:root{
  --bg:#eef1f6;
  --card:#ffffff;
  --ink:#101828;
  --ink-2:#475467;
  --ink-3:#8a94a6;
  --line:#e3e8ef;
  --brand:#1d4ed8;
  --brand-2:#3b82f6;
  --brand-soft:#eef4ff;
  --ok:#067647;
  --ok-bg:#ecfdf3;
  --warn:#b54708;
  --warn-bg:#fffaeb;
  --bad:#b42318;
  --bad-bg:#fef3f2;
  --radius:14px;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 8px 24px -12px rgba(16,24,40,.18);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--ink);
  font:15px/1.55 system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-text-size-adjust:100%;
}
.wrap{max-width:1180px;margin:0 auto;padding:0 14px 90px}

/* ---------- header ---------- */
header{
  background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 55%,#1d4ed8 100%);
  color:#fff;padding:18px 0 22px;margin-bottom:18px;
  box-shadow:0 10px 30px -18px rgba(15,23,42,.8);
}
header .wrap{padding-bottom:0}
.brand{display:flex;align-items:center;gap:12px}
.logo{
  width:42px;height:42px;border-radius:11px;flex:0 0 auto;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  display:grid;place-items:center;font-weight:700;font-size:15px;letter-spacing:.5px;
}
h1{font-size:19px;margin:0;font-weight:650;letter-spacing:.2px}
.sub{font-size:12.5px;opacity:.72;margin-top:2px}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:16px;align-items:start}
@media(max-width:920px){.layout{grid-template-columns:1fr}}
.col{display:flex;flex-direction:column;gap:14px;min-width:0}

/* ---------- card ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
}
.card > .hd{
  display:flex;align-items:center;gap:9px;justify-content:space-between;
  padding:13px 15px;border-bottom:1px solid var(--line);background:#fcfdff;
}
.card > .hd .t{font-weight:650;font-size:14.5px;display:flex;align-items:center;gap:8px}
.card > .bd{padding:15px}
.step{
  width:21px;height:21px;border-radius:7px;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;display:grid;place-items:center;flex:0 0 auto;
}
.hint{font-size:12px;color:var(--ink-3);font-weight:400}

/* ---------- fields ---------- */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
@media(max-width:560px){.grid3{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field label{font-size:12px;color:var(--ink-2);font-weight:600;letter-spacing:.2px}
.field label .req{color:var(--bad)}
input,select,button{font:inherit;color:inherit}
input[type=text],input[type=number],select{
  width:100%;height:42px;padding:0 11px;border:1px solid #d0d7e2;border-radius:10px;
  background:#fff;outline:none;transition:border-color .15s,box-shadow .15s;
}
input[type=number]{font-variant-numeric:tabular-nums}
input:focus,select:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(59,130,246,.14)}
input::placeholder{color:#aeb7c5}
.inline{display:flex;gap:8px;align-items:flex-end}
.inline .field{flex:1}

/* ---------- mode cards ---------- */
.modes{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:480px){.modes{grid-template-columns:1fr}}
.mode{
  position:relative;border:1.5px solid var(--line);border-radius:12px;padding:12px 13px;
  cursor:pointer;background:#fff;transition:.15s;user-select:none;
}
.mode:hover{border-color:#c3d3f5;background:#fbfdff}
.mode .mt{font-weight:650;font-size:13.5px;display:flex;align-items:center;gap:7px}
.mode .md{font-size:12px;color:var(--ink-3);margin-top:4px;line-height:1.45}
.mode .dot{width:15px;height:15px;border-radius:50%;border:2px solid #cbd5e1;flex:0 0 auto}
.mode.on{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 3px rgba(29,78,216,.09)}
.mode.on .dot{border-color:var(--brand);background:radial-gradient(circle,#1d4ed8 0 55%,#fff 56%)}
input[type=radio]{position:absolute;opacity:0;pointer-events:none}

/* ---------- buttons ---------- */
button{border:none;background:none;cursor:pointer;border-radius:10px}
.btn{
  height:44px;padding:0 18px;background:var(--brand);color:#fff;font-weight:650;
  font-size:15px;display:inline-flex;align-items:center;justify-content:center;gap:7px;
  transition:.15s;box-shadow:0 6px 16px -8px rgba(29,78,216,.8);
}
.btn:hover{background:#1a43b8}
.btn:active{transform:translateY(1px)}
.btn.block{width:100%}
.btn.ghost{background:#fff;color:var(--ink-2);border:1px solid var(--line);box-shadow:none;font-weight:600;height:38px;font-size:13.5px;padding:0 13px}
.btn.ghost:hover{background:#f8fafc;border-color:#cfd8e6;color:var(--ink)}
.btn.sm{height:32px;font-size:12.5px;padding:0 11px}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* ---------- dynamic rows ---------- */
.row{
  border:1px solid var(--line);border-radius:12px;padding:11px;margin-bottom:10px;
  background:#fcfdff;
}
.row .rh{display:flex;align-items:center;gap:8px;margin-bottom:9px}
.row .idx{
  width:20px;height:20px;border-radius:6px;background:#eef2f7;color:var(--ink-3);
  font-size:11.5px;font-weight:700;display:grid;place-items:center;flex:0 0 auto;
}
.row .del{
  margin-left:auto;width:28px;height:28px;border-radius:8px;color:#98a2b3;
  display:grid;place-items:center;font-size:16px;line-height:1;
}
.row .del:hover{background:var(--bad-bg);color:var(--bad)}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:2px}
.chip{
  border:1px dashed #cbd5e1;color:var(--ink-2);background:#fff;font-size:12.5px;
  padding:5px 10px;border-radius:999px;
}
.chip:hover{border-color:var(--brand-2);color:var(--brand);background:var(--brand-soft)}

/* ---------- results ---------- */
.placeholder{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  padding:44px 20px;color:var(--ink-3);text-align:center;font-size:13px;
}
.placeholder .ico{font-size:30px;opacity:.55}
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:420px){.kpis{grid-template-columns:1fr}}
.kpi{
  border-radius:12px;padding:13px 14px;border:1px solid #dbe4f5;background:linear-gradient(180deg,#f7faff,#fff);
}
.kpi.alt{border-color:#d8e7dd;background:linear-gradient(180deg,#f6fdf8,#fff)}
.kpi .k{font-size:12px;color:var(--ink-2);font-weight:600;display:flex;gap:5px;align-items:center}
.kpi .v{
  font-size:26px;font-weight:700;letter-spacing:-.5px;margin-top:4px;
  font-variant-numeric:tabular-nums;color:#0b2a6b;
}
.kpi.alt .v{color:#04543a}
.kpi .v small{font-size:13px;font-weight:600;opacity:.6;margin-left:3px;letter-spacing:0}
.kpi .s{font-size:11.5px;color:var(--ink-3);margin-top:3px}

.flow{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:12px 0 0;font-size:12.5px}
.flow .st{
  padding:5px 9px;border-radius:8px;background:#f1f5f9;color:var(--ink-2);font-weight:600;
  font-variant-numeric:tabular-nums;
}
.flow .ar{color:#b6c0cf}

.steps{margin:0;padding-left:0;list-style:none;counter-reset:s}
.steps li{
  position:relative;padding:8px 0 8px 28px;font-size:13.5px;border-bottom:1px dashed #eef1f6;
  counter-increment:s;
}
.steps li:last-child{border-bottom:none}
.steps li::before{
  content:counter(s);position:absolute;left:0;top:7px;width:19px;height:19px;border-radius:6px;
  background:var(--brand);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center;
}

table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:9px 8px;text-align:right;border-bottom:1px solid #eef1f6;font-variant-numeric:tabular-nums}
th{font-size:11.5px;color:var(--ink-3);font-weight:600;text-align:right;background:#fbfcfe;position:sticky;top:0}
th:first-child,td:first-child{text-align:left;font-variant-numeric:normal}
tr:last-child td{border-bottom:none}
.pill{
  display:inline-block;padding:2px 8px;border-radius:999px;font-size:11.5px;font-weight:650;
  white-space:nowrap;
}
.pill.ok{background:var(--ok-bg);color:var(--ok)}
.pill.low{background:var(--bad-bg);color:var(--bad)}
.pill.high{background:var(--warn-bg);color:var(--warn)}
td.dim{color:var(--ink-3)}
.tbl-scroll{overflow:auto;max-height:340px;border:1px solid var(--line);border-radius:12px}

.alert{
  border-radius:11px;padding:11px 13px;font-size:13px;margin-bottom:9px;line-height:1.5;
}
.alert:last-child{margin-bottom:0}
.alert.warn{background:var(--warn-bg);color:#7a3503;border:1px solid #fedf89}
.alert.err{background:var(--bad-bg);color:var(--bad);border:1px solid #fecdca;font-weight:600}
.alert.info{background:#f4f8ff;color:#1e3a8a;border:1px solid #dbe6fb}
.alert b{font-weight:700}

details{border-top:1px solid var(--line);padding:11px 15px;background:#fcfdff}
details summary{
  cursor:pointer;font-size:13px;font-weight:600;color:var(--ink-2);list-style:none;
  display:flex;align-items:center;gap:6px;
}
details summary::-webkit-details-marker{display:none}
details summary::before{content:"▸";color:var(--ink-3);transition:.15s}
details[open] summary::before{transform:rotate(90deg)}
details .fx{
  margin-top:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.5px;line-height:1.85;color:#334155;white-space:pre-wrap;word-break:break-word;
  background:#f8fafc;border:1px solid #eef1f6;border-radius:10px;padding:11px;
}

/* ---------- history ---------- */
.hist{display:flex;flex-direction:column;gap:7px}
.hist .it{
  display:flex;gap:10px;align-items:center;padding:9px 11px;border:1px solid var(--line);
  border-radius:10px;background:#fff;font-size:12.5px;cursor:pointer;
}
.hist .it:hover{border-color:#c3d3f5;background:#fbfdff}
.hist .tm{color:var(--ink-3);font-variant-numeric:tabular-nums;flex:0 0 auto}
.hist .tx{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2)}
.empty{color:var(--ink-3);font-size:13px;text-align:center;padding:18px 0}

.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);z-index:99;
  background:#0f172a;color:#fff;padding:11px 18px;border-radius:11px;font-size:13.5px;
  opacity:0;pointer-events:none;transition:.22s;box-shadow:0 12px 30px -10px rgba(0,0,0,.5);
  max-width:90vw;
}
.toast.on{opacity:1;transform:translate(-50%,0)}
.spin{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.35);
  border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
@media print{
  header,.no-print,.col.left{display:none!important}
  body{background:#fff}
  .layout{display:block}
  .card{box-shadow:none;border:1px solid #ccc;break-inside:avoid}
}