:root{color-scheme:dark;--bg:#101621;--panel:#151c29;--panel2:#1c2535;--line:#293347;--text:#edf1f8;--muted:#94a2b8;--accent:#a799ff;--accent2:#7963e8;--danger:#ff9e9e;font-family:Inter,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button{color:inherit}input,select{width:100%;background:#101621;border:1px solid var(--line);border-radius:9px;color:var(--text);padding:12px;margin-top:8px}label{display:block;font-size:.875rem;font-weight:500;margin-top:24px}label small{display:block;color:var(--muted);font-weight:400;line-height:1.6;margin-top:8px}h1,h2,p{margin-top:0}.muted{color:var(--muted);line-height:1.6}.eyebrow{font-size:.75rem;letter-spacing:.14em;color:var(--muted)}.brand-mark{background:var(--accent);color:#151126;width:38px;height:38px;display:grid;place-items:center;font-size:1.9rem;font-weight:800;border-radius:11px;font-family:monospace}.login-screen{min-height:100dvh;display:grid;place-items:center;padding:24px;background:radial-gradient(ellipse at 50% 20%,#211f3c 0,transparent 65%)}.login-card{width:100%;max-width:410px;padding:38px;background:var(--panel);border:1px solid var(--line);border-radius:20px;box-shadow:0 22px 80px #0004}.login-card .brand-mark{margin-bottom:28px}.login-card h1{font-size:1.75rem;letter-spacing:-.04em;margin-bottom:12px}.primary{display:flex;justify-content:space-between;align-items:center;width:100%;border:0;border-radius:10px;padding:14px 17px;font-weight:600;background:var(--accent);color:#171329;margin-top:28px}.login-foot{font-size:.75rem;color:var(--muted);text-align:center;margin-top:30px}.error{color:var(--danger);font-size:.875rem;line-height:1.6;margin-top:14px;margin-bottom:0}.workspace{display:flex;height:100dvh;min-height:460px}.workspace[hidden],section[hidden],button[hidden],div[hidden]{display:none!important}.sidebar{width:270px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--line);padding:28px 18px 18px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;padding:0 8px 27px}.brand strong{font-size:1.15rem;display:block;letter-spacing:-.025em}.brand span{font-size:.75rem;color:var(--muted);display:block;margin-top:5px}.new-button{background:var(--panel2);border:1px solid #39435a;border-radius:10px;padding:12px;text-align:left;font-size:.875rem}.new-button:hover{border-color:var(--accent)}.sidebar-label{font-size:.75rem;color:var(--muted);margin:30px 10px 10px}nav{overflow:auto;flex:1}.thread-button{background:transparent;border:1px solid transparent;border-radius:9px;padding:12px 10px;text-align:left;width:100%;margin-bottom:5px;font-size:.875rem}.thread-button.selected{background:#29263e;border-color:#494061}.thread-button:hover{background:var(--panel2)}.thread-button strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}.thread-button small{display:block;color:var(--muted);font-size:.75rem;margin-top:7px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list-empty{color:var(--muted);font-size:.875rem;padding:10px}.sidebar-footer{padding:16px 10px 0;border-top:1px solid var(--line);font-size:.875rem}.sidebar-footer small{display:block;color:var(--muted);margin-top:6px;font-size:.75rem}.footer-actions{display:flex;gap:20px;margin-top:18px}.footer-actions button{background:none;border:0;padding:0;color:var(--muted);font-size:.75rem}.main{min-width:0;flex:1;display:flex;flex-direction:column}.topbar{border-bottom:1px solid var(--line);padding:22px 30px;display:flex;align-items:center;gap:12px;min-height:86px}.conversation-heading{min-width:0;flex:1}.conversation-heading h1{font-size:1rem;font-weight:600;margin:0 0 7px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-heading span{font-family:monospace;color:var(--muted);font-size:.75rem;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.connection-status{font-size:.75rem;padding:6px 10px;border-radius:7px;background:var(--panel2);color:var(--muted);white-space:nowrap}.connection-status.online{color:#b9ccde}.connection-status.offline{color:var(--danger)}.messages{overflow:auto;flex:1;padding:34px max(24px,calc((100% - 800px)/2));scroll-behavior:smooth}.empty-state{max-width:530px;margin:8vh auto 3vh;text-align:center}.orbital-mark{margin:0 auto 30px;font-family:monospace;font-size:4rem;color:var(--accent);letter-spacing:-.12em;line-height:1.2}.orbital-mark span{color:#536179}.empty-state h2{font-size:1.75rem;letter-spacing:-.04em;font-weight:600}.empty-state>p:not(.eyebrow){color:var(--muted);line-height:1.8;font-size:1rem}.empty-note{display:inline-block;font-size:.75rem;color:var(--muted);padding:10px 16px;border:1px solid var(--line);border-radius:8px;margin-top:12px}.message{margin-bottom:26px;line-height:1.8;overflow-wrap:anywhere}.message .message-label{font-size:.75rem;color:var(--muted);margin-bottom:10px;display:flex;align-items:center;gap:8px}.message.user{border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:16px 20px}.message.agent{padding:8px 4px}.message.agent .message-label{color:var(--accent)}.message-text{white-space:pre-wrap;font-size:1rem}.message.agent.commentary .message-text{color:#b5c1d4;font-size:.875rem}.tool-card{border:1px solid var(--line);border-radius:10px;margin:14px 0;background:#131a26;overflow:hidden}.tool-card summary{padding:11px 14px;cursor:pointer;color:var(--muted);font-size:.875rem;overflow-wrap:anywhere}.tool-card pre,.approval-panel pre{font-family:"Cascadia Code",Consolas,monospace;font-size:.8125rem;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere;max-height:300px;overflow:auto;margin:0;padding:14px;background:#0e141e}.tool-card.failed summary{color:var(--danger)}.composer-area{padding:12px max(24px,calc((100% - 800px)/2)) 16px;background:linear-gradient(transparent,var(--bg) 25%)}.composer{background:var(--panel);border:1px solid #3b4459;border-radius:14px;padding:14px 16px;box-shadow:0 8px 30px #0002}.composer textarea{resize:none;width:100%;color:var(--text);border:0;background:none;outline:none;line-height:1.7;padding:2px;max-height:220px;min-height:65px;font-size:1rem}.composer textarea::placeholder{color:#8391a8}.composer-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:8px}.composer-controls{display:flex;align-items:center;gap:12px;min-width:0;flex:1}.composer-controls>span{font-size:.75rem;color:var(--muted);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.effort-label{margin:0;flex-shrink:0}.effort-label select{font-size:.75rem;padding:5px 8px;margin:0;background:none;width:auto;border-color:var(--line)}.send-button{font-size:1.5rem;background:var(--accent);color:#171329;width:38px;height:38px;border:0;border-radius:9px}.stop-button{font-size:.875rem;border:1px solid #76574d;color:#efb9a1;background:#35251f;padding:9px 12px;border-radius:8px}.composer-hint{color:var(--muted);font-size:.75rem;margin:12px 4px 0;display:flex;justify-content:space-between;gap:12px}.run-status{font-size:.8125rem;color:var(--muted);min-height:22px;margin:0 4px 7px}.run-status.running:before{content:'';display:inline-block;width:10px;height:10px;border:2px solid #514766;border-top-color:var(--accent);border-radius:50%;margin-right:8px;animation:spin 1s linear infinite}.approval-panel{margin:0 max(24px,calc((100% - 800px)/2));border:1px solid #786343;background:#251f18;border-radius:12px;max-height:38vh;overflow:auto;padding:16px}.approval-panel h3{font-size:.875rem;margin:0 0 10px;color:#ecd3a7}.approval-panel p{font-size:.875rem;line-height:1.6;color:#c4b59f}.approval-panel pre{border-radius:7px;margin-bottom:14px}.approval-actions{display:flex;gap:12px;flex-wrap:wrap}.approval-actions button{padding:9px 15px;border-radius:7px;border:1px solid #6b5b42;background:#413525;font-size:.875rem}.approval-actions button.decline{background:transparent;color:var(--muted);border-color:var(--line)}.approval-block+.approval-block{border-top:1px solid #4b402f;padding-top:18px;margin-top:18px}dialog{width:min(480px,calc(100% - 32px));border:1px solid #3d4760;border-radius:16px;background:var(--panel);color:var(--text);padding:28px;box-shadow:0 20px 90px #0008}dialog::backdrop{background:#070b12aa;backdrop-filter:blur(4px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.dialog-head h2{font-size:1.25rem;margin:0}.dialog-note{font-size:.875rem;color:var(--muted);line-height:1.7;margin:20px 0 0}.icon-button{background:none;border:0;font-size:1.35rem;line-height:1;padding:8px;color:var(--muted)}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:calc(100% - 32px);background:#3d2830;color:#ffd1d1;border:1px solid #80505e;border-radius:10px;padding:12px 20px;font-size:.875rem;z-index:100}.mobile-only{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:760px){.sidebar{position:fixed;left:0;top:0;bottom:0;width:280px;z-index:30;transform:translateX(-100%);transition:transform .2s;box-shadow:12px 0 40px #0005}.sidebar.open{transform:translateX(0)}.brand{padding-right:0}.brand>div:nth-child(2){flex:1}.mobile-only{display:block}.topbar{padding:15px 12px;min-height:76px}.messages{padding:22px 16px}.empty-state{margin:6vh auto 0}.empty-state h2{font-size:1.5rem}.empty-state>p:not(.eyebrow){font-size:.875rem}.composer-area{padding:10px 12px max(16px,env(safe-area-inset-bottom))}.composer{padding:12px}.composer-hint{font-size:.75rem}.composer-hint>span{display:none}.approval-panel{margin:0 12px}.message.user{padding:12px 15px}.login-card{padding:28px}.composer-controls{gap:8px}.composer-controls>span{max-width:160px}.connection-status{font-size:.75rem;padding:5px 8px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation-duration:3s!important}}