/* Main theme colors */
:root {
  --primary-color: #4f46e5;
  --secondary-color: #818cf8;
  --success-color: #22c55e;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --dark-color: #1f2937;
  --light-color: #f3f4f6;
  --gray-color: #6b7280;
}

/* General styles */
body {
  background-color: #f8fafc;
  font-family: 'Inter', sans-serif;
  color: var(--dark-color);
}

.navbar {
  background-color: white;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
  font-weight: 700;
  color: var(--primary-color);
}

/* Cards */
.card {
  border: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border-radius: 0.75rem;
  margin-bottom: 1.5rem;
}

.card-header {
  background-color: white;
  border-bottom: 1px solid #e5e7eb;
  padding: 1rem 1.5rem;
  border-radius: 0.75rem 0.75rem 0 0 !important;
}

.card-body {
  padding: 1.5rem;
}

/* Tables */
.table {
  margin-bottom: 0;
}

.table th {
  font-weight: 600;
  color: var(--gray-color);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.table td {
  vertical-align: middle;
  color: var(--dark-color);
  font-size: 0.875rem;
}

/* Badges */
.badge {
  padding: 0.35em 0.65em;
  font-weight: 500;
  border-radius: 0.375rem;
}

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  font-weight: 500;
  border-radius: 0.5rem;
  transition: all 0.2s;
}

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

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

/* Forms */
.form-control, .form-select {
  border-radius: 0.5rem;
  padding: 0.625rem 1rem;
  border-color: #e5e7eb;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.25);
}

/* Stats cards */
.stats-card {
  border-radius: 1rem;
  padding: 1.5rem;
  transition: transform 0.2s;
}

.stats-card:hover {
  transform: translateY(-2px);
}

.stats-card h6 {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.stats-card .h3 {
  color: white;
  font-weight: 600;
  margin-bottom: 0;
}

/* SMS status */
.sms-status {
  font-size: 0.875rem;
}

.spinner-border-sm {
  width: 1rem;
  height: 1rem;
}

/* Pagination */
.pagination {
  margin-bottom: 0;
  margin-top: 1rem;
}

.page-link {
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  margin: 0 0.25rem;
}

.page-item.active .page-link {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* Alerts */
.alert {
  border: none;
  border-radius: 0.75rem;
  padding: 1rem 1.5rem;
}

/* Custom utilities */
.font-semibold {
  font-weight: 600;
}

.text-sm {
  font-size: 0.875rem;
}

.text-xs {
  font-size: 0.75rem;
}