#3c4b58}.composer textarea{flex:1;max-height:180px;resize:none;overflow-y:auto;border:0;outline:0;background:transparent;color:var(--text);padding:9px 0;line-height:1.45}.composer textarea::placeholder{color:#8995a0}.send-button{flex:0 0 auto;width:40px;height:40px;border:0;border-radius:12px;background:var(--accent);cursor:pointer}.send-button:before{content:"";display:block;width:20px;height:20px;margin:auto;background:center/contain no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%23071512' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 24 24'%3E%3Cpath d='M12 19V5M6 11l6-6 6 6'/%3E%3C/svg%3E")}.send-button:disabled{opacity:.35;cursor:not-allowed}.legal-note{text-align:center;color:var(--muted);font-size:11px;margin:9px 8px 0}.toast{position:fixed;z-index:100;left:50%;bottom:24px;transform:translate(-50%,20px);padding:10px 14px;border:1px solid var(--border);border-radius:9px;background:#202b35;opacity:0;pointer-events:none;transition:.18s}.toast.show{opacity:1;transform:translate(-50%,0)}.scrim,.mobile-only{display:none}
@media(max-width:760px){:root{--sidebar:290px}.app-view{display:block}.sidebar{position:fixed;z-index:40;left:0;top:0;width:var(--sidebar);transform:translateX(-105%);transition:transform .2s ease;box-shadow:15px 0 40px rgba(0,0,0,.38)}.sidebar.open{transform:translateX(0)}.scrim{display:block;position:fixed;z-index:30;inset:0;background:rgba(0,0,0,.48);opacity:0;pointer-events:none;transition:opacity .2s}.scrim.open{opacity:1;pointer-events:auto}.mobile-only{display:grid}#closeSidebar:before{content:"×";font-size:27px;font-weight:300}#openSidebar:before{content:"";width:21px;height:17px;border-top:2px solid;border-bottom:2px solid;background:linear-gradient(currentColor,currentColor) center/100% 2px no-repeat}.topbar{border-color:var(--border);gap:8px;padding:0 10px}.current-title{flex:1;text-align:center}.composer-zone{left:0;padding:19px 12px max(10px,env(safe-area-inset-bottom))}.messages{padding:20px 14px 175px}.message{grid-template-columns:30px minmax(0,1fr);gap:10px}.message.user .content{max-width:88%}.empty-state{padding-bottom:130px}.empty-state h1{font-size:27px}.legal-note{font-size:10px}.login-view{padding:16px}.login-card{padding:25px 20px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation-duration:.001ms!important}}