:root {
  --brand: #0f766e;
  --brand-strong: #0b5e59;
  --brand-soft: #ccfbf1;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --surface: #ffffff;
  --surface-2: #f8fafc;
}

* {
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 500px at 100% -10%, #d1fae5 0%, rgba(209, 250, 229, 0) 60%),
    radial-gradient(1000px 600px at -10% 120%, #e0f2fe 0%, rgba(224, 242, 254, 0) 55%),
    var(--surface-2);
  font-size: 0.98rem;
}

.navbar {
  background: linear-gradient(120deg, #0f172a, #134e4a);
  backdrop-filter: blur(8px);
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.25px;
}

.nav-link {
  border-radius: 10px;
  padding: 0.45rem 0.7rem !important;
}

.nav-link:hover,
.nav-link:focus {
  background: rgba(255, 255, 255, 0.1);
}

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.card .card-body {
  padding: 1.1rem;
}

.card-title,
.section-title {
  font-weight: 700;
  letter-spacing: 0.1px;
}

.kpi {
  border-left: 5px solid var(--brand);
}

.muted-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.alert-info {
  border: 1px solid #bae6fd;
  background: #f0f9ff;
  color: #0c4a6e;
}

.btn {
  border-radius: 10px;
  font-weight: 600;
}

.btn-primary {
  background-color: var(--brand);
  border-color: var(--brand);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--brand-strong);
  border-color: var(--brand-strong);
}

.btn-outline-dark {
  border-color: #94a3b8;
}

.form-control,
.form-select {
  border-radius: 10px;
  border-color: #cbd5e1;
}

.form-control:focus,
.form-select:focus {
  border-color: #14b8a6;
  box-shadow: 0 0 0 0.2rem rgba(20, 184, 166, 0.16);
}

.table-responsive {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.table {
  margin-bottom: 0;
}

.table th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.055em;
  color: var(--muted);
  background: #f8fafc;
  border-bottom-width: 1px;
}

.table td,
.table th {
  vertical-align: middle;
  white-space: nowrap;
}

.table tbody tr:hover {
  background: #f8fafc;
}

.badge.text-bg-light {
  background: #ecfeff !important;
  color: #155e75 !important;
  border: 1px solid #bae6fd;
}

@media (max-width: 991.98px) {
  .container.py-4.py-md-5 {
    padding-top: 1rem !important;
    padding-bottom: 1.25rem !important;
  }

  .navbar .navbar-nav {
    padding-top: 0.5rem;
    gap: 0.35rem;
  }

  .card {
    border-radius: 13px;
  }

  .card .card-body {
    padding: 0.95rem;
  }

  .display-6 {
    font-size: 1.8rem;
  }

  .btn-lg,
  .form-control-lg,
  .form-select-lg {
    min-height: 46px;
    font-size: 1rem;
  }

  .table {
    font-size: 0.93rem;
  }
}