:root{
  --bg:#f4f7fc;
  --panel:#ffffff;
  --ink:#0d1830;
  --ink-2:#46556e;
  --ink-3:#8794aa;
  --line:#e4eaf4;
  --line-2:#eef2f8;
  --blue:#1f5eff;
  --blue-2:#4d82ff;
  --blue-soft:#eaf1ff;
  --teal:#0d9488;
  --teal-soft:#e5f8f5;
  --violet:#7c3aed;
  --violet-soft:#f2ecff;
  --amber:#c27803;
  --amber-soft:#fdf4e3;
  --red:#dc2b2b;
  --red-soft:#fdeeee;
  --green:#0e9f6e;
  --green-soft:#e8f8f1;
  --shadow:0 1px 2px rgba(13,24,48,.04),0 10px 30px rgba(13,24,48,.06);
  --shadow-lg:0 18px 50px rgba(13,24,48,.12);
  --radius:16px;
  --radius-sm:10px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  color:var(--ink);font-size:14px;line-height:1.55;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:
    radial-gradient(1000px 460px at 4% -10%, #e6efff 0%, rgba(230,239,255,0) 62%),
    radial-gradient(900px 420px at 96% -14%, #e4faf5 0%, rgba(228,250,245,0) 58%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
button,input,select,textarea{font-family:inherit}
.app{max-width:1400px;margin:0 auto;padding:0 22px 64px}

/* ---------- top bar ---------- */
.topbar{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  padding:13px 0 14px;margin-bottom:8px;
  background:linear-gradient(180deg,rgba(244,247,252,.96) 0%,rgba(244,247,252,.86) 72%,rgba(244,247,252,0) 100%);
  backdrop-filter:blur(10px);
}
.brand{display:flex;align-items:center;gap:13px;min-width:280px}
.mark{
  width:46px;height:46px;border-radius:13px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1f5eff,#0d9488);
  color:#fff;font-size:24px;font-weight:700;
  box-shadow:0 8px 22px rgba(31,94,255,.26);
}
.brand-text h1{margin:0;font-size:18px;font-weight:680;letter-spacing:.2px}
.brand-text p{margin:2px 0 0;font-size:11.5px;color:var(--ink-3);letter-spacing:.15px}
.head-stats{display:flex;gap:20px;margin-left:auto;flex-wrap:wrap}
.head-stat{display:flex;flex-direction:column;gap:1px;min-width:92px}
.head-stat span{font-size:10.5px;color:var(--ink-3);letter-spacing:.2px}
.head-stat b{font-size:14px;font-weight:650;color:var(--ink);white-space:nowrap}
.head-stat b.pos{color:var(--green)}
.head-stat b.neg{color:var(--red)}
.top-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.save-badge{font-size:11px;color:var(--green);background:var(--green-soft);padding:4px 9px;border-radius:999px;white-space:nowrap}

/* ---------- buttons ---------- */
.btn{
  border:1px solid transparent;border-radius:9px;padding:8px 14px;
  font-size:13px;font-weight:560;cursor:pointer;transition:.16s;white-space:nowrap;
  color:var(--ink);background:transparent;
}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--blue);color:#fff;box-shadow:0 5px 14px rgba(31,94,255,.22)}
.btn.primary:hover{background:#174dd6}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn.ghost:hover{border-color:#c8d4e7;color:var(--ink)}
.btn.subtle{background:transparent;color:var(--ink-3)}
.btn.subtle:hover{color:var(--red)}
.btn.tiny{padding:5px 10px;font-size:12px;border-radius:8px}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* ---------- tabs ---------- */
.tabs{
  display:flex;gap:5px;background:#e7edf8;padding:5px;border-radius:12px;
  width:max-content;max-width:100%;margin:0 0 20px;overflow:auto;
}
.tab{
  border:0;background:transparent;padding:9px 20px;border-radius:9px;
  font-size:13.5px;font-weight:560;color:var(--ink-2);cursor:pointer;transition:.16s;white-space:nowrap;
}
.tab:hover{color:var(--ink)}
.tab.active{background:#fff;color:var(--blue);box-shadow:0 1px 4px rgba(13,24,48,.12)}

/* ---------- layout ---------- */
.view{display:none}
.view.active{display:block}
.split{display:grid;grid-template-columns:1.08fr .92fr;gap:16px;margin-bottom:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;margin-bottom:16px;
}
.split .card,.grid-2 .card{margin-bottom:0}
.card-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:15px 18px;border-bottom:1px solid var(--line-2);
}
.head-left{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;min-width:0}
.card-head h2{margin:0;font-size:14.5px;font-weight:660;letter-spacing:.1px}
.hint{font-size:11.5px;color:var(--ink-3)}
.card-body{padding:16px 18px}
.note{font-size:11.8px;color:var(--ink-3);line-height:1.65;margin-top:10px}
.muted{color:var(--ink-3)}

/* ---------- forms ---------- */
.field-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:8px 0;border-bottom:1px dashed var(--line-2);
}
.field-row:last-of-type{border-bottom:0}
.field-row>label{font-size:12.8px;color:var(--ink-2);flex:0 0 auto}
.field-row>input,.field-row>select,.field-row>textarea{
  width:190px;max-width:100%;border:1px solid var(--line);border-radius:8px;
  padding:7px 10px;font-size:13px;color:var(--ink);background:#fbfcfe;
  text-align:right;transition:.15s;outline:0;
}
.field-row>select{text-align:left;background:#fff}
.field-row>input:focus,.field-row>select:focus{
  border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(31,94,255,.1);
}
.input-suffix{display:flex;align-items:center;gap:6px;width:190px;max-width:100%}
.input-suffix input{
  width:100%;min-width:0;border:1px solid var(--line);border-radius:8px;
  padding:7px 10px;font-size:13px;color:var(--ink);background:#fbfcfe;
  text-align:right;outline:0;transition:.15s;
}
.input-suffix input:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(31,94,255,.1)}
.input-suffix span{font-size:11.5px;color:var(--ink-3);flex:0 0 auto}

/* fixed cost rows */
.fixed-row{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px dashed var(--line-2)}
.fixed-row:last-child{border-bottom:0}
.fixed-row input.fname{
  flex:1;min-width:0;border:1px solid var(--line);border-radius:8px;
  padding:7px 10px;font-size:13px;background:#fbfcfe;color:var(--ink);outline:0;
}
.fixed-row .input-suffix{width:140px}
.fixed-row input:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(31,94,255,.1)}
.icon-btn{
  border:1px solid var(--line);background:#fff;border-radius:7px;width:28px;height:28px;
  line-height:1;font-size:15px;color:var(--ink-3);cursor:pointer;flex:0 0 auto;transition:.15s;
}
.icon-btn:hover{border-color:#f3bcbc;color:var(--red);background:var(--red-soft)}
.total-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:10px;padding:11px 13px;border-radius:10px;background:#f7f9fe;
  font-size:13px;color:var(--ink-2);
}
.total-row b{font-size:16px;color:var(--ink);font-weight:700}

/* ---------- line table ---------- */
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:10px 10px;text-align:right;border-bottom:1px solid var(--line-2);white-space:nowrap}
th{font-size:11.5px;color:var(--ink-3);font-weight:560;background:#fafcff;position:sticky;top:0;z-index:2}
th span{font-weight:400;color:#a3aec1;font-size:10.5px}
th:first-child,td:first-child{text-align:left}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#f9fbff}
.line-table th,.line-table td{padding:8px 9px}
.line-table .col-name{min-width:210px}
.line-table .col-act{width:40px}
.line-table tfoot td{background:#f7f9fe;font-weight:650;border-top:1px solid var(--line);border-bottom:0}
.line-table input{
  width:100%;min-width:86px;border:1px solid transparent;border-radius:7px;
  padding:7px 8px;font-size:13px;background:transparent;color:var(--ink);
  text-align:right;outline:0;transition:.15s;
}
.line-table input.name-input{text-align:left;min-width:180px}
.line-table input:hover{background:#f7f9fe;border-color:var(--line-2)}
.line-table input:focus{background:#fff;border-color:var(--blue);box-shadow:0 0 0 3px rgba(31,94,255,.1)}
.line-table input.invalid{border-color:#f0b4b4;background:#fff7f7}
.line-table .num{font-variant-numeric:tabular-nums;color:var(--ink-2)}
.line-table .contrib{font-weight:650;color:var(--ink)}
.tiny-unit{font-size:10px;color:var(--ink-3);margin-left:1px}
.table-note{font-size:11.7px;color:var(--ink-3);margin-top:10px;line-height:1.65}
.warn-list{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
.warn-chip{
  font-size:11.8px;padding:5px 10px;border-radius:999px;line-height:1.4;
  background:var(--amber-soft);color:#8a5a04;border:1px solid #f4e2bd;
}
.warn-chip.bad{background:var(--red-soft);color:#a51f1f;border-color:#f6caca}
.warn-chip.ok{background:var(--green-soft);color:#0b7a55;border-color:#c8ecdc}

/* ---------- chain ---------- */
.chain-card{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0b1730 0%,#112a4d 55%,#0d3341 100%);
  color:#eaf0ff;border-radius:var(--radius);padding:20px 22px 18px;margin-bottom:16px;
  box-shadow:0 18px 44px rgba(13,31,63,.28);
}
.chain-card::after{
  content:"";position:absolute;right:-70px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(77,130,255,.35),rgba(77,130,255,0) 68%);pointer-events:none;
}
.chain-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;position:relative;z-index:1}
.chain-head .t{font-size:13px;font-weight:650;letter-spacing:.3px}
.chain-note{font-size:11px;color:#93a9c8}
.chain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;z-index:1}
.chain-step{padding:2px 18px 2px 0;position:relative}
.chain-step+.chain-step{padding-left:20px;border-left:1px solid rgba(148,173,210,.18)}
.step-no{display:block;font-size:10.5px;color:#8ea6c6;letter-spacing:.3px;margin-bottom:5px}
.step-val{font-size:23px;font-weight:700;letter-spacing:-.5px;white-space:nowrap}
.step-val small{font-size:11px;font-weight:500;color:#a9bcd8;margin-left:3px}
.step-formula{font-size:10.8px;color:#8fa6c5;margin-top:5px;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chain-foot{
  position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin-top:16px;padding-top:12px;border-top:1px solid rgba(148,173,210,.16);flex-wrap:wrap;
}
.chain-actions{display:flex;gap:8px}
.chain-card .btn.ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);color:#eaf0ff}
.chain-card .btn.ghost:hover{background:rgba(255,255,255,.16)}
.chain-card .btn.primary{background:#4d82ff;box-shadow:0 6px 18px rgba(77,130,255,.35)}
.verdict{font-size:12.5px;line-height:1.6;color:#d5e2f5;max-width:880px}
.verdict b{color:#fff}
.verdict .ok{color:#7ee2be;font-weight:650}
.verdict .bad{color:#ff9d9d;font-weight:650}
.verdict .warn{color:#ffd28a;font-weight:650}

/* ---------- kpi ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:16px}
.kpi{
  position:relative;background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:14px 15px 13px;box-shadow:var(--shadow);overflow:hidden;
}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--line)}
.kpi.tone-blue::before{background:var(--blue)}
.kpi.tone-teal::before{background:var(--teal)}
.kpi.tone-violet::before{background:var(--violet)}
.kpi.tone-green::before{background:var(--green)}
.kpi.tone-red::before{background:var(--red)}
.kpi.tone-amber::before{background:var(--amber)}
.kpi-label{font-size:11px;color:var(--ink-3);white-space:nowrap}
.kpi-value{font-size:21px;font-weight:720;letter-spacing:-.5px;margin-top:6px;white-space:nowrap}
.kpi-value small{font-size:11px;font-weight:500;color:var(--ink-3);margin-left:2px;letter-spacing:0}
.kpi-sub{font-size:10.8px;color:var(--ink-3);margin-top:5px;line-height:1.45;min-height:16px}
.kpi.tone-green .kpi-value{color:var(--green)}
.kpi.tone-red .kpi-value{color:var(--red)}

/* ---------- result head ---------- */
.result-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin:2px 0 16px;
}
.result-head h2{margin:0;font-size:18px;font-weight:700;letter-spacing:-.2px}
.result-head .sub{margin:4px 0 0;font-size:12px;color:var(--ink-3)}
.result-head .actions{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- charts ---------- */
.chart-wrap{padding:12px 12px 0;position:relative}
.chart-wrap canvas{display:block;width:100%}
.chart-empty{height:260px;display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:12.5px}
.legend{
  display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;
  padding:2px 14px 14px;font-size:11.3px;color:var(--ink-2);
}
.legend span{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.legend i{display:inline-block;width:13px;height:3px;border-radius:2px;background:var(--blue)}
.legend i.dash{background:repeating-linear-gradient(90deg,#94a3b8 0 3px,transparent 3px 6px)}
.legend i.dot{width:7px;height:7px;border-radius:50%}

/* ---------- analysis table ---------- */
.analysis-table th,.analysis-table td{padding:9px 8px;font-size:12.3px}
.analysis-table td.name{font-weight:600;max-width:210px;overflow:hidden;text-overflow:ellipsis}
.analysis-table .share-cell{display:flex;align-items:center;gap:7px;justify-content:flex-end}
.mini-bar{width:56px;height:5px;border-radius:99px;background:#edf2fa;overflow:hidden;flex:0 0 auto}
.mini-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#4d82ff,#0d9488)}
.tag{display:inline-block;font-size:10.8px;padding:2px 7px;border-radius:999px;font-weight:600;white-space:nowrap}
.tag.ok{background:var(--green-soft);color:#0b7a55}
.tag.warn{background:var(--amber-soft);color:#8a5a04}
.tag.bad{background:var(--red-soft);color:#a51f1f}
.tag.neutral{background:#f1f5fb;color:var(--ink-2)}

/* ---------- insights ---------- */
.insight-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.insight{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.insight .card-head{padding:14px 17px}
.insight .card-body{padding:14px 17px}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.compare-item{background:#f7f9fe;border:1px solid var(--line-2);border-radius:10px;padding:10px 12px}
.compare-item .lbl{font-size:10.8px;color:var(--ink-3)}
.compare-item .val{font-size:22px;font-weight:720;letter-spacing:-.4px;margin-top:3px}
.compare-item.hl .val{color:var(--blue)}
.compare-item .diff{font-size:10.8px;color:var(--ink-3);margin-top:2px}
.insight p{margin:0;font-size:12.3px;line-height:1.7;color:var(--ink-2)}
.insight p+p{margin-top:7px}
.boundary{display:flex;flex-direction:column}
.boundary-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px dashed var(--line-2);font-size:12.3px}
.boundary-row:last-child{border-bottom:0}
.boundary-row .k{color:var(--ink-2)}
.boundary-row .v{font-weight:680;color:var(--ink);white-space:nowrap}
.boundary-row .v.blue{color:var(--blue)}
.boundary-row .v.green{color:var(--green)}
.boundary-row .v.red{color:var(--red)}

/* ---------- ladder / report ---------- */
.ladder-table th,.ladder-table td{padding:9px 10px;font-size:12.5px}
.ladder-table tr.target-row td{background:#eef4ff;font-weight:650}
.milestone-table th,.milestone-table td{padding:9px 10px;font-size:12.5px}
.milestone-table tr.target-row td{background:#eef4ff;font-weight:650}
.forecast-table th,.forecast-table td{padding:8px 10px;font-size:12.3px}
.forecast-table tr.target-row td{background:#eef4ff;font-weight:650}
.forecast-table tbody tr:hover{background:#f9fbff}
.pos-text{color:var(--green)}
.neg-text{color:var(--red)}
.fc-detail{max-height:460px}
.fc-controls{display:flex;align-items:center;gap:9px}
.fc-controls label{font-size:12px;color:var(--ink-2)}
.fc-controls select{
  border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:12.5px;
  background:#fbfcfe;color:var(--ink);outline:0;cursor:pointer;
}
.fc-controls select:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(31,94,255,.1)}
.fc-settings{display:flex;gap:24px;align-items:flex-start;flex-wrap:wrap}
.fc-setting-block{display:flex;flex-direction:column;gap:7px}
.fc-setting-block.grow{flex:1;min-width:280px}
.fc-setting-label{font-size:11.8px;color:var(--ink-3);display:flex;align-items:center;justify-content:space-between;gap:10px}
.fc-settings-actions{display:flex;gap:8px;margin-top:13px;flex-wrap:wrap}
.profit-levels{display:flex;flex-direction:column;gap:7px}
.profit-level-row{display:flex;align-items:center;gap:7px}
.profit-level-row .pl-prefix,.profit-level-row .pl-unit{font-size:11.8px;color:var(--ink-3);white-space:nowrap}
.profit-level-row input{
  width:112px;border:1px solid var(--line);border-radius:8px;padding:6px 9px;
  font-size:13px;text-align:right;background:#fbfcfe;color:var(--ink);outline:0;
}
.profit-level-row input:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(31,94,255,.1)}
.report-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.report-grid .card{margin-bottom:0}
.report-grid .card.full{grid-column:1 / -1}
.concl{margin:0;padding:0;list-style:none}
.concl li{position:relative;padding:8px 0 8px 19px;border-bottom:1px dashed var(--line-2);font-size:12.6px;line-height:1.65}
.concl li:last-child{border-bottom:0}
.concl li::before{content:"";position:absolute;left:4px;top:15px;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.risk{padding:9px 0;border-bottom:1px dashed var(--line-2)}
.risk:last-child{border-bottom:0}
.risk-head{display:flex;align-items:center;gap:8px;margin-bottom:3px}
.risk-title{font-weight:650;font-size:12.6px}
.risk-text{font-size:12.1px;color:var(--ink-2);line-height:1.6}
.lv{font-size:10px;font-weight:700;padding:2px 7px;border-radius:5px;color:#fff;flex:0 0 auto}
.lv.high{background:var(--red)}
.lv.mid{background:var(--amber)}
.lv.low{background:var(--green)}
.advice{margin:0;padding-left:17px;font-size:12.5px;line-height:1.8;color:var(--ink-2)}
.advice li::marker{color:var(--blue)}

/* ---------- AI ---------- */
.ai-card{border-color:#d7e2fb;background:linear-gradient(180deg,#fbfdff,#f7faff)}
.ai-head{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.ai-tag{font-size:10px;font-weight:700;color:#fff;background:linear-gradient(135deg,#1f5eff,#0d9488);padding:3px 8px;border-radius:5px;letter-spacing:.5px}
.ai-source{font-size:11px;color:var(--ink-3)}
.ai-actions{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.ai-body{font-size:12.7px;line-height:1.8;color:var(--ink-2)}
.ai-body .ai-sec{margin-bottom:10px}
.ai-body .ai-sec:last-child{margin-bottom:0}
.ai-body h4{margin:0 0 4px;font-size:12.2px;color:var(--ink);font-weight:700}
.ai-body ol{margin:0;padding-left:18px}
.ai-body li{margin:2px 0}
.ai-raw{white-space:normal}
.ai-loading{font-size:12.3px;color:var(--ink-3)}
.ai-empty{font-size:12.3px;color:var(--ink-3);background:#fff;border:1px dashed var(--line);border-radius:10px;padding:14px}

/* ---------- scenario ---------- */
.slider-card{margin-bottom:16px}
.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.slider-item{background:#fbfcff;border:1px solid var(--line-2);border-radius:11px;padding:11px 12px}
.slider-head{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;color:var(--ink-2);margin-bottom:8px}
.slider-head b{color:var(--blue);font-size:12.5px;font-variant-numeric:tabular-nums}
.slider-item input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:99px;
  background:linear-gradient(90deg,#c9d9ff,#bfe9e2);outline:0;margin:4px 0;
}
.slider-item input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:#fff;
  border:3px solid var(--blue);box-shadow:0 2px 6px rgba(13,24,48,.2);cursor:pointer;
}
.slider-item input[type=range]::-moz-range-thumb{
  width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--blue);cursor:pointer;
}
.slider-scale{display:flex;justify-content:space-between;font-size:10px;color:var(--ink-3);margin-top:2px}
.delta-strip{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;background:#f7f9fe;border:1px solid var(--line-2);
  border-radius:11px;padding:11px 14px;margin-top:14px;font-size:12px;color:var(--ink-2);
}
.delta-strip b{font-weight:700;margin-left:4px}
.delta-strip b.up{color:var(--green)}
.delta-strip b.down{color:var(--red)}
.sc-note{font-size:12px;line-height:1.7;color:var(--ink-2);margin-top:12px;padding:10px 12px;border-radius:10px;background:var(--blue-soft);border:1px solid #d8e5ff}
.sc-note b{color:var(--blue)}
.preset-table th,.preset-table td{padding:9px 10px;font-size:12.5px}
.sens-table th,.sens-table td{padding:9px 10px;font-size:12.3px}
.bar-cell{display:flex;align-items:center;gap:8px;justify-content:flex-end}
.bar-bg{width:74px;height:6px;border-radius:99px;background:#edf2fa;overflow:hidden}
.bar-bg i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#4d82ff,#7c3aed)}
.levers{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.lever{background:#fbfcff;border:1px solid var(--line-2);border-radius:10px;padding:11px 12px}
.lever .k{font-size:11.5px;color:var(--ink-3)}
.lever .v{font-size:17px;font-weight:700;margin-top:4px;color:var(--ink)}
.lever .v.neg{color:var(--green)}
.lever .d{font-size:10.8px;color:var(--ink-3);margin-top:2px}

/* ---------- history ---------- */
.history-table th,.history-table td{padding:9px 10px;font-size:12.3px}
.snap-actions{display:flex;gap:6px;justify-content:flex-end}
.empty{
  text-align:center;padding:46px 20px;color:var(--ink-3);font-size:13px;
  background:#fbfcff;border:1px dashed var(--line);border-radius:12px;
}
.empty b{display:block;color:var(--ink-2);font-size:14px;margin-bottom:4px}

/* ---------- import / NL ---------- */
textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;
  font-size:13px;line-height:1.65;resize:vertical;background:#fbfcfe;color:var(--ink);outline:0;
}
textarea:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(31,94,255,.1)}
.nl-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.nl-log{margin-top:10px;font-size:12.2px;color:var(--ink-2);min-height:20px}
.nl-line{padding:5px 0;border-bottom:1px dashed var(--line-2);line-height:1.6}
.nl-line:last-child{border-bottom:0}
.nl-line.ok{color:#0b7a55}
.nl-line.err{color:#a51f1f}
.dropzone{
  border:1.5px dashed #c8d5e8;border-radius:12px;padding:24px 16px;text-align:center;
  background:#fbfcff;cursor:pointer;transition:.16s;
}
.dropzone:hover,.dropzone.over{border-color:var(--blue);background:var(--blue-soft)}
.drop-title{font-size:13.5px;font-weight:650}
.drop-sub{font-size:11.5px;color:var(--ink-3);margin-top:5px;line-height:1.6}
.import-actions{display:flex;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap}
.import-panel{margin-top:12px}
.import-preview{overflow:auto;border:1px solid var(--line);border-radius:10px;max-height:280px}
.import-preview table{font-size:12px}
.import-preview th{position:sticky;top:0}
.import-msg{font-size:12px;line-height:1.6;padding:9px 11px;border-radius:9px;margin-top:10px}
.import-msg.ok{background:var(--green-soft);color:#0b7a55;border:1px solid #c8ecdc}
.import-msg.err{background:var(--red-soft);color:#a51f1f;border:1px solid #f6caca}
.import-msg.warn{background:var(--amber-soft);color:#8a5a04;border:1px solid #f4e2bd}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:30px;transform:translate(-50%,14px);
  background:#0d1830;color:#fff;padding:10px 19px;border-radius:10px;font-size:12.5px;
  opacity:0;pointer-events:none;transition:.22s;z-index:99;box-shadow:var(--shadow-lg);
  max-width:calc(100vw - 32px);text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- responsive ---------- */
@media (max-width:1240px){
  .kpi-grid{grid-template-columns:repeat(3,1fr)}
  .head-stats{order:3;margin-left:0;width:100%;justify-content:flex-start;gap:26px}
  .topbar{padding-bottom:6px}
}
@media (max-width:1000px){
  .split{grid-template-columns:1fr}
  .grid-2,.insight-grid,.report-grid{grid-template-columns:1fr}
  .chain-grid{grid-template-columns:1fr 1fr;gap:12px 0}
  .chain-step:nth-child(3){border-left:0;padding-left:0}
  .chain-step:nth-child(3),.chain-step:nth-child(4){margin-top:8px}
  .scenario-grid{grid-template-columns:1fr 1fr}
  .report-grid .card.full{grid-column:auto}
}
@media (max-width:720px){
  .app{padding:0 13px 48px}
  .brand{min-width:0}
  .brand-text h1{font-size:16px}
  .brand-text p{display:none}
  .mark{width:40px;height:40px;font-size:21px;border-radius:11px}
  .top-actions{width:100%}
  .head-stats{gap:14px}
  .head-stat b{font-size:13px}
  .tabs{width:100%}
  .tab{padding:8px 13px;font-size:12.5px;flex:1}
  .kpi-grid{grid-template-columns:1fr 1fr;gap:9px}
  .kpi{padding:12px 12px 11px}
  .kpi-value{font-size:19px}
  .chain-grid{grid-template-columns:1fr}
  .chain-step{padding-left:0!important;border-left:0!important;padding-bottom:10px;border-bottom:1px solid rgba(148,173,210,.14)}
  .chain-step:last-child{border-bottom:0;padding-bottom:0}
  .chain-step+.chain-step{padding-top:10px;border-top:0}
  .step-val{font-size:20px}
  .step-formula{white-space:normal}
  .scenario-grid,.levers,.compare{grid-template-columns:1fr}
  .field-row>input,.field-row>select{width:150px}
  .input-suffix{width:150px}
  .fixed-row .input-suffix{width:110px}
  .line-table .col-name{min-width:170px}
  .result-head{align-items:flex-start}
  .result-head .actions{width:100%}
}

/* ---------- print ---------- */
@media print{
  @page{size:A4;margin:11mm}
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  html,body{background:#fff}
  .topbar,.tabs,.toast,.result-head .actions,.btn,.no-print{display:none!important}
  .app{max-width:none;padding:0}
  .view{display:none!important}
  .view.active{display:block!important}
  .card,.kpi,.insight,.chain-card{box-shadow:none;break-inside:avoid;page-break-inside:avoid}
  .kpi-grid{grid-template-columns:repeat(3,1fr)!important}
  .grid-2,.insight-grid,.report-grid{grid-template-columns:1fr 1fr!important}
  .report-grid .card.full{grid-column:1 / -1!important}
  .result-head{margin-bottom:8px}
  .result-head h2{font-size:16px}
  .chart-wrap{padding:4px 6px 0}
  .chart-wrap canvas{height:250px!important}
  .card-head{padding:10px 13px}
  .card-body{padding:10px 13px}
  th,td{padding:6px 7px}
  .line-table input{border:0;background:transparent}
}