/* Attendance Manager - Professional CSS Styles */
/* Author: MiniMax Agent */

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color Palette */
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary-color: #64748b;
  --accent-color: #059669;
  --warning-color: #dc2626;
  --success-color: #16a34a;
  --info-color: #0891b2;

  /* Neutral Colors - Dark Theme */
  --gray-50: #1e293b;
  --gray-100: #334155;
  --gray-200: #475569;
  --gray-300: #64748b;
  --gray-400: #94a3b8;
  --gray-500: #cbd5e1;
  --gray-600: #e2e8f0;
  --gray-700: #f1f5f9;
  --gray-800: #f8fafc;
  --gray-900: #ffffff;

  /* Status Colors */
  --present-color: #16a34a;
  --late-color: #ea580c;
  --absent-color: #dc2626;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1),
    0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1),
    0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Open Sans", "Helvetica Neue", sans-serif;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--gray-900);
  font-size: 14px;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--gray-900);
}

h1 {
  font-size: 2.25rem;
}
h2 {
  font-size: 1.875rem;
}
h3 {
  font-size: 1.5rem;
}
h4 {
  font-size: 1.25rem;
}
h5 {
  font-size: 1.125rem;
}
h6 {
  font-size: 1rem;
}

p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-sm);
}

/* Utility Classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center {
  text-align: center;
}
.text-right {
  text-align: right;
}
.font-bold {
  font-weight: 700;
}
.font-semibold {
  font-weight: 600;
}
.font-medium {
  font-weight: 500;
}

/* Loading Spinner */
.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--gray-300);
  border-top: 2px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  min-height: 2.5rem;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--gray-200);
  color: var(--gray-800);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--gray-300);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--gray-400);
  color: var(--gray-200);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--gray-100);
  border-color: var(--gray-500);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  min-height: 2rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  min-height: 3rem;
}

.btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  background-color: var(--gray-50);
  color: var(--gray-800);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

.form-error {
  color: var(--warning-color);
  font-size: 0.75rem;
  margin-top: var(--spacing-xs);
}

/* Login Page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  padding: var(--spacing-lg);
}

.login-container {
  width: 100%;
  max-width: 400px;
}

.login-card {
  background: var(--gray-100);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-300);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.app-logo {
  width: 4rem;
  height: 4rem;
  background: var(--primary-color);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  color: white;
}

.login-header h1 {
  font-size: 1.875rem;
  margin-bottom: var(--spacing-sm);
  color: var(--gray-900);
}

.login-header p {
  color: var(--gray-600);
  font-size: 0.875rem;
}

.login-form {
  margin-bottom: var(--spacing-lg);
}

.login-btn {
  width: 100%;
  margin-top: var(--spacing-lg);
  background: var(--primary-color);
  color: white;
  padding: 0.875rem;
  border-radius: var(--radius-md);
  border: none;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

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

.login-message {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  text-align: center;
}

.login-message.success {
  background-color: #f0fdf4;
  color: var(--success-color);
  border: 1px solid #bbf7d0;
}

.login-message.error {
  background-color: #fef2f2;
  color: var(--warning-color);
  border: 1px solid #fecaca;
}

.login-footer {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
}

.login-footer p {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin: 0;
}

/* Dashboard Layout */
.dashboard-page {
  display: flex;
  min-height: 100vh;
  background-color: var(--gray-50);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4rem;
  background: var(--gray-100);
  border-bottom: 1px solid var(--gray-300);
  padding: 0 var(--spacing-lg);
  z-index: 1000;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  color: var(--gray-900);
}

.nav-logo {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--primary-color);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  width: 1.5rem;
  height: 2px;
  background: var(--gray-700);
  transition: all var(--transition-fast);
}

/* Sidebar */
.sidebar {
  width: 16rem;
  background: var(--gray-100);
  border-right: 1px solid var(--gray-300);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  z-index: 1001;
  transition: transform var(--transition-normal);
}

.sidebar-header {
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--gray-200);
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.user-avatar {
  width: 3rem;
  height: 3rem;
  background: var(--primary-color);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.user-avatar svg {
  width: 1.5rem;
  height: 1.5rem;
}

.user-details {
  flex: 1;
}

.user-name {
  display: block;
  font-weight: 600;
  color: var(--gray-900);
  font-size: 0.875rem;
}

.user-role {
  display: block;
  color: var(--gray-500);
  font-size: 0.75rem;
}

/* Sidebar Navigation */
.sidebar-nav {
  flex: 1;
  padding: var(--spacing-lg);
  overflow-y: auto;
}

.nav-menu {
  list-style: none;
}

.nav-item {
  margin-bottom: var(--spacing-xs);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--gray-700);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-weight: 500;
  font-size: 0.875rem;
  position: relative;
}

.nav-link:hover {
  background-color: var(--gray-100);
  color: var(--gray-900);
}

.nav-link.loading {
  opacity: 0.6;
  pointer-events: none;
}

.nav-link.loading::after {
  content: "";
  position: absolute;
  right: var(--spacing-lg);
  width: 12px;
  height: 12px;
  border: 2px solid var(--gray-400);
  border-top: 2px solid var(--blue-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.nav-item.active .nav-link {
  background-color: var(--primary-color);
  color: white;
}

.nav-icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
}

.logout-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: none;
  border: none;
  color: var(--gray-600);
  font-size: 0.875rem;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.logout-btn:hover {
  background-color: var(--gray-100);
  color: var(--gray-900);
}

.logout-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 16rem;
  padding: var(--spacing-xl);
  min-height: 100vh;
}

.view-container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Views */
.view {
  display: none;
}

.view.active {
  display: block;
}

.view-header {
  margin-bottom: var(--spacing-2xl);
}

.view-header h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.view-header p {
  color: var(--gray-600);
  font-size: 1rem;
}

/* Dashboard Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.stat-card {
  background: var(--gray-100);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-300);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  transition: all var(--transition-fast);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.stat-icon {
  width: 3rem;
  height: 3rem;
  background: var(--primary-color);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.stat-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.stat-content h3 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-xs);
}

.stat-content p {
  color: var(--gray-600);
  font-size: 0.875rem;
  margin: 0;
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-lg);
}

.dashboard-card {
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-300);
  overflow: hidden;
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
}

/* Activity List */
.activity-list {
  padding: var(--spacing-lg);
}

.activity-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--gray-100);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--primary-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.activity-icon svg {
  width: 1rem;
  height: 1rem;
}

.activity-content {
  flex: 1;
}

.activity-text {
  font-weight: 500;
  color: var(--gray-900);
  margin: 0 0 var(--spacing-xs) 0;
}

.activity-time {
  font-size: 0.75rem;
  color: var(--gray-500);
}

/* Calendar Mini */
.calendar-mini {
  padding: var(--spacing-lg);
  min-height: 320px;
}

.calendar-header {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.calendar-header h4 {
  margin: 0;
  color: var(--gray-900);
  font-size: 1.1rem;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: var(--spacing-md);
}

.calendar-day-header {
  text-align: center;
  padding: var(--spacing-xs);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-600);
  background: var(--gray-200);
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: var(--radius-sm);
  background: var(--gray-50);
  color: var(--gray-900);
  border: 1px solid var(--gray-200);
}

.calendar-day:hover {
  background: var(--gray-100);
  border-color: var(--blue-300);
}

.calendar-day.empty {
  background: transparent;
  border: none;
  cursor: default;
}

.calendar-day.today {
  background: var(--blue-100);
  border-color: var(--blue-400);
  color: var(--blue-900);
  font-weight: 700;
}

.calendar-day.has-attendance {
  background: var(--green-100);
  border-color: var(--green-400);
}

.calendar-day.has-attendance:hover {
  background: var(--green-150);
}

.day-number {
  font-size: 0.875rem;
  font-weight: 500;
}

.attendance-indicator {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 12px;
  height: 12px;
  background: var(--green-500);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: white;
  font-weight: 600;
}

.calendar-legend {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-sm);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.75rem;
  color: var(--gray-600);
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  border: 1px solid var(--gray-300);
}

.legend-color.today {
  background: var(--blue-100);
  border-color: var(--blue-400);
}

.legend-color.attendance {
  background: var(--green-100);
  border-color: var(--green-400);
}

.calendar-error {
  text-align: center;
  color: var(--gray-600);
  padding: var(--spacing-xl);
}

.calendar-error p {
  margin: 0 0 var(--spacing-xs) 0;
  font-weight: 500;
}

.calendar-error small {
  font-size: 0.75rem;
  color: var(--gray-500);
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loading-content {
  background: var(--gray-100);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-xl);
}

.loading-content p {
  margin-top: var(--spacing-lg);
  color: var(--gray-600);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  background: var(--gray-100);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-300);
  min-width: 300px;
  animation: slideIn var(--transition-normal) ease-out;
}

.toast.success {
  border-left: 4px solid var(--success-color);
}

.toast.error {
  border-left: 4px solid var(--warning-color);
}

.toast.info {
  border-left: 4px solid var(--info-color);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  html,
  body {
    overflow-x: hidden;
    max-width: 100vw;
    width: 100%;
  }

  .mobile-nav {
    display: flex;
  }

  .sidebar {
    transform: translateX(-100%);
  }

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

  .main-content {
    margin-left: 0;
    padding: 5rem var(--spacing-sm) var(--spacing-lg);
    width: 100%;
    max-width: 100vw;
    box-sizing: border-box;
    overflow-x: hidden;
  }

  .view-container {
    max-width: 100%;
    width: 100%;
    padding: 0;
    box-sizing: border-box;
    overflow-x: hidden;
  }

  .view {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .salary-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .summary-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .toast-container {
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    top: 5rem;
  }

  .toast {
    min-width: auto;
    max-width: 100%;
  }

  /* Ensure all content fits within viewport */
  .dashboard-card,
  .stat-card,
  .management-section,
  .backup-section,
  .import-section {
    width: 100%;
    box-sizing: border-box;
    margin-left: 0;
    margin-right: 0;
  }

  /* Fix table responsiveness */
  .table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .table {
    min-width: 100%;
    white-space: nowrap;
  }

  /* Fix form elements */
  .form-control,
  .form-input,
  .form-select {
    width: 100%;
    box-sizing: border-box;
  }

  /* Fix button layouts */
  .control-actions,
  .export-buttons,
  .import-actions {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .control-actions .btn,
  .export-buttons .btn,
  .import-actions .btn {
    width: 100%;
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .main-content {
    padding: 5rem var(--spacing-sm) var(--spacing-md);
  }

  .stat-card {
    padding: var(--spacing-lg);
  }

  .stat-icon {
    width: 2.5rem;
    height: 2.5rem;
  }

  .stat-content h3 {
    font-size: 1.5rem;
  }
}

/* Management Forms and Sections */
.management-section {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.management-section h3 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-lg);
  font-size: 1.25rem;
  font-weight: 600;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  font-weight: 500;
  color: var(--gray-700);
  font-size: 0.875rem;
}

.form-control {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  background: var(--gray-50);
  color: var(--gray-900);
  font-size: 0.875rem;
  transition: all 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control::placeholder {
  color: var(--gray-400);
}

/* Attendance Styles */
.attendance-form {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.students-attendance-list {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-lg);
  overflow-x: auto;
}

.students-attendance-list h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--gray-900);
}

.attendance-table {
  margin-top: var(--spacing-lg);
}

.attendance-table th,
.attendance-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
}

.attendance-table th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-700);
}

.attendance-table input[type="radio"] {
  margin: 0;
  transform: scale(1.2);
}

.save-attendance-section {
  margin-top: var(--spacing-lg);
  text-align: center;
}

/* Salary Styles */
.salary-form {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.salary-results {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
}

.salary-summary h3 {
  color: var(--gray-900);
  margin-bottom: var(--spacing-lg);
}

.salary-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.stat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--gray-50);
  border-radius: var(--border-radius);
}

.stat-label {
  font-weight: 500;
  color: var(--gray-600);
}

.stat-value {
  font-weight: 600;
  color: var(--gray-900);
}

.salary-breakdown {
  margin-top: var(--spacing-lg);
  overflow-x: auto;
}

/* Table Styles */
.table-responsive {
  overflow-x: auto;
  margin-top: var(--spacing-lg);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--gray-50);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.table th,
.table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.table th {
  background: var(--gray-100);
  font-weight: 600;
  color: var(--gray-700);
}

.table tbody tr:hover {
  background: var(--gray-50);
}

/* Button Styles */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.75rem;
}

.btn-success {
  background: var(--success-600);
  color: white;
  border: 1px solid var(--success-600);
}

.btn-success:hover {
  background: var(--success-700);
  border-color: var(--success-700);
}

.btn-danger {
  background: var(--danger-600);
  color: white;
  border: 1px solid var(--danger-600);
}

.btn-danger:hover {
  background: var(--danger-700);
  border-color: var(--danger-700);
}

/* Summary Styles */
.summary-stats {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.summary-item {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--gray-50);
  border-radius: var(--border-radius);
}

.summary-item h4 {
  color: var(--gray-600);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.summary-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-600);
  margin: 0;
}

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

  .main-content {
    margin-left: 0;
    padding: 0;
  }

  .view {
    display: block !important;
  }
}

/* Dark Mode Support (Optional) */
@media (prefers-color-scheme: dark) {
  :root {
    --gray-50: #0f172a;
    --gray-100: #1e293b;
    --gray-200: #334155;
    --gray-300: #475569;
    --gray-400: #64748b;
    --gray-500: #94a3b8;
    --gray-600: #cbd5e1;
    --gray-700: #e2e8f0;
    --gray-800: #f1f5f9;
    --gray-900: #f8fafc;
  }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 4px;
}

/* Date Input Styling */
input[type="date"],
input[type="datetime-local"],
input[type="time"] {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: var(--gray-50);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  color: var(--gray-900);
  transition: all var(--transition-fast);
}

input[type="date"]:focus,
input[type="datetime-local"]:focus,
input[type="time"]:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background: var(--gray-100);
}

input[type="date"]::-webkit-calendar-picker-indicator {
  color: var(--gray-600);
  cursor: pointer;
  padding: 2px;
  background: var(--gray-200);
  border-radius: 2px;
  margin-left: 4px;
}

input[type="date"]::-webkit-calendar-picker-indicator:hover {
  background: var(--gray-300);
}

/* Calendar Modal Styles */
.calendar-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.calendar-modal-content {
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    transform: scale(0.9) translateY(-20px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.calendar-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: var(--spacing-md);
}

.calendar-modal-header h3 {
  margin: 0;
  color: var(--gray-900);
  font-size: 1.25rem;
}

.close-modal {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gray-500);
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.close-modal:hover {
  background: var(--gray-200);
  color: var(--gray-700);
}

.attendance-details {
  display: grid;
  gap: var(--spacing-md);
}

.attendance-summary-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
}

.attendance-summary-card h4 {
  margin: 0 0 var(--spacing-md) 0;
  color: var(--gray-900);
  font-size: 1rem;
}

.attendance-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--gray-100);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  display: block;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--gray-600);
  text-transform: uppercase;
  font-weight: 500;
}

.attendance-list {
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  background: var(--gray-50);
}

.attendance-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--gray-200);
  transition: background-color var(--transition-fast);
}

.attendance-item:hover {
  background: var(--gray-100);
}

.attendance-item:last-child {
  border-bottom: none;
}

.student-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.status-badge {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.status-present {
  background: var(--green-100);
  color: var(--green-800);
}

.status-late {
  background: var(--yellow-100);
  color: var(--yellow-800);
}

.status-absent {
  background: var(--red-100);
  color: var(--red-800);
}

.calendar-day.has-attendance {
  cursor: pointer;
}

.calendar-day.has-attendance:hover {
  background: var(--green-150);
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* Import views-specific styles */
@import url("./views.css");

/* User Management Styles */
.users-list {
  margin-top: 1rem;
}

.user-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  transition: all 0.2s ease;
}

.user-item:hover {
  background: var(--surface-hover);
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-info strong {
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.user-info small {
  color: var(--text-secondary);
}

.user-actions {
  display: flex;
  gap: 0.5rem;
}

.user-actions .btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
}

.danger-zone {
  border: 2px solid var(--warning, #f59e0b);
  background: rgba(245, 158, 11, 0.05);
  border-radius: 8px;
  padding: 1.5rem;
  margin-top: 2rem;
}

.danger-zone h3 {
  color: var(--warning, #f59e0b);
  margin-bottom: 1rem;
}

.danger-zone p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background: var(--surface);
  border-radius: 12px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
}

.btn-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.btn-close:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
}

.modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 1.5rem;
}

.modal-actions .btn {
  min-width: 80px;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Button variants */
.btn-success {
  background: var(--success, #10b981);
  color: white;
}

.btn-success:hover {
  background: var(--success-dark, #059669);
}

.btn-warning {
  background: var(--warning, #f59e0b);
  color: white;
}

.btn-warning:hover {
  background: var(--warning-dark, #d97706);
}

.btn-danger {
  background: var(--error, #ef4444);
  color: white;
}

.btn-danger:hover {
  background: var(--error-dark, #dc2626);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .user-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .user-actions {
    width: 100%;
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .modal-content {
    width: 95%;
    margin: 1rem;
  }

  .modal-actions {
    flex-direction: column-reverse;
  }

  .modal-actions .btn {
    width: 100%;
  }
}

/* Export Buttons */
.export-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.export-buttons .btn {
  flex: 1;
  min-width: 150px;
}

/* Backup & Restore Styles */
.backup-restore-content {
  display: grid;
  gap: 2rem;
  max-width: 800px;
}

.backup-section,
.import-section {
  background: var(--gray-100);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.export-options,
.import-options {
  margin: 1.5rem 0;
}

.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

.checkbox-label:hover {
  background-color: var(--gray-100);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.file-upload {
  margin: 1.5rem 0;
  position: relative;
}

.file-input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.file-label {
  display: block;
  padding: 1rem;
  background: var(--background-color, #f8f9fa);
  border: 2px dashed var(--border-color, #dee2e6);
  border-radius: 8px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.file-label:hover {
  background: var(--surface-color, #e9ecef);
  border-color: var(--primary-color, #007bff);
}

.file-name {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-muted, #6c757d);
  text-align: center;
}

.import-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.import-actions .btn {
  flex: 1;
  min-width: 140px;
}

.backup-info {
  background: var(--background-color, #f8f9fa);
  padding: 1.5rem;
  border-radius: 8px;
  border-left: 4px solid var(--primary-color, #007bff);
}

.backup-info h4 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--text-color, #333);
}

.backup-info ul {
  margin: 0;
  padding-left: 1.5rem;
}

.backup-info li {
  margin-bottom: 0.5rem;
  color: var(--text-muted, #666);
}

.validation-result {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--surface-color, #ffffff);
  border-radius: 8px;
  border: 1px solid var(--border-color, #dee2e6);
}

.validation-result h4 {
  margin-top: 0;
  margin-bottom: 1rem;
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert-error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.alert-warning {
  background-color: #fff3cd;
  color: #856404;
  border: 1px solid #ffeaa7;
}

.validation-result ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.validation-result li {
  margin-bottom: 0.5rem;
}

.validation-result li.warning {
  color: #856404;
}

.validation-result li.error {
  color: #721c24;
}

/* Mobile Responsive for Backup & Restore */
@media (max-width: 768px) {
  .backup-restore-content {
    gap: 1.5rem;
    max-width: 100%;
    padding: 0 var(--spacing-sm);
  }

  .backup-section,
  .import-section {
    padding: 1.5rem;
    width: 100%;
    box-sizing: border-box;
  }

  .checkbox-group {
    grid-template-columns: 1fr;
  }

  .import-actions {
    flex-direction: column;
  }

  .import-actions .btn {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .export-buttons {
    flex-direction: column;
  }

  .export-buttons .btn {
    width: 100%;
  }
}