:root{
  /* reference palette */
  --forest:#1B4332; --palm:#2D6A4F; --leaf:#52B788; --mist:#95D5B2;
  --sand:#F8F4EC; --bark:#7B5E3A; --sun:#E9C46A; --coral:#E76F51;
  --sky:#264653; --ink:#1A1A2E; --smoke:#F0EDE8; --white:#FFFFFF;
  --muted:#6B7280;

  /* semantic tokens used throughout the app */
  --bg-0:var(--sand);
  --bg-1:var(--smoke);
  --bg-2:#E8E1D3;
  --card:var(--white);
  --card-soft:#FAFAF8;
  --border:#D4CFCA;
  --border-soft:#E4DFD4;
  --text-0:var(--ink);
  --text-1:#3F4451;
  --text-2:var(--muted);
  --accent-1:var(--palm);
  --accent-2:var(--sun);
  --accent-ink:var(--forest);
  --good:#065F46;    --good-bg:#D1FAE5;
  --warn:#92400E;    --warn-bg:#FEF3C7;
  --bad:#991B1B;     --bad-bg:#FEE2E2;
  --info:var(--sky); --info-bg:#E1E8EA;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 1px 2px rgba(27,67,50,.05), 0 10px 28px rgba(27,67,50,.08);
  --serif:Georgia,'Iowan Old Style','Palatino Linotype',Palatino,'Times New Roman',serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Inter,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,'SF Mono','Cascadia Code','Roboto Mono',Menlo,Consolas,'Courier New',monospace;
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  font-family:var(--sans);
  background:var(--bg-0);
  color:var(--text-0);
  min-height:100vh;
}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:#c7c0b3;border-radius:8px;}
::-webkit-scrollbar-thumb:hover{background:#b0a894;}

/* ---------- Top bar ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 30px;
  background:var(--forest);
  border-bottom:3px solid var(--sun);
  position:sticky;top:0;z-index:50;
}
.brand{display:flex;align-items:center;gap:14px;}
.brand-mark{
  width:42px;height:42px;border-radius:10px;
  background:var(--sun);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;color:var(--forest);font-size:16px;font-family:var(--serif);
}
.brand-text h1{margin:0;font-size:20px;font-weight:900;letter-spacing:-.2px;font-family:var(--serif);color:#fff;}
.brand-text span{font-size:11px;color:var(--mist);letter-spacing:1.5px;text-transform:uppercase;}
.topbar-actions{display:flex;gap:10px;align-items:center;}
.pill{
  font-size:11.5px;color:var(--mist);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  padding:7px 13px;border-radius:999px;
  display:flex;align-items:center;gap:7px;
  font-family:var(--mono);
}
.dot{width:6px;height:6px;border-radius:50%;background:var(--leaf);}
.btn{
  border:1px solid var(--border);
  background:var(--card);
  color:var(--text-0);
  padding:9px 16px;
  border-radius:8px;
  font-size:13px;font-weight:600;
  cursor:pointer;
  transition:.15s ease;
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--sans);
}
.btn:hover{background:var(--bg-1);border-color:#c7c0b3;}
.btn.primary{background:var(--palm);border-color:var(--palm);color:#fff;}
.btn.primary:hover{background:var(--forest);}
.btn.ghost{background:transparent;}
.btn.sm{padding:6px 11px;font-size:12px;}
.btn:disabled{opacity:.4;cursor:not-allowed;}

/* ---------- Tabs ---------- */
.tabbar-wrap{
  padding:14px 30px 0 30px;
  display:flex;align-items:flex-end;gap:8px;
  overflow-x:auto;
  background:var(--sky);
}
.tabbar{display:flex;gap:6px;flex:1;overflow-x:auto;padding-bottom:0;}
.tab{
  display:flex;align-items:center;gap:8px;
  padding:10px 16px;
  border-radius:10px 10px 0 0;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-bottom:none;
  color:var(--mist);
  cursor:pointer;
  font-size:13px;font-weight:600;
  white-space:nowrap;
  position:relative;top:1px;
}
.tab .status-dot{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.35);}
.tab.has-data .status-dot{background:var(--leaf);}
.tab:hover{color:#fff;}
.tab.active{
  background:var(--bg-0);
  color:var(--text-0);
  border-color:var(--border);
  box-shadow:0 -2px 10px rgba(0,0,0,.15);
}
.tab.summary-tab.active{background:var(--palm);color:#fff;border-color:var(--palm);}
.tab.summary-tab{background:rgba(233,196,106,.14);color:var(--sun);font-weight:700;}
.tab .tab-close{
  opacity:.55;font-size:14px;line-height:1;padding:2px 4px;border-radius:6px;
}
.tab .tab-close:hover{opacity:1;background:rgba(231,111,81,.3);color:#fff;}
.tab-add{
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.3);
  color:var(--mist);cursor:pointer;font-size:18px;font-weight:700;
  flex-shrink:0;
}
.tab-add:hover{background:rgba(255,255,255,.14);color:#fff;border-color:var(--leaf);}

.tab-panels{padding:26px 30px 60px 30px;max-width:1480px;margin:0 auto;}
.panel{display:none;}
.panel.active{display:block;animation:fadein .2s ease;}
@keyframes fadein{from{opacity:0;transform:translateY(4px);}to{opacity:1;transform:translateY(0);}}

/* ---------- Upload dropzone ---------- */
.dropzone-wrap{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:420px;
  border:2px dashed var(--border);
  border-radius:20px;
  background:var(--card-soft);
  padding:50px 20px;
  text-align:center;
  gap:18px;
}
.dropzone-wrap.dragover{border-color:var(--leaf);background:var(--good-bg);}
.dropzone-icon{
  width:64px;height:64px;border-radius:16px;
  background:var(--forest);
  display:flex;align-items:center;justify-content:center;
  font-size:26px;color:var(--sun);
}
.dropzone-wrap h2{margin:0;font-size:21px;font-family:var(--serif);font-weight:700;}
.dropzone-wrap p{margin:0;color:var(--text-2);font-size:13.5px;max-width:440px;}
.branch-name-input{
  background:var(--card);border:1px solid var(--border);color:var(--text-0);
  padding:10px 14px;border-radius:8px;font-size:13px;min-width:260px;text-align:center;
}
.branch-name-input:focus{outline:none;border-color:var(--palm);}
.file-input-label{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--forest);color:#fff;
  padding:11px 22px;border-radius:8px;font-weight:600;font-size:13.5px;
  cursor:pointer;
}
.file-input-label:hover{background:var(--sky);}
.dz-hint{font-size:11.5px;color:var(--text-2);}
.dz-error{color:var(--coral);font-size:12.5px;}

/* ---------- Section headers ---------- */
.branch-header{
  display:flex;justify-content:space-between;align-items:flex-start;
  flex-wrap:wrap;gap:16px;
  margin-bottom:22px;
  padding-bottom:20px;
  border-bottom:1px solid var(--border);
}
.branch-header h2{margin:0 0 6px 0;font-size:28px;font-weight:900;font-family:var(--serif);color:var(--forest);letter-spacing:-.3px;}
.branch-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px;}
.meta-chip{
  background:var(--card-soft);border:1px solid var(--border-soft);border-radius:8px;
  padding:7px 13px;font-size:11.5px;color:var(--text-2);
}
.meta-chip b{color:var(--text-0);font-size:12.5px;font-family:var(--mono);font-weight:600;}

.section-eyebrow{
  display:flex;align-items:center;gap:12px;
  margin:40px 0 6px 0;
}
.section-eyebrow span.label{
  font-family:var(--sans);font-size:10px;font-weight:700;letter-spacing:3px;
  color:var(--palm);text-transform:uppercase;white-space:nowrap;
}
.section-eyebrow .rule{flex:1;height:1px;background:var(--border);}
.section-heading{
  font-family:var(--serif);font-size:22px;font-weight:700;margin:0 0 18px 0;color:var(--text-0);
}
.section-heading .sub{font-family:var(--sans);font-size:12px;font-weight:500;color:var(--text-2);margin-left:12px;}

/* ---------- Score ring / exec strip ---------- */
.exec-strip{
  background:var(--palm); color:#fff;
  border-radius:16px; padding:22px 28px; margin-bottom:28px;
  display:flex; align-items:center; gap:22px; flex-wrap:wrap;
}
.score-ring{
  width:76px; height:76px; border-radius:50%;
  border:4px solid var(--sun);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  flex-shrink:0;
}
.score-ring .big{ font-family:var(--mono); font-size:20px; font-weight:700; color:var(--sun); }
.score-ring .tiny{ font-size:9px; color:rgba(255,255,255,.6); letter-spacing:1px; }
.exec-verdict{ font-family:var(--serif); font-size:16px; font-weight:700; flex:1; min-width:200px; }
.exec-verdict b{ color:var(--sun); }
.exec-bullets{ flex:2; min-width:240px; list-style:none; display:grid; grid-template-columns:1fr 1fr; gap:5px 18px; margin:0; padding:0; }
.exec-bullets li{ font-size:11.5px; color:rgba(255,255,255,.88); display:flex; gap:6px; }
.exec-bullets li::before{ content:'▸'; color:var(--mist); flex-shrink:0; }

/* ---------- KPI cards ---------- */
.kpi-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
  gap:14px;
}
.kpi-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:18px;
  position:relative;overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .15s ease;
}
.kpi-card:hover{transform:translateY(-2px);}
.kpi-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;border-radius:0 0 12px 12px;}
.kpi-card.good::after{background:var(--leaf);}
.kpi-card.warn::after{background:var(--sun);}
.kpi-card.bad::after{background:var(--coral);}
.kpi-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;}
.kpi-label{font-size:11.5px;color:var(--muted);font-weight:600;}
.kpi-badge{font-size:11px;font-weight:700;padding:2px 9px;border-radius:999px;white-space:nowrap;}
.kpi-badge.good{background:var(--good-bg);color:var(--good);}
.kpi-badge.warn{background:var(--warn-bg);color:var(--warn);}
.kpi-badge.bad{background:var(--bad-bg);color:var(--bad);}
.kpi-value{font-size:26px;font-weight:700;margin:10px 0 4px 0;font-family:var(--mono);letter-spacing:-.5px;color:var(--ink);}
.kpi-sub{font-size:11.5px;color:var(--muted);}
.kpi-bar-track{height:4px;border-radius:4px;background:var(--smoke);margin-top:10px;overflow:hidden;}
.kpi-bar-fill{height:100%;border-radius:4px;background:var(--leaf);}
.kpi-card.warn .kpi-bar-fill{background:var(--sun);}
.kpi-card.bad .kpi-bar-fill{background:var(--coral);}

/* ---------- Cards / grids ---------- */
.grid-2{display:grid;grid-template-columns:1.3fr 1fr;gap:18px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
@media(max-width:1100px){.grid-2,.grid-3{grid-template-columns:1fr;}}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  padding:20px 22px;box-shadow:var(--shadow);
}
.card h3{margin:0 0 3px 0;font-size:13.5px;font-weight:700;color:var(--ink);}
.card .card-sub{font-size:11px;color:var(--muted);margin-bottom:14px;}
.chart-box{position:relative;height:280px;}
.chart-box.tall{height:350px;}
.chart-box.short{height:210px;}

/* ---------- EFSN colored cards ---------- */
.efsn-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
@media(max-width:900px){.efsn-grid{grid-template-columns:repeat(2,1fr);}}
.ec{border-radius:12px;padding:16px;border:1px solid;}
.ec.essential{background:#EFF6FF;border-color:#BFDBFE;}
.ec.fast{background:#F0FDF4;border-color:#BBF7D0;}
.ec.slow{background:#FFFBEB;border-color:#FDE68A;}
.ec.dead{background:#FFF1F2;border-color:#FECDD3;}
.ec-icon{font-size:20px;margin-bottom:4px;}
.ec-label{font-size:10px;letter-spacing:1px;text-transform:uppercase;font-weight:700;color:var(--muted);}
.ec-val{font-family:var(--mono);font-size:18px;font-weight:700;color:var(--ink);margin:3px 0;}
.ec-pct{font-size:11px;color:var(--muted);}
.ec-note{font-size:11px;margin-top:6px;color:var(--ink);opacity:.75;}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow);}
table{width:100%;border-collapse:collapse;font-size:12.5px;background:var(--card);}
thead th{
  text-align:left;padding:11px 14px;background:var(--forest);
  color:#fff;font-weight:600;font-size:10px;letter-spacing:.5px;
  white-space:nowrap;
}
tbody tr{border-bottom:1px solid var(--border);}
tbody tr:nth-child(even){background:var(--card-soft);}
tbody tr:hover{background:var(--good-bg);}
tbody td{padding:10px 14px;color:var(--text-1);white-space:nowrap;}
td.num{text-align:right;font-variant-numeric:tabular-nums;font-family:var(--mono);}
.tag{padding:2px 9px;border-radius:999px;font-size:11px;font-weight:700;display:inline-block;}
.tag.good{background:var(--good-bg);color:var(--good);}
.tag.warn{background:var(--warn-bg);color:var(--warn);}
.tag.bad{background:var(--bad-bg);color:var(--bad);}
.rank-badge{
  width:24px;height:24px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;background:var(--smoke);color:var(--text-1);font-family:var(--mono);
}
.rank-badge.r1{background:#FDF3D8;color:#B8860B;}
.rank-badge.r2{background:#F1F1F1;color:#71797E;}
.rank-badge.r3{background:#F6E7DC;color:#A05A2C;}

/* ---------- Insights ---------- */
.insights-wrap{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;}
.insight-card{
  background:var(--card);
  border:1px solid var(--border);border-radius:10px;padding:16px 18px;
  position:relative;
  border-left:4px solid var(--border);
}
.insight-card .itag{
  display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;
  text-transform:uppercase;letter-spacing:.6px;margin-bottom:8px;
}
.insight-card.critical{border-left-color:var(--coral);}
.insight-card.watch{border-left-color:var(--sun);}
.insight-card.positive{border-left-color:var(--leaf);}
.insight-card.info{border-left-color:var(--sky);}
.insight-card.critical .itag{color:var(--coral);}
.insight-card.watch .itag{color:var(--bark);}
.insight-card.positive .itag{color:var(--palm);}
.insight-card.info .itag{color:var(--sky);}
.insight-card p{margin:0;font-size:12.5px;line-height:1.6;color:#374151;}
.insight-card p b{color:var(--ink);font-weight:700;}

.ai-banner{
  background:linear-gradient(135deg,var(--sky) 0%,var(--forest) 100%);
  border-radius:16px;
  padding:22px 26px;
  display:flex;gap:16px;align-items:flex-start;
  margin-bottom:18px;
  color:#fff;
}
.ai-banner .ai-icon{
  width:42px;height:42px;border-radius:11px;background:rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0;
}
.ai-banner h3{margin:0 0 6px 0;color:#fff;font-size:14.5px;font-family:var(--serif);font-weight:700;}
.ai-banner p{margin:0;color:rgba(255,255,255,.88);font-size:13px;line-height:1.6;}

/* ---------- Empty / consolidated states ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:420px;gap:14px;text-align:center;color:var(--text-2);
}
.empty-state .e-icon{font-size:40px;}
.empty-state h2{color:var(--forest);margin:0;font-family:var(--serif);font-weight:700;}

.summary-hero{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:6px;
}
@media(max-width:1000px){.summary-hero{grid-template-columns:repeat(2,1fr);}}
.hero-card{
  border-radius:12px;padding:18px;position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);
  border-top:3px solid var(--palm);
}
.hero-card h4{margin:0;font-size:10.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;}
.hero-card .hv{font-size:25px;font-weight:700;margin-top:9px;font-family:var(--mono);color:var(--ink);letter-spacing:-.5px;}
.hero-card .hs{font-size:11px;color:var(--muted);margin-top:5px;}
.hero-card.c2{border-top-color:var(--sun);}
.hero-card.c3{border-top-color:var(--leaf);}
.hero-card.c4{border-top-color:var(--sky);}

.branch-pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:6px;}
.branch-pill{
  padding:6px 12px;border-radius:999px;font-size:11.5px;font-weight:600;
  background:var(--smoke);border:1px solid var(--border);color:var(--text-1);
}

footer.app-footer{
  text-align:center;padding:24px;color:rgba(255,255,255,.5);font-size:11.5px;margin-top:40px;
  background:var(--ink);
}
footer.app-footer .footer-tagline{
  margin-top:8px;font-size:10.5px;letter-spacing:1.5px;text-transform:uppercase;color:var(--mist);font-weight:700;
}

.toast{
  position:fixed;bottom:24px;right:24px;background:var(--card);border:1px solid var(--border);
  padding:14px 18px;border-radius:10px;box-shadow:var(--shadow);font-size:13px;z-index:200;
  display:flex;gap:10px;align-items:center;max-width:340px;color:var(--text-1);
}
.toast.err{border-color:var(--coral);}
.toast .tx{font-size:16px;}

.modal-backdrop{
  position:fixed;inset:0;background:rgba(26,26,46,.55);backdrop-filter:blur(2px);
  display:flex;align-items:center;justify-content:center;z-index:300;
}
.modal{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  padding:26px;width:380px;box-shadow:var(--shadow);
}
.modal h3{margin:0 0 14px 0;font-family:var(--serif);font-weight:700;color:var(--forest);}
.modal label{font-size:12px;color:var(--text-2);display:block;margin-bottom:6px;}
.modal input{
  width:100%;background:var(--card-soft);border:1px solid var(--border);color:var(--text-0);
  padding:10px 12px;border-radius:8px;font-size:13px;margin-bottom:16px;
}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;}

.small-muted{color:var(--text-2);font-size:11.5px;}