:root {
  /* Colors */
  --bg-light: #f4f7f6;
  --bg-panel: #ffffff;
  --text-primary: #2d3436;
  --text-secondary: #636e72;
  --primary-green: #00904a;
  --primary-green-dark: #007a3e;
  --secondary-yellow: #ffec00;
  --secondary-yellow-dark: #e6d500;
  --accent-red: #d63031;
  --accent-orange: #e17055;
  --border-color: #dfe6e9;

  /* Shadows & Radius */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --transition-fast: all 0.2s ease;
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  background-color: var(--bg-light);
  color: var(--text-primary);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin-bottom: 60px;
}

a {
  color: var(--primary-green);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: #006433;
  /* Darker green */
}

/* Navbar & Sidebar */
.navbar {
  background-color: #fff !important;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

#sidebar-wrapper {
  background: linear-gradient(180deg, var(--primary-green) 0%, var(--primary-green-dark) 100%) !important;
  border-right: none !important;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

#sidebar-wrapper .sidebar-heading {
  color: white !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
  padding: 1.5rem 1rem;
}

#sidebar-wrapper .list-group-item {
  color: rgba(255, 255, 255, 0.8) !important;
  background: transparent !important;
  border: none !important;
  padding: 12px 20px;
  font-size: 0.95rem;
  transition: all 0.2s;
}

#sidebar-wrapper .list-group-item:hover {
  background: rgba(255, 255, 255, 0.15) !important;
  color: #fff !important;
  padding-left: 1.75rem;
}

.active-menu {
  background: rgba(255, 255, 255, 0.2) !important;
  color: #fff !important;
  font-weight: 700 !important;
  border-left: 4px solid var(--secondary-yellow) !important;
  box-shadow: inset 4px 0 10px rgba(0, 0, 0, 0.1);
}

/* Cards */
.card,
.modal-content {
  background: var(--bg-panel);
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header,
.modal-header {
  background-color: white;
  border-bottom: 1px solid var(--border-color);
  border-top: 4px solid var(--primary-green);
  padding: 1.25rem 1.5rem;
  border-top-left-radius: var(--radius-md) !important;
  border-top-right-radius: var(--radius-md) !important;
}

.card-header h6,
.modal-title {
  color: var(--primary-green) !important;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin: 0;
}

/* Unified Button Styles */
.btn {
  border-radius: var(--radius-sm);
  padding: 0.5rem 1.25rem;
  font-weight: 600;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

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

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

.btn-warning {
  background-color: var(--secondary-yellow);
  border-color: var(--secondary-yellow);
  color: #2d3436;
}

.btn-warning:hover {
  background-color: var(--secondary-yellow-dark);
  border-color: var(--secondary-yellow-dark);
  color: #000;
}

.btn-danger {
  background-color: #fff;
  border-color: var(--accent-red);
  color: var(--accent-red);
}

.btn-danger:hover {
  background-color: var(--accent-red);
  border-color: var(--accent-red);
  color: white;
}

.btn-secondary {
  background-color: #f8f9fa;
  border-color: #dfe6e9;
  color: var(--text-secondary);
}

.btn-secondary:hover {
  background-color: #dfe6e9;
  border-color: #b2bec3;
  color: #2d3436;
}

/* Tables */
.table {
  color: var(--text-primary);
  background-color: white;
}

.table thead th {
  background-color: var(--primary-green);
  color: white;
  border-color: #007a3e;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.table-hover tbody tr:hover {
  background-color: rgba(255, 236, 0, 0.1);
  /* Light yellow hover */
}

/* Forms */
.form-control,
.form-select {
  background-color: white;
  border: 1px solid #ced4da;
  color: var(--text-primary);
}

.form-control:focus {
  border-color: var(--primary-green);
  box-shadow: 0 0 0 0.2rem rgba(0, 144, 74, 0.25);
}

/* Badge */
.badge-success {
  background-color: var(--primary-green);
  color: white;
}

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

/* Sidebar structure */
#wrapper {
  overflow-x: hidden;
  min-height: calc(100vh - 60px);
}

#sidebar-wrapper {
  min-height: 100%;
  margin-left: -15rem;
  -webkit-transition: margin .25s ease-out;
  -moz-transition: margin .25s ease-out;
  -o-transition: margin .25s ease-out;
  transition: margin .25s ease-out;
  border-right: 1px solid rgba(0, 0, 0, 0.1) !important;
}

#sidebar-wrapper .sidebar-heading {
  padding: 0.875rem 1.25rem;
  font-size: 1.2rem;
}

#sidebar-wrapper .list-group {
  width: 15rem;
}

#page-content-wrapper {
  min-width: 100vw;
}

#wrapper.toggled #sidebar-wrapper {
  margin-left: 0;
}

@media (min-width: 768px) {
  #sidebar-wrapper {
    margin-left: 0;
  }

  #page-content-wrapper {
    min-width: 0;
    width: 100%;
  }

  #wrapper.toggled #sidebar-wrapper {
    margin-left: -15rem;
  }
}

/* Utility */
.text-primary {
  color: var(--primary-green) !important;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-green);
}