:root{color-scheme:dark;--bg:#0b0e13;--panel:#11161e;--line:#252e3a;--text:#edf1f7;--muted:#a0adbf;--cyan:#62dfda;--amber:#f0bb71;--violet:#b8a8fa}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(ellipse at 10% 0%,#12303766,transparent 40%),var(--bg);color:var(--text);font-family:"Sora","Microsoft YaHei",system-ui,sans-serif;font-size:14px;line-height:1.65}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button,a,select{touch-action:manipulation}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
.mono,code{font-family:"IBM Plex Mono",Consolas,monospace}
.demo-shell{max-width:1320px;margin:auto;padding:0 44px}
.demo-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}
.demo-brand{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:600}
.demo-nav nav{display:flex;align-items:center;gap:24px;font-size:12px;color:var(--muted)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;border:1px solid #354253;border-radius:7px;padding:10px 15px;color:var(--text);background:transparent;font-size:12px;font-weight:600;white-space:nowrap;transition:background .15s,border-color .15s}
.button:hover{background:#ffffff09;border-color:var(--muted)}
.button.primary{background:var(--cyan);border-color:var(--cyan);color:#102024}
.button.primary:hover{background:#98eee8}
.demo-intro{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:48px 0 28px}
.demo-actions{display:flex;gap:10px;flex-wrap:wrap}
.demo-status[data-kind="warning"]{color:var(--amber)}
.claimed-files{font-size:10px;color:var(--cyan);overflow-wrap:anywhere;margin:0 0 14px}
.eyebrow{font-family:Consolas,monospace;letter-spacing:.13em;color:var(--cyan);font-size:10px;margin:0 0 16px}
h1{font-size:clamp(26px,3.3vw,40px);line-height:1.3;letter-spacing:-.055em;margin:0;font-weight:600}
.intro-copy{color:var(--muted);margin:16px 0 0;font-size:13px}
.demo-notice{display:flex;gap:10px;align-items:center;color:#c8b78f;background:#edbe6110;border:1px solid #6e5d373d;border-radius:7px;padding:12px 16px;margin:0 0 26px;font-size:11px}
.demo-notice strong{color:var(--amber);white-space:nowrap}
.notice-dot{width:5px;height:5px;border-radius:50%;background:var(--amber);flex-shrink:0}
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:34px}
.metric{border:1px solid var(--line);border-radius:9px;background:var(--panel);padding:19px 22px}
.metric>span{font-size:11px;display:flex;align-items:center;gap:7px;color:var(--muted)}
.metric strong{display:block;font-size:33px;line-height:1.3;margin:8px 0 4px;font-weight:500}
.metric small{font-size:10px;color:var(--muted)}
.dot{width:6px;height:6px;border-radius:50%;display:inline-block;background:var(--muted)}
.dot.active{background:var(--cyan)}
.dot.blocked{background:var(--amber)}
.dot.done{background:var(--violet)}
.demo-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(310px,1fr);gap:26px;align-items:start}
.section-heading,.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}
.section-heading{margin-bottom:18px;min-height:44px}
h2{font-size:15px;font-weight:600;letter-spacing:-.02em;margin:0}
.subtle{font-size:10px;color:var(--muted)}
.filter-label{display:flex;align-items:center;gap:9px;font-size:11px;color:var(--muted);white-space:nowrap}
select,textarea{border:1px solid #354253;background:#0c1118;color:var(--text);border-radius:6px;padding:10px 12px;font-size:12px;min-width:0;max-width:100%}
.filter-label select{padding:8px 10px;font-size:11px}
.session-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.session-card{padding:22px 20px;border:1px solid var(--line);border-top:2px solid var(--agent-color,var(--cyan));border-radius:9px;background:var(--panel);min-width:0}
.session-card.is-done{border-top-color:var(--violet)}
.session-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:18px}
.platform-name{color:var(--agent-color,var(--cyan));font-size:12px;font-weight:600}
.state-label{font-size:10px;display:flex;gap:6px;align-items:center;color:var(--muted);white-space:nowrap}
.session-card h3{font-size:15px;line-height:1.6;font-weight:500;margin:0 0 9px}
.branch{font-size:10px;overflow-wrap:anywhere;color:var(--muted);margin:0 0 18px}
.session-note{color:var(--muted);font-size:11px;min-height:37px;margin:0 0 18px}
.session-bottom{border-top:1px solid var(--line);padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.session-bottom span{font-size:10px;color:var(--muted)}
.text-button{border:0;background:none;padding:5px 0;font-size:11px;color:var(--cyan)}
.text-button:hover{text-decoration:underline;text-underline-offset:4px}
.text-button:disabled{color:var(--violet);cursor:default;text-decoration:none}
.side-stack{display:flex;flex-direction:column;gap:18px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:22px}
.panel-heading{margin-bottom:19px}
.small-badge{padding:3px 7px;border:1px solid #43615e;border-radius:4px;font-size:9px;color:var(--cyan);white-space:nowrap}
form>label{display:block;font-size:11px;color:var(--muted);margin:14px 0 7px}
form select,form textarea{display:block;width:100%}
textarea{resize:vertical;min-height:91px;line-height:1.7}
textarea::placeholder{color:#7d8ba0}
.form-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}
.form-footer>span{font-size:9px;color:var(--muted)}
.messages{display:grid;gap:18px;max-height:340px;overflow:auto}
.message{border-bottom:1px solid var(--line);padding-bottom:16px}
.message:last-child{border-bottom:0;padding-bottom:0}
.message-meta{font-size:9px;color:var(--muted);display:flex;justify-content:space-between;gap:10px}
.message p{font-size:11px;margin:8px 0;color:#c9d3df;white-space:pre-wrap;overflow-wrap:anywhere}
.message-reply{border-left:2px solid var(--cyan);padding-left:12px;margin-top:12px}
.message-reply span{font-size:9px;color:var(--cyan)}
.message-reply p{font-size:10px;color:var(--muted);margin-bottom:0}
.workflow-note{padding:24px 4px;display:flex;gap:17px;align-items:flex-start;flex-wrap:wrap}
.step-number{color:var(--cyan);font-size:10px;letter-spacing:.04em;padding-top:3px}
.workflow-note p{font-size:11px;color:var(--muted);margin:0;flex:1;min-width:210px}
.workflow-note strong{color:#cdd8e4;font-weight:500}
.workflow-note a{font-size:10px;color:var(--cyan)}
.timeline-panel{margin-top:26px}
.timeline{list-style:none;padding:0;margin:0;display:grid;gap:12px;max-height:240px;overflow:auto}
.timeline li{display:flex;align-items:baseline;gap:18px;font-size:11px;color:#c9d3df}
.timeline time{font-family:Consolas,monospace;color:var(--muted);font-size:10px;flex-shrink:0}
.demo-status{font-size:11px;min-height:22px;color:var(--cyan);margin:14px 0}
.demo-footer{display:flex;justify-content:space-between;gap:22px;border-top:1px solid var(--line);padding:24px 0 34px;margin-top:32px;color:var(--muted);font-size:10px}
.demo-footer code{color:#c5d4e2;overflow-wrap:anywhere}
.demo-footer a{color:var(--cyan);white-space:nowrap}
.empty-state{padding:36px 20px;border:1px dashed var(--line);border-radius:8px;font-size:12px;color:var(--muted)}
.skip-demo{position:fixed;left:16px;top:-100px;background:var(--cyan);padding:10px 16px;color:#102024;z-index:10}
.skip-demo:focus{top:16px}
[hidden]{display:none!important}
@media(max-width:1024px){.demo-shell{padding:0 26px}.demo-grid{grid-template-columns:1fr}.side-stack{display:grid;grid-template-columns:1fr 1fr}.demo-intro{padding-top:38px}.workflow-note{padding-bottom:0}}
@media(max-width:620px){.demo-shell{padding:0 18px}.demo-nav{padding:20px 0;gap:14px}.demo-nav nav{gap:12px}.demo-nav nav>a:first-child{display:none}.demo-brand{gap:7px;font-size:11px}.demo-brand img{width:25px;height:25px}.demo-nav .button{font-size:10px;padding:9px 10px;gap:5px}.demo-intro{align-items:flex-start;flex-direction:column;gap:18px;padding-top:32px}h1{font-size:27px}.eyebrow{font-size:8px;letter-spacing:.08em}.intro-copy{font-size:12px}.demo-notice{flex-wrap:wrap;gap:8px;font-size:10px}.demo-notice>span:last-child{flex-basis:100%}.metrics{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:28px}.metric{padding:16px}.metric strong{font-size:30px}.side-stack{display:flex}.session-grid{grid-template-columns:1fr}.section-heading{align-items:flex-start;gap:12px}.filter-label{font-size:10px;gap:7px}.panel{padding:18px}.timeline li{gap:12px;font-size:10px}.timeline-panel .panel-heading{align-items:flex-start;flex-direction:column;gap:4px}.demo-footer{flex-direction:column;gap:12px}.workflow-note p{min-width:190px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}