:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#6b7280;
  --border:#e6eaf2;

  --brand-50:#f0ebff;
  --brand-500:#7c6cf5;
  --brand-600:#6757f1;

  --primary:#2563eb;
  --primary-600:#1d4ed8;

  --danger:#ef4444;
  --danger-600:#dc2626;

  --shadow-sm:0 1px 2px rgba(2,6,23,.06);
  --shadow-md:0 10px 30px rgba(2,6,23,.06);
  --radius:14px;
  --radius-sm:10px;
  --focus:0 0 0 3px rgba(124,108,245,.22);
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1020;
    --card:#121835;
    --text:#e6ebff;
    --muted:#a3aed0;
    --border:#1f2a55;
    --brand-50:#171d3a;
    --brand-500:#7c6cf5;
    --brand-600:#6a5af3;
    --shadow-md:0 10px 30px rgba(2,6,23,.35);
  }
  body{background:linear-gradient(90deg,var(--brand-500),var(--brand-600));}
  .leaflet-container{filter:saturate(.95) brightness(.95);}
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
  color:var(--text);
  background:linear-gradient(90deg,var(--brand-500),var(--brand-600));
}

/* Header */
header{
  position:sticky; top:0; z-index:10;
  background:linear-gradient(90deg,var(--brand-500),var(--brand-600));
  color:#fff;
  padding:18px 20px;
  box-shadow:var(--shadow-sm);
}
.container{max-width:1280px; margin:0 auto; padding:0 16px;}
h1{margin:0; font-size:20px; letter-spacing:.2px; font-weight:600;}

/* Página */
.page{margin-bottom:40px}

/* Grid principal */
.wrap{
  display:grid;
  grid-template-columns:minmax(680px, 860px) minmax(380px, 520px);
  gap:18px;
  justify-content:center;
  align-items:start;
  margin:18px auto 28px;
}
.wrap > div:first-child{width:100%; max-width:860px; justify-self:center;}
.wrap > div:nth-child(2){width:100%; max-width:520px; justify-self:center;}

/* Card */
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-md);
  padding:18px;
}
.card h4{margin:0 0 14px; font-size:18px; font-weight:600; color:#0b2b6e; letter-spacing:.2px;}
.wrap > div > .card + .card{margin-top:24px}
@media (max-width:1100px){.wrap > div > .card + .card{margin-top:16px}}

/* Form */
label{font-size:12px; color:var(--muted); display:block; margin:0 0 6px 2px;}
input[type="file"], input[type="text"], input[type="number"], select{
  width:100%; padding:10px 12px;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:#fff; color:#111827;
  outline:none; transition:border-color .15s, box-shadow .15s;
}
input::placeholder{color:#9aa3af}
input:focus, select:focus{border-color:var(--brand-500); box-shadow:var(--focus)}
@media (prefers-color-scheme: dark){
  input[type="file"], input[type="text"], input[type="number"], select{background:#0f1530; color:var(--text);}
}
.row{display:grid; grid-template-columns:1fr 1fr; gap:12px}
.row + .row{margin-top:10px}
.align-end{display:flex; align-items:end;}
.toolbar{display:flex; justify-content:space-between; align-items:center; margin-bottom:12px;}

/* Buttons */
button{
  appearance:none; background:var(--brand-500); color:#fff;
  border:none; border-radius:12px; padding:10px 16px; font-weight:600; letter-spacing:.2px;
  cursor:pointer; box-shadow:var(--shadow-sm);
  display:inline-flex; align-items:center; gap:8px;
  transition:transform .08s ease, background .18s ease, box-shadow .18s ease;
}
button svg{width:18px; height:18px}
button:hover{background:var(--brand-600); box-shadow:0 6px 18px rgba(124,108,245,.25)}
button:active{transform:translateY(1px)}
button.remove{
  background:#fff; color:var(--danger);
  border:1px solid #f0b7b7; padding:6px 10px; border-radius:10px;
}
button.remove:hover{background:#fff1f1; border-color:#f19b9b}
@media (prefers-color-scheme: dark){
  button.remove{background:#0f1530; border-color:#442626;}
  button.remove:hover{background:#1a223f;}
}

/* Map & 3D */
#map{
  height:62vh; min-height:420px; width:100%;
  border-radius:var(--radius);
  border:1px solid var(--border);
  box-shadow:var(--shadow-md);
  margin-top:6px; overflow:hidden;
}
#isoContainer{
  width:100%; height:420px;
  background:conic-gradient(from 180deg at 60% 20%, #f6f7fb, #eef2ff, #f6f7fb);
  border-radius:var(--radius);
  border:1px solid var(--border);
  box-shadow:var(--shadow-md), inset 0 1px 2px rgba(2,6,23,.04);
  margin-top:12px;
}
@media (prefers-color-scheme: dark){
  #isoContainer{background:linear-gradient(180deg,#0b1020,#0e1530);}
}
.gridNote{font-size:12px; color:var(--muted); margin-top:8px}

/* Tabela */
.table-wrap{overflow:auto; border-radius:12px; border:1px solid var(--border)}
table{width:100%; border-collapse:separate; border-spacing:0; font-size:14px}
thead th{
  position:sticky; top:0; z-index:1;
  background:#f8fafc; color:#0b2b6e;
  font-weight:600; border-bottom:1px solid var(--border);
  padding:10px 12px; white-space:nowrap;
}
tbody td{padding:10px 12px; border-bottom:1px solid var(--border); vertical-align:middle}
tbody tr:nth-child(even){background:#fafcff}
tbody tr:hover{background:#f5f8ff}
td.num{text-align:right; font-variant-numeric:tabular-nums}
td.center{text-align:center}
.muted{font-size:11px; color:var(--muted)}
@media (prefers-color-scheme: dark){
  thead th{background:#121b3c; color:#cbd7ff;}
  tbody tr:nth-child(even){background:#0f1530}
  tbody tr:hover{background:#121b3c}
}

/* KPIs */
.kpis{display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-bottom:10px;}
.kpi{background:linear-gradient(180deg,#f9fbff,#f2f6ff); border:1px solid var(--border); border-radius:12px; padding:10px 12px;}
.kpi .label{font-size:12px; color:var(--muted)}
.kpi .value{font-size:18px; font-weight:700; margin-top:2px}
@media (prefers-color-scheme: dark){
  .kpi{background:linear-gradient(180deg,#0f1530,#121b3c);}
}

/* Seção L×C */
.sec{display:flex; align-items:center; gap:6px; justify-content:center}
.sec input{
  width:78px; padding:8px 10px; text-align:right;
  border:1px solid var(--border); border-radius:10px;
  background:#fff; color:#111827;
}
.sec span{opacity:.8}
@media (prefers-color-scheme: dark){
  .sec input{background:#0f1530; color:var(--text);}
}

/* Toast */
#toast{
  position:fixed; top:18px; right:18px; z-index:9999;
  background:#111827; color:#fff; border-radius:10px;
  padding:10px 14px; box-shadow:var(--shadow-md);
  opacity:0; transform:translateY(-10px); pointer-events:none;
  transition:opacity .18s ease, transform .18s ease; font-size:13px;
}
#toast.show{opacity:.95; transform:translateY(0)}

/* Específicos */
#preload{max-width:860px; margin:18px auto;}
#workspace{display:none;}

/* Card que ocupa as 2 colunas (tabela) */
.span-2{
  grid-column:1 / -1;
  width:100%;
  max-width:calc(860px + 520px + 18px);
  justify-self:center;
}

@media (max-width:1100px){
  .wrap{
    grid-template-columns:minmax(320px, 920px);
    justify-content:center;
    gap:16px;
  }
  .wrap > div{max-width:920px; justify-self:center;}
  .span-2{max-width:920px;}
}

/* ===== MODAL DE INSTRUÇÕES ===== */
.modal-overlay{
  position:fixed; inset:0; background:rgba(2,6,23,.45);
  backdrop-filter:saturate(110%) blur(2px);
  opacity:0; pointer-events:none;
  transition:opacity .18s ease;
  z-index:10000;
}
.modal-overlay.show{opacity:1; pointer-events:auto;}

.modal{
  position:fixed; left:50%; top:50%;
  transform:translate(-50%, -52%) scale(.98);
  width:min(640px, 95vw);
  background:var(--card);
  color:var(--text);
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:var(--shadow-md);
  opacity:0; pointer-events:none;
  transition:transform .18s ease, opacity .18s ease;
  z-index:10001;
}
.modal.show{opacity:1; transform:translate(-50%, -50%) scale(1); pointer-events:auto;}

.modal-header{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 18px 10px 18px;
}
.modal-body{padding:0 18px 10px;}
.modal-actions{display:flex; justify-content:flex-end; padding:10px 18px 16px;}

.modal-close{
  background:transparent; border:1px solid var(--border);
  border-radius:10px; padding:6px; cursor:pointer;
}
.modal-close:hover{background:#f3f4f6}
@media (prefers-color-scheme: dark){
  .modal-close:hover{background:#0f1530}
}

/* ===== RÓTULOS DAS ÁREAS (LEAFLET TOOLTIP) ===== */
.leaflet-tooltip.v-area-tip{
  background:#fff;
  color:#0b2b6e;
  border:1px solid var(--border);
  border-radius:10px;
  box-shadow:var(--shadow-sm);
  padding:4px 8px;
  font-weight:600;
  font-size:12px;
}
.leaflet-tooltip.v-area-tip:before{ display:none; }
@media (prefers-color-scheme: dark){
  .leaflet-tooltip.v-area-tip{
    background:#0f1530; color:#cbd7ff; border-color:#1f2a55;
  }
}

/* ===== BADGES ν ===== */
.badge{
  display:inline-block;
  padding:2px 6px;
  margin-left:6px;
  border-radius:999px;
  font-size:11px;
  font-weight:700;
  border:1px solid transparent;
}
.badge-ok{
  color:#065f46; background:#ecfdf5; border-color:#a7f3d0;
}
.badge-warn{
  color:#92400e; background:#fffbeb; border-color:#fde68a;
}
.badge-bad{
  color:#991b1b; background:#fef2f2; border-color:#fecaca;
}
@media (prefers-color-scheme: dark){
  .badge-ok{ color:#bbf7d0; background:#064e3b; border-color:#065f46; }
  .badge-warn{ color:#fde68a; background:#78350f; border-color:#b45309; }
  .badge-bad{ color:#fecaca; background:#7f1d1d; border-color:#991b1b; }
}