* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  background: #f5f5f5;
  color: #333;
}

.sms-provider-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar Styles */
.settings-sidebar {
  width: 220px;
  background: #ffffff;
  border-right: 1px solid #e0e0e0;
  overflow-y: auto;
  flex-shrink: 0;
}

.embedded .settings-sidebar {
  display: none;
}

.settings-nav {
  padding: 15px 0;
}

.settings-nav-item {
  display: block;
  padding: 10px 20px;
  color: #333;
  text-decoration: none;
  font-size: 13px;
  transition: background 0.2s;
  cursor: pointer;
  border-left: 3px solid transparent;
}

.settings-nav-item:hover {
  background: #f5f5f5;
}

.settings-nav-section {
  margin-top: 5px;
}

.settings-nav-item.active-section {
  font-weight: 600;
  color: #2c5282;
  background: #e6f2ff;
  border-left-color: #4a90e2;
  cursor: default;
}

.settings-nav-subitem {
  display: block;
  padding: 8px 20px 8px 40px;
  color: #666;
  text-decoration: none;
  font-size: 12px;
  transition: all 0.2s;
  cursor: pointer;
  border-left: 3px solid transparent;
}

.settings-nav-subitem:hover {
  background: #f5f5f5;
  color: #333;
}

.settings-nav-subitem.active {
  background: #e6f2ff;
  color: #2c5282;
  font-weight: 500;
  border-left-color: #4a90e2;
}

/* Main Content */
.sms-provider-main {
  flex: 1;
  background: #ffffff;
  overflow-y: auto;
  padding: 30px 40px;
}


.sms-provider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.sms-provider-subtitle {
  margin: 4px 0 0;
  color: #607d8b;
  font-size: 13px;
}

.sms-provider-title {
  font-size: 18px;
  font-weight: 600;
  color: #333;
  margin: 0;
}

.header-actions { display:flex; gap:8px; }

.btn-add-new {
  padding: 8px 20px;
  background: #4a90e2;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-add-new:hover {
  background: #357abd;
}

.btn-add-new:active {
  background: #2c5f9e;
}

/* Table Styles */
.sms-providers-table-wrapper {
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  overflow: hidden;
}

.sms-providers-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  font-size: 13px;
}

.sms-providers-table thead {
  background: #f8f9fa;
  border-bottom: 2px solid #e0e0e0;
}

.sms-providers-table thead th {
  padding: 12px 15px;
  text-align: left;
  font-weight: 600;
  color: #555;
  font-size: 13px;
  border-bottom: 2px solid #e0e0e0;
}

.sms-providers-table tbody tr {
  border-bottom: 1px solid #f0f0f0;
  transition: background 0.15s;
}

.sms-providers-table tbody tr:last-child {
  border-bottom: none;
}

.sms-providers-table tbody tr:hover {
  background: #f8f9fa;
}

.sms-providers-table tbody td {
  padding: 12px 15px;
  color: #333;
  vertical-align: middle;
}

.radio-cell {
  text-align: center;
}

.radio-cell input[type="radio"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  margin: 0;
}


.card {
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  background: #fff;
  margin-bottom: 16px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

.card-header { padding: 14px 16px; border-bottom: 1px solid #e0e0e0; }
.card-header h2 { margin: 0; font-size: 16px; }
.card-body { padding: 14px 16px; }
.card-footer { padding: 10px 16px; border-top: 1px solid #e0e0e0; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }

.form-row { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: #37474f; }
.form-row input, .form-row textarea { padding: 10px; border: 1px solid #ccc; border-radius: 4px; font-size: 13px; }
.form-row textarea { resize: vertical; }
.form-row.checkbox-row { flex-direction: row; align-items: center; gap: 10px; }

.status-text { font-size: 12px; color: #455a64; }

.secondary {
  padding: 10px 16px;
  background: #455a64;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.status-text {
  margin-left: 12px;
  font-size: 12px;
  color: #455a64;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-state-icon {
  font-size: 64px;
  margin-bottom: 20px;
  opacity: 0.5;
}

.empty-state-text {
  font-size: 16px;
  font-weight: 500;
  color: #666;
  margin: 0 0 10px 0;
}

.empty-state-subtext {
  font-size: 14px;
  color: #999;
  margin: 0;
}

/* Scrollbar Styles */
.settings-sidebar::-webkit-scrollbar,
.sms-provider-main::-webkit-scrollbar {
  width: 8px;
}

.settings-sidebar::-webkit-scrollbar-track,
.sms-provider-main::-webkit-scrollbar-track {
  background: #f1f1f1;
}

.settings-sidebar::-webkit-scrollbar-thumb,
.sms-provider-main::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}

.settings-sidebar::-webkit-scrollbar-thumb:hover,
.sms-provider-main::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

/* Responsive */
@media (max-width: 768px) {
  .sms-provider-container {
    flex-direction: column;
  }

  .settings-sidebar {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid #e0e0e0;
  }

  .sms-provider-main {
    padding: 20px;
  }

  .sms-provider-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }

  .btn-add-new {
    width: 100%;
  }
}