:root{
  --maroon:#912338; --maroon-d:#6E1A2A; --gold:#E5A823;
  --ink:#1d2129; --muted:#6b7280; --line:#e3e6ea;
  --bg:#f4f6f8; --card:#ffffff;
  --ok:#1E7D32; --bad:#c62828; --blue:#2C5F8A;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink)}

/* ── top bar ── */
.topbar{display:flex;justify-content:space-between;align-items:center;
  background:var(--maroon);color:#fff;padding:12px 22px;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.brand .logo{font-size:21px;font-weight:700;letter-spacing:.3px}
.brand .sub{margin-left:14px;font-size:13px;color:#f0d5db}
.affil{font-size:13px;color:#f0d5db;display:flex;align-items:center;gap:14px}
.conf{background:var(--gold);color:#3a2a00;font-weight:700;font-size:10px;
  padding:3px 8px;border-radius:3px;letter-spacing:.6px}

/* ── layout ── */
.layout{display:grid;grid-template-columns:335px 1fr;gap:18px;padding:18px;align-items:start}
.panel{background:var(--card);border-radius:10px;padding:16px;box-shadow:0 1px 4px rgba(0,0,0,.07);
  position:sticky;top:18px}
.results{min-height:60vh}

/* ── steps ── */
.step{margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.step-h{font-size:14px;font-weight:700;color:var(--maroon);margin-bottom:11px;display:flex;align-items:center;gap:8px}
.num{background:var(--maroon);color:#fff;width:20px;height:20px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px}

.scen-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:7px}
.scen-card{border:2px solid var(--line);border-radius:7px;padding:5px;cursor:pointer;
  transition:.15s;text-align:center;background:#fafbfc}
.scen-card:hover{border-color:var(--gold)}
.scen-card.sel{border-color:var(--maroon);background:#fdf5f6;box-shadow:0 0 0 2px rgba(145,35,56,.1)}
.scen-card img{width:100%;height:46px;object-fit:cover;border-radius:4px;display:block}
.scen-name{font-size:11px;font-weight:700;margin-top:4px}
.scen-site{font-size:9px;color:var(--muted);line-height:1.2}
.scen-ctx{margin-top:9px;font-size:11.5px;color:var(--muted);font-style:italic;min-height:28px}

.lbl{display:block;font-size:12px;font-weight:600;margin:12px 0 6px;color:#374151}
.val{color:var(--maroon);font-weight:700}
input[type=range]{width:100%;accent-color:var(--maroon);cursor:pointer}
.scale{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:2px}

.seg{display:flex;gap:4px;flex-wrap:wrap}
.seg button{flex:1;min-width:88px;padding:7px 4px;font-size:11px;border:1.5px solid var(--line);
  background:#fff;border-radius:5px;cursor:pointer;transition:.15s;font-weight:600;color:#4b5563}
.seg button:hover{border-color:var(--gold)}
.seg button.sel{background:var(--maroon);color:#fff;border-color:var(--maroon)}

.fixed-note{margin-top:13px;background:#f7f1f2;border-left:3px solid var(--maroon);
  padding:8px 10px;font-size:11px;color:#4b5563;border-radius:0 4px 4px 0;line-height:1.45}

.run{width:100%;padding:13px;background:var(--maroon);color:#fff;border:none;border-radius:7px;
  font-size:15px;font-weight:700;cursor:pointer;transition:.15s;letter-spacing:.2px}
.run:hover{background:var(--maroon-d);transform:translateY(-1px);box-shadow:0 4px 12px rgba(145,35,56,.3)}
.run:active{transform:none}
.hint{font-size:10.5px;color:var(--muted);text-align:center;margin-top:7px}

/* ── idle ── */
.idle{background:var(--card);border-radius:10px;padding:80px 40px;text-align:center;
  box-shadow:0 1px 4px rgba(0,0,0,.07)}
.idle-ic{font-size:52px;color:var(--line);margin-bottom:14px}
.idle h2{font-size:19px;color:#374151;margin-bottom:8px;font-weight:600}
.idle p{color:var(--muted);font-size:13.5px;max-width:460px;margin:0 auto;line-height:1.55}

/* ── decision banner ── */
.decision{background:linear-gradient(135deg,var(--maroon),var(--maroon-d));color:#fff;
  border-radius:10px;padding:14px 18px;margin-bottom:14px;font-size:14px;line-height:1.5}
.decision b{color:var(--gold)}
.decision .tag{display:inline-block;background:rgba(255,255,255,.16);padding:2px 9px;
  border-radius:11px;font-size:11px;margin-left:8px;font-weight:600}

/* ── KPIs ── */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:14px}
.kpi{background:var(--card);border-radius:9px;padding:13px;box-shadow:0 1px 4px rgba(0,0,0,.07)}
.k-l{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600}
.k-v{font-size:23px;font-weight:700;margin:7px 0 3px;display:flex;align-items:center;gap:7px}
.k-v .bad{color:var(--bad)} .k-v .good{color:var(--ok)}
.arrow{color:var(--muted);font-size:16px}
.k-s{font-size:11.5px;color:var(--muted)}
.k-s.up{color:var(--ok);font-weight:700}

/* ── cards ── */
.card{background:var(--card);border-radius:10px;padding:15px;margin-bottom:14px;
  box-shadow:0 1px 4px rgba(0,0,0,.07)}
.card h3{font-size:14.5px;color:var(--maroon);margin-bottom:11px;font-weight:700}
.card-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:11px}
.card-h h3{margin:0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.plot3d{height:430px} .plot2d{height:265px}

.toggle{display:flex;gap:4px}
.toggle button{padding:6px 13px;font-size:11.5px;border:1.5px solid var(--line);background:#fff;
  border-radius:5px;cursor:pointer;font-weight:600;color:#4b5563;transition:.15s}
.toggle button.sel{background:var(--maroon);color:#fff;border-color:var(--maroon)}

.legend{display:flex;gap:20px;justify-content:center;margin-top:8px;font-size:11.5px;color:var(--muted)}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px}
.dot.ok{background:var(--ok)} .dot.no{background:var(--bad)} .dot.bs{background:var(--gold)}

/* ── busy ── */
.busy{position:fixed;inset:0;background:rgba(255,255,255,.9);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:16px;z-index:99;font-size:14px;color:var(--maroon);font-weight:600}
.spin{width:42px;height:42px;border:4px solid var(--line);border-top-color:var(--maroon);
  border-radius:50%;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.hidden{display:none}

.gatebar{margin-top:9px;padding-top:8px;border-top:1px solid rgba(255,255,255,.22);
  font-size:12px;color:#f3dde2;line-height:1.45}
.gatebar b{color:var(--gold)}