:root{
  --bg:#FAFAF7; --card:#FFFFFF; --card2:#F5F4EF;
  --ink:#1C1C1A; --ink2:#5A5954; --ink3:#8C8A82;
  --line:#E6E4DC; --line2:#D6D4CB;
  --brand:#0F6E56; --brand-bg:#E1F5EE; --brand-hover:#0B5744;
  --warn:#854F0B; --warn-bg:#FAEEDA;
  --bad:#A32D2D; --bad-bg:#FCEBEB;
  --blue:#185FA5; --blue-bg:#E6F1FB;
  --radius:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  background:var(--bg);color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a{color:var(--brand)}
[hidden]{display:none !important}

/* topbar */
.topbar{
  position:sticky;top:0;z-index:20;background:rgba(250,250,247,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.topbar-in{max-width:1100px;margin:0 auto;padding:0 20px;height:56px;display:flex;align-items:center;gap:14px}
.logo{display:flex;align-items:center;gap:8px;font-weight:600;letter-spacing:-.01em;font-size:15px;cursor:pointer}
.logo i{width:22px;height:22px;border-radius:6px;background:var(--brand);display:inline-flex;
  align-items:center;justify-content:center;color:#fff;font-size:12px;font-style:normal;font-weight:700}
.spacer{flex:1}
.who{font-size:12.5px;color:var(--ink3)}

/* layout */
.wrap{max-width:1100px;margin:0 auto;padding:28px 20px 80px}
.wrap.narrow{max-width:760px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:6px;justify-content:center;
  padding:8px 14px;border-radius:8px;border:1px solid var(--line2);
  background:var(--card);font-size:13.5px;color:var(--ink);
  transition:.15s;white-space:nowrap;
}
.btn:hover{border-color:var(--ink3)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-hover)}
.btn.ghost{border-color:transparent;color:var(--ink2)}
.btn.ghost:hover{background:var(--card2);color:var(--ink)}
.btn.danger{color:var(--bad);border-color:#EBC7C7}
.btn.danger:hover{background:var(--bad-bg)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.sm{padding:5px 10px;font-size:12.5px;border-radius:6px}

/* auth */
.auth-card{
  max-width:380px;margin:9vh auto 0;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:32px 28px;
}
.auth-card h1{font-size:20px;font-weight:600;margin-bottom:6px}
.auth-card p.sub{color:var(--ink3);font-size:13px;margin-bottom:22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;color:var(--ink2);margin-bottom:5px}
.field input,.field select,.field textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line2);border-radius:8px;
  background:#fff;outline:none;transition:.15s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-bg)}
.field textarea{resize:vertical;line-height:1.7}
.field .hint{font-size:11.5px;color:var(--ink3);margin-top:4px;line-height:1.5}
.auth-switch{text-align:center;font-size:12.5px;color:var(--ink3);margin-top:16px}
.auth-switch a{cursor:pointer;text-decoration:none}

/* project list */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:22px;gap:16px}
.page-head h2{font-size:19px;font-weight:600;letter-spacing:-.01em}
.page-head .sub{color:var(--ink3);font-size:13px;margin-top:4px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.pcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;cursor:pointer;transition:.15s;position:relative;
}
.pcard:hover{border-color:var(--line2);box-shadow:0 2px 12px rgba(28,28,26,.05);transform:translateY(-1px)}
.pcard h3{font-size:15px;font-weight:600;margin-bottom:6px}
.pcard .meta{font-size:12.5px;color:var(--ink3);display:flex;gap:10px;flex-wrap:wrap}
.pcard .del{position:absolute;top:12px;right:12px;color:var(--ink3);font-size:12px;opacity:0;transition:.15s}
.pcard:hover .del{opacity:1}
.pcard .del:hover{color:var(--bad)}
.empty{
  text-align:center;padding:56px 20px;border:1px dashed var(--line2);border-radius:12px;
  color:var(--ink3);font-size:13.5px;background:var(--card);
}

/* project detail */
.proj-head{display:flex;align-items:center;gap:12px;margin-bottom:6px;flex-wrap:wrap}
.proj-head h2{font-size:20px;font-weight:600;letter-spacing:-.01em}
.badge{font-size:11.5px;padding:2px 8px;border-radius:5px;background:var(--brand-bg);color:var(--brand);white-space:nowrap}
.badge.gray{background:var(--card2);color:var(--ink2)}
.proj-sub{color:var(--ink3);font-size:12.5px;margin-bottom:20px}

.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:22px;overflow-x:auto}
.tab{padding:9px 14px;font-size:13.5px;color:var(--ink2);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tab:hover{color:var(--ink)}
.tab.on{color:var(--brand);border-bottom-color:var(--brand);font-weight:500}
.tab .n{font-size:11px;color:var(--ink3);margin-left:4px}

/* cards & sections */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px}
.card h3{font-size:14.5px;font-weight:600;margin-bottom:4px}
.card .desc{font-size:12.5px;color:var(--ink3);margin-bottom:16px;line-height:1.6}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.row4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:6px}

/* persona picker */
.personas{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.persona{
  border:1px solid var(--line2);border-radius:9px;padding:11px 12px;cursor:pointer;transition:.15s;background:#fff;
}
.persona:hover{border-color:var(--ink3)}
.persona.on{border-color:var(--brand);background:var(--brand-bg);box-shadow:0 0 0 2px var(--brand-bg)}
.persona b{display:block;font-size:13px;font-weight:600;margin-bottom:3px}
.persona span{font-size:11.5px;color:var(--ink3);line-height:1.45;display:block}

/* cases */
.facet{margin-bottom:22px}
.facet-head{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.facet-head h4{font-size:13.5px;font-weight:600}
.facet-head .desc{font-size:12px;color:var(--ink3)}
.dot{width:7px;height:7px;border-radius:50%;flex:none}
.dot.normal{background:var(--blue)} .dot.degrade{background:var(--brand)}
.dot.risk{background:var(--warn)} .dot.adversarial{background:var(--bad)}
.case{
  background:var(--card);border:1px solid var(--line);border-radius:9px;padding:14px 16px;margin-bottom:10px;
}
.case-top{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.case-code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11.5px;color:var(--ink3);background:var(--card2);padding:1px 6px;border-radius:4px}
.case-title{font-size:13.5px;font-weight:500}
.case-purpose{font-size:12px;color:var(--ink3);margin-bottom:8px}
.case-hint{
  font-size:12px;color:var(--warn);background:var(--warn-bg);
  border-radius:6px;padding:6px 10px;margin-bottom:9px;line-height:1.6;
}
.case textarea{
  width:100%;border:1px solid var(--line);border-radius:7px;padding:9px 11px;background:#FCFCFA;
  font-size:12.5px;line-height:1.65;resize:vertical;min-height:64px;color:var(--ink2);
}
.case textarea:focus{outline:none;border-color:var(--brand);background:#fff}
.case .crit{font-size:11.5px;color:var(--blue);margin-top:6px}
.saved{font-size:11.5px;color:var(--brand);opacity:0;transition:.2s}
.saved.on{opacity:1}

/* prompt */
.prompt-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.prompt-bar span{font-size:12.5px;color:var(--ink3)}
pre.code{
  background:#1F1F1D;color:#E8E6DF;border-radius:9px;padding:18px 20px;overflow:auto;
  font-size:12.5px;line-height:1.75;font-family:ui-monospace,Menlo,Consolas,monospace;
  white-space:pre-wrap;word-break:break-word;max-height:520px;
}

/* run */
.run-top{display:flex;gap:16px;align-items:stretch;margin-bottom:18px;flex-wrap:wrap}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 20px;min-width:130px;flex:1;
}
.stat .k{font-size:12px;color:var(--ink3);margin-bottom:6px}
.stat .v{font-size:26px;font-weight:600;letter-spacing:-.02em;line-height:1.2}
.stat .v small{font-size:13px;color:var(--ink3);font-weight:400}
.stat.ok .v{color:var(--brand)}
.stat.bad .v{color:var(--bad)}
.progress{height:5px;background:var(--card2);border-radius:3px;overflow:hidden;margin-top:10px}
.progress i{display:block;height:100%;background:var(--brand);transition:width .4s;border-radius:3px}

.dist{margin:6px 0 18px}
.dist-row{display:flex;align-items:center;gap:10px;margin-bottom:7px;font-size:12.5px}
.dist-row .name{width:110px;color:var(--ink2);flex:none}
.dist-row .bar{flex:1;height:14px;background:var(--card2);border-radius:4px;overflow:hidden}
.dist-row .bar i{display:block;height:100%;background:var(--bad);opacity:.75;border-radius:4px}
.dist-row .num{width:46px;text-align:right;color:var(--ink3);flex:none;font-variant-numeric:tabular-nums}

.result{background:var(--card);border:1px solid var(--line);border-radius:9px;margin-bottom:10px;overflow:hidden}
.result-head{padding:12px 16px;display:flex;align-items:center;gap:10px;cursor:pointer}
.result-head:hover{background:#FCFCFA}
.result-head .code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:11.5px;color:var(--ink3);
  background:var(--card2);padding:2px 7px;border-radius:4px;flex:none}
.result-head .t{font-size:13px;font-weight:500;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pill{font-size:11px;padding:2px 8px;border-radius:20px;white-space:nowrap;flex:none}
.pill.pass{background:var(--brand-bg);color:var(--brand)}
.pill.fail{background:var(--bad-bg);color:var(--bad)}
.pill.pend{background:var(--warn-bg);color:var(--warn)}
.result-body{padding:0 16px 16px;border-top:1px solid var(--line);display:none}
.result.open .result-body{display:block}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0}
.chip{font-size:11.5px;padding:3px 9px;border-radius:6px;border:1px solid transparent;display:inline-flex;gap:4px;align-items:center}
.chip.ok{background:var(--brand-bg);color:var(--brand)}
.chip.ng{background:var(--bad-bg);color:var(--bad)}
.chip.pk{background:var(--card2);color:var(--ink3)}
.chip b{font-weight:600}
.out{
  background:#FCFCFA;border:1px solid var(--line);border-radius:8px;padding:14px 16px;
  font-size:13px;line-height:1.8;white-space:pre-wrap;color:#33322F;max-height:420px;overflow:auto;
}
.reason{font-size:12px;color:var(--ink3);margin-top:8px;line-height:1.7}
.reason .k{color:var(--bad);font-weight:500}
.ftype{font-size:11.5px;color:var(--warn);background:var(--warn-bg);padding:2px 8px;border-radius:5px}

/* modal */
.modal{position:fixed;inset:0;background:rgba(28,28,26,.32);display:flex;align-items:center;justify-content:center;
  z-index:50;padding:20px;backdrop-filter:blur(2px)}
.modal-card{background:var(--card);border-radius:14px;max-width:520px;width:100%;padding:26px 26px 22px;
  max-height:88vh;overflow:auto;box-shadow:0 12px 40px rgba(0,0,0,.14)}
.modal-card h3{font-size:16px;font-weight:600;margin-bottom:6px}
.modal-card .desc{font-size:12.5px;color:var(--ink3);margin-bottom:18px;line-height:1.6}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}

/* toast */
#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(20px);z-index:99;
  background:#1C1C1A;color:#F5F4EF;padding:10px 18px;border-radius:8px;font-size:13px;
  opacity:0;pointer-events:none;transition:.22s;max-width:80vw}
#toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.err{background:var(--bad)}

@media(max-width:720px){
  .row2,.row3,.row4{grid-template-columns:1fr}
  .wrap{padding:20px 14px 60px}
  .page-head{flex-direction:column;align-items:flex-start}
}