:root{--bg:#120b08;--panel:#20110d;--panel2:#2a1711;--line:#5b2a1d;--text:#ffeadd;--muted:#c5927e;--accent:#ff6b35;--accent2:#ffd166;--bad:#ff5c7a;--ok:#4ade80}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 20% 0,#4a1c12 0,#120b08 42%,#080504 100%);color:var(--text);font-family:ui-sans-serif,system-ui,"Microsoft YaHei",sans-serif}.hidden{display:none!important}.overlay{position:fixed;inset:0;display:grid;place-items:center;background:rgba(8,5,4,.78);backdrop-filter:blur(12px);z-index:9}.login-card{width:min(420px,92vw);background:linear-gradient(145deg,#2d1710,#160b08);border:1px solid #71311f;border-radius:28px;padding:34px;box-shadow:0 30px 90px #0008}.logo{font-size:54px}.login-card h1{margin:8px 0}.login-card p{color:var(--muted)}input,select,textarea{width:100%;border:1px solid #69301f;background:#120907;color:var(--text);border-radius:14px;padding:13px 14px;font:inherit;outline:none}textarea{resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #ff6b3522}button{border:0;border-radius:14px;padding:13px 18px;background:linear-gradient(135deg,var(--accent),#e54b20);color:white;font-weight:800;cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}.err,.bad,.error{color:var(--bad)}.ok{color:var(--ok)}.app{width:min(1180px,94vw);margin:0 auto;padding:34px 0}.hero{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:22px}.badge{color:var(--accent2);letter-spacing:.18em;font-weight:900;font-size:12px}.hero h1{font-size:48px;margin:8px 0 8px}.hero p{max-width:680px;color:var(--muted);font-size:17px}.status{background:#1d0f0b;border:1px solid var(--line);border-radius:20px;padding:18px;min-width:190px;display:grid;gap:6px}.status span{color:var(--muted)}.panel{background:linear-gradient(180deg,#21110d,#160b08);border:1px solid var(--line);border-radius:26px;padding:22px;box-shadow:0 20px 60px #0005;margin-bottom:22px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.wide{grid-column:1/-1}label{display:grid;gap:8px;color:#ffd6c5;font-weight:700}.actions{display:flex;align-items:center;gap:14px}.busy{color:var(--accent2)}.chat-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.chat h2{margin:0 0 12px}.chat code{color:var(--muted);font-size:12px}.messages{height:520px;overflow:auto;border-radius:20px;background:#0d0706;border:1px solid #35180f;padding:18px}.empty{color:var(--muted);text-align:center;margin-top:170px}.msg{margin:0 0 14px;padding:14px 16px;border-radius:18px;border:1px solid #3d1b12;background:#190d0a}.msg.user{background:#2a170f;border-color:#6f321f}.msg.assistant{background:#15100d}.msg.toolResult{background:#0e1114;border-color:#263241;color:#cfe7ff}.msg.error{background:#2a0f16;border-color:#823348}.msg pre{white-space:pre-wrap;word-break:break-word;margin:0;font:14px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace}details{margin-top:8px}summary{cursor:pointer;color:var(--accent2);font-weight:800}@media(max-width:760px){.hero{display:block}.hero h1{font-size:36px}.grid{grid-template-columns:1fr}.messages{height:480px}}
.required{display:inline-block;margin-left:6px;color:var(--accent2);font-style:normal;font-size:12px;font-weight:900;letter-spacing:.08em;vertical-align:middle}
.required.placeholder{color:var(--muted);font-weight:400}
.follow{display:grid;grid-template-columns:1fr auto;gap:12px;margin-top:14px}.follow textarea{min-height:58px}.follow button{align-self:stretch}@media(max-width:760px){.follow{grid-template-columns:1fr}.follow button{height:48px}}
.chat-tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.ghost{background:transparent;border:1px solid var(--line);color:var(--text);padding:9px 12px;border-radius:12px}.ghost:hover:not(:disabled){border-color:var(--accent);color:#fff}.ghost:disabled{opacity:.45}
.history-panel h2{margin:0}.history-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.resume-row{display:grid;grid-template-columns:1fr auto;gap:12px;margin-bottom:14px}.session-list{display:grid;gap:10px;max-height:260px;overflow:auto}.session-item{text-align:left;background:#150b08;border:1px solid #422014;border-radius:16px;color:var(--text);display:grid;gap:4px;padding:12px 14px}.session-item:hover{border-color:var(--accent)}.session-item span,.session-item small,.empty-mini{color:var(--muted);font-size:12px}.session-item b{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--accent2);font-size:13px}@media(max-width:760px){.resume-row{grid-template-columns:1fr}}
.hero-title .tagline{margin:0;color:var(--muted);font-size:16px}.hero-side{display:grid;grid-template-columns:minmax(260px,460px) auto;gap:14px;align-items:stretch}.notice-card{display:flex;gap:12px;align-items:flex-start;background:linear-gradient(135deg,#24110b,#160b08);border:1px solid #6b3120;border-radius:20px;padding:16px;box-shadow:0 16px 45px #0004}.notice-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:12px;background:#ff6b3520;border:1px solid #ff6b3545;flex:0 0 34px}.notice-card b{color:var(--accent2);letter-spacing:.08em}.notice-card p{margin:5px 0 0;color:#ffd9c7;font-size:14px;line-height:1.55}.hero-side .status{min-width:150px}@media(max-width:980px){.hero{align-items:stretch}.hero-side{grid-template-columns:1fr}.hero-side .status{min-width:0}}@media(max-width:760px){.hero-side{margin-top:18px}}
.hero-title{width:100%}.hero-title .hero-side{margin-top:18px;max-width:960px}.hero{display:block}.hero-title h1{max-width:720px}
.hero-heading{display:block}.hero-heading h1{max-width:720px}.hero-heading .tagline{margin:0;color:var(--muted);font-size:16px}.hero>.hero-side{margin-top:18px;max-width:960px}.hero-title{width:auto}


/* Final hero layout override: heading first, notice/status below it */
.hero{
  display:flex !important;
  flex-direction:column !important;
  align-items:stretch !important;
  gap:18px !important;
}
.hero-heading{
  display:block !important;
  width:100% !important;
}
.hero-heading h1{
  max-width:none !important;
}
.hero-heading .tagline{
  display:block !important;
  margin:0 !important;
  color:var(--muted) !important;
  font-size:16px !important;
}
.hero > .hero-side{
  display:grid !important;
  grid-template-columns:minmax(260px, 1fr) auto !important;
  gap:14px !important;
  align-items:stretch !important;
  width:100% !important;
  max-width:960px !important;
  margin-top:0 !important;
}
@media(max-width:760px){
  .hero > .hero-side{grid-template-columns:1fr !important;}
}

/* 20260424-2251: header layout must be vertical: title -> subtitle -> announcement -> gateway */
.hero{
  display:block !important;
  margin-bottom:22px !important;
}
.hero-heading{
  display:block !important;
  width:100% !important;
  margin:0 0 18px 0 !important;
}
.hero-heading h1{
  display:block !important;
  margin:8px 0 8px !important;
  max-width:none !important;
}
.hero-heading .tagline{
  display:block !important;
  margin:0 !important;
  max-width:none !important;
}
.hero-below{
  display:flex !important;
  flex-direction:column !important;
  align-items:stretch !important;
  gap:12px !important;
  width:min(760px,100%) !important;
  max-width:100% !important;
}
.hero-below .notice-card,
.hero-below .status{
  width:100% !important;
  min-width:0 !important;
}