/* Import Google Fonts - Modern Font Stack */
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap");

/* ============================================
   DESIGN SYSTEM - CSS VARIABLES (Enhanced)
   ============================================ */
:root {
  /* Premium Gradient - Your Brand */
  --primary-gradient-start: #6b21a8;
  --primary-gradient-end: #a855f7;
  --primary-light: #d8b4fe;
  --primary-dark: #581c87;

  /* Modern Accent Colors */
  --secondary-color: #06b6d4;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f97316;

  /* Neutral Colors - Premium Feel */
  --dark-900: #0f172a;
  --dark-800: #1e293b;
  --dark-700: #334155;
  --gray-600: #475569;
  --gray-500: #64748b;
  --gray-400: #94a3b8;
  --gray-300: #cbd5e1;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --white: #ffffff;

  /* Semantic Colors */
  --text-primary: var(--dark-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-500);
  --border-color: #e5e7eb;
  --bg-light: #f9fafb;

  /* Spacing - Refined */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius - Modern */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;

  /* Shadows - Elevated & Modern */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   GLOBAL STYLES
   ============================================ */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
  min-height: 100vh;
}

/* ============================================
   EVENTS CALENDAR PAGE - MODERN REDESIGN
   ============================================ */

.learning-events-container {
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
}

/* Header Section - Statement Piece */
.events-header {
  background: linear-gradient(
    135deg,
    var(--primary-gradient-start) 0%,
    var(--primary-gradient-end) 100%
  );
  color: var(--white);
  padding: var(--spacing-3xl) var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
}

.events-header::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.15) 0%,
    transparent 70%
  );
  animation: float 20s ease-in-out infinite;
}

.events-header::after {
  content: "";
  position: absolute;
  bottom: -50%;
  left: -50%;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 70%
  );
  animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(30px, 30px);
  }
}

.header-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.header-content h1 {
  font-family: "Poppins", sans-serif;
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 900;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.03em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
  line-height: 1.1;
}

.subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  opacity: 0.95;
  font-weight: 400;
  max-width: 700px;
  margin: 0 auto;
  letter-spacing: 0.5px;
}

/* Filters Section - Modern Glass */
.filters-section {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(107, 33, 168, 0.08);
  align-items: start; /* Align content to top */
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  min-width: 0;
}

.filter-group label {
  font-weight: 700;
  font-size: 0.85rem; /* Increased from 0.7rem for better visibility */
  color: var(--dark-900) !important; /* Force the dark color */
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block !important; /* Ensure it's not hidden by global styles */
  opacity: 1;
  margin-bottom: 0.5rem; /* Use margin instead of padding for better spacing */
}

.filter-group select,
.filter-group .form-control {
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  background-color: var(--white);
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: inherit;
  font-weight: 500;
  width: 100%;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.filter-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b21a8' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 12px;
  padding-right: 2.5rem;
}

.filter-group select:hover,
.filter-group .form-control:hover {
  border-color: var(--primary-gradient-start);
  box-shadow: 0 4px 12px rgba(107, 33, 168, 0.1);
}

.filter-group select:focus,
.filter-group .form-control:focus {
  outline: none;
  border-color: var(--primary-gradient-start);
  box-shadow: 0 0 0 4px rgba(107, 33, 168, 0.1);
}

.view-toggle {
  display: flex;
  gap: var(--spacing-xs);
  background: var(--white);
  padding: 4px;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border-color);
  width: 100%;
}

.view-btn {
  flex: 1;
  padding: 0.625rem 1rem;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all var(--transition-base);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.view-btn.active {
  background: linear-gradient(
    135deg,
    var(--primary-gradient-start),
    var(--primary-gradient-end)
  );
  color: var(--white);
  box-shadow: 0 4px 12px rgba(107, 33, 168, 0.3);
}

.view-btn:hover:not(.active) {
  background: var(--bg-light);
  color: var(--primary-gradient-start);
}

/* View Containers */
.view-container {
  display: none;
  animation: fadeInUp var(--transition-base);
}

.view-container.active {
  display: block;
}

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

/* Calendar View */
#calendar {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.fc {
  font-family: "Inter", sans-serif;
}

.fc .fc-button-primary {
  background: linear-gradient(
    135deg,
    var(--primary-gradient-start),
    var(--primary-gradient-end)
  );
  border: none;
  padding: 0.625rem 1.25rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(107, 33, 168, 0.2);
}

.fc .fc-button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(107, 33, 168, 0.3);
}

.fc .fc-button-primary:not(:disabled).fc-button-active {
  background: var(--secondary-color);
  box-shadow: 0 8px 20px rgba(6, 182, 212, 0.3);
}

.fc .fc-event {
  border: none;
  border-radius: var(--radius-md);
  padding: 2px 6px;
  font-weight: 600;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.fc .fc-event:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* List View */
.events-list {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

/* Event Cards - Premium & Modern */
.event-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  group: card;
}

.event-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--primary-gradient-start),
    var(--primary-gradient-end)
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.event-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(107, 33, 168, 0.05) 0%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
}

.event-card:hover {
  box-shadow: 0 12px 32px rgba(107, 33, 168, 0.15);
  border-color: var(--primary-gradient-start);
  transform: translateY(-6px);
}

.event-card:hover::before {
  transform: scaleX(1);
}

.event-card:hover::after {
  opacity: 1;
}

.event-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.event-card-header h3 {
  margin: 0;
  font-family: "Poppins", sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  flex: 1 1 auto;
  line-height: 1.3;
  min-width: 0;
}

.theme-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(107, 33, 168, 0.3);
  position: relative;
  background: linear-gradient(
    135deg,
    var(--primary-gradient-start),
    var(--primary-gradient-end)
  );
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.event-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
  font-size: 0.95rem;
  flex-grow: 1;
  position: relative;
  z-index: 1;
}

.event-meta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  margin-bottom: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.event-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  white-space: nowrap;
}

.event-date {
  color: var(--primary-gradient-start);
  font-weight: 700;
}

.event-type {
  background: var(--bg-light);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
  color: var(--primary-gradient-start);
  font-weight: 600;
}

.event-type.physical {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

.event-type.virtual {
  background: rgba(6, 182, 212, 0.1);
  color: var(--secondary-color);
}

.event-price {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-color);
  font-weight: 700;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
}

.event-card .btn {
  align-self: flex-start;
  margin-top: auto;
  position: relative;
  z-index: 1;
}

.no-events {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-xl);
  color: var(--text-muted);
  font-size: 1.125rem;
  background: linear-gradient(135deg, var(--bg-light), var(--white));
  border-radius: var(--radius-xl);
  border: 2px dashed var(--border-color);
  grid-column: 1 / -1;
}

/* ============================================
   EVENT DETAIL PAGE - MODERN REDESIGN
   ============================================ */

.event-detail-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

/* Hero Section - Dramatic & Modern */
.event-hero {
  background: linear-gradient(
    135deg,
    var(--primary-gradient-start) 0%,
    var(--primary-gradient-end) 100%
  );
  color: var(--white);
  padding: var(--spacing-3xl) var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(107, 33, 168, 0.25);
  background-size: cover;
  background-position: center;
  min-height: 400px;
  display: flex;
  align-items: flex-end;
}

.event-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(107, 33, 168, 0.8) 0%,
    rgba(168, 85, 247, 0.6) 100%
  );
  z-index: 1;
}

.event-hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 20% 50%,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 50%
  );
  z-index: 1;
}

.hero-overlay {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-content h1 {
  font-family: "Poppins", sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

/* Content Layout */
.event-detail-content {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.event-main {
  min-width: 0;
}

/* Event Sections - Clean & Modern */
.event-section {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.event-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--primary-gradient-start),
    var(--primary-gradient-end)
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.event-section:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.event-section:hover::before {
  transform: scaleX(1);
}

.event-section h2 {
  font-family: "Poppins", sans-serif;
  color: var(--text-primary);
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  letter-spacing: -0.01em;
}

.description {
  line-height: 1.8;
  color: var(--text-secondary);
  font-size: 1rem;
  text-rendering: optimizeLegibility;
}

/* Details Grid */
.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
}

.detail-item {
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--white) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.detail-item::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--primary-gradient-start),
    var(--primary-gradient-end),
    transparent
  );
  opacity: 0;
  transition: opacity var(--transition-base);
}

.detail-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-gradient-start);
}

.detail-item:hover::before {
  opacity: 1;
}

.detail-item strong {
  display: block;
  color: var(--primary-gradient-start);
  margin-bottom: var(--spacing-sm);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
  font-family: "Poppins", sans-serif;
}

.detail-item p {
  margin: var(--spacing-sm) 0;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.1rem;
}

.address,
.note {
  font-size: 0.95rem;
  font-style: italic;
  margin-top: var(--spacing-sm);
  color: var(--text-secondary);
  font-weight: 400;
}

/* Pricing Section - Highlight */
.pricing-info {
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--white) 100%);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 2px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.pricing-info::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(107, 33, 168, 0.1) 0%,
    transparent 70%
  );
}

.pricing-highlight {
  font-family: "Poppins", sans-serif;
  font-size: 1.5rem;
  color: var(--text-primary);
  margin: 0;
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.pricing-highlight strong {
  background: linear-gradient(
    135deg,
    var(--primary-gradient-start),
    var(--primary-gradient-end)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 2rem;
}

.pricing-tiers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.pricing-tier {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 2px solid var(--border-color);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pricing-tier::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--primary-gradient-start),
    var(--primary-gradient-end)
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.pricing-tier:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(107, 33, 168, 0.2);
  border-color: var(--primary-gradient-start);
}

.pricing-tier:hover::before {
  transform: scaleX(1);
}

.pricing-tier h4 {
  font-family: "Poppins", sans-serif;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  font-size: 1.125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.price {
  font-family: "Poppins", sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(
    135deg,
    var(--primary-gradient-start),
    var(--primary-gradient-end)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

/* Buttons - Modern Style */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: left var(--transition-base);
  z-index: 0;
}

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

.btn > * {
  position: relative;
  z-index: 1;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-gradient-start),
    var(--primary-gradient-end)
  );
  color: var(--white);
  box-shadow: 0 4px 15px rgba(107, 33, 168, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(107, 33, 168, 0.4);
  text-decoration: none;
  color: var(--white);
}

.btn-secondary {
  background: var(--gray-600);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--gray-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border: 2px solid var(--primary-gradient-start);
  color: var(--primary-gradient-start);
  background: var(--white);
  font-weight: 700;
}
.btn-outline:hover {
  background: linear-gradient(
    135deg,
    var(--primary-gradient-start),
    var(--primary-gradient-end)
  );
  color: var(--white);
  box-shadow: 0 4px 15px rgba(107, 33, 168, 0.3);
}
.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.85rem;
}
/* Calendar Integration */
.calendar-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--spacing-md);
}
.calendar-buttons .btn {
  width: 100%;
}
/* Social Share Buttons */
.social-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-md);
}
.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-lg);
  text-decoration: none;
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  color: var(--white);
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  width: 100%;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.social-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}
.social-btn.twitter {
  background: linear-gradient(135deg, #1da1f2, #1a8cd8);
}
.social-btn.linkedin {
  background: linear-gradient(135deg, #0077b5, #005885);
}
.social-btn.facebook {
  background: linear-gradient(135deg, #1877f2, #0a66d2);
}
/* Sidebar */
.event-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}
.sidebar-card {
  background: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.sidebar-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--primary-gradient-start),
    var(--primary-gradient-end)
  );
}
.sidebar-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.sidebar-card h3 {
  font-family: "Poppins", sans-serif;
  color: var(--text-primary);
  margin: var(--spacing-lg) 0 var(--spacing-md) 0;
  font-size: 1.25rem;
  font-weight: 700;
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 1rem;
}
.summary-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.summary-list li {
  padding: var(--spacing-md) 0;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.95rem;
  line-height: 1.6;
}
.summary-list li:last-child {
  border-bottom: none;
}
.summary-list strong {
  color: var(--text-primary);
  font-weight: 700;
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-gradient-start);
}
.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.bg-success {
  background: linear-gradient(135deg, var(--success-color), #059669);
  color: var(--white);
}
/* Modal */
.modal-content {
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}
.modal-header {
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--white) 100%);
  padding: var(--spacing-lg);
}
.modal-title {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  color: var(--text-primary);
  font-size: 1.5rem;
}
.modal-body {
  padding: var(--spacing-lg);
}
.modal-footer {
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  background: var(--bg-light);
  display: flex;
  gap: var(--spacing-md);
}
.event-banner {
  width: 100%;
  height: 300px;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}
/* ============================================
RESPONSIVE DESIGN
============================================ */
@media (max-width: 1024px) {
  .filters-section {
    grid-template-columns: repeat(2, 1fr);
  }
  .event-detail-content {
    grid-template-columns: 1fr;
  }
  .event-sidebar {
    order: -1;
  }
  .events-list {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}
@media (max-width: 768px) {
  .learning-events-container {
    padding: var(--spacing-lg);
  }
  .events-header {
    padding: var(--spacing-2xl) var(--spacing-lg);
  }
  .header-content h1 {
    font-size: 2rem;
  }
  .filters-section {
    grid-template-columns: 1fr;
    padding: var(--spacing-lg);
  }
  .details-grid {
    grid-template-columns: 1fr;
  }
  .pricing-tiers {
    grid-template-columns: 1fr;
  }
  .event-hero {
    padding: var(--spacing-2xl) var(--spacing-lg);
    min-height: 300px;
  }
  .hero-content h1 {
    font-size: 1.75rem;
  }
  .events-list {
    grid-template-columns: 1fr;
  }
  #calendar {
    padding: var(--spacing-lg);
  }
}

/* Additional mobile fix */
@media (max-width: 768px) {
  .filter-group label {
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
  }

  .filters-section {
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .events-header {
    padding: var(--spacing-xl) var(--spacing-md);
    margin-bottom: var(--spacing-xl);
  }
  .header-content h1 {
    font-size: 1.5rem;
  }
  .filters-section {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  .view-toggle {
    flex-direction: column;
  }
  .event-hero {
    min-height: 250px;
    padding: var(--spacing-xl);
  }
  .social-buttons {
    grid-template-columns: 1fr;
  }
  .sidebar-card {
    padding: var(--spacing-lg);
  }
}
/* ============================================
CALENDAR TOOLTIP STYLES - Modern
============================================ */
.fc-event-tooltip {
  position: absolute;
  z-index: 9999;
  background-color: var(--white);
  width: 340px;
  padding: 0;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 50px rgba(107, 33, 168, 0.25);
  border: 1px solid var(--border-color);
  font-family: "Inter", sans-serif;
  opacity: 0;
  animation: tooltipSlideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  pointer-events: none;
  overflow: hidden;
}
.fc-event-tooltip strong {
  display: block;
  background: linear-gradient(
    135deg,
    var(--primary-gradient-start),
    var(--primary-gradient-end)
  );
  color: var(--white);
  padding: var(--spacing-lg);
  font-size: 1.1rem;
  font-weight: 700;
  border-bottom: none;
  font-family: "Poppins", sans-serif;
}
.fc-event-tooltip .tooltip-body {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.tooltip-theme {
  display: inline-block;
  background: linear-gradient(
    135deg,
    rgba(107, 33, 168, 0.1),
    rgba(168, 85, 247, 0.1)
  );
  color: var(--primary-gradient-start);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  align-self: flex-start;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--primary-light);
}
.tooltip-date,
.tooltip-type,
.tooltip-price {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}
.tooltip-date {
  color: var(--primary-gradient-start);
  font-weight: 700;
}
.tooltip-hint {
  display: block;
  background: linear-gradient(135deg, var(--bg-light), var(--white));
  padding: 0.75rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  margin-top: 0;
  font-style: italic;
  font-weight: 500;
}
@keyframes tooltipSlideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}