:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color-scheme:dark;--bg:#0b1515;--side:#0d1818;--line:#243332;--text:#eaf2ed;--muted:#91a39e;--accent:#8ce7b0;--bubble:#172725;--user:#244b3b;--input:#172421;--hover:#1c302b;--shadow:#0006}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}body{min-height:100dvh}button,textarea,select,input{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}button:focus-visible,textarea:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}a{color:var(--accent)}[hidden]{display:none!important}
.app{display:grid;grid-template-columns:272px minmax(0,1fr);min-height:100dvh}.sidebar{position:sticky;top:0;height:100dvh;display:flex;flex-direction:column;background:var(--side);border-right:1px solid var(--line);padding:28px 16px 18px}.brand{display:flex;align-items:center;gap:11px;padding:3px 10px 32px;font-weight:800;font-size:25px;letter-spacing:-.075em}.brand-logo{width:37px;height:37px;display:block;flex:none;object-fit:contain;border-radius:12px}.brand small{display:block;font-size:9px;letter-spacing:.2em;color:var(--muted);font-weight:650;margin-top:1px}.accent{color:var(--accent)}.new-chat{display:flex;align-items:center;gap:12px;width:100%;padding:13px 14px;background:#d2f4dd;color:#123528;border:0;border-radius:12px;font-size:13px;font-weight:750}.new-chat>span:first-child{font-size:22px;line-height:.5}.new-shortcut{margin-left:auto;opacity:.6;font-size:10px;font-weight:500}.nav-label{margin:32px 11px 12px;font-size:10px;letter-spacing:.16em;font-weight:700;color:#82958d;display:flex;justify-content:space-between}.thread-list{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:4px}.thread{display:flex;gap:6px;align-items:center;border-radius:10px;min-width:0}.thread.active{background:#1d352c}.thread:hover{background:var(--hover)}.thread-select{min-width:0;flex:1;padding:12px 8px 12px 12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#bdcbc4;text-align:left;border:0;background:transparent;font-size:12px}.thread.active .thread-select{color:var(--accent)}.thread-actions{display:flex;gap:1px;padding-right:5px;opacity:0}.thread:hover .thread-actions,.thread:focus-within .thread-actions,.thread.active .thread-actions{opacity:1}.thread-actions button{background:none;border:0;color:var(--muted);padding:4px;font-size:13px}.thread-actions button:hover{color:var(--accent)}.empty-threads{font-size:12px;line-height:1.6;color:var(--muted);padding:4px 12px}.sidebar-bottom{margin-top:auto}.sidebar-note{background:linear-gradient(130deg,#1a3a2b,#142922);padding:15px;border:1px solid #335441;border-radius:14px;font-size:12px;font-weight:700;color:#d2f4dd}.note-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-right:5px;box-shadow:0 0 12px #8ce7b0}.sidebar-note p{font-size:11px;color:#b0c7b9;line-height:1.6;margin:9px 0 0;font-weight:400}.sidebar-setting{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:17px;padding:12px 8px;width:100%;background:transparent;border:0;color:var(--muted);font-size:13px}.sidebar-setting:hover{color:var(--text)}.sidebar-setting span:last-child{margin-left:auto}.sidebar-foot{padding:10px 8px 0;border-top:1px solid var(--line);line-height:1.65;color:#6e857b;font-size:10px}
.workspace{height:100dvh;min-width:0;display:flex;flex-direction:column;background:radial-gradient(ellipse 65% 50% at 53% 38%,#122720 0%,transparent 90%),var(--bg)}.topbar{height:93px;flex:none;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:16px clamp(20px,4vw,56px);gap:10px}.eyebrow{color:var(--accent);font-size:10px;letter-spacing:.16em;font-weight:750}.topbar h1{font-size:18px;font-weight:650;letter-spacing:-.035em;margin:7px 0 0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:38vw}.top-left,.top-actions{display:flex;align-items:center;gap:16px;min-width:0}.status{font-size:11px;color:#c4d8cb;border:1px solid #2b4438;border-radius:100px;background:#132a20;padding:9px 12px;white-space:nowrap}.status i{display:inline-block;width:7px;height:7px;background:var(--accent);border-radius:50%;margin-right:5px}.status.busy i{background:#ffcb7b}.icon-btn{border:0;background:transparent;color:var(--muted);font-size:18px;padding:6px;border-radius:8px}.icon-btn:hover{color:var(--text);background:var(--hover)}.menu-btn,.mobile-close,.settings-mobile{display:none}
.chat-scroll{flex:1;overflow-y:auto;min-height:0;scrollbar-color:#325046 transparent}.chat{width:min(780px,100%);padding:38px 24px 50px;margin:0 auto;display:flex;flex-direction:column;gap:26px;min-height:100%}.welcome{margin:auto 0;text-align:center;align-self:stretch;padding:10px 0 24px}.welcome-symbol{margin:0 auto 26px;width:64px;height:64px;border-radius:20px;display:grid;place-items:center;background:#173a2a;box-shadow:0 0 0 12px #18362644}.welcome-logo{width:48px;height:48px;object-fit:contain}.welcome h2{font-size:clamp(27px,4vw,41px);margin:0;font-weight:700;letter-spacing:-.055em}.welcome h2 span{color:var(--accent)}.welcome p{font-size:14px;line-height:1.8;color:var(--muted);max-width:460px;margin:18px auto 30px}.suggestions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:600px;margin:auto;text-align:left}.suggestion{border:1px solid #2e433a;border-radius:13px;padding:15px 16px;background:#162620;color:var(--text);min-height:92px;text-align:left;transition:background .2s,transform .2s}.suggestion:hover{background:#213a2e;transform:translateY(-2px)}.suggestion strong{display:block;font-size:12px;margin-bottom:8px;font-weight:680}.suggestion small{display:block;color:var(--muted);font-size:11px;line-height:1.4}
.message{display:flex;gap:14px;align-items:flex-start}.message.user{flex-direction:row-reverse}.avatar{flex:none;width:33px;height:33px;display:grid;place-items:center;border-radius:11px;font-size:18px;color:#0e271b;background:var(--accent);overflow:hidden}.avatar-logo{width:100%;height:100%;object-fit:contain}.user .avatar{background:#244f3e;color:#c9edd9;font-size:12px;font-weight:800}.message-main{min-width:0;max-width:85%;display:flex;flex-direction:column;align-items:flex-start}.user .message-main{align-items:flex-end}.message-head{font-size:11px;color:var(--muted);margin:0 0 8px;font-weight:650}.bubble{padding:16px 19px;border:1px solid #294239;background:var(--bubble);border-radius:5px 17px 17px 17px;font-size:14px;line-height:1.75;white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%}.user .bubble{background:var(--user);border-color:#326a51;border-radius:17px 5px 17px 17px}.message-actions{display:flex;gap:13px;align-items:center;margin-top:8px}.message-actions button{background:none;border:0;color:var(--muted);font-size:11px;padding:3px}.message-actions button:hover{color:var(--accent)}.error-note{font-size:11px;color:#ff9d9d;margin-top:8px}.thinking{display:flex;gap:5px;padding:4px}.thinking i{width:6px;height:6px;background:var(--accent);border-radius:50%;animation:bounce 1.1s infinite alternate}.thinking i:nth-child(2){animation-delay:.2s}.thinking i:nth-child(3){animation-delay:.4s}@keyframes bounce{to{opacity:.2;transform:translateY(-3px)}}
.composer-wrap{flex:none;padding:0 clamp(16px,4vw,55px) 22px;background:linear-gradient(transparent,var(--bg) 10%)}.composer-inner{max-width:780px;margin:auto}.composer{display:flex;align-items:flex-end;gap:9px;border:1px solid #3a5346;border-radius:17px;padding:9px 9px 9px 17px;background:var(--input);box-shadow:0 10px 35px var(--shadow)}.composer:focus-within{border-color:#6fa984}.composer textarea{flex:1;min-width:0;max-height:160px;min-height:36px;resize:none;border:0;background:none;outline:none;color:var(--text);padding:9px 0;font-size:13px;line-height:1.5}.composer textarea::placeholder{color:#839c8e}.send,.stop{flex:none;border:0;border-radius:11px;width:39px;height:39px;background:var(--accent);color:#103b28;font-size:22px;font-weight:750}.stop{background:#eab89c;font-size:16px}.send:hover{background:#b5f6cc}.composer-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 4px 0;color:#859a8f;font-size:10px}.footer-model{display:flex;align-items:center;gap:8px}.footer-logo{width:16px;height:16px;flex:none;object-fit:contain}.sparkle{color:var(--accent);font-size:16px}.footer-sep{color:#45614c}
.overlay{position:fixed;inset:0;background:#0009;z-index:4}dialog{color:var(--text);background:#14231e;border:1px solid #365344;border-radius:20px;padding:26px;width:min(460px,calc(100vw - 30px));max-height:calc(100dvh - 35px);overflow-y:auto;box-shadow:0 30px 90px #000a}dialog::backdrop{background:#0009}.dialog-head{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:16px}.dialog-head h2{margin:7px 0 0}.setting{margin-top:21px}.setting label,.setting strong{font-size:13px;font-weight:700}.setting p,.dialog-foot{font-size:11px;color:var(--muted);line-height:1.7;margin:7px 0 10px}.setting select,.setting input{width:100%;padding:12px;color:var(--text);background:var(--bg);border:1px solid #405749;border-radius:10px;font-size:12px}.setting a{display:inline-block;font-size:11px;margin-top:9px}.key-row{display:flex;gap:7px}.small-btn,.outline-btn{border:1px solid #3c5b49;background:#1c3427;color:var(--text);border-radius:10px;padding:10px;font-size:11px;white-space:nowrap}.outline-btn{margin:5px 8px 0 0}.small-btn:hover,.outline-btn:hover{background:#294934}.text-btn{display:block;background:none;color:var(--accent);border:0;padding:10px 0 0;font-size:11px}.danger-zone{border-top:1px solid var(--line);padding-top:17px}.danger{color:#ffabab;border-color:#784444}.dialog-foot{margin:22px 0 0}
:root[data-theme="light"]{color-scheme:light;--bg:#f7faf6;--side:#e9f2e9;--line:#d5e3d8;--text:#19362a;--muted:#647f70;--accent:#247d50;--bubble:#edf6ef;--user:#d6efdf;--input:#fff;--hover:#dcecdf;--shadow:#19362a16}:root[data-theme="light"] .workspace{background:radial-gradient(ellipse at 50% 45%,#eaf6ee,transparent 80%),var(--bg)}:root[data-theme="light"] .send{color:#fff}:root[data-theme="light"] .status{background:#e3f2e6;color:#28533c;border-color:#c5decc}:root[data-theme="light"] .sidebar-note{background:#dbebde;border-color:#c4dec9;color:#204d36}:root[data-theme="light"] .sidebar-note p{color:#4b6d57}:root[data-theme="light"] .thread.active{background:#d1e9d8}:root[data-theme="light"] .thread-select{color:#456652}:root[data-theme="light"] .sidebar-foot{color:#637c6a}:root[data-theme="light"] .new-chat{background:#247d50;color:white}:root[data-theme="light"] .suggestion{background:#fff;border-color:#d4e4d7}:root[data-theme="light"] .suggestion:hover{background:#e6f2e8}:root[data-theme="light"] .bubble{border-color:#d6e5da}:root[data-theme="light"] .user .bubble{border-color:#bde0c8}:root[data-theme="light"] dialog{background:#f4faf4;border-color:#c9decf}:root[data-theme="light"] .small-btn,:root[data-theme="light"] .outline-btn{background:#e2efe5;color:#284d36;border-color:#b8d6c1}:root[data-theme="light"] .danger{color:#9b3333}
@media(max-width:850px){.app{grid-template-columns:235px minmax(0,1fr)}.sidebar{padding-left:10px;padding-right:10px}.brand{font-size:22px}.topbar{padding:15px 22px}}
@media(max-width:680px){.app{display:block}.sidebar{position:fixed;z-index:6;left:0;top:0;bottom:0;width:min(310px,87vw);height:100dvh;min-height:0;transform:translateX(-103%);transition:transform .2s;box-shadow:20px 0 55px #0006}.sidebar.open{transform:translateX(0)}.menu-btn,.mobile-close,.settings-mobile{display:inline-flex}.mobile-close{margin-left:auto}.workspace{height:100dvh}.topbar{height:75px;padding:12px 16px}.topbar h1{max-width:52vw;font-size:16px}.eyebrow{font-size:8px}.top-actions .status{display:none}.chat{padding:23px 17px 38px;gap:21px}.welcome{padding:10px 0 20px}.welcome-symbol{width:54px;height:54px;font-size:34px;margin-bottom:22px}.welcome h2{font-size:29px}.welcome p{font-size:12px}.suggestions{gap:8px}.suggestion{min-height:90px;padding:13px}.suggestion strong{font-size:11px}.suggestion small{font-size:10px}.avatar{width:28px;height:28px;font-size:15px}.message{gap:9px}.message-main{max-width:calc(100% - 41px)}.bubble{font-size:13px;padding:13px}.composer-wrap{padding:0 13px 13px}.composer-footer{font-size:9px}.desktop-only{display:none}dialog{padding:20px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}