:root{
  /* Core tokens */
  --bg:#ffffff;
  --surface:#ffffff;
  --muted:#F2F4F7;
  --card:#ffffff;

  /* Identidade Medlar */
  --primary:#B22727;   /* vermelho logo */
  --primary-2:#198754; /* verde logo */
  --accent:#198754;    /* verde p/ estados OK */

  /* Tipografia */
  --text:#111827;      /* preto */
  --text-dim:#374151;  /* cinza escuro */

  /* Feedback */
  --ring: rgba(25,135,84,.25);
  --danger:#DC2626;
  --warning:#F59E0B;

  /* Bordas/Sombras */
  --border:#E5E7EB;
  --shadow: 0 1px 2px rgba(16,24,40,.08), 0 1px 3px rgba(16,24,40,.06);
}

*{box-sizing:border-box}
html,body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif
}
a{color:var(--text);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:24px}

/* Topbar */
.topbar{
  position:sticky;top:0;z-index:1000;
  background:#ffffff;
  border-bottom:1px solid var(--border);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:36px;width:auto;filter:none}
.brand .title{font-weight:800;letter-spacing:.5px;color:var(--text)}
.nav{display:flex;gap:10px;flex-wrap:wrap}
.nav a{
  padding:10px 14px;border-radius:10px;
  background:transparent;transition:all .2s ease;
  color:var(--text-dim)
}
.nav a:hover{background:rgba(17,24,39,.06)}
.nav a.active{
  background:rgba(178,39,39,.08);
  outline:1px solid rgba(178,39,39,.30);
  color:var(--text);
}

/* Cards & Grid */
.grid{display:grid;gap:16px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:1000px){.grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:700px){
  .grid.cols-3,.grid.cols-4,.grid.cols-2{grid-template-columns:1fr}
  .nav{display:none} .topbar .menu-btn{display:block}
}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  padding:16px;
  box-shadow:var(--shadow);
}
.card h3{margin:0 0 8px 0;font-size:16px;color:var(--text-dim);font-weight:600}
.metric{font-size:28px;font-weight:800;color:var(--text)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;
  border:1px solid var(--border);
  background:#F8FAFC;
  font-size:12px;color:var(--text-dim)
}

/* Tables */
table{
  width:100%;border-collapse:separate;border-spacing:0;margin-top:10px;
  background:var(--surface);
  border:1px solid var(--border);border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow);
}
thead th{
  font-size:12px;text-transform:uppercase;letter-spacing:.6px;
  color:#475467;background:#F3F4F6;border-bottom:1px solid var(--border);
}
th,td{padding:12px 14px;border-bottom:1px solid var(--border);color:var(--text)}
tbody tr:hover{background:#FAFAFA}

/* Forms */
form .row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:12px}
@media (max-width:900px){form .row{grid-template-columns:1fr}}
label{font-size:12px;color:#6B7280;display:block;margin-bottom:6px}
input,select,textarea{
  width:100%;padding:12px 12px;border-radius:12px;
  border:1px solid var(--border);
  background:#FFFFFF;color:var(--text);
  outline:none;transition:box-shadow .15s ease,border-color .15s ease
}
input:focus,select:focus,textarea:focus{
  border-color:var(--primary-2);
  box-shadow:0 0 0 4px var(--ring)
}

/* Buttons */
button{
  appearance:none;border:none;
  background:linear-gradient(180deg,#B22727,#8F1F1F);
  color:#ffffff;font-weight:700;padding:10px 14px;border-radius:12px;cursor:pointer;
  box-shadow:0 6px 18px rgba(178,39,39,.25);
  transition:transform .12s ease, box-shadow .12s ease, opacity .12s ease
}
button:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(178,39,39,.33)}
button.secondary{
  background:linear-gradient(180deg,#198754,#156a43);
  color:#fff;box-shadow:0 6px 18px rgba(25,135,84,.22)
}

/* KPI pills */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:16px 0}
@media (max-width:1000px){.kpis{grid-template-columns:repeat(2,1fr)}}
.k{
  background:#FFFFFF;border:1px solid var(--border);border-radius:16px;padding:14px;
  box-shadow:var(--shadow)
}
.k strong{display:block;color:#475467;margin-bottom:6px}

/* Canvas wrapper */
.canvas-card{padding:0}
.canvas-card .head{display:flex;align-items:center;justify-content:space-between;padding:14px 14px 0 14px}
canvas{display:block;width:100%;height:360px;max-height:60vh}

/* Toast */
.alert{
  padding:12px 14px;border-radius:12px;border:1px solid var(--border);
  background:#FFF7ED;color:#7C2D12
}
.alert.error{
  border-color:rgba(220,38,38,.35);
  background:rgba(220,38,38,.08);
  color:#7F1D1D
}

/* Notificação */
.notification-badge {
  background: #DC2626;
  color: white;
  border-radius: 10px;
  padding: 2px 6px;
  font-size: 0.75rem;
  margin-left: 4px;
  vertical-align: top;
}