:root{
  --canvas:#fff;
  --sidebar:#f5f6f5;
  --surface:#fff;
  --surface-muted:#f2f3f2;
  --surface-hover:#e9ebe9;
  --text:#202124;
  --text-strong:#17181a;
  --muted:#747a80;
  --faint:#969ba0;
  --border:#e1e3e1;
  --border-strong:#cdd0cd;
  --danger:#b3261e;
  --sidebar-width:268px;
  --content-width:760px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
html{background:var(--canvas)}
body{margin:0;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--canvas);letter-spacing:0}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,textarea:focus-visible,input:focus-visible{outline:2px solid #4d5350;outline-offset:2px}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
[hidden]{display:none!important}

.assistant-shell{height:100dvh;min-height:0;display:grid;grid-template-columns:var(--sidebar-width) minmax(0,1fr);overflow:hidden;background:var(--canvas)}
.assistant-shell.auth-locked{grid-template-columns:minmax(0,1fr)}
.assistant-shell.auth-locked .context-panel,.assistant-shell.auth-locked .drawer-scrim,.assistant-shell.auth-locked .messages,.assistant-shell.auth-locked .composer-wrap{display:none!important}
.assistant-shell.model-locked .messages,.assistant-shell.model-locked .composer-wrap{display:none!important}
.context-panel{min-width:0;min-height:0;padding:16px 12px 12px;display:flex;flex-direction:column;background:var(--sidebar);border-right:1px solid var(--border)}
.sidebar-head{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 6px}
.brand{min-width:0;display:flex;align-items:center;gap:11px}
.brand-mark{width:34px;height:34px;flex:0 0 auto;display:grid;place-items:center;border-radius:10px;color:#fff;background:#24262b;box-shadow:0 1px 2px rgba(0,0,0,.16);font-size:14px;font-weight:800}
.brand-copy{min-width:0;display:grid;gap:1px}
.brand-copy strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;line-height:1.3}
.brand-copy small{color:var(--muted);font-size:11px;line-height:1.3}
.sidebar-icon{width:34px;height:34px;padding:0;display:grid;place-items:center;border:0;border-radius:8px;background:transparent;color:#5e6461}
.sidebar-icon:hover{background:var(--surface-hover);color:var(--text-strong)}
.session-close{display:none}
.session-new{width:100%;height:42px;margin:16px 0 18px;padding:0 14px;display:flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface);color:var(--text-strong);box-shadow:0 1px 2px rgba(20,22,20,.04);font-size:13px;font-weight:700}
.session-new svg{width:17px;height:17px}
.session-new:hover{background:#fafafa;border-color:#aaaeaa}
.session-new:disabled{cursor:not-allowed;opacity:.5}
.session-panel{min-height:0;display:flex;flex:1;flex-direction:column;gap:16px;overflow:auto;scrollbar-width:thin}
.session-group{display:grid;align-content:start}
.session-group-short{min-height:0}
.session-heading{padding:0 8px 7px}
.session-heading h2{margin:0;color:var(--muted);font-size:11px;line-height:1.4;font-weight:700}
.session-list{min-height:0;display:grid;align-content:start;gap:3px}
.session-row{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 34px;gap:2px;border-radius:9px}
.session-open,.session-delete{border:0;background:transparent}
.session-open{min-width:0;padding:9px 10px;border-radius:9px;text-align:left;color:#454a47}
.session-open strong,.session-open>span:last-child{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.session-open strong{font-size:12px;line-height:1.4;font-weight:600}
.session-open>span:last-child{margin-top:3px;color:var(--faint);font-size:10px}
.session-open:hover,.session-open.active{background:var(--surface-hover);color:var(--text-strong)}
.session-title-line{min-width:0;display:flex!important;align-items:center;gap:6px;margin:0!important}
.session-title-line strong{min-width:0}
.session-pin-badge{flex:0 0 auto;padding:1px 4px;border:1px solid #cfd3d0;border-radius:999px;color:#6d736f;font-size:8px;line-height:1.4}
.session-actions{position:relative;align-self:center}
.session-actions summary{width:34px;height:30px;display:grid;place-items:center;border-radius:7px;color:#818783;cursor:pointer;list-style:none;font-size:10px;letter-spacing:1px}
.session-actions summary::-webkit-details-marker{display:none}
.session-actions summary:hover,.session-actions[open] summary{background:#e3e5e3;color:var(--text-strong)}
.session-actions-menu{position:absolute;z-index:8;top:32px;right:0;width:100px;padding:5px;display:grid;gap:2px;border:1px solid var(--border);border-radius:9px;background:#fff;box-shadow:0 8px 24px rgba(22,24,22,.12)}
.session-actions-menu button{height:30px;padding:0 9px;border:0;border-radius:6px;background:transparent;text-align:left;color:#4f5551;font-size:10px;white-space:nowrap}
.session-actions-menu button:hover{background:var(--surface-muted);color:var(--text-strong)}
.session-delete{width:auto!important;color:#8b3832!important;white-space:nowrap;writing-mode:horizontal-tb}
.session-delete:hover{background:#f9e9e8;color:var(--danger)}
.session-empty{padding:9px 10px;color:var(--faint);font-size:11px}
.sidebar-footer{padding:12px 6px 2px;border-top:1px solid var(--border)}
.sidebar-footer-mobile{display:none}
.sidebar-mode{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:10px;line-height:1.4}
.sidebar-mode i{width:7px;height:7px;border-radius:50%;background:#2c9863;box-shadow:0 0 0 3px rgba(44,152,99,.1)}
.sidebar-links{display:flex;align-items:center;gap:12px;margin-top:10px;color:#5f6561;font-size:11px}
.sidebar-links a:hover{color:var(--text-strong);text-decoration:underline;text-underline-offset:3px}
.drawer-scrim{display:none}

.session-dialog{width:min(360px,calc(100vw - 32px));padding:0;border:1px solid var(--border-strong);border-radius:14px;background:#fff;color:var(--text);box-shadow:0 24px 70px rgba(20,22,20,.18)}
.session-dialog::backdrop{background:rgba(30,32,30,.32)}
.session-dialog form{padding:20px;display:grid;gap:11px}
.session-dialog h2{margin:0 0 2px;font-size:17px;line-height:1.4}
.session-dialog label{color:#5f6561;font-size:11px;font-weight:600}
.session-dialog input{width:100%;height:40px;padding:0 11px;border:1px solid var(--border-strong);border-radius:9px;background:#fff;color:var(--text-strong)}
.session-dialog-state{min-height:17px;margin:0;color:var(--danger);font-size:10px;line-height:1.5}
.session-dialog-actions{display:flex;justify-content:flex-end;gap:8px}
.session-dialog-actions button{height:36px;padding:0 14px;border:1px solid var(--border-strong);border-radius:9px;background:#fff;color:#4f5551;font-weight:600}
.session-dialog-actions button.primary{border-color:#202226;background:#202226;color:#fff}
.session-dialog-actions button:disabled{cursor:not-allowed;opacity:.55}

.conversation{min-width:0;min-height:0;display:grid;grid-template-rows:64px minmax(0,1fr) auto;background:var(--canvas)}
.assistant-shell.auth-locked .conversation{grid-template-rows:64px minmax(0,1fr)}
.assistant-shell.model-locked .conversation{grid-template-rows:64px minmax(0,1fr)}
.assistant-auth-checking,.assistant-auth-gate,.assistant-model-gate{min-height:0;display:grid;place-items:center;padding:32px;overflow:auto;background:radial-gradient(circle at 50% 22%,#f1f4f2 0,rgba(241,244,242,0) 38%),#fff}
.assistant-auth-card{width:min(520px,100%);padding:30px;border:1px solid var(--border);border-radius:18px;background:#fff;box-shadow:0 20px 60px rgba(25,29,26,.08)}
.assistant-auth-checking-card{box-shadow:none}
.assistant-auth-kicker{display:inline-flex;padding:4px 8px;border-radius:999px;background:#edf2ef;color:#4c6659;font-size:10px;font-weight:800;letter-spacing:.04em}
.assistant-auth-card h2{margin:15px 0 8px;color:var(--text-strong);font-size:24px;line-height:1.3;letter-spacing:-.02em}
.assistant-auth-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}
.assistant-auth-card ul{margin:20px 0;padding:0;display:grid;gap:9px;list-style:none;color:#4e5551;font-size:12px}
.assistant-auth-card li{display:flex;align-items:center;gap:9px}
.assistant-auth-card li::before{content:"";width:7px;height:7px;flex:0 0 auto;border-radius:50%;background:#3c7d61;box-shadow:0 0 0 4px rgba(60,125,97,.1)}
.assistant-auth-action{height:42px;padding:0 18px;border:0;border-radius:10px;background:#202327;color:#fff;font-weight:800}
.assistant-auth-card a.assistant-auth-action{display:inline-flex;align-items:center;justify-content:center;justify-self:start}
.assistant-auth-action:hover{background:#303438}
.assistant-model-entry{height:30px;display:inline-flex;align-items:center;padding:0 10px;border:1px solid #c9ceca;border-radius:8px;background:#f8faf8;color:#3f554a;font-size:10px;font-weight:800;white-space:nowrap}
.assistant-model-entry:hover{border-color:#87948d;background:#f0f5f2}
.conversation-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 22px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.94);backdrop-filter:blur(16px)}
.conversation-head-primary{min-width:0;display:flex;align-items:center;gap:24px}
.conversation-title{min-width:0;display:flex;align-items:center;gap:10px}
.conversation-title h1{margin:0;font-size:14px;line-height:1.3;font-weight:700}
.conversation-status{display:block;margin-top:2px;color:var(--muted);font-size:10px;line-height:1.3}
.mobile-sessions-button{display:none;width:36px;height:36px;padding:0;place-items:center;border:0;border-radius:9px;background:transparent;color:#4e5451}
.mobile-sessions-button:hover{background:var(--surface-muted)}
.assistant-header-links{min-width:0;display:flex;align-items:center;gap:14px}
.assistant-nav{display:flex;align-items:center;gap:2px}
.assistant-nav a{height:36px;display:inline-flex;align-items:center;padding:0 10px;border-radius:8px;color:#626864;font-size:12px;font-weight:600}
.assistant-nav a:hover{background:var(--surface-muted);color:var(--text-strong)}
.header-mode{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:10px;line-height:1.4;white-space:nowrap}
.header-mode i{width:7px;height:7px;border-radius:50%;background:#2c9863;box-shadow:0 0 0 3px rgba(44,152,99,.1)}
.top-actions{min-width:0;display:flex;align-items:center;justify-content:flex-end;gap:8px}
.top-actions .site-search-wrap{display:none}

.messages{min-height:0;padding:42px max(24px,calc((100% - var(--content-width))/2));overflow:auto;scroll-behavior:smooth;scrollbar-width:thin}
.welcome{max-width:620px;margin:clamp(40px,12vh,110px) auto 0;text-align:center}
.welcome h2{margin:0;color:var(--text-strong);font-size:28px;line-height:1.25;letter-spacing:-.02em}
.welcome p{margin:9px 0 0;color:var(--muted);font-size:14px;line-height:1.6}
.suggestions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:26px}
.suggestions button{min-height:48px;padding:11px 13px;border:1px solid var(--border);border-radius:11px;background:#fbfbfb;text-align:left;color:#454a47;font-size:12px;line-height:1.45}
.suggestions button:hover{border-color:#b7bbb7;background:var(--surface)}

.message{width:100%;max-width:var(--content-width);margin:0 auto 30px}
.message-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.message-body{max-width:100%;color:#292c2a;font-size:15px;line-height:1.78;white-space:pre-wrap;overflow-wrap:anywhere}
.message.user{display:flex;justify-content:flex-end;margin-bottom:40px}
.message.user .message-body{width:fit-content;max-width:min(78%,620px);padding:11px 15px;border:1px solid #e4e5e3;border-radius:15px;background:var(--surface-muted);line-height:1.6}
.message.assistant .message-body{padding:0 2px}
.message.assistant .message-body.error-line{padding:10px 13px;border-left:3px solid var(--danger);background:#fff8f7}
.error-line{color:var(--danger)}

.response-section{max-width:var(--content-width);margin:0 auto 26px}
.response-section h3{margin:0 0 9px;color:var(--muted);font-size:11px;line-height:1.4;font-weight:700}
.result-list,.step-list{display:grid;gap:7px}
.result-card,.step-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:11px 12px;border:1px solid var(--border);border-radius:9px;background:#fff}
.result-card:hover{border-color:#b1b5b1}
.result-card strong,.step-row strong{display:block;margin-bottom:3px;font-size:12px}
.result-card p,.step-row p{margin:0;color:var(--muted);font-size:11px;line-height:1.55}
.result-arrow{align-self:center;color:#3f4341;font-size:18px}
.evidence-inline{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:-12px}
.evidence-inline h3{width:auto;margin:0 3px 0 0}
.evidence-list{display:flex;flex-wrap:wrap;gap:6px}
.evidence-item{display:inline-flex;align-items:center;gap:5px;max-width:100%;padding:5px 8px;border:1px solid var(--border);border-radius:7px;background:#fff;color:#59605c;font-size:10px}
.evidence-item:hover{border-color:#b1b5b1;color:var(--text-strong)}
.evidence-type{color:var(--faint);font-size:9px;font-weight:700}
.evidence-item strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px}
.tool-calls{display:flex;flex-wrap:wrap;gap:6px}
.agent-execution{display:grid;gap:14px;padding:14px 16px;border-left:3px solid #308568;background:#f7fbf9}
.agent-execution.is-partial{border-left-color:#c38a1f;background:#fffaf1}
.agent-execution.is-failed{border-left-color:var(--danger);background:#fff8f7}
.agent-execution-header{display:flex;align-items:center;justify-content:space-between;gap:12px}
.agent-execution-header strong{font-size:14px;color:#242925}
.agent-execution-runtime{color:#69716c;font-size:11px}
.agent-objectives,.agent-execution-errors{display:grid;gap:8px}
.agent-objectives h4,.agent-execution-errors h4{margin:0;color:#373d39;font-size:12px}
.agent-objective{display:grid;grid-template-columns:1fr auto;gap:3px 12px;padding:9px 10px;border:1px solid #dfe6e1;border-radius:8px;background:#fff}
.agent-objective strong,.agent-objective span{font-size:11px}
.agent-objective span{color:#27775e;font-weight:700}
.agent-objective.is-partial span,.agent-objective.is-unfulfilled span{color:#9a6a10}
.agent-objective p{grid-column:1/-1;margin:0;color:#66706a;font-size:11px;line-height:1.55}
.agent-execution-plan{border-top:1px solid rgba(80,91,84,.14);padding-top:10px}
.agent-execution-plan summary{cursor:pointer;color:#464e49;font-size:11px;font-weight:800}
.agent-execution-steps{display:grid;gap:7px;margin:10px 0 0;padding:0;list-style:none}
.agent-execution-steps li{padding:8px 10px;border:1px solid #dfe4e1;border-radius:8px;background:#fff}
.agent-execution-steps li.is-failed{border-color:#e4c8c4}
.agent-execution-steps strong,.agent-execution-steps small{display:block;font-size:11px}
.agent-execution-steps small{margin-top:2px;color:#737b76}
.agent-execution-error{padding:10px;border:1px solid #ead6b2;border-radius:8px;background:#fff}
.agent-execution-error strong{display:block;color:#4f4534;font-size:11px}
.agent-execution-error p,.agent-execution-error small{display:block;margin:3px 0 0;color:#806b45;font-size:10px;line-height:1.5}
.agent-live-execution{display:grid;gap:10px;padding:13px 15px;border:1px solid #dfe4e1;border-left:3px solid #517a69;border-radius:10px;background:#fafcfb}.agent-live-execution.is-failed{border-left-color:var(--danger);background:#fff8f7}.agent-live-steps{display:grid;gap:6px;margin:0;padding:0;list-style:none}.agent-live-steps li{display:grid;grid-template-columns:14px minmax(0,1fr);gap:8px;align-items:start;padding:7px 0;border-top:1px solid rgba(80,91,84,.1)}.agent-live-steps li:first-child{border-top:0}.agent-live-steps strong,.agent-live-steps small{display:block;font-size:11px}.agent-live-steps small{margin-top:2px;color:#737b76}.agent-live-indicator{width:8px;height:8px;margin-top:4px;border:2px solid #9aa49e;border-radius:50%}.agent-live-steps .is-running .agent-live-indicator{border-color:#517a69;border-top-color:transparent;animation:agent-live-spin .8s linear infinite}.agent-live-steps .is-completed .agent-live-indicator{border-color:#308568;background:#308568}.agent-live-steps .is-failed .agent-live-indicator{border-color:var(--danger);background:var(--danger)}@keyframes agent-live-spin{to{transform:rotate(360deg)}}
.tool-call{display:flex;gap:5px;padding:5px 8px;border:1px solid var(--border);border-radius:7px;color:var(--muted);font-size:10px}

.save-workflow{display:grid;gap:12px;padding:14px;border:1px solid var(--border);border-radius:11px;background:#fafafa}
.save-workflow-heading strong{display:block;font-size:13px;color:#272b29}
.save-workflow-heading p,.workflow-draft-tool,.workflow-save-state{margin:4px 0 0;color:#6c736f;font-size:11px;line-height:1.55}
.workflow-draft-editor{display:grid;gap:10px}
.workflow-draft-field{display:grid;gap:5px;color:#555d58;font-size:11px;font-weight:700}
.workflow-draft-field input,.workflow-draft-field textarea{width:100%;padding:8px 9px;border:1px solid var(--border-strong);border-radius:7px;outline:0;background:#fff;color:var(--text);font-size:12px;line-height:1.45;resize:vertical}
.workflow-draft-field input:focus,.workflow-draft-field textarea:focus{border-color:#858b87;box-shadow:0 0 0 2px rgba(60,64,61,.08)}
.workflow-draft-field input:disabled,.workflow-draft-field textarea:disabled{color:#686e6a;background:#eceeed}
.workflow-draft-step{display:grid;gap:8px;margin:0;padding:10px;border:1px solid #d9dcda;border-radius:8px;background:#fff}
.workflow-draft-step legend{padding:0 5px;color:#555d58;font-size:10px;font-weight:800}
.workflow-save-confirmation{display:flex;align-items:flex-start;gap:8px;color:#4c554f;font-size:12px;line-height:1.5}
.workflow-save-confirmation input{margin-top:3px;accent-color:#272b29}
.workflow-save-state.error-line{color:var(--danger)}
.workflow-save-link{justify-self:start;color:#3f4642;font-size:12px;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.workflow-save-link:hover{color:#171a18}
.save-workflow button,.composer button{border:0;background:#202327;color:#fff;font-weight:700}
.save-workflow button{justify-self:start;height:34px;padding:0 13px;border-radius:7px;white-space:nowrap}
.save-workflow button:disabled,.composer button:disabled{cursor:not-allowed;opacity:.42}

.message-retry{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:#fafafa}
.message-retry p{margin:0;color:#626964;font-size:11px;line-height:1.55}
.message-retry button{flex:0 0 auto;padding:7px 11px;border:1px solid var(--border-strong);border-radius:8px;background:#fff;color:#242825;font-size:11px;font-weight:700}
.message-retry button:hover{background:#f0f1f0}

.composer-wrap{padding:16px max(24px,calc((100% - var(--content-width))/2)) 15px;background:linear-gradient(to bottom,rgba(255,255,255,0),#fff 18px)}
.composer{width:100%;max-width:var(--content-width);margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:end;gap:8px;padding:10px 10px 10px 16px;border:1px solid var(--border-strong);border-radius:18px;background:#fff;box-shadow:0 8px 26px rgba(26,28,26,.08),0 1px 2px rgba(26,28,26,.05)}
.composer:focus-within{border-color:#8c918d;box-shadow:0 8px 26px rgba(26,28,26,.1),0 0 0 2px rgba(60,64,61,.07)}
.composer textarea{width:100%;min-height:44px;max-height:132px;padding:11px 0 8px;border:0;resize:none;outline:0;color:#1e2220;background:transparent;font-size:14px;line-height:1.5}
.composer textarea::placeholder{color:#9a9f9b}
.composer button{width:40px;height:40px;padding:0;display:grid;place-items:center;border-radius:12px}
.composer button svg{width:19px;height:19px;stroke-width:2}
.composer .stop-button{border:1px solid #efcac7;background:#fff4f3;color:var(--danger)}
.composer .stop-button svg{fill:currentColor;stroke:none}
.composer-note{max-width:var(--content-width);margin:7px auto 0;color:var(--faint);font-size:10px;line-height:1.45;text-align:center}

@media(max-width:800px){
  .assistant-shell{display:block}
  .assistant-auth-gate,.assistant-model-gate{height:calc(100dvh - 58px);padding:20px}
  .assistant-auth-card{padding:24px 20px}
  .context-panel{position:fixed;z-index:80;inset:0 auto 0 0;width:min(86vw,320px);display:flex;transform:translateX(-104%);transition:transform .2s ease;box-shadow:18px 0 44px rgba(23,25,23,.14)}
  .context-panel.session-drawer-open{transform:translateX(0)}
  .session-close{display:grid}
  .sidebar-footer-mobile{display:block}
  .drawer-scrim{position:fixed;z-index:70;inset:0;display:block;border:0;background:rgba(25,27,25,.24);backdrop-filter:blur(1px)}
  .conversation{height:100dvh;grid-template-rows:58px minmax(0,1fr) auto}
  .conversation-head{padding:0 12px}
  .assistant-header-links{display:none}
  .mobile-sessions-button:not([hidden]){display:grid}
  .top-actions .site-search-wrap{display:none}
  .messages{padding:26px 18px}
  .welcome{margin-top:clamp(36px,10vh,80px)}
  .welcome h2{font-size:24px}
  .suggestions{grid-template-columns:1fr;margin-top:22px}
  .message{margin-bottom:24px}
  .message.user{margin-bottom:30px}
  .message.user .message-body{max-width:88%;font-size:14px}
  .message-body{font-size:15px;line-height:1.72}
  .composer-wrap{padding:12px 12px max(10px,env(safe-area-inset-bottom));background:#fff}
  .composer{padding-left:14px;border-radius:17px}
  .composer-note{margin-top:6px;font-size:9px}
  .message-retry{align-items:stretch;flex-direction:column}
  .message-retry button{width:100%}
  .save-workflow{padding:12px}
  .save-workflow button{justify-self:stretch;width:100%}
  .workflow-save-link{justify-self:center}
}
@media(max-width:420px){
  .messages{padding-inline:14px}
  .suggestions button:nth-child(n+3){display:none}
  .composer-wrap{padding-inline:10px}
  .composer button{width:38px;height:38px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}