/* ===================================
   Modern Dashboard Theme
   Based on Reference Design
   =================================== */
:root {
  /* Primary Navy Sidebar Colors */
  --color-navy-darkest: #1a1d35;
  --color-navy-dark: #1e2139;
  --color-navy-medium: #252945;
  --color-navy-light: #2d3250;

  /* Main Content Colors */
  --color-bg-main: #f5f6fa;
  --color-surface: #ffffff;
  --color-border: #e4e7eb;
  --color-border-light: #f0f1f5;

  /* Vibrant Accent Colors (from reference) */
  --color-blue: #4d7cfe;
  --color-purple: #b24bf3;
  --color-green: #00d68f;
  --color-orange: #ff8c42;
  --color-cyan: #00d4ff;

  /* Text Colors */
  --color-text-primary: #2d3748;
  --color-text-secondary: #718096;
  --color-text-muted: #a0aec0;
  --color-text-white: #ffffff;
  --color-text-navy: #cbd5e0;

  /* Status Colors */
  --color-success: #00d68f;
  --color-warning: #ffc107;
  --color-danger: #ff5252;
  --color-info: #4d7cfe;

  /* Gradients */
  --gradient-blue: linear-gradient(135deg, #4d7cfe 0%, #6c8fff 100%);
  --gradient-purple: linear-gradient(135deg, #b24bf3 0%, #c77dff 100%);
  --gradient-green: linear-gradient(135deg, #00d68f 0%, #26e7a6 100%);
  --gradient-orange: linear-gradient(135deg, #ff8c42 0%, #ffa366 100%);
  --gradient-cyan: linear-gradient(135deg, #00d4ff 0%, #00f2ff 100%);
  --gradient-red: linear-gradient(135deg, #ff5252 0%, #ff8a8a 100%);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --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 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--color-bg-main);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* ===================================
   App Container & Layout
   =================================== */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* ===================================
   Sidebar - Navy Theme
   =================================== */
.sidebar {
  width: 260px;
  background: var(--color-navy-dark);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  transition: width var(--transition-base);
}

.sidebar.collapsed {
  width: 70px;
}

.sidebar.collapsed .sidebar-title,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .user-name,
.sidebar.collapsed .user-role,
.sidebar.collapsed .btn-logout span {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.sidebar-header {
  padding: var(--spacing-md) 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-white);
  letter-spacing: 1px;
}

.menu-toggle {
  background: transparent;
  border: none;
  color: var(--color-text-white);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-lg) 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.75rem;
  color: var(--color-text-navy);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: all var(--transition-base);
  position: relative;
  margin: 0 0.25rem;
  border-radius: var(--radius-md);
  white-space: nowrap;
}

.nav-item span {
  transition: opacity var(--transition-base), width var(--transition-base);
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-white);
}

.nav-item.active {
  background: var(--color-blue);
  color: var(--color-text-white);
  box-shadow: 0 4px 12px rgba(77, 124, 254, 0.3);
}

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
  font-weight: 700;
  font-size: 1rem;
}

.user-avatar svg {
  width: 24px;
  height: 24px;
}

.user-details {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-weight: 600;
  color: var(--color-text-white);
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 0.75rem;
  color: var(--color-text-navy);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-logout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md);
  background: rgba(255, 82, 82, 0.1);
  color: #ff8a8a;
  border: 1px solid rgba(255, 82, 82, 0.2);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  transition: all var(--transition-base);
}

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

/* ===================================
   Main Content Area
   =================================== */
.main-content {
  flex: 1;
  overflow-y: auto;
  background: var(--color-bg-main);
  display: flex;
  flex-direction: column;
}

.page-header {
  background: #1e3a8a;
  padding: 5px;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 10;
  height: 59px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.page-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  padding-left: 0.5rem;
}

.content-wrapper {
  flex: 1;
  padding: 0;
}

.view-header {
  margin-bottom: var(--spacing-2xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.view-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

/* ===================================
   Content Area - White Cards
   =================================== */
.content-area {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding-left: 0.5rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

/* ===================================
   Buttons - Colorful
   =================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--gradient-blue);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(77, 124, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(77, 124, 254, 0.4);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: white;
  color: var(--color-blue);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-secondary:hover {
  border-color: var(--color-blue);
  background: rgba(77, 124, 254, 0.05);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-success {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--gradient-green);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(0, 214, 143, 0.3);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 214, 143, 0.4);
}

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

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: var(--spacing-xs);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--color-text-secondary);
}

.btn-icon:hover {
  background: var(--color-bg-main);
  border-color: var(--color-blue);
  color: var(--color-blue);
  transform: translateY(-2px);
}

.btn-icon svg {
  width: 20px;
  height: 20px;
}

/* ===================================
   Badges - Colorful Labels
   =================================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-border-light);
  color: var(--color-text-secondary);
}

.badge-primary {
  background: rgba(77, 124, 254, 0.1);
  color: var(--color-blue);
}

.badge-active {
  background: rgba(0, 214, 143, 0.1);
  color: var(--color-green);
}

.badge-paused {
  background: rgba(255, 193, 7, 0.1);
  color: var(--color-warning);
}

.badge-due {
  background: rgba(255, 82, 82, 0.1);
  color: var(--color-danger);
}

.badge-admin {
  background: rgba(178, 75, 243, 0.1);
  color: var(--color-purple);
}

.badge-frequency {
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-cyan);
}

/* ===================================
   Tables - Clean Design
   =================================== */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  font-size: 0.875rem;
}

.data-table thead {
  background: var(--color-bg-main);
  border-bottom: 2px solid var(--color-border);
}

.data-table th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-primary);
}

.data-table tbody tr {
  transition: all var(--transition-fast);
}

.data-table tbody tr:hover {
  background: var(--color-bg-main);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* ===================================
   Forms - Modern Inputs
   =================================== */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-md);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: all var(--transition-base);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(77, 124, 254, 0.1);
}

/* ===================================
   Metrics Grid - Dashboard Cards
   =================================== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.metric-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-blue);
}

.metric-card:nth-child(2)::before {
  background: var(--gradient-purple);
}

.metric-card:nth-child(3)::before {
  background: var(--gradient-green);
}

.metric-card:nth-child(4)::before {
  background: var(--gradient-orange);
}

.metric-card:nth-child(5)::before {
  background: var(--gradient-cyan);
}

.metric-card:nth-child(6)::before {
  background: var(--gradient-red);
}

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

.metric-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-change {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-green);
}

.metric-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.metric-card:nth-child(1) .metric-value {
  color: var(--color-blue);
}

.metric-card:nth-child(2) .metric-value {
  color: var(--color-purple);
}

.metric-card:nth-child(3) .metric-value {
  color: var(--color-green);
}

.metric-card:nth-child(4) .metric-value {
  color: var(--color-orange);
}

.metric-card:nth-child(5) .metric-value {
  color: var(--color-cyan);
}

.metric-card:nth-child(6) .metric-value {
  color: var(--color-danger);
}

/* ===================================
   Login Page
   =================================== */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-main);
}

.login-box {
  width: 100%;
  max-width: 420px;
  padding: var(--spacing-2xl);
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.login-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  font-size: 0.875rem;
}

.btn-login {
  width: 100%;
  padding: var(--spacing-lg);
  background: var(--gradient-blue);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(77, 124, 254, 0.3);
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(77, 124, 254, 0.4);
}

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

::-webkit-scrollbar-track {
  background: var(--color-bg-main);
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
  .sidebar {
    width: 240px;
  }

  .main-content {
    padding: var(--spacing-xl);
  }
}

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

  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
  text-align: center;
}

.mt-1 {
  margin-top: var(--spacing-xs);
}

.mt-2 {
  margin-top: var(--spacing-sm);
}

.mt-3 {
  margin-top: var(--spacing-md);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

.mt-5 {
  margin-top: var(--spacing-xl);
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.mb-5 {
  margin-bottom: var(--spacing-xl);
}

/* ===================================
   Toggle Switch
   =================================== */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
  border-radius: 34px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

.toggle-switch input:checked+.toggle-slider {
  background-color: var(--color-blue);
}

.toggle-switch input:checked+.toggle-slider:before {
  transform: translateX(26px);
}

/* ============================================
   Administrator Section Divider
   ============================================ */
.nav-section-divider {
  margin: 1rem 0 0.25rem 0;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar.collapsed .nav-section-divider {
  display: none;
}

/* ============================================
   Data Tables Page Styles
   ============================================ */
.table-selector {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: white;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  cursor: pointer;
  min-width: 250px;
}

.table-selector:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.btn-icon-danger {
  color: #dc2626;
}

.btn-icon-danger:hover {
  background-color: #fee2e2;
  color: #991b1b;
}

.btn-danger {
  background-color: #dc2626;
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-danger:hover {
  background-color: #b91c1c;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

.modal-header h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  padding: 1.5rem;
  border-top: 1px solid var(--color-border);
}

/* ===================================
   Wizard & Step Indicator Styles
   =================================== */
.step-indicator {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-primary);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--color-text-secondary);
  z-index: 1;
  transition: all 0.3s;
}

.step-indicator.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: white;
}

.step-indicator.completed {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.wizard-step {
  display: none;
}

.wizard-step.active {
  display: block;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}