:root{--bg:#0b0d10;--panel:#11151a;--panel-2:#171c22;--line:#252c35;--text:#f4f6f8;--muted:#929ca8;--accent:#4ea1ff;--green:#38d890;--red:#ff6675;--shadow:0 24px 80px rgba(0,0,0,.28)}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;color:var(--text);background:radial-gradient(circle at 20% -10%,rgba(45,120,220,.16),transparent 32rem),var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.mobile-only,.menu-button,.close-menu{display:none!important}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);padding:36px;border:1px solid var(--line);border-radius:24px;background:rgba(17,21,26,.92);box-shadow:var(--shadow)}.brand-mark,.empty-icon{display:grid;place-items:center;width:52px;height:52px;margin-bottom:22px;color:#0b0d10;background:var(--text);border-radius:15px;font-weight:800}.login-card h1{margin:0 0 10px;font-size:26px}.login-card>p{margin:0 0 28px;color:var(--muted);line-height:1.6}
label{display:block;margin-bottom:8px;color:#cbd2d9;font-size:14px;font-weight:650}input,textarea{width:100%;color:var(--text);border:1px solid var(--line);outline:none;background:#0c1014}input{height:44px;padding:0 13px;border-radius:11px}textarea{min-height:90px;padding:15px;border:0;resize:vertical;line-height:1.55}input:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(78,161,255,.12)}button{border:0;border-radius:11px}.primary{min-height:42px;padding:0 16px;color:#061321;background:linear-gradient(180deg,#66b1ff,var(--accent));font-weight:800}.primary:disabled{cursor:wait;opacity:.55}.wide{width:100%}.login-card .wide{margin-top:18px}.secondary,.danger,.ghost{min-height:40px;padding:0 13px;color:var(--text);border:1px solid var(--line);background:var(--panel-2)}.danger{color:#ffd8dc;border-color:rgba(255,102,117,.35);background:rgba(255,102,117,.08)}.ghost{background:transparent}.small{min-height:34px;padding:0 10px;font-size:13px}.danger-text{color:#ff9ca6}.error-text{min-height:22px;margin:12px 0 0!important;color:var(--red)!important;font-size:14px}
.app-shell{width:min(1440px,calc(100% - 32px));height:100%;margin:auto;padding:18px 0 28px}.topbar{display:flex;align-items:center;justify-content:space-between;height:66px}.topbar h1{margin:2px 0 0;font-size:22px}.eyebrow{color:var(--accent);font-size:10px;font-weight:800;letter-spacing:.18em}.top-actions{display:flex;align-items:center;gap:10px}.status-pill{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 12px;color:#cbd3db;border:1px solid var(--line);border-radius:99px;background:var(--panel);font-size:13px}.status-pill i{width:7px;height:7px;background:var(--green);border-radius:50%}.status-pill.running i,.status-pill.starting i{background:var(--accent);box-shadow:0 0 0 5px rgba(78,161,255,.1);animation:pulse 1.5s infinite}.status-pill.failed i{background:var(--red)}@keyframes pulse{50%{opacity:.35}}
.workspace{display:grid;grid-template-columns:290px minmax(0,1fr);gap:16px;height:calc(100% - 66px);min-height:540px}.side-card,.conversation-card{border:1px solid var(--line);background:rgba(17,21,26,.9);box-shadow:var(--shadow);border-radius:18px}.side-card{display:flex;flex-direction:column;min-height:0;padding:16px}.sidebar-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.conversation-list{min-height:90px;overflow-y:auto;margin:12px -5px;padding:0 5px}.conversation-item{display:block;width:100%;margin-bottom:5px;padding:10px 11px;color:var(--text);text-align:left;border:1px solid transparent;background:transparent}.conversation-item:hover{background:var(--panel-2)}.conversation-item.active{border-color:rgba(78,161,255,.4);background:rgba(78,161,255,.1)}.conversation-item span,.conversation-item small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-item span{font-size:13px;font-weight:700}.conversation-item small{margin-top:4px;color:var(--muted);font-size:11px}.sidebar-tools{padding-top:14px;border-top:1px solid var(--line)}.field small{display:block;margin-top:6px;color:var(--muted);font-size:11px}.info-block{padding:11px 0;border-bottom:1px solid var(--line)}.info-block span,.info-block strong{display:block}.info-block span{margin-bottom:5px;color:var(--muted);font-size:11px}.info-block strong{overflow:hidden;font-size:12px;text-overflow:ellipsis;white-space:nowrap}.sidebar-tools>button{margin-top:10px}.safety-note{margin-top:13px;padding:11px;border:1px solid rgba(56,216,144,.18);border-radius:11px;background:rgba(56,216,144,.05)}.safety-note strong{color:#86e7ba;font-size:11px}.safety-note p{margin:5px 0 0;color:var(--muted);font-size:11px;line-height:1.45}.usage-dashboard-button{display:grid;grid-template-columns:30px 1fr;column-gap:9px;align-items:center;margin-top:12px;padding:10px;border:1px solid rgba(139,120,255,.4);border-radius:11px;background:rgba(107,85,230,.13);color:#f7f5ff;text-decoration:none}.usage-dashboard-button>span{grid-row:1/3}.usage-dashboard-button strong{font-size:12px}.usage-dashboard-button small{color:#aaa6c2;font-size:9px}
.conversation-card{position:relative;display:flex;flex-direction:column;min-width:0;min-height:0;overflow:hidden}.conversation-header{display:flex;align-items:center;justify-content:space-between;flex:0 0 58px;padding:0 22px;border-bottom:1px solid var(--line)}.conversation-header h2{overflow:hidden;margin:0;font-size:16px;text-overflow:ellipsis;white-space:nowrap}.conversation-header>div{display:flex;gap:6px}.message-viewport{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain}.empty-state{display:grid;place-items:center;align-content:center;min-height:100%;padding:40px 20px;text-align:center}.empty-state h2{margin:0 0 10px;font-size:22px}.empty-state p{max-width:460px;margin:0;color:var(--muted);line-height:1.6}.messages{padding:28px 34px}.message{display:grid;grid-template-columns:34px minmax(0,1fr);gap:13px;max-width:920px;margin:0 auto 26px}.message-body{min-width:0}.avatar{display:grid;place-items:center;width:34px;height:34px;color:#0b0d10;border-radius:10px;background:var(--text);font-size:12px;font-weight:900}.message.user .avatar{color:#dbeaff;background:#1d4d82}.message-meta{margin:1px 0 7px;color:var(--muted);font-size:12px}.message-content{min-width:0;color:#e7ebef;line-height:1.72;overflow-wrap:anywhere}.message-content p{margin:0 0 12px}.message-content pre{max-width:100%;overflow-x:auto;margin:14px 0;padding:15px;border:1px solid var(--line);border-radius:10px;background:#080a0d;white-space:pre}.message-content code{font-family:"Cascadia Code","SFMono-Regular",Consolas,monospace;font-size:13px}
.activity{flex:0 0 auto;max-height:105px;overflow:auto;margin:0 20px 8px;padding:10px 13px;color:#b9c4cf;border:1px solid var(--line);border-radius:10px;background:#080b0e;font-size:12px}.activity strong{color:var(--accent)}.activity pre{margin:6px 0 0;color:var(--muted);white-space:pre-wrap}.composer{flex:0 0 auto;margin:0 20px 20px;overflow:hidden;border:1px solid #303946;border-radius:15px;background:#0c1014;box-shadow:0 16px 50px rgba(0,0,0,.3)}.composer-footer{display:flex;align-items:center;justify-content:space-between;padding:9px 10px 10px 14px;border-top:1px solid #1d242c}.check-row{display:flex;align-items:center;gap:8px;margin:0;color:var(--muted);font-size:12px;font-weight:500}.check-row input{width:15px;height:15px;margin:0;accent-color:var(--accent)}.composer .primary{display:flex;align-items:center;gap:12px}
@media(max-width:760px){body.drawer-open{overflow:hidden}.app-shell{width:100%;padding:0}.topbar{height:60px;padding:0 10px;border-bottom:1px solid var(--line)}.brand-title{flex:1;margin-left:9px}.topbar h1{font-size:17px}.eyebrow,.desktop-only{display:none!important}.mobile-only,.menu-button,.close-menu{display:block!important}.icon-button{width:38px;height:38px;color:var(--text);background:transparent;font-size:21px}.workspace{display:block;height:calc(100% - 60px);min-height:0}.side-card{position:fixed;top:0;bottom:0;left:0;z-index:20;width:min(86vw,330px);padding:max(16px,env(safe-area-inset-top)) 16px max(16px,env(safe-area-inset-bottom));border:0;border-radius:0;transform:translateX(-105%);transition:transform .22s ease}.side-card.open{transform:translateX(0)}.drawer-backdrop{position:fixed;inset:0;z-index:19;display:block!important;background:rgba(0,0,0,.62)}.conversation-list{flex:1}.sidebar-tools{flex:0 0 auto}.safety-note{display:none}.conversation-card{height:100%;border:0;border-radius:0}.conversation-header{flex-basis:50px;padding:0 12px}.conversation-header h2{font-size:14px}.messages{padding:20px 12px}.message{grid-template-columns:30px minmax(0,1fr);gap:9px}.avatar{width:30px;height:30px}.message-content pre{-webkit-overflow-scrolling:touch}.activity{margin:0 8px 6px}.composer{margin:0 8px max(8px,env(safe-area-inset-bottom))}.composer textarea{min-height:74px;max-height:32vh}.check-row{max-width:128px}.empty-state{padding:24px 16px}.status-pill{padding:0 9px}.top-actions{gap:4px}}

.code-block{position:relative;max-width:100%;margin:14px 0}.code-block .copy-code{position:absolute;top:7px;right:7px;z-index:1;min-height:27px;padding:0 9px;color:var(--muted);border:1px solid var(--line);border-radius:7px;background:#14191f;font-size:11px}.code-block pre{margin:0;padding-top:42px}.composer-options{display:flex;align-items:center;gap:14px}.upload-button{margin:0;padding:5px 8px;color:#bcdcff;border:1px solid #29496c;border-radius:7px;font-size:12px;cursor:pointer}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.attachment-list{display:flex;gap:7px;overflow-x:auto;padding:9px 12px 0}.attachment-chip{flex:0 0 auto;max-width:190px;overflow:hidden;padding:6px 8px;color:#cfe4fa;border:1px solid #29496c;border-radius:8px;background:#101d2b;font-size:11px;text-overflow:ellipsis;white-space:nowrap}.attachment-chip button{margin-left:5px;color:var(--muted);background:transparent}

@media(max-width:760px){.drawer-backdrop.hidden{display:none!important}.composer-options{gap:7px}.check-row span{display:none}}