:root {
  --primary-color: #f3ae3e;
  --secondary-color: #f3ae3e;
  --accent-color: #f3ae3e;
  --text-dark: #2d3748;
  --text-light: #718096;
  --bg-light: #f7fafc;
  --bg-white: #ffffff;
  --border-color: #e2e8f0;
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Microsoft Brand Colors */
  --ms-blue: #f3ae3e;
  --ms-blue-dark: #f3ae3e;
  --ms-gray: #5e5e5e;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--text-dark);
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: var(--bg-white);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.navbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  font-weight: 500;
  transition: all 0.3s ease;
  border-radius: 8px;
  margin: 0 4px;
  padding: 8px 16px !important;
}

.nav-link:hover {
  background-color: var(--bg-light);
  transform: translateY(-1px);
}

.nav-link.active {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white !important;
}

.table {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: none;
  margin-top: 2rem;
}

.table thead th {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  font-weight: 600;
  border: none;
  padding: 1rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table tbody tr {
  transition: all 0.3s ease;
  border: none;
}

.table tbody tr:hover {
  background-color: var(--bg-light);
  transform: scale(1.01);
}

.table tbody td {
  padding: 1rem;
  border-color: var(--border-color);
  vertical-align: middle;
}

.btn {
  border-radius: 8px;
  font-weight: 500;
  padding: 8px 20px;
  transition: all 0.3s ease;
  border: none;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-warning {
  background: linear-gradient(135deg, #ffecd2, #fcb69f);
  border: none;
  color: var(--text-dark);
}

.btn-warning:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: var(--text-dark);
}

.btn-danger {
  background: linear-gradient(135deg, #ff9a9e, #fecfef);
  border: none;
  color: var(--text-dark);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: var(--text-dark);
}

.btn-sm {
  padding: 6px 12px;
  margin: 0 2px;
}

.form-control {
  border-radius: 8px;
  border: 2px solid var(--border-color);
  padding: 12px;
  transition: all 0.3s ease;
  font-size: 1rem;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(243, 174, 62, 0.1);
}

.form-label {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-dark);
  font-weight: 700;
  margin-bottom: 1rem;
}

h2 {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: white;
  background-clip: text;
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 2rem;
}

.alert {
  border-radius: 12px;
  border: none;
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.card {
  border-radius: 16px;
  border: none;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.badge {
  border-radius: 20px;
  padding: 6px 12px;
  font-weight: 500;
  font-size: 0.75rem;
}

.text-muted {
  color: var(--text-light) !important;
}

@media (max-width: 768px) {
  .container {
    margin: 1rem;
    padding: 1rem;
    border-radius: 16px;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .table-responsive {
    border-radius: 12px;
  }
}

/* Microsoft Authentication Branding */
.btn-microsoft {
  background-color: var(--ms-blue);
  border-color: var(--ms-blue);
  color: white;
  font-weight: 500;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-microsoft:hover {
  background-color: var(--ms-blue-dark);
  border-color: var(--ms-blue-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(243, 174, 62, 0.3);
}

.btn-microsoft:focus {
  background-color: var(--ms-blue-dark);
  border-color: var(--ms-blue-dark);
  color: white;
  box-shadow: 0 0 0 3px rgba(243, 174, 62, 0.2);
}

.btn-microsoft:active {
  background-color: var(--ms-blue-dark);
  border-color: var(--ms-blue-dark);
  color: white;
  transform: translateY(0);
}

/* Microsoft Login Divider */
.auth-divider {
  position: relative;
  text-align: center;
  margin: 1.5rem 0;
}

.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--border-color);
}

.auth-divider-text {
  background-color: white;
  padding: 0 1rem;
  color: var(--text-light);
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}

/* Admin/Local Auth Section Styling */
.local-auth-section {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
}

.local-auth-section .form-label {
  color: var(--ms-gray);
}

.local-auth-section .btn-primary {
  background: linear-gradient(135deg, var(--ms-gray), #4a4a4a);
  border-color: var(--ms-gray);
}

/* Modal Centering and Positioning Fixes */
.modal {
  padding: 0 !important;
}

.modal-dialog {
  margin: 1.75rem auto;
  max-width: calc(100% - 3.5rem);
  display: flex;
  align-items: center;
  min-height: calc(100vh - 3.5rem);
}

.modal-dialog-centered {
  display: flex;
  align-items: center;
  min-height: calc(100vh - 3.5rem);
}

.modal-content {
  border-radius: 16px;
  border: none;
  box-shadow: var(--shadow-lg);
  width: 100%;
  position: relative;
}

.modal-header {
  border-radius: 16px 16px 0 0;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-bottom: none;
  padding: 1.25rem 1.5rem;
}

.modal-title {
  font-weight: 600;
  font-size: 1.25rem;
}

.modal-header .btn-close {
  filter: invert(1);
  opacity: 0.8;
}

.modal-header .btn-close:hover {
  opacity: 1;
}

.modal-body {
  padding: 1.5rem;
  max-height: 70vh;
  overflow-y: auto;
}

.modal-footer {
  border-top: 1px solid var(--border-color);
  border-radius: 0 0 16px 16px;
  padding: 1rem 1.5rem;
}

/* Ensure modals are centered on smaller screens */
@media (max-width: 768px) {
  .modal-dialog {
    margin: 1rem;
    max-width: calc(100% - 2rem);
    min-height: calc(100vh - 2rem);
  }
  
  .modal-body {
    max-height: 60vh;
    padding: 1rem;
  }
}

/* Ensure modal backdrop doesn't interfere */
.modal-backdrop {
  background-color: rgba(0, 0, 0, 0.6);
}

/* Fix page title readability */
.container h2 {
  -webkit-text-fill-color: var(--text-dark);
  color: var(--text-dark);
}