:root{
  --bg:#f5f6fb;
  --surface:#fff;
  --line:#eceef5;
  --text:#1b1c22;
  --muted:#8b8d98;
  --soft:#6b6d78;
  --accent:#5b5ce2;
  --accent-2:#7a5cf0;
  --selected:#eef0ff;
  --shadow:0 10px 40px #1b1c2210;
  font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC',sans-serif;
  color:var(--text);
  background:var(--bg);
  font-synthesis:none;
}
*{box-sizing:border-box}
body{margin:0}
button,input,textarea{font:inherit}
button,a{touch-action:manipulation}
button{cursor:pointer;background:none;border:0;color:inherit}
button:disabled{opacity:.45;cursor:not-allowed}
a{color:inherit;text-decoration:none}

aside{
  position:fixed;inset:0 auto 0 0;width:232px;background:var(--surface);
  padding:22px 16px 20px;border-right:1px solid var(--line);display:flex;flex-direction:column;
}
.brand{display:flex;align-items:center;gap:10px;margin:4px 8px 28px}
.mark{
  width:32px;height:32px;border-radius:50%;background:linear-gradient(180deg,var(--accent),var(--accent-2));
  color:#fff;display:grid;place-items:center;font-size:13px;font-weight:600;flex:none;
}
.brand-copy{display:flex;flex-direction:column;line-height:1.2}
.brand-copy b{font-size:16px;font-weight:650}
.brand-copy small{color:var(--muted);font-size:11px;margin-top:2px}
.nav-label{font-size:11px;color:var(--muted);margin:0 10px 8px;letter-spacing:.08em}
.os-nav{display:flex;flex-direction:column;gap:2px}
.os-nav a,.tool-subnav a{
  display:block;padding:10px 12px;border-radius:10px;font-size:14px;color:#3c3d46;
}
.os-nav a.active,.tool-subnav a.active{background:var(--selected);color:var(--accent);font-weight:600}
.os-nav a:hover,.tool-subnav a:hover{background:#f4f5fb}
.tool-subnav{margin:10px 0 0;padding:8px 0 0;border-top:1px solid var(--line)}
.tool-subnav a{font-size:12px;color:var(--soft)}
.aside-bottom{margin-top:auto;padding:14px 10px 4px}
.aside-bottom strong{display:block;font-size:13px;font-weight:600}
.aside-bottom small{display:block;color:var(--muted);font-size:11px;margin:4px 0 10px}
#logout{font-size:12px;color:var(--accent)}

.workspace{margin-left:232px}
header{
  height:64px;padding:0 36px;border-bottom:1px solid var(--line);background:var(--surface);
  display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);
}
#os-crumb a{color:var(--accent)}
.mock-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  background:#f3f4f8;color:#6b6d78;font-size:11px;letter-spacing:.04em;
}

main{max-width:1180px;margin:auto;padding:36px 40px 64px}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--muted)}
h1{font-size:40px;letter-spacing:-1.4px;margin:10px 0 8px;font-weight:650}
h1 span{color:var(--accent)}
p{font-size:14px;line-height:1.7;color:var(--soft)}
.heading p{margin:8px 0 24px}

.plugin-strip{
  border:1px solid var(--line);background:#f7f8fd;border-radius:14px;
  display:flex;align-items:center;justify-content:space-between;padding:14px 18px;margin-bottom:24px;
}
.plugin-strip i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#c5c7d1;margin-right:8px}
.plugin-strip i.ready{background:#3fba7a}
.plugin-strip span{display:block;margin:4px 0 0 15px;color:var(--muted);font-size:12px}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow)}
.panel-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px}
.panel-title h2{font-size:16px;margin:0;font-weight:650}
.panel-title span{font-size:11px;color:var(--muted)}
label{display:block;font-size:12px;font-weight:550;margin:16px 0 8px}
em{font-style:normal;color:var(--muted);font-size:11px;margin-left:8px}
input,textarea{
  border:1px solid var(--line);border-radius:10px;background:#fcfcfe;width:100%;
  padding:12px 13px;outline:none;color:var(--text);font-size:13px;
}
textarea{resize:vertical;line-height:1.65}
input:focus,textarea:focus{border-color:#c8c9f5;box-shadow:0 0 0 3px #eef0ff}
input::placeholder,textarea::placeholder{color:#b0b2bc}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.plan{margin:20px 0 22px;background:#f7f8fd;border-radius:12px;padding:12px 16px}
.plan div{display:flex;gap:14px;align-items:center;font-size:13px;padding:7px 0}
.plan b{font-size:11px;color:var(--muted);font-weight:550}
.submit-row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.submit-row span{font-size:11px;color:var(--muted)}

.primary,.secondary{display:inline-block;border-radius:999px;padding:11px 18px;font-size:13px;font-weight:600}
.primary{
  background:linear-gradient(180deg,var(--accent),var(--accent-2));color:#fff;border:0;
  box-shadow:0 8px 20px #5b5ce233;
}
.primary:hover{filter:brightness(1.05)}
.secondary{border:1px solid var(--line);background:#fff;color:#3c3d46}
.secondary:hover{background:#f7f8fd}
.button{margin:8px 8px 12px 0}
.text-button{font-size:12px;color:var(--muted)}

.stage{margin-bottom:28px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.stat-card b{font-size:12px;color:var(--muted)}
.stat-card strong{display:block;font-size:28px;margin:10px 0 6px}
.stat-card small{display:block;color:var(--muted);line-height:1.5}
.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tool-card{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;
  box-shadow:var(--shadow);min-height:168px;
}
.tool-card b{color:var(--muted);font-size:12px}
.tool-card h3{margin:10px 0 8px;font-size:16px}
.tool-card p{margin:0;font-size:13px}
.stage-note{font-size:13px;color:var(--muted);margin-top:18px}
.coming-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:36px;box-shadow:var(--shadow)}

.build-stage{display:grid;grid-template-columns:1fr 320px;gap:20px;align-items:start}
.build-board{
  background:var(--surface);border:1px solid var(--line);border-radius:20px;min-height:420px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:36px;box-shadow:var(--shadow);
}
.step-row{display:flex;align-items:center;gap:10px}
.step-card{
  width:148px;background:#fafbff;border:1px solid var(--line);border-radius:16px;padding:22px 16px;text-align:center;
}
.step-card strong{display:block;margin:10px 0 4px}
.step-card span{font-size:12px;color:var(--muted)}
.step-ico{display:block;width:40px;height:40px;margin:0 auto;border-radius:50%;background:#eef0ff;box-shadow:inset 0 0 0 1px #d9dcff}
.step-line{width:28px;height:1px;background:#d9dce8}
.inspector{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
.inspector h3{margin:0 0 8px;font-size:16px}

.empty{text-align:center;padding:40px 0 28px}
.empty-icon{font-size:40px;color:#c5c7d6}
.empty h3{font-size:15px;font-weight:600;margin:12px 0}
.empty p{font-size:13px;color:var(--muted)}
.notes{padding:18px 6px}
.notes h3{font-size:13px;font-weight:600}
.notes p{font-size:12px;margin:8px 0}
.progress-panel h3{font-size:16px;font-weight:600}
.progress-count{margin:22px 0 16px;display:flex;align-items:baseline;gap:10px}
.progress-count strong{font-size:42px;font-weight:500;font-variant-numeric:tabular-nums}
.progress-count span{font-size:12px;color:var(--muted)}
progress{width:100%;height:6px;border:0;border-radius:99px;overflow:hidden;background:#eef0f5}
progress::-webkit-progress-bar{background:#eef0f5}
progress::-webkit-progress-value{background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.verification{padding:14px;background:#fff8eb;border:1px solid #f0e2b8;border-radius:12px;margin:16px 0;font-size:13px}
.verification p{font-size:12px}
.results{margin-top:24px}
.result-row{
  display:grid;grid-template-columns:1.3fr 2fr 65px 70px;gap:16px;align-items:center;
  border-top:1px solid var(--line);padding:16px 0;font-size:13px;
}
.result-row small{display:block;font-size:11px;color:var(--muted);margin-top:4px;line-height:1.6}
.result-row img{width:58px;height:43px;object-fit:cover;object-position:top;border:1px solid var(--line);border-radius:6px}
.chip{display:inline-block;font-size:11px;padding:3px 7px;background:#f3f4f8;border-radius:6px;color:var(--soft)}
.chip.captured{background:#e8f7ee;color:#2f8a55}
.chip.failed,.chip.waiting_verification,.chip.unverified{background:#fff4d6;color:#9a7420}
.result-actions{font-size:12px;color:var(--accent)}
.history-item{width:100%;display:flex;justify-content:space-between;text-align:left;padding:18px 0;border-top:1px solid var(--line)}
.history-item strong{font-size:14px;font-weight:600}
.history-item small{display:block;font-size:11px;color:var(--muted);margin-top:6px}
.error{color:#c45a3c;font-size:13px}
footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:22px 0 0;margin-top:36px;font-size:11px;color:var(--muted)}

.auth{display:grid;grid-template-columns:1fr 380px;gap:56px;max-width:1040px;margin:80px auto;padding:20px 40px}
.auth h1{font-size:64px}
.auth .panel{padding:28px}
.auth form .primary{width:100%;margin:24px 0 14px}
.tabs{display:flex;gap:18px;margin-bottom:24px}
.tabs button{color:var(--muted);padding:4px 0}
.tabs .selected{color:var(--text);border-bottom:2px solid var(--accent)}
small{font-size:11px;line-height:1.7;color:var(--muted)}

dialog{border:1px solid var(--line);border-radius:16px;padding:28px;width:min(550px,92vw);color:var(--text);box-shadow:var(--shadow)}
dialog::backdrop{background:#1b1c2266}
dialog h2{font-size:22px;font-weight:600}
dialog ol{font-size:13px;line-height:2.1;padding-left:20px}
dialog small{display:block}
.close{float:right;font-size:22px}
#preview{width:min(1050px,94vw);padding:20px;max-height:90vh}
#preview img{width:100%;height:auto;margin-top:14px}
.preview-bar{display:flex;justify-content:space-between;font-size:13px}
#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#1b1c22;color:#fff;border-radius:10px;padding:12px 20px;font-size:13px;z-index:10}
[hidden]{display:none!important}
body.auth-locked aside,body.auth-locked header{display:none}
body.auth-locked .workspace{margin:0}

#ad-compose{margin-bottom:24px}
#ad-form>p,#ad-compose>p{font-size:13px;line-height:1.75;color:var(--soft)}
.material-list{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 16px}
.compose-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px;margin:8px 0 4px}
.compose-grid figure{margin:0}
.compose-grid img{width:100%;height:auto;border:1px solid var(--line);border-radius:10px;background:#fff}
.compose-grid figcaption{margin-top:8px;font-size:11px;color:var(--muted);line-height:1.5}
#ad-compose-state{min-height:22px;font-size:12px;color:var(--soft)}
.merge-legacy{margin-top:32px;border-top:1px solid var(--line);padding-top:16px}
.merge-legacy summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--soft);margin-bottom:10px}
#outline-status{min-height:22px;font-size:12px;color:#2f8a55}
.merge-select,.merge-actions{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}
.merge-row{display:grid;grid-template-columns:24px 1fr 160px;align-items:center;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}
.merge-row input[type=checkbox]{width:18px;height:18px;margin:0}
.merge-row small{display:block;color:var(--muted);margin-top:4px}
.merge-row input[type=date]{margin:0}
.merge-row strong{overflow-wrap:anywhere}
#merge-list{max-height:420px;overflow:auto}
#merge-status{min-height:24px}

@media(max-width:1100px){
  aside{width:196px}
  .workspace{margin-left:196px}
  main{padding:28px}
  .grid,.build-stage,.tool-grid,.stat-grid{grid-template-columns:1fr}
  .auth{grid-template-columns:1fr;max-width:520px;margin:36px auto}
  .auth>div{display:none}
}
@media(max-width:760px){
  aside{position:static;width:auto;padding:14px}
  .os-nav{flex-direction:row;flex-wrap:wrap}
  .aside-bottom,.nav-label,.tool-subnav{display:none}
  .workspace{margin:0}
  header{height:52px;padding:0 18px}
  main{padding:20px 16px}
  h1{font-size:32px}
  .result-row{grid-template-columns:1fr 1.2fr 50px;gap:8px}
  .result-row .result-actions{grid-column:3}
}