/* ===== CUSTOM COLOR PALETTE ===== */
:root {
  /* Primary Colors - Deep Blue/Teal Professional */
  --primary-color: #2c5f5d;        /* Deep teal-blue */
  --primary-light: #4a8280;        /* Lighter teal */
  --primary-dark: #1e4342;         /* Darker teal */
  
  /* Secondary Colors - Warm Accent */
  --secondary-color: #d4a574;      /* Warm gold/tan */
  --secondary-light: #e6c49a;      /* Light gold */
  --secondary-dark: #b8935e;       /* Dark gold */
  
  /* Neutral Colors */
  --background-color: #f7f9fc;     /* Very light blue-gray */
  --surface-color: #ffffff;        /* Pure white */
  --border-color: #e3eaf0;         /* Light border */
  
  /* Text Colors */
  --text-primary: #2d3748;         /* Dark gray-blue */
  --text-secondary: #4a5568;       /* Medium gray */
  --text-muted: #718096;           /* Light gray */
  
  /* Status Colors */
  --success-color: #48bb78;        /* Green */
  --warning-color: #ed8936;        /* Orange */
  --danger-color: #e53e3e;         /* Red */
  --info-color: #4299e1;           /* Blue */
}

/* ===== GENERAL STYLES ===== */
body {
  font-family: 'Inter', 'Segoe UI', 'Roboto', sans-serif;
  background-color: var(--background-color);
  color: var(--text-primary);
  line-height: 1.6;
}

/* ===== NAVBAR ===== */
.navbar {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  border-bottom: 3px solid var(--secondary-color);
  box-shadow: 0 2px 10px rgba(44, 95, 93, 0.15);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: white !important;
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
  color: var(--secondary-light) !important;
  transform: translateY(-1px);
}

/* ===== BUTTONS ===== */
.btn {
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s ease;
  border: none;
  padding: 0.6rem 1.2rem;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  color: white;
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: white;
}

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  color: white;
}

.btn-success {
  background-color: var(--success-color);
  color: white;
}

.btn-success:hover {
  background-color: #38a169;
  color: white;
}

.btn-outline-primary {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: white;
}

.btn-outline-danger {
  border: 2px solid var(--danger-color);
  color: var(--danger-color);
  background: transparent;
}

.btn-outline-danger:hover {
  background-color: var(--danger-color);
  color: white;
}

/* ===== TABLES ===== */
.table {
  border-radius: 12px;
  overflow: hidden;
  background-color: var(--surface-color);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
}

.table thead {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: white;
}

.table thead th {
  border: none;
  padding: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

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

.table-hover tbody tr:hover {
  background-color: rgba(74, 130, 128, 0.05);
  transform: scale(1.001);
  transition: all 0.2s ease;
}

.table tbody tr {
  transition: all 0.2s ease;
}

/* ===== CARDS ===== */
.card {
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background-color: var(--surface-color);
  box-shadow: 0 4px 20px rgba(44, 95, 93, 0.08);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 8px 30px rgba(44, 95, 93, 0.15);
  transform: translateY(-2px);
}

.card-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: white;
  border-bottom: none;
  padding: 1.25rem;
  font-weight: 600;
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

/* ===== BADGES ===== */
.badge {
  border-radius: 20px;
  padding: 0.5rem 1rem;
  font-weight: 500;
  font-size: 0.75rem;
}

.badge.bg-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
}

.badge.bg-success {
  background-color: var(--success-color) !important;
}

/* ===== LIST GROUPS ===== */
.list-group-item {
  border-color: var(--border-color);
  background-color: var(--surface-color);
  transition: all 0.3s ease;
}

.list-group-item:hover {
  background-color: rgba(74, 130, 128, 0.05);
  transform: translateX(4px);
}

.list-group-item-action:hover {
  background-color: rgba(74, 130, 128, 0.08);
}

/* ===== ALERTS ===== */
.alert {
  border-radius: 12px;
  border: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.alert-success {
  background-color: rgba(72, 187, 120, 0.1);
  color: #2f7d32;
  border-left: 4px solid var(--success-color);
}

.alert-danger {
  background-color: rgba(229, 62, 62, 0.1);
  color: #c62828;
  border-left: 4px solid var(--danger-color);
}

.alert-warning {
  background-color: rgba(237, 137, 54, 0.1);
  color: #e65100;
  border-left: 4px solid var(--warning-color);
}

.alert-info {
  background-color: rgba(66, 153, 225, 0.1);
  color: #1565c0;
  border-left: 4px solid var(--info-color);
}

/* ===== FORMS ===== */
.form-control {
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem;
  transition: all 0.3s ease;
  background-color: var(--surface-color);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(44, 95, 93, 0.15);
  background-color: var(--surface-color);
}

.form-label {
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

/* ===== BREADCRUMBS ===== */
.breadcrumb {
  background-color: transparent;
  padding: 0;
}

.breadcrumb-item + .breadcrumb-item::before {
  color: var(--text-muted);
}

.breadcrumb-item a {
  color: var(--primary-color);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  color: var(--primary-dark);
}

.breadcrumb-item.active {
  color: var(--text-secondary);
}

/* ===== FOOTER ===== */
.footer {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  color: rgba(255, 255, 255, 0.8);
  border-top: 3px solid var(--secondary-color);
}

.footer a {
  color: var(--secondary-light) !important;
  text-decoration: none;
}

.footer a:hover {
  color: white !important;
}

/* ===== CUSTOM UTILITIES ===== */
.shadow-custom {
  box-shadow: 0 8px 30px rgba(44, 95, 93, 0.12);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .card {
    border-radius: 12px;
  }
  
  .btn {
    padding: 0.5rem 1rem;
  }
  
  .table-responsive {
    border-radius: 12px;
  }
}