/* ===== RDFP Design System Variables ===== */
:root {
  /* Color Palette */
  --rdfp-primary: #0693e3;
  --rdfp-primary-dark: #020381;
  --rdfp-primary-light: #8ed1fc;
  --rdfp-primary-bright: #2874fc;
  --rdfp-secondary: #ffffff;
  --rdfp-accent-orange: #e55722;
  --rdfp-accent-orange-light: #ff6b35;
  --rdfp-accent-teal: #20c997;
  --rdfp-accent-teal-light: #4dd4aa;
  --rdfp-nav-blue: #006F86;
  
  /* Grays */
  --rdfp-gray-50: #f8f9fa;
  --rdfp-gray-100: #f1f3f4;
  --rdfp-gray-200: #e9ecef;
  --rdfp-gray-300: #dee2e6;
  --rdfp-gray-400: #ced4da;
  --rdfp-gray-500: #adb5bd;
  --rdfp-gray-600: #6c757d;
  --rdfp-gray-700: #495057;
  --rdfp-gray-800: #343a40;
  --rdfp-gray-900: #212529;
  
  /* Typography */
  --rdfp-font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --rdfp-font-size-xs: 0.75rem;
  --rdfp-font-size-sm: 0.875rem;
  --rdfp-font-size-base: 1rem;
  --rdfp-font-size-lg: 1.125rem;
  --rdfp-font-size-xl: 1.25rem;
  --rdfp-font-size-2xl: 1.5rem;
  --rdfp-font-size-3xl: 2rem;
  
  /* Spacing */
  --rdfp-spacing-xs: 0.25rem;
  --rdfp-spacing-sm: 0.5rem;
  --rdfp-spacing-md: 1rem;
  --rdfp-spacing-lg: 1.5rem;
  --rdfp-spacing-xl: 2rem;
  --rdfp-spacing-2xl: 3rem;
  
  /* Shadows */
  --rdfp-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --rdfp-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --rdfp-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --rdfp-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Border Radius */
  --rdfp-radius-sm: 0.375rem;
  --rdfp-radius-md: 0.5rem;
  --rdfp-radius-lg: 0.75rem;
  --rdfp-radius-xl: 1rem;
  
  /* Transitions */
  --rdfp-transition-fast: 150ms ease-in-out;
  --rdfp-transition-normal: 250ms ease-in-out;
  --rdfp-transition-slow: 350ms ease-in-out;
}

/* ===== Global Styles ===== */
html {
  font-size: 14px;
  font-family: var(--rdfp-font-family);
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
  padding-top: 170px; /* Account for dual navbar height */
  font-family: var(--rdfp-font-family);
  line-height: 1.6;
  color: var(--rdfp-gray-800);
}

/* ===== Modern Button Styles ===== */
.btn {
  border-radius: var(--rdfp-radius-md);
  font-weight: 500;
  transition: all var(--rdfp-transition-normal);
  border: none;
  box-shadow: var(--rdfp-shadow-sm);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--rdfp-transition-fast);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--rdfp-accent-orange) 0%, #d14519 100%);
  color: white;
  border: none;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #d14519 0%, var(--rdfp-accent-orange) 100%);
  transform: translateY(-2px);
  box-shadow: var(--rdfp-shadow-lg);
}

.btn-outline-primary {
  border: 2px solid var(--rdfp-accent-orange);
  color: var(--rdfp-accent-orange);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--rdfp-accent-orange);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--rdfp-shadow-lg);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--rdfp-accent-orange-light);
}

/* ===== Modern Card Styles ===== */
.card {
  border: none;
  border-radius: var(--rdfp-radius-lg);
  box-shadow: var(--rdfp-shadow-sm);
  transition: all var(--rdfp-transition-normal);
  background: var(--rdfp-secondary);
}

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

.card-header {
  border: none;
  border-radius: var(--rdfp-radius-lg) var(--rdfp-radius-lg) 0 0 !important;
  background: linear-gradient(135deg, var(--rdfp-primary) 0%, var(--rdfp-primary-dark) 100%);
  color: white;
  padding: var(--rdfp-spacing-lg);
}

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

.card-footer {
  border: none;
  background: var(--rdfp-gray-50);
  border-radius: 0 0 var(--rdfp-radius-lg) var(--rdfp-radius-lg);
  padding: var(--rdfp-spacing-md) var(--rdfp-spacing-lg);
}

/* ===== Modern Form Styles ===== */
.form-control {
  border: 2px solid var(--rdfp-gray-300);
  border-radius: var(--rdfp-radius-md);
  padding: var(--rdfp-spacing-md);
  font-size: var(--rdfp-font-size-base);
  transition: all var(--rdfp-transition-normal);
  background: white;
}

.form-control:focus {
  border-color: var(--rdfp-accent-orange);
  box-shadow: 0 0 0 0.2rem rgba(229, 87, 34, 0.25);
  transform: translateY(-1px);
}

.form-floating > .form-control-plaintext::placeholder, 
.form-floating > .form-control::placeholder {
  color: var(--rdfp-gray-500);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, 
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

.form-label {
  color: var(--rdfp-gray-700);
  font-weight: 500;
  margin-bottom: var(--rdfp-spacing-sm);
}

/* ===== Dual Navigation Styles ===== */
.dual-navbar {
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  box-shadow: var(--rdfp-shadow-lg);
}

/* Top White Section */
.navbar-top {
  background: white;
  border-bottom: 1px solid var(--rdfp-gray-200);
  min-height: 110px;
  display: flex;
  align-items: center;
}

/* Bottom Blue Section */
.navbar-bottom {
  background: var(--rdfp-nav-blue) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--rdfp-spacing-sm);
  padding-bottom: var(--rdfp-spacing-sm);
  min-height: 60px;
}

/* Navbar brand styling improvements */
.navbar-brand {
  text-decoration: none;
  transition: all var(--rdfp-transition-normal);
}

.navbar-brand:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.navbar-brand {
  padding-top: 0;
  padding-bottom: 0;
  line-height: 1;
  transition: transform var(--rdfp-transition-normal);
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  padding: var(--rdfp-spacing-sm) var(--rdfp-spacing-md) !important;
  border-radius: var(--rdfp-radius-md);
  transition: all var(--rdfp-transition-normal);
  position: relative;
}

.nav-link:hover {
  color: white !important;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.nav-link.active {
  color: white !important;
  background: rgba(255, 255, 255, 0.15);
}

.dropdown-menu {
  border: none;
  border-radius: var(--rdfp-radius-lg);
  box-shadow: var(--rdfp-shadow-lg);
  padding: var(--rdfp-spacing-sm);
  margin-top: var(--rdfp-spacing-xs);
}

.dropdown-item {
  border-radius: var(--rdfp-radius-sm);
  padding: var(--rdfp-spacing-sm) var(--rdfp-spacing-md);
  transition: all var(--rdfp-transition-fast);
}

.dropdown-item:hover {
  background: var(--rdfp-primary);
  color: white;
  transform: translateX(4px);
}

/* ===== Badge Styles ===== */
.badge {
  border-radius: var(--rdfp-radius-xl);
  padding: 0.35em 0.75em;
  font-size: 0.75em;
  font-weight: 600;
}

.bg-primary {
  background: linear-gradient(135deg, var(--rdfp-primary-dark) 0%, var(--rdfp-primary-bright) 100%) !important;
}

.bg-success {
  background: linear-gradient(135deg, var(--rdfp-accent-teal) 0%, #17a589 100%) !important;
}

.bg-warning {
  background: linear-gradient(135deg, var(--rdfp-accent-orange) 0%, #d14519 100%) !important;
}

/* ===== Alert Styles ===== */
.alert {
  border: none;
  border-radius: var(--rdfp-radius-lg);
  box-shadow: var(--rdfp-shadow-sm);
  padding: var(--rdfp-spacing-lg);
  margin: var(--rdfp-spacing-lg) 0;
}

/* ===== Table Styles ===== */
.table {
  border-radius: var(--rdfp-radius-lg);
  overflow: hidden;
  box-shadow: var(--rdfp-shadow-sm);
}

.table th {
  background: var(--rdfp-gray-50);
  color: var(--rdfp-gray-700);
  font-weight: 600;
  border: none;
  padding: var(--rdfp-spacing-md);
}

.table td {
  border: none;
  padding: var(--rdfp-spacing-md);
  border-bottom: 1px solid var(--rdfp-gray-200);
}

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

/* ===== Utility Classes ===== */
.text-rdfp-primary { color: var(--rdfp-primary) !important; }
.text-rdfp-orange { color: var(--rdfp-accent-orange) !important; }
.text-rdfp-teal { color: var(--rdfp-accent-teal) !important; }

.bg-rdfp-primary { background-color: var(--rdfp-primary) !important; }
.bg-rdfp-orange { 
  background: linear-gradient(135deg, var(--rdfp-accent-orange) 0%, #d14519 100%) !important; 
  color: white !important;
}
.bg-rdfp-teal { background-color: var(--rdfp-accent-teal) !important; }

.shadow-rdfp-sm { box-shadow: var(--rdfp-shadow-sm) !important; }
.shadow-rdfp-md { box-shadow: var(--rdfp-shadow-md) !important; }
.shadow-rdfp-lg { box-shadow: var(--rdfp-shadow-lg) !important; }

.border-radius-rdfp { border-radius: var(--rdfp-radius-lg) !important; }

/* ===== Animation Classes ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-slide-in-left {
  animation: slideInFromLeft 0.5s ease-out forwards;
}

/* ===== Avatar Styles ===== */
.avatar-circle {
  width: 35px;
  height: 35px;
  background: linear-gradient(135deg, var(--rdfp-primary) 0%, var(--rdfp-primary-bright) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
  font-weight: 500;
  box-shadow: var(--rdfp-shadow-sm);
  transition: all var(--rdfp-transition-normal);
}

.avatar-circle:hover {
  transform: scale(1.05);
  box-shadow: var(--rdfp-shadow-md);
}

.dropdown-header .avatar-circle {
  width: 45px;
  height: 45px;
  font-size: 18px;
}

/* Top navbar user section styling */
.navbar-top .avatar-circle {
  width: 40px;
  height: 40px;
  font-size: 18px;
}

.navbar-top .btn-link {
  color: var(--rdfp-gray-700) !important;
  text-decoration: none;
}

.navbar-top .btn-link:hover {
  color: var(--rdfp-primary) !important;
}

/* ===== Enhanced Layout Styles ===== */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

/* ===== Modern Footer Enhancement ===== */
footer a:hover {
  opacity: 1 !important;
  text-decoration: underline !important;
}

/* ===== Enhanced Navigation Animations ===== */

.nav-item {
  margin: 0 2px;
}

.nav-link {
  position: relative;
  overflow: hidden;
}

.navbar-bottom .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: white;
  transition: all var(--rdfp-transition-normal);
  transform: translateX(-50%);
}

.navbar-bottom .nav-link:hover::after,
.navbar-bottom .nav-link.active::after {
  width: 80%;
}

/* ===== Dropdown Enhancements ===== */
.dropdown-toggle::after {
  transition: transform var(--rdfp-transition-fast);
}

.dropdown-toggle[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

.dropdown-menu {
  animation: slideDown 0.2s ease-out;
}

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

/* ===== Home Page Specific Styles ===== */
.hero-section {
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.05"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.05"/><circle cx="50" cy="10" r="1" fill="white" opacity="0.03"/><circle cx="10" cy="60" r="1" fill="white" opacity="0.03"/><circle cx="90" cy="40" r="1" fill="white" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  animation: float 20s ease-in-out infinite;
  pointer-events: none;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
}

.icon-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--rdfp-shadow-md);
  transition: all var(--rdfp-transition-normal);
}

.icon-circle:hover {
  transform: translateY(-3px);
  box-shadow: var(--rdfp-shadow-lg);
}

.dashboard-stats .card {
  transition: all var(--rdfp-transition-normal);
  border: 1px solid var(--rdfp-gray-100) !important;
}

.dashboard-stats .card:hover {
  transform: translateY(-5px);
  border-color: var(--rdfp-primary) !important;
}

.section-title {
  color: var(--rdfp-gray-800);
  font-weight: 600;
}

/* ===== Event Card Styles ===== */
.event-card {
  transition: all var(--rdfp-transition-normal);
  overflow: hidden;
}

.event-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--rdfp-shadow-xl) !important;
}

.event-image-container {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.event-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--rdfp-transition-slow);
}

.event-card:hover .event-image {
  transform: scale(1.05);
}

.event-badge {
  position: absolute;
  top: var(--rdfp-spacing-md);
  right: var(--rdfp-spacing-md);
}

.event-details i {
  width: 16px;
  flex-shrink: 0;
}

.event-actions .btn {
  transition: all var(--rdfp-transition-normal);
}

.event-actions .btn:hover {
  transform: translateY(-2px);
}

/* ===== Button Variants ===== */
.btn-outline-success:hover {
  background: var(--rdfp-accent-teal);
  border-color: var(--rdfp-accent-teal);
}

.btn-outline-warning:hover {
  background: var(--rdfp-accent-orange);
  border-color: var(--rdfp-accent-orange);
  color: white;
}

.btn-warning {
  background: var(--rdfp-accent-orange);
  border-color: var(--rdfp-accent-orange);
  color: white;
}

.btn-warning:hover {
  background: #d14519;
  border-color: #d14519;
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--rdfp-shadow-lg);
}

/* ===== Gradient Backgrounds ===== */
.bg-hero-gradient {
  background: linear-gradient(135deg, var(--rdfp-primary-dark) 0%, var(--rdfp-primary-bright) 100%) !important;
}

.bg-teal-gradient {
  background: linear-gradient(135deg, var(--rdfp-accent-teal) 0%, #17a589 100%) !important;
}

.bg-orange-gradient {
  background: linear-gradient(135deg, var(--rdfp-accent-orange) 0%, #d14519 100%) !important;
}

/* ===== Breadcrumb Styles ===== */
.breadcrumb {
  background: var(--rdfp-gray-50);
  border-radius: var(--rdfp-radius-md);
  padding: var(--rdfp-spacing-sm) var(--rdfp-spacing-lg);
  margin-bottom: var(--rdfp-spacing-lg);
}

.breadcrumb-item + .breadcrumb-item::before {
  color: var(--rdfp-gray-500);
}

.breadcrumb-item a {
  color: var(--rdfp-primary);
  text-decoration: none;
  transition: color var(--rdfp-transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--rdfp-primary-dark);
}

.breadcrumb-item.active {
  color: var(--rdfp-gray-600);
}

/* ===== Event Details Page Styles ===== */
.event-hero-header {
  position: relative;
  overflow: hidden;
}

.event-hero-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
  animation: shimmer 3s infinite;
  pointer-events: none;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ===== Page Header Styles ===== */
.page-header {
  border-bottom: 2px solid var(--rdfp-gray-100);
  padding-bottom: var(--rdfp-spacing-lg);
}

.page-header h1 {
  color: var(--rdfp-gray-800);
}

/* ===== View Toggle Buttons ===== */
.btn-group .btn.active {
  background: var(--rdfp-accent-orange);
  border-color: var(--rdfp-accent-orange);
  color: white;
  box-shadow: var(--rdfp-shadow-sm);
}

/* ===== Stats Cards ===== */
.card.bg-rdfp-primary,
.card.bg-rdfp-teal,
.card.bg-rdfp-orange {
  transition: all var(--rdfp-transition-normal);
}

.card.bg-rdfp-primary:hover,
.card.bg-rdfp-teal:hover,
.card.bg-rdfp-orange:hover {
  transform: translateY(-3px);
  box-shadow: var(--rdfp-shadow-lg);
}

/* ===== Sticky Sidebar ===== */
@media (min-width: 992px) {
  .sticky-top {
    position: sticky;
    top: 100px;
    z-index: 1020;
  }
}

/* ===== Enhanced Table Styles ===== */
.table-responsive {
  border-radius: var(--rdfp-radius-lg);
  overflow: hidden;
}

.table-responsive .table {
  margin-bottom: 0;
}

.table-responsive .table thead th {
  position: sticky;
  top: 0;
  z-index: 10;
}

/* ===== Responsive Design Enhancements ===== */
@media (max-width: 768px) {
  body {
    padding-top: 160px; /* Adjust for mobile dual navbar */
  }
  
  .navbar-top .d-none.d-md-block {
    display: none !important;
  }
  
  .navbar-top .d-none.d-sm-block {
    display: none !important;
  }
  
  .card {
    margin-bottom: var(--rdfp-spacing-lg);
  }
  
  .btn-lg {
    padding: var(--rdfp-spacing-md) var(--rdfp-spacing-lg);
    font-size: var(--rdfp-font-size-base);
  }
  
  .navbar-brand img {
    height: 60px !important;
  }
  
  .navbar-nav .nav-link {
    padding: var(--rdfp-spacing-md) var(--rdfp-spacing-lg) !important;
    margin: 2px 0;
  }
  
  .dropdown-menu {
    border-radius: var(--rdfp-radius-md);
    margin-top: var(--rdfp-spacing-sm);
  }
  
  .avatar-circle {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
  
  .hero-section h1 {
    font-size: 2.5rem !important;
  }
  
  .hero-section .lead {
    font-size: 1.1rem !important;
  }
  
  .icon-circle {
    width: 60px;
    height: 60px;
  }
  
  .event-image-container {
    height: 180px;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .page-header {
    flex-direction: column;
    align-items: flex-start !important;
    gap: var(--rdfp-spacing-md);
  }
  
  .page-header .btn-group {
    width: 100%;
  }
  
  .page-header .btn-group .btn {
    flex: 1;
  }
  
  .sticky-top {
    position: static !important;
  }
  
  .breadcrumb {
    font-size: 0.875rem;
    padding: var(--rdfp-spacing-xs) var(--rdfp-spacing-md);
  }
  
  .event-hero-header .display-6 {
    font-size: 1.8rem !important;
  }
  
  .event-hero-header .lead {
    font-size: 1rem !important;
  }
}