/* Simple and Clean Shift Management System Styles */

/* Basic CSS Variables for Consistency */
:root {
  --primary-color: #0066cc;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --info-color: #17a2b8;
  
  --text-color: #333;
  --text-muted: #666;
  --bg-light: #f8f9fa;
  --border-color: #dee2e6;
  
  --sidebar-bg: #343a40;
  --sidebar-text: #fff;
  
  --border-radius: 0.375rem;
  --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f0fdf4;
    margin: 0;
    padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
}

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

a:hover {
  color: #0056b3;
  text-decoration: underline;
}

/* Sidebar Styles */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  background-color: var(--sidebar-bg);
  overflow-y: auto;
  z-index: 1000;
}

.sidebar .position-sticky {
  padding: 1.5rem 0;
}

.sidebar h4 {
  color: var(--sidebar-text);
  text-align: center;
  margin-bottom: 2rem;
  padding: 0 1rem;
}

.sidebar .nav-link {
  color: rgba(255, 255, 255, 0.8);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  border: none;
  border-radius: 0;
}

.sidebar .nav-link:hover {
  color: var(--sidebar-text);
  background-color: rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

.sidebar .nav-link.active {
  color: var(--sidebar-text);
  background-color: var(--primary-color);
}

.sidebar .nav-link i {
  width: 1.5rem;
  margin-right: 0.75rem;
}

.sidebar h6 {
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  font-size: 0.75rem;
  margin: 1.5rem 1.5rem 0.5rem;
  letter-spacing: 0.05em;
}

/* Additional sidebar styles for better visibility */
.text-sidebar {
  color: rgba(255, 255, 255, 0.8) !important;
}

.text-sidebar-hover:hover {
  color: rgba(255, 255, 255, 1) !important;
}

/* Main Content */
main {
  margin-left: 280px;
  padding: 2rem;
  min-height: 100vh;
  background-color: #ffffff;
}

/* Page Header */
.page-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
  margin-bottom: 0.5rem;
}

/* Dashboard Specific Styles */
.dashboard-card {
  background: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
  border-left: 4px solid transparent;
  transition: all 0.3s ease;
}

.dashboard-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 .5rem 1rem rgba(0,0,0,.15)!important;
}

.dashboard-card.border-left-primary {
  border-left-color: var(--primary-color);
}

.dashboard-card.border-left-success {
  border-left-color: var(--success-color);
}

.dashboard-card.border-left-info {
  border-left-color: var(--info-color);
}

.dashboard-card.border-left-warning {
  border-left-color: var(--warning-color);
}

.dashboard-card h3 {
  color: var(--text-color);
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.dashboard-card p {
  color: var(--text-muted);
  margin-bottom: 0;
  font-size: 0.875rem;
}

.dashboard-card .card-footer {
  background-color: rgba(0,0,0,.03);
  border-top: 1px solid rgba(0,0,0,.125);
  padding: .75rem 1.25rem;
  margin: -1.5rem -1.5rem 0;
  margin-top: 1rem;
}

.dashboard-card .card-footer a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
}

.dashboard-card .card-footer a:hover {
  color: var(--primary-color);
}

.small-box-footer {
  display: block;
  text-align: center;
}

/* Typography Utilities */
.text-xs {
  font-size: .7rem;
}

.font-weight-bold {
  font-weight: 700!important;
}

.text-uppercase {
  text-transform: uppercase!important;
}

.text-gray-300 {
  color: #d1d3e2!important;
}

.text-gray-800 {
  color: #5a5c69!important;
}

/* Layout Utilities */
.no-gutters {
  margin-right: 0;
  margin-left: 0;
}

.no-gutters > .col,
.no-gutters > [class*="col-"] {
  padding-right: 0;
  padding-left: 0;
}

.mr-2 {
  margin-right: .5rem!important;
}

.me-2 {
  margin-right: .5rem!important;
}

/* Breadcrumb */
.breadcrumb {
  background: transparent;
  padding: 0;
  margin: 0;
  font-size: 0.875rem;
}

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

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

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

/* Cards */
.card {
  background: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: var(--border-radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-bottom: 1.5rem;
}

.card-header {
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  font-weight: 600;
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  background-color: var(--bg-light);
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.15s ease-in-out;
}

.btn:hover {
  text-decoration: none;
}

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

.btn-primary:hover {
  color: #fff;
  background-color: #0056b3;
  border-color: #004085;
}

.btn-secondary {
  color: #fff;
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
}

.btn-secondary:hover {
  color: #fff;
  background-color: #545b62;
  border-color: #4e555b;
}

.btn-success {
  color: #fff;
  background-color: var(--success-color);
  border-color: var(--success-color);
}

.btn-success:hover {
  color: #fff;
  background-color: #218838;
  border-color: #1e7e34;
}

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

.btn-danger:hover {
  color: #fff;
  background-color: #c82333;
  border-color: #bd2130;
}

.btn-warning {
  color: #212529;
  background-color: var(--warning-color);
  border-color: var(--warning-color);
}

.btn-warning:hover {
  color: #212529;
  background-color: #e0a800;
  border-color: #d39e00;
}

.btn-info {
  color: #fff;
  background-color: var(--info-color);
  border-color: var(--info-color);
}

.btn-info:hover {
  color: #fff;
  background-color: #138496;
  border-color: #117a8b;
}

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

.btn-outline-primary:hover {
  color: #fff;
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-outline-secondary {
  color: var(--secondary-color);
  border-color: var(--secondary-color);
  background-color: transparent;
}

.btn-outline-secondary:hover {
  color: #fff;
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Forms */
.form-label {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.form-control,
.form-select {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--text-color);
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus,
.form-select:focus {
  color: var(--text-color);
  background-color: #fff;
  border-color: var(--primary-color);
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

.form-text {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.invalid-feedback {
  display: none;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--danger-color);
}

.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--danger-color);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
  border-color: var(--danger-color);
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.form-control.is-invalid ~ .invalid-feedback,
.was-validated .form-control:invalid ~ .invalid-feedback,
.was-validated .form-select:invalid ~ .invalid-feedback {
  display: block;
}

/* Tables */
.table {
  width: 100%;
  margin-bottom: 1rem;
  color: var(--text-color);
  vertical-align: top;
  border-color: var(--border-color);
}

.table th,
.table td {
  padding: 0.75rem;
  vertical-align: top;
  border-top: 1px solid var(--border-color);
}

.table thead th {
  vertical-align: bottom;
  border-bottom: 2px solid var(--border-color);
  font-weight: 600;
  background-color: var(--bg-light);
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.table-responsive {
  overflow-x: auto;
}

.table-sm th,
.table-sm td {
  padding: 0.3rem;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 0.375rem;
}

.bg-primary { background-color: var(--primary-color) !important; color: #fff !important; }
.bg-secondary { background-color: var(--secondary-color) !important; color: #fff !important; }
.bg-success { background-color: var(--success-color) !important; color: #fff !important; }
.bg-danger { background-color: var(--danger-color) !important; color: #fff !important; }
.bg-warning { background-color: var(--warning-color) !important; color: #212529 !important; }
.bg-info { background-color: var(--info-color) !important; color: #fff !important; }

/* Alerts */
.alert {
  position: relative;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
}

.alert-success {
  color: #155724;
  background-color: #d4edda;
  border-color: #c3e6cb;
}

.alert-info {
  color: #0c5460;
  background-color: #d1ecf1;
  border-color: #bee5eb;
}

.alert-warning {
  color: #856404;
  background-color: #fff3cd;
  border-color: #ffeaa7;
}

.alert-danger {
  color: #721c24;
  background-color: #f8d7da;
  border-color: #f5c6cb;
}

.alert-dismissible {
  padding-right: 4rem;
}

.alert-dismissible .btn-close {
  position: absolute;
  top: 0;
  right: 0;
  padding: 1.25rem 1rem;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* Progress Bars */
.progress {
  display: flex;
  height: 1rem;
  overflow: hidden;
  font-size: 0.75rem;
  background-color: #e9ecef;
  border-radius: var(--border-radius);
}

.progress-bar {
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  color: #fff;
  text-align: center;
  white-space: nowrap;
  background-color: var(--primary-color);
  transition: width 0.6s ease;
}

.progress-bar.bg-success { background-color: var(--success-color) !important; }
.progress-bar.bg-warning { background-color: var(--warning-color) !important; }
.progress-bar.bg-danger { background-color: var(--danger-color) !important; }
.progress-bar.bg-info { background-color: var(--info-color) !important; }

/* Modal */
.modal-content {
  background-color: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.modal-header {
  background-color: #f8f9fa;
  color: var(--text-color);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

.modal-title {
  margin: 0;
  font-weight: 600;
  color: var(--text-color);
}

.modal-body {
  padding: 1.5rem;
  background-color: #ffffff;
}

.modal-footer {
  background-color: var(--bg-light);
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

.btn-close {
  color: var(--text-color);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0.5;
}

.btn-close:hover {
  opacity: 0.8;
}

/* Dropdown */
.dropdown-menu {
  background-color: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.dropdown-item {
  padding: 0.5rem 1rem;
  color: var(--text-color);
  text-decoration: none;
  display: block;
}

.dropdown-item:hover {
  color: var(--text-color);
  background-color: var(--bg-light);
  text-decoration: none;
}

.dropdown-item.active {
  color: #fff;
  background-color: var(--primary-color);
}

/* Calendar Specific Styles */
#calendar {
  background-color: #ffffff;
  padding: 1rem;
  border-radius: var(--border-radius);
}

.fc-toolbar {
  margin-bottom: 1.5rem !important;
}

.fc-toolbar-title {
  font-size: 1.5rem !important;
  font-weight: 600 !important;
  color: var(--text-color) !important;
}

.fc-button {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: #fff !important;
  font-size: 0.875rem !important;
  padding: 0.375rem 0.75rem !important;
  font-weight: 500 !important;
}

.fc-button:hover {
  background-color: #0056b3 !important;
  border-color: #0056b3 !important;
}

.fc-button-active {
  background-color: #004085 !important;
  border-color: #004085 !important;
}

.fc-today-button:disabled {
  opacity: 0.5;
}

.fc-daygrid-day {
  background-color: #ffffff;
  border: 1px solid #e0e0e0 !important;
}

.fc-daygrid-day:hover {
  background-color: #f8f9fa;
  cursor: pointer;
}

.fc-daygrid-day.fc-day-today {
  background-color: #e3f2fd !important;
}

.fc-daygrid-day-number {
  color: var(--text-color);
  font-weight: 500;
}

.fc-event {
  border: none !important;
  padding: 2px 4px !important;
  font-size: 0.75rem !important;
  font-weight: 500 !important;
  border-radius: 3px !important;
  margin-bottom: 2px !important;
}

.fc-event-title {
  font-weight: 500 !important;
}

.fc-event-time {
  font-weight: normal !important;
}

/* Calendar Shift Type Colors */
.fc-event.shift-normal,
.badge.shift-normal { 
  background-color: var(--primary-color) !important; 
  color: #fff !important;
}

.fc-event.shift-holiday,
.badge.shift-holiday { 
  background-color: var(--warning-color) !important; 
  color: #212529 !important;
}

.fc-event.shift-weekend,
.badge.shift-weekend { 
  background-color: var(--info-color) !important; 
  color: #fff !important;
}

.fc-event.shift-paid-leave,
.badge.shift-paid-leave { 
  background-color: var(--success-color) !important; 
  color: #fff !important;
}

.fc-event.shift-unpaid-leave,
.badge.shift-unpaid-leave { 
  background-color: var(--secondary-color) !important; 
  color: #fff !important;
}

.fc-event.shift-vacation,
.badge.shift-vacation { 
  background-color: #20c997 !important; 
  color: #fff !important;
}

.fc-event.shift-illness,
.badge.shift-illness { 
  background-color: var(--danger-color) !important; 
  color: #fff !important;
}

/* Calendar Loading State */
#calendarLoading {
  background-color: rgba(255, 255, 255, 0.9);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 100;
  border-radius: var(--border-radius);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  background-color: #ffffff;
}

.empty-state i {
  font-size: 4rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h5 {
  color: var(--text-color);
  margin-bottom: 1rem;
}

.empty-state p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Utility Classes */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: #856404 !important; }
.text-info { color: var(--info-color) !important; }
.text-muted { color: var(--text-muted) !important; }

.text-center { text-align: center !important; }

.border-primary { border-color: var(--primary-color) !important; }
.border-secondary { border-color: var(--secondary-color) !important; }
.border-success { border-color: var(--success-color) !important; }
.border-danger { border-color: var(--danger-color) !important; }
.border-warning { border-color: var(--warning-color) !important; }
.border-info { border-color: var(--info-color) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }

.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }

.py-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
.py-4 { padding-top: 1.5rem !important; padding-bottom: 1.5rem !important; }

/* Loading Spinner */
.loading {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  border: 3px solid #f3f3f3;
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 2s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Form Validation Styles */
.was-validated .form-control:valid,
.was-validated .form-select:valid {
  border-color: var(--success-color);
}

.was-validated .form-control:valid:focus,
.was-validated .form-select:valid:focus {
  border-color: var(--success-color);
  box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

/* Responsive Design */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
  }

  .sidebar.show {
    transform: translateX(0);
  }

  main {
    margin-left: 0;
    padding: 1rem;
  }

  .dashboard-card {
    margin-bottom: 1rem;
  }

  .card-body {
    padding: 1rem;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    margin-bottom: 0.5rem;
    border-radius: var(--border-radius) !important;
  }
  
  .fc-toolbar {
    flex-direction: column;
  }
  
  .fc-toolbar-chunk {
    margin: 0.5rem 0;
  }
}

/* Print Styles */
@media print {
  .sidebar,
  .btn,
  .alert,
  nav {
    display: none !important;
  }

  main {
    margin-left: 0 !important;
    padding: 0 !important;
  }

  .card {
    border: 1px solid #000;
    box-shadow: none;
    margin-bottom: 1rem;
  }
}

/* Focus States for Accessibility */
:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background-color: var(--primary-color);
  color: #fff;
}

/* Additional fixes for better readability */
.form-control:disabled,
.form-select:disabled {
  background-color: #e9ecef;
}

.table-responsive {
  background-color: #ffffff;
}

/* Fix for Period Cards */
.period-card-stats {
  background-color: #f8f9fa;
  padding: 0.75rem;
  border-radius: 0.25rem;
  margin-top: 0.5rem;
}

/* Custom scrollbar for better aesthetics */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* Grouped Shifts Accordion Styles */
#groupedShiftsAccordion .accordion-item {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

#groupedShiftsAccordion .accordion-button {
  background-color: var(--bg-light);
  font-weight: 500;
  padding: 1rem 1.25rem;
  transition: all 0.2s ease;
}

#groupedShiftsAccordion .accordion-button:not(.collapsed) {
  background-color: #e7f1ff;
  color: var(--primary-color);
  box-shadow: none;
}

#groupedShiftsAccordion .accordion-button:hover {
  background-color: #f0f0f0;
}

#groupedShiftsAccordion .accordion-button:focus {
  box-shadow: none;
  border-color: var(--primary-color);
}

#groupedShiftsAccordion .accordion-body {
  padding: 0;
}

/* Enhanced Table Styling for Shifts */
.table-shifts {
  margin-bottom: 0;
}

.table-shifts th {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  background-color: #f8f9fa;
  border-bottom-width: 2px;
  white-space: nowrap;
}

.table-shifts td {
  vertical-align: middle;
}

.table-shifts .shift-date-cell {
  white-space: nowrap;
}

.table-shifts .shift-worker-cell {
  font-weight: 500;
}

/* Shifts Summary Statistics */
.shifts-summary {
  background-color: #f8f9fa;
  border-radius: var(--border-radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

.shifts-summary .stat-item {
  text-align: center;
  padding: 0.5rem;
}

.shifts-summary .stat-value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

.shifts-summary .stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* Enhanced Badge Styles for Shift Types */
.badge.shift-type {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  font-weight: 500;
  border-radius: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Filter Card Enhancements */
.filter-card {
  background-color: #f8f9fa;
  border: 1px solid #e0e0e0;
  transition: all 0.3s ease;
}

.filter-card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.filter-card .form-label {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

/* Animation Classes */
.animate-fade-in {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Table for Mobile */
@media (max-width: 768px) {
  .table-responsive-stack tr {
    display: block;
    border: 1px solid #ccc;
    margin-bottom: 10px;
    border-radius: var(--border-radius);
  }
  
  .table-responsive-stack td {
    display: block;
    text-align: right;
    padding-left: 50%;
    position: relative;
    border: none;
  }
  
  .table-responsive-stack td:before {
    content: attr(data-label);
    position: absolute;
    left: 6px;
    width: 45%;
    text-align: left;
    font-weight: 600;
  }
}

/* Summary Cards Grid */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.summary-card {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  text-align: center;
  transition: all 0.2s ease;
}

.summary-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.summary-card .value {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.summary-card .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* Group Header Enhancement */
.group-header {
  background-color: #f8f9fa;
  border-left: 4px solid var(--primary-color);
  padding: 1rem;
  margin-bottom: 0.5rem;
  border-radius: var(--border-radius);
}

.group-header h6 {
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.group-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
}

.group-stat {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Filter Reset Button */
.filter-reset {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
}

/* Modern Period Selector Modal Styles */
#periodSelectorModal .modal-dialog {
  max-width: 800px;
}

#periodSelectorModal .modal-content {
  border: none;
  overflow: hidden;
}

#periodSelectorModal .modal-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  padding: 1.5rem;
}

#periodSelectorModal .modal-header h4 {
  color: white;
  margin-bottom: 0.25rem;
}

#periodSelectorModal .modal-header p {
  margin-bottom: 0;
  opacity: 0.9;
}

#periodSelectorModal .btn-close-white {
  filter: brightness(0) invert(1);
  opacity: 0.8;
}

#periodSelectorModal .btn-close-white:hover {
  opacity: 1;
}

/* Period Cards in Modal */
.period-card {
  transition: all 0.3s ease;
  border-width: 2px;
  cursor: pointer;
  height: 100%;
}

.period-card:hover {
  transform: translateY(-3px);
  border-color: #667eea !important;
}

.period-card.border-success {
  border-color: var(--success-color) !important;
}

.period-card.border-primary {
  border-color: var(--primary-color) !important;
}

.period-card.border-secondary {
  border-color: var(--secondary-color) !important;
}

.hover-shadow:hover {
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

/* Period Modal Navigation Pills */
#periodSelectorModal .nav-pills .nav-link {
  border-radius: 20px;
  padding: 0.5rem 1.5rem;
  transition: all 0.3s ease;
  color: var(--text-color);
  background-color: transparent;
  border: 1px solid var(--border-color);
  margin: 0 0.25rem;
}

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

#periodSelectorModal .nav-pills .nav-link.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-color: transparent;
}

/* Period Card Content */
.period-card .card-title {
  font-size: 1.1rem;
  color: var(--text-color);
}

.period-card .badge {
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
}

.period-card .progress {
  background-color: rgba(40, 167, 69, 0.1);
}

.period-card .progress-bar {
  background-color: var(--success-color);
}

/* Loading State for Period Modal */
#periodSelectorContent .spinner-border {
  color: #667eea;
}

/* Responsive Modal */
@media (max-width: 768px) {
  #periodSelectorModal .modal-dialog {
    margin: 0.5rem;
  }
  
  #periodSelectorModal .period-card {
    margin-bottom: 0.5rem;
  }
  
  #periodSelectorModal .nav-pills {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  #periodSelectorModal .nav-pills .nav-link {
    white-space: nowrap;
  }
}

/* Highlight Animation for Worker Rows */
.pulse-highlight {
  animation: pulse 1s ease-in-out 3;
}

@keyframes pulse {
  0% {
    background-color: rgba(255, 193, 7, 0.2);
    transform: scale(1);
  }
  50% {
    background-color: rgba(255, 193, 7, 0.4);
    transform: scale(1.003);
  }
  100% {
    background-color: rgba(255, 193, 7, 0.2);
    transform: scale(1);
  }
}

/* Sidebar Toggle Button */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1100;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: 0.5rem 0.75rem;
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.sidebar-toggle:hover {
  background-color: #0056b3;
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
  .sidebar-toggle {
    display: block;
  }
}

/* Sidebar Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

body.sidebar-open .sidebar-overlay {
  display: block;
  opacity: 1;
}