/* Modern Design System - CSS Variables */
:root {
/* Primary Color Palette (Purple Core) */
--primary-50:  #f5f3ff;  /* very light lavender tint */
--primary-100: #ede9fe;  /* soft lavender */
--primary-200: #ddd6fe;  /* muted lilac */
--primary-300: #c4b5fd;  /* light violet */
--primary-400: #a78bfa;  /* bright lavender */
--primary-500: #7c3aed;  /* vivid purple */
--primary-600: #5A00FF;  /* your chosen electric purple */
--primary-700: #4c00d1;  /* deep royal purple */
--primary-800: #3b0a91;  /* rich indigo-purple */
--primary-900: #2e0b68;  /* dark grape */

  /* Neutral Color Palette (Dark Mode First) */
--neutral-50:  #f4f4f5;   /* near-white with a hint of cool grey */
--neutral-100: #e4e4e7;   /* light grey */
--neutral-200: #d4d4d8;   /* subtle lavender-grey */
--neutral-300: #a1a1aa;   /* muted mid-grey */
--neutral-400: #71717a;   /* balanced grey */
--neutral-500: #52525b;   /* darker grey */
--neutral-600: #3f3f46;   /* dark slate */
--neutral-700: #27272a;   /* near charcoal */
--neutral-800: #1c1c1f;   /* slightly softer black */
--neutral-900: #171717;   /* your background anchor */

/* Semantic Colors (Harmonized with Purple Core) */
--success-50:  #f0fdf4;   /* gentle mint tint */
--success-500: #22c55e;   /* fresh green */
--success-600: #16a34a;   /* darker green for contrast */

--warning-50:  #fefce8;   /* soft butter tint */
--warning-500: #facc15;   /* bright golden yellow */
--warning-600: #ca8a04;   /* warm amber for dark mode */

--error-50:    #fef2f2;   /* pale rose tint */
--error-500:   #ef4444;   /* vibrant red */
--error-600:   #dc2626;   /* deep scarlet */

  /* Legacy Bootstrap compatibility */
  --primary: var(--primary-600);
  --primary-hover: var(--primary-700);
  
  /* Modern Design Tokens */
  --text-primary: var(--neutral-900);
  --text-secondary: var(--neutral-600);
  --text-muted: var(--neutral-500);
  --text-inverse: #ffffff;
  
  --bg-primary: #ffffff;
  --bg-secondary: var(--neutral-50);
  --bg-tertiary: var(--neutral-100);
  --bg-inverse: var(--neutral-900);
  
  --border-light: var(--neutral-200);
  --border-medium: var(--neutral-300);
  --border-strong: var(--neutral-400);
  
  /* Layout Variables */
  --sidebar-width: 280px;
  --sidebar-mobile-width: 80px;
  --header-height: 64px;
  --content-max-width: 1200px;
  
  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --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);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

/* Global Styles */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

p {
  color: var(--text-primary);
}

/* Modern Sidebar */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background: var(--bg-primary);
  border-right: 1px solid var(--border-light);
  overflow-y: auto;
  transition: width var(--transition-normal);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.sidebar-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-primary);
  position: sticky;
  top: 0;
  z-index: 10;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.125rem;
  transition: opacity var(--transition-fast);
}

.sidebar-brand:hover {
  color: var(--primary-600);
  text-decoration: none;
}

.sidebar-content {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 120px);
}

.sidebar-nav {
  flex: 1;
}

.sidebar-section {
  margin-bottom: var(--space-xl);
}

.sidebar-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  padding: 0 var(--space-sm);
}

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

.sidebar-nav-link {
  display: flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  font-weight: 500;
  position: relative;
  line-height: 1.5;
}

.sidebar-nav-link:hover {
  color: var(--primary-600);
  background-color: var(--primary-50);
  text-decoration: none;
  transform: translateX(2px);
}

.sidebar-nav-link.active {
  color: var(--primary-600);
  background-color: var(--primary-100);
  font-weight: 600;
}

.sidebar-nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background-color: var(--primary-600);
  border-radius: 0 2px 2px 0;
}

.sidebar-nav-icon {
  width: 20px;
  height: 20px;
  margin-right: var(--space-sm);
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.sidebar-nav-text {
  flex: 1;
  line-height: 1.5;
  display: flex;
  align-items: center;
}

.sidebar-nav-badge {
  background-color: var(--primary-100);
  color: var(--primary-700);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.125rem 0.375rem;
  border-radius: 9999px;
  margin-left: auto;
}

/* Generic Collapsible Sidebar Sections */
.sidebar-collapse-toggle {
    margin-left: auto;
    transition: transform var(--transition-fast);
    transform-origin: center;
}

.sidebar-collapse-toggle.collapsed {
    transform: rotate(-90deg);
}

/* Generic submenu styling - works for any .collapse element in sidebar */
.sidebar .collapse {
    margin-left: var(--space-lg);
    border-left: 1px solid var(--border-light);
    padding-left: var(--space-md);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.sidebar .collapse .sidebar-nav-link {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.8125rem;
    position: relative;
}

/* Enhanced active state for submenu items */
.sidebar .collapse .sidebar-nav-link.active {
    background-color: var(--primary-200);
    color: var(--primary-700);
    font-weight: 600;
}

.sidebar .collapse .sidebar-nav-link.active::before {
    content: '';
    position: absolute;
    left: -16px;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 16px;
    background-color: var(--primary-600);
    border-radius: 1px;
}

/* Auto-expanded submenu styling */
.sidebar .collapse.show {
    border-left-color: var(--primary-300);
}

/* Parent link styling when submenu is active */
.sidebar-nav-link[aria-expanded="true"] {
    background-color: var(--primary-50);
    color: var(--primary-600);
}

.sidebar-nav-link[aria-expanded="true"] .sidebar-collapse-toggle {
    color: var(--primary-600);
    transform: rotate(0deg);
}

/* Sidebar Footer */
.sidebar-footer {
  margin-top: auto;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-light);
}

.sidebar-user {
  display: flex;
  align-items: center;
  padding: var(--space-md);
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

.sidebar-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
  margin-right: var(--space-sm);
  box-shadow: var(--shadow-sm);
}

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

.sidebar-user-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
  margin: 0;
}

.sidebar-user-email {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Main Content */
#main-content {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  bottom: 0;
  background-color: var(--bg-secondary);
  transition: left var(--transition-normal);
  overflow-y: auto;
}

.main-content-inner {
  padding: 0 var(--space-xl);
  width: 100%;
}

/* When sidebar is not present */
body:not(:has(.sidebar)) #main-content {
  left: 0;
}

/* Modern Button Styles */
.btn-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700)) !important;
  border: 1px solid var(--primary-600) !important;
  color: white !important;
  font-weight: 500 !important;
  padding: 0.625rem 1.25rem !important;
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: all var(--transition-fast) !important;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-800)) !important;
  border-color: var(--primary-700) !important;
  transform: translateY(-1px) !important;
  box-shadow: var(--shadow-md) !important;
}

.btn-primary:active {
  transform: translateY(0) !important;
  box-shadow: var(--shadow-sm) !important;
}

.btn-outline-primary {
  color: var(--primary-600) !important;
  border: 1px solid var(--primary-300) !important;
  background-color: transparent !important;
  font-weight: 500 !important;
  padding: 0.625rem 1.25rem !important;
  border-radius: var(--radius-md) !important;
  transition: all var(--transition-fast) !important;
}

.btn-outline-primary:hover {
  color: white !important;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700)) !important;
  border-color: var(--primary-600) !important;
  transform: translateY(-1px) !important;
  box-shadow: var(--shadow-sm) !important;
}

.btn-secondary {
  background-color: var(--neutral-100) !important;
  border: 1px solid var(--border-medium) !important;
  color: var(--text-primary);
  font-weight: 500 !important;
  padding: 0.625rem 1.25rem !important;
  border-radius: var(--radius-md) !important;
  transition: all var(--transition-fast) !important;
}

.btn-secondary:hover {
  background-color: var(--neutral-200) !important;
  border-color: var(--border-strong) !important;
  transform: translateY(-1px) !important;
}

.btn-cancel {
  background-color: var(--neutral-400) !important;
  border: 1px solid var(--border-medium) !important;
  color: var(--text-primary);
  font-weight: 500 !important;
  padding: 0.625rem 1.25rem !important;
  border-radius: var(--radius-md) !important;
  transition: all var(--transition-fast) !important;
}

.btn-cancel:hover {
  background-color: var(--neutral-200) !important;
  border-color: var(--border-strong) !important;
  transform: translateY(-1px) !important;
}


/* Modern Card Styles */
.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  overflow: hidden;
}

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

.card-header {
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.card-body {
  padding: var(--space-lg);
}

.card.major-card {
  flex: 1;
  min-height: 140px;
  position: relative;
  overflow: hidden;
}

.card.major-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
}

/* Enhanced Grid Layouts */
.row.g-3 {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
  gap: var(--space-lg);
  }

  .col-md-6 {
    display: flex;
  flex: 1;
  min-width: 300px;
}

/* Modern Alert Styles */
.alert {
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.alert::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
}

.alert-success::before {
  background-color: var(--success-500);
}

.alert-success {
  background-color: var(--success-500) !important;
}

.alert-warning::before {
  background-color: var(--warning-500);
}

.alert-danger::before {
  background-color: var(--error-500);
}

/* Modern Form Styles */
.form-control {
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  transition: all var(--transition-fast);
  background-color: var(--bg-primary);
}

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

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

/* Spinner Styles */
#spinner-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.spinner-border {
  width: 3rem;
  height: 3rem;
  color: var(--primary-600);
  border: 0.25em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spinner-border 0.75s linear infinite;
  display: inline-block;
  vertical-align: text-bottom;
}

@keyframes spinner-border {
  to {
    transform: rotate(360deg);
  }
}

/* Loading text below spinner */
.spinner-text {
  margin-top: var(--space-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Steps Card Enhancement */
  .steps-card {
    border: none;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  background: var(--bg-primary);
  overflow: hidden;
  position: relative;
}

.steps-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-400), var(--primary-600));
}

  .steps-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

/* Navigation Tabs */
  .nav-tabs {
    display: flex;
  gap: var(--space-lg);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: var(--space-xl);
    padding: 0;
    list-style: none;
  background: var(--bg-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: var(--space-md) var(--space-lg) 0;
  }
  
  .nav-item {
    margin-bottom: -1px;
  }
  
  .nav-link {
    display: block;
  padding: var(--space-md) var(--space-lg);
  color: var(--text-muted);
    text-decoration: none;
  font-size: 0.875rem;
    font-weight: 500;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  transition: all var(--transition-fast);
  position: relative;
  }
  
  .nav-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
  }
  
  .nav-link.active {
  color: var(--primary-600);
  background-color: var(--bg-primary);
  border-color: var(--border-light);
    font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary-600);
}

/* Mobile Responsive Design */
  @media (max-width: 768px) {
    .sidebar {
      width: var(--sidebar-mobile-width);
    padding: var(--space-md) var(--space-sm);
  }
  
  .sidebar-header {
    padding: var(--space-md) var(--space-sm);
  }
  
  .sidebar-content {
    padding: var(--space-md) var(--space-sm);
  }
  
  .sidebar-nav-text,
  .sidebar-section-title,
  .sidebar-user-info {
      display: none;
    }
  
  .sidebar-nav-link {
    justify-content: center;
    padding: var(--space-md) var(--space-sm);
    min-height: 44px;
  }
  
  .sidebar-nav-icon {
    margin-right: 0;
  }
  
  .sidebar-submenu {
    margin-left: 0;
    border-left: none;
    padding-left: 0;
  }
  
  .sidebar-submenu .sidebar-nav-link {
    justify-content: center;
    padding: var(--space-sm);
  }
  
  .sidebar-user {
      justify-content: center;
    padding: var(--space-sm);
  }
  
  .sidebar-user-avatar {
    margin-right: 0;
    }
  
      #main-content {
    left: var(--sidebar-mobile-width);
  }
  
  .main-content-inner {
    padding: var(--space-lg);
  }
  
  .row.g-3 {
    flex-direction: column;
  }
  
  .col-md-6 {
    min-width: auto;
  }
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  z-index: 1100;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: var(--bg-tertiary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.mobile-menu-toggle i {
  font-size: 1.25rem;
}

/* Mobile Sidebar Overlay */
.mobile-sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-sidebar-overlay.show {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 480px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    z-index: 1000;
  }
  
  .sidebar.show {
    transform: translateX(0);
  }
  
  #main-content {
    left: 0;
  }
}

@media (min-width: 481px) {
  .mobile-menu-toggle {
    display: none !important;
  }
}

/* Dark mode support (if needed in the future) */
@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: white;
    --text-secondary: white;
    --text-muted: var(--neutral-400);
    --text-inverse: var(--neutral-900);
    
    --bg-primary: var(--neutral-900);
    --bg-secondary: var(--neutral-800);
    --bg-tertiary: var(--neutral-700);
    --bg-inverse: var(--neutral-100);
    
    --border-light: var(--neutral-700);
    --border-medium: var(--neutral-600);
    --border-strong: var(--neutral-500);
  }
  
  body {
    background-color: var(--bg-secondary);
  }
}

/* Utility Classes */
.hover-lift:hover {
  transform: translateY(-2px);
  transition: transform var(--transition-fast);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
  }

/* htmx indicator */
.htmx-indicator {
    display: none;
}
.htmx-request .htmx-indicator {
    display: inline-block;
}
.htmx-request.htmx-indicator {
    display: inline-block;
}



.logo-heading {
  font-family: var(--font-sans);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.5px;
}