/* === Βασικά === */
body {
  background: #f5f7fb;
  font-family: 'Segoe UI', Calibri, sans-serif;
}

/* === Navbar === */
nav.navbar {
  background: linear-gradient(90deg, #0056b3, #007bff);
}

.navbar-brand,
.btn-nav,
.nav-link {
  color: #fff !important;
  font-weight: 500;
}

.btn-nav:hover,
.nav-link:hover {
  opacity: .85;
}

/* === Footer === */
footer {
  text-align: center;
  padding: 15px 0;
  color: #888;
  font-size: .9rem;
  margin-top: 40px;
}

/* === Κάρτες / Πλαίσια === */
.card-like {
  background: #fff;
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
  border: 1px solid rgba(0, 0, 0, .18);
}

.list-item {
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
  border: 1px solid rgba(0, 0, 0, .18);
}

/* === Badges === */
.badge-soft {
  background: #eef3ff;
  color: #2952cc;
  border: 1px solid #cdd9ff;
}

/* === Tabs (διορθωμένα χρώματα) === */
.nav-tabs .nav-link {
  color: #0d6efd !important;       /* Μπλε bootstrap */
  font-weight: 600;
}

.nav-tabs .nav-link:hover {
  color: #004bbd !important;       /* Ελαφρώς πιο σκούρο όταν hover */
}

.nav-tabs .nav-link.active {
  color: #212529 !important;       /* Σκούρο γκρι όταν ενεργό */
  background-color: #ffffff !important;
  border: 1px solid #dee2e6;
  border-bottom-color: transparent;
}

/* === Κουμπιά === */
.btn {
  border-radius: 6px;
  font-weight: 500;
}

/* === Alerts === */
.alert {
  border-radius: 8px;
  font-weight: 500;
}

/* === Modal (scrollable content) === */
.modal-dialog-scrollable .modal-body {
  max-height: 70vh;
  overflow-y: auto;
}