:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color-scheme:dark;--bg:#111412;--sidebar:#151916;--surface:#1b211d;--hover:#242d26;--border:#2a312b;--text:#e4e7e3;--muted:#97a397;--accent:#b4d4a2;--accent-text:#162311;--danger:#e6978d;background:var(--bg);color:var(--text);font-synthesis:none}
:root[data-theme=light]{color-scheme:light;--bg:#f9faf7;--sidebar:#f0f2ed;--surface:#fff;--hover:#e9ede4;--border:#d7ded3;--text:#263127;--muted:#64715f;--accent:#426e35;--accent-text:#fff;--danger:#ad433c}
#dialog-body .check-label{display:flex;align-items:center;gap:8px;color:var(--text)}.check-label input{width:16px;height:16px;padding:0;accent-color:var(--accent)}
*{box-sizing:border-box;letter-spacing:0}body{margin:0}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;border:0;background:none}button:disabled{opacity:.45;cursor:not-allowed}button,input,select{border-radius:6px}button:hover:not(:disabled){background:var(--hover)}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input,textarea,select{background:var(--surface);border:1px solid var(--border);padding:9px;min-width:0}input:focus,textarea:focus{outline:1px solid var(--accent)}[hidden]{display:none!important}svg{width:18px;height:18px;flex-shrink:0}a{color:var(--accent)}.icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;flex-shrink:0}.primary{background:var(--accent);color:var(--accent-text)}.primary:hover:not(:disabled){background:var(--accent);filter:brightness(1.08)}.mobile{display:none}
#workspace{height:100dvh;display:grid;grid-template-columns:248px minmax(0,1fr);overflow:hidden}#navigation{background:var(--sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;min-height:0;padding:0 14px}.brand{height:76px;display:flex;align-items:center;gap:10px;flex-shrink:0}.brand img{border-radius:6px}.brand strong{font-size:21px}.brand>span{font-size:10px;color:var(--muted);margin-left:auto}.new-chat{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--border);padding:11px;width:100%;text-align:left;flex-shrink:0;font-size:13px}.section-label{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px;margin-top:14px;flex-shrink:0}#projects{flex-shrink:0;max-height:160px;overflow:auto}.nav-row{width:100%;display:flex;gap:9px;align-items:center;text-align:left;padding:10px;font-size:13px;min-height:40px}.nav-row>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-row small{font-size:10px;color:var(--muted);margin-left:auto;flex-shrink:0}.nav-row.active{background:var(--hover);color:var(--accent)}#search{width:100%;font-size:12px;margin:3px 0 7px;background:transparent;padding:8px;flex-shrink:0}#conversations{flex:1;min-height:100px;overflow:auto}.nav-footer{display:flex;align-items:center;gap:4px;padding:12px 0;border-top:1px solid var(--border);margin-top:10px;flex-shrink:0}.nav-footer>button:first-child{display:flex;gap:8px;align-items:center;font-size:12px;margin-right:auto;padding:8px}
main{min-width:0;min-height:0;display:flex;flex-direction:column}header{height:64px;flex-shrink:0;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px;padding:0 22px}.heading{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.heading strong{font-size:14px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.heading>span{font-size:11px;color:var(--muted);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}#connection{font-size:11px;color:var(--muted);white-space:nowrap}#connection.online{color:var(--accent)}#messages{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:24px}#message-list,#live{max-width:840px;margin:0 auto}.message{padding:16px 0 24px;border-bottom:1px solid var(--border);overflow-wrap:anywhere}.message:last-child{border:0}.message-head{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-bottom:12px}.message-head strong{color:var(--text);font-size:12px}.message-head time{margin-left:auto;font-size:10px}.message.user .body{white-space:pre-wrap;background:var(--surface);padding:12px 16px;border-radius:6px}.body{font-size:14px;line-height:1.75;overflow-wrap:anywhere}.body>:first-child{margin-top:0}.body>:last-child{margin-bottom:0}.body pre{overflow:auto;max-width:100%;background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:14px;line-height:1.5;font-size:12px}.body code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px}.body :not(pre)>code{background:var(--surface);padding:2px 4px}.body table{display:block;overflow:auto;border-collapse:collapse}.body th,.body td{padding:7px 10px;border:1px solid var(--border)}.body img{max-width:100%;height:auto}.body h1,.body h2,.body h3{font-size:18px}.body blockquote{margin-left:0;border-left:2px solid var(--border);padding-left:14px;color:var(--muted)}.empty{color:var(--muted);font-size:13px;text-align:center;padding:64px 8px}.empty img{display:block;margin:0 auto 12px;border-radius:8px;width:42px;height:42px}.state{font-size:11px;color:var(--muted);margin-top:12px}.state.failed,.state.interrupted,.state.stopped{color:var(--danger)}details{margin-top:10px;font-size:12px;color:var(--muted)}summary{cursor:pointer;padding:7px 0}.steps{white-space:pre-wrap;overflow-wrap:anywhere;max-height:320px;overflow:auto;line-height:1.65;font-family:inherit;font-size:12px}.progress-action,.progress-note{font-size:13px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere}.progress-action{color:var(--muted)}#live{padding:18px 0}.live-label{font-size:12px;color:var(--accent);display:flex;gap:8px;align-items:center;margin-bottom:8px}.live-label svg{animation:spin 1.5s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
#composer{margin:8px auto 20px;padding:12px;max-width:840px;width:calc(100% - 48px);background:var(--surface);border:1px solid var(--border);border-radius:8px;flex-shrink:0}#input{resize:none;display:block;width:100%;min-height:44px;max-height:140px;background:transparent;border:0;padding:4px;line-height:1.5;font-size:14px}#input:focus{outline:none}.composer-tools{display:flex;align-items:center;gap:8px;margin-top:8px}#model{font-size:11px;border:0;background:transparent;max-width:260px;flex:0 1 auto;padding:7px 2px}.access{color:var(--muted);font-size:10px;white-space:nowrap}#send,#stop{margin-left:auto;width:34px;height:34px}#stop{color:var(--danger);background:var(--hover)}#attachments{display:flex;flex-wrap:wrap;gap:6px}.attachment{display:flex;align-items:center;gap:6px;font-size:11px;border:1px solid var(--border);padding:4px 7px;border-radius:4px;max-width:100%}.attachment span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment .icon{width:24px;height:24px}.attachment img{width:24px;height:24px;object-fit:cover;border-radius:4px;flex-shrink:0}#composer.dragover{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}.attach-image{display:inline-block;vertical-align:top;margin:6px 8px 0 0;max-width:min(220px,60%);border-radius:6px;overflow:hidden;border:1px solid var(--border)}.attach-image img{display:block;width:100%;height:auto}#delivery{font-size:12px;display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:8px 24px;color:var(--danger)}#delivery button{padding:7px;background:var(--surface)}
#login{height:100dvh;display:grid;place-items:center;padding:24px}#login-form{width:100%;max-width:300px;display:flex;flex-direction:column;gap:14px}#login-form img{border-radius:8px}#login-form h1{font-size:24px;margin:0 0 12px}#login-form label{font-size:13px}#login-form button{padding:12px}#login-error{color:var(--danger);font-size:12px}dialog{width:min(620px,calc(100% - 24px));max-height:80dvh;padding:0;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text)}dialog::backdrop{background:#0008}.dialog-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border)}.dialog-header h2{font-size:15px;margin:0}#dialog-body{padding:16px;overflow-wrap:anywhere}#dialog-body form{display:flex;flex-direction:column;gap:12px}#dialog-body label{font-size:12px;color:var(--muted)}#dialog-body form button.primary{padding:10px}#dialog-body pre{white-space:pre-wrap;font-size:12px;line-height:1.65}#dialog-body .file-row{display:flex;align-items:center;gap:8px;width:100%;padding:10px 6px;border-bottom:1px solid var(--border);text-align:left;font-size:13px}#dialog-body .file-row span{overflow-wrap:anywhere;min-width:0}#dialog-body .file-row small{margin-left:auto;white-space:nowrap;color:var(--muted)}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:100;background:var(--text);color:var(--bg);padding:12px 18px;border-radius:6px;max-width:calc(100% - 24px);font-size:13px}#shade{display:none}
@media(max-width:760px){#workspace{grid-template-columns:minmax(0,1fr)}.mobile{display:inline-flex}#navigation{position:fixed;inset:0 auto 0 0;width:min(290px,calc(100% - 42px));height:100dvh;z-index:40;transform:translateX(-100%);overflow-y:auto;overscroll-behavior:contain;padding-bottom:env(safe-area-inset-bottom,0px)}#workspace.nav-open #navigation{transform:translateX(0)}#workspace.nav-open #shade{display:block;position:fixed;inset:0;background:#0008;z-index:35;border-radius:0}#navigation>*{flex-shrink:0}#conversations{flex:0 0 auto;min-height:140px;overflow:visible}.brand>span{margin-left:auto}.nav-footer{margin-top:auto}header{height:58px;padding:0 8px;gap:3px}.icon{width:40px;height:40px}#connection{display:none}#messages{padding:16px}#composer{width:calc(100% - 24px);margin:4px 12px max(10px,env(safe-area-inset-bottom));padding:10px}#input{font-size:16px;max-height:110px}.composer-tools{gap:4px}#model{max-width:calc(100% - 120px);flex:1;font-size:12px}.access{display:none}#send,#stop{width:40px;height:40px}#delivery{padding:8px 12px}.message{padding:12px 0 22px}.body{font-size:14px}#toast{bottom:18px}}
@media(prefers-reduced-motion:reduce){*,::before,::after{animation:none!important}}