:root{--bg:#07110f;--panel:#0c1815;--panel2:#10201c;--line:#20342e;--text:#eff8f5;--muted:#8ea59e;--accent:#70e0bb;--accent2:#b9ffdf;--danger:#ff9d90;--shadow:0 18px 60px #0008;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 55% -20%,#183b31 0,transparent 38%),var(--bg);color:var(--text);height:100dvh;overflow:hidden}button,input,textarea,select{font:inherit;color:inherit}.app-shell{display:grid;grid-template-columns:290px 1fr;height:100dvh}.sidebar{background:#08130ff2;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:22px 16px 14px;min-width:0}.brand{display:flex;align-items:center;gap:11px;padding:0 8px 20px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;color:#082019;background:linear-gradient(135deg,var(--accent2),var(--accent));font-weight:900}.brand strong,.brand small{display:block}.brand small{color:var(--muted);font-size:11px;margin-top:1px}.new-chat{border:1px solid #3b6759;background:#11251f;border-radius:13px;padding:11px 14px;text-align:left;font-weight:700;cursor:pointer}.new-chat:hover{border-color:var(--accent);background:#173128}.search{display:flex;align-items:center;gap:8px;background:#0d1b17;border:1px solid var(--line);border-radius:12px;padding:9px 11px;margin:14px 0 10px;color:var(--muted)}.search input{width:100%;border:0;outline:0;background:transparent;font-size:13px}.chat-list{overflow:auto;flex:1}.chat-item{position:relative;border-radius:12px;padding:10px 38px 10px 11px;margin:3px 0;cursor:pointer;color:#c8d8d3}.chat-item:hover,.chat-item.active{background:#142720;color:#fff}.chat-item strong{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-item small{color:var(--muted);font-size:11px}.chat-menu{position:absolute;right:7px;top:8px;border:0;background:transparent;color:var(--muted);cursor:pointer;padding:4px 8px}.sidebar-foot{border-top:1px solid var(--line);padding:13px 8px 2px;color:var(--muted);font-size:12px;display:flex;gap:8px;align-items:center}.status-dot{width:7px;height:7px;border-radius:50%;background:#65736f}.status-dot.online{background:var(--accent);box-shadow:0 0 12px #70e0bb99}.workspace{min-width:0;display:grid;grid-template-rows:auto auto 1fr auto auto;height:100dvh}.topbar{display:flex;align-items:center;gap:10px;padding:14px 24px;border-bottom:1px solid var(--line);background:#08130fbb;backdrop-filter:blur(14px)}.chat-heading{flex:1;min-width:0}.chat-heading input{border:0;background:transparent;outline:0;font-weight:750;font-size:16px;width:min(520px,100%);padding:0}.model-line{display:flex;align-items:center;gap:5px;color:var(--muted);font-size:11px;margin-top:3px}.link-button{border:0;background:transparent;color:var(--accent);padding:0;cursor:pointer;max-width:270px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.top-actions{display:flex}.icon{border:0;background:transparent;color:var(--muted);cursor:pointer;border-radius:10px;min-width:40px;height:40px;font-size:18px}.icon:hover{background:#193028;color:var(--text)}.context-strip{display:flex;align-items:center;gap:18px;padding:8px 26px;background:#0a1713;color:var(--muted);font-size:11px;border-bottom:1px solid #172923}.context-strip>div:first-child{display:flex;gap:8px}.context-strip small{color:#637a73}.context-meter{margin-left:auto;width:120px;height:3px;background:#21352f;border-radius:2px;overflow:hidden}.context-meter i{display:block;height:100%;width:0;background:var(--accent);transition:.3s}.messages{overflow:auto;padding:28px max(24px,calc((100% - 900px)/2));scroll-behavior:smooth}.empty{min-height:100%;display:grid;place-items:center;text-align:center}.empty-mark{font-size:12px;color:var(--accent);letter-spacing:.22em}.empty h1{font-size:30px;margin:9px 0}.empty p{color:var(--muted);margin:0 0 25px}.suggestions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.suggestions button{border:1px solid var(--line);background:#0e1d19;border-radius:999px;padding:9px 13px;cursor:pointer;color:#bad0c9}.message{display:grid;grid-template-columns:34px 1fr;gap:12px;margin:0 0 27px}.avatar{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-weight:800;font-size:12px;background:#19332a;color:var(--accent)}.message.user .avatar{background:#2a3733;color:#fff}.message-head{display:flex;align-items:center;gap:8px;margin-bottom:7px}.message-head strong{font-size:13px}.message-head small{color:var(--muted);font-size:10px}.message-content{line-height:1.68;color:#e2efeb;font-size:15px;overflow-wrap:anywhere}.message-content p{margin:.2em 0 .9em}.message-content h1,.message-content h2,.message-content h3{line-height:1.25;margin:1.1em 0 .45em}.message-content ul,.message-content ol{padding-left:22px}.message-content blockquote{border-left:3px solid var(--accent);margin:12px 0;padding:3px 13px;color:#b6c9c3}.message-content a{color:#8ef0ce}.message-content code{font-family:"Cascadia Code",Consolas,monospace;background:#172923;padding:2px 5px;border-radius:5px}.code-block{position:relative;margin:14px 0;background:#050b09;border:1px solid var(--line);border-radius:12px;overflow:hidden}.code-head{display:flex;justify-content:space-between;padding:7px 10px;background:#11201c;color:var(--muted);font-size:10px}.code-head button{border:0;background:transparent;color:var(--accent);cursor:pointer}.code-block pre{margin:0;padding:14px;overflow:auto}.code-block code{background:transparent;padding:0}.message-tools{display:flex;gap:3px;margin-top:8px;opacity:.75}.message-tools button{border:0;background:transparent;color:var(--muted);font-size:11px;padding:5px 7px;cursor:pointer;border-radius:7px}.message-tools button:hover{background:#172a24;color:var(--accent)}.tool-chip{display:inline-flex;align-items:center;border:1px solid #315b4e;border-radius:8px;color:var(--accent);font-size:11px;padding:5px 8px;margin-top:8px}.activity{margin:0 max(18px,calc((100% - 900px)/2)) 10px;border:1px solid #315448;background:#11241e;border-radius:13px;padding:10px 12px;display:flex;align-items:center;gap:10px}.activity.hidden{display:none}.activity div{flex:1}.activity strong,.activity small{display:block}.activity strong{font-size:12px}.activity small{font-size:10px;color:var(--muted);margin-top:2px}.activity button{border:0;background:transparent;color:var(--danger);cursor:pointer}.spinner{width:15px;height:15px;border:2px solid #315448;border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.composer-wrap{padding:0 max(18px,calc((100% - 900px)/2)) 12px;background:linear-gradient(transparent,#07110f 24%)}.composer{display:flex;align-items:flex-end;gap:4px;background:#11201c;border:1px solid #315047;border-radius:18px;padding:7px;box-shadow:var(--shadow)}.composer:focus-within{border-color:#4d8373}.composer textarea{flex:1;resize:none;max-height:180px;min-height:40px;border:0;outline:0;background:transparent;padding:10px 7px;line-height:1.4}.send{width:40px;height:40px;border:0;border-radius:12px;background:var(--accent);color:#06130f;font-size:20px;font-weight:900;cursor:pointer}.send:disabled{opacity:.3}.disclaimer{display:block;text-align:center;color:#536a63;font-size:10px;margin-top:7px}.attachment-preview{margin:0 0 7px;padding:8px 11px;border:1px solid var(--line);border-radius:10px;background:#0f1f1a;font-size:11px;color:var(--muted)}.hidden{display:none!important}.backdrop{position:fixed;inset:0;background:#0009;z-index:8}.panel{position:fixed;right:0;top:0;bottom:0;width:min(470px,100%);z-index:9;background:#0a1713;border-left:1px solid var(--line);box-shadow:var(--shadow);padding:23px;overflow:auto}.panel-head{display:flex;justify-content:space-between;align-items:start;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:18px}.panel-head small{color:var(--accent);letter-spacing:.17em}.panel-head h2{margin:4px 0 0}.setting-card{background:#0e1d19;border:1px solid var(--line);border-radius:13px;padding:14px;margin-bottom:10px}.setting-card label{display:block;font-size:12px;color:#c9d9d4;margin-bottom:7px}.setting-card input,.setting-card textarea,.setting-card select{width:100%;background:#07120f;border:1px solid #29433b;border-radius:9px;padding:9px;outline:0}.setting-card input:focus,.setting-card textarea:focus{border-color:var(--accent)}.row{display:flex;gap:9px;align-items:center}.row>*{flex:1}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.toggle-row input{width:auto}.model-card{border:1px solid var(--line);border-radius:12px;padding:12px;margin:8px 0;cursor:pointer}.model-card:hover,.model-card.active{border-color:var(--accent);background:#10251e}.model-card strong,.model-card small{display:block}.model-card small{color:var(--muted);margin-top:4px}.primary,.danger{border:0;border-radius:9px;padding:9px 12px;cursor:pointer;background:var(--accent);color:#06130f;font-weight:700}.danger{background:#3a201d;color:#ffc1b7}.toast{position:fixed;z-index:20;left:50%;bottom:22px;transform:translate(-50%,20px);background:#e8fff7;color:#07110f;padding:10px 14px;border-radius:10px;opacity:0;pointer-events:none;transition:.2s;font-size:12px}.toast.show{opacity:1;transform:translate(-50%,0)}.mobile-only{display:none}
.login-screen{position:fixed;z-index:30;inset:0;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 50% 0,#1a4638 0,transparent 43%),#06100d}.login-screen.hidden{display:none}.login-card{width:min(410px,100%);background:#0c1a16;border:1px solid #29483e;border-radius:22px;padding:30px;box-shadow:var(--shadow)}.login-card .brand-mark{margin-bottom:18px}.login-card h1{margin:8px 0;font-size:25px}.login-card>p{color:var(--muted);margin:0 0 22px}.login-card label{display:block;color:#c7d8d2;font-size:12px;margin:12px 0}.login-card label input:not([type=checkbox]){display:block;width:100%;margin-top:6px;background:#07120f;border:1px solid #315047;border-radius:10px;padding:11px;outline:0}.login-card label input:focus{border-color:var(--accent)}.login-card .remember{display:flex;align-items:center;gap:8px}.login-error{min-height:20px;color:var(--danger);font-size:12px}.login-card .primary{width:100%;padding:12px}
@media(max-width:760px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:12;inset:0 60px 0 0;transform:translateX(-100%);transition:.2s;box-shadow:var(--shadow)}.sidebar.open{transform:none}.mobile-only{display:block}.topbar{padding:10px 12px}.context-strip{padding:7px 14px}.context-meter{width:70px}.messages{padding:20px 15px}.composer-wrap{padding:0 10px 9px}.message{grid-template-columns:28px 1fr;gap:9px}.avatar{width:27px;height:27px}.top-actions .icon:first-child{display:none}}