/* Modern Elegant CTFd Theme - Main Stylesheet */

/* Import Professional Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Modern Color Palette */
  --primary-dark: #1a1f2e;
  --secondary-dark: #2a3441;
  --accent-teal: #4fd1c7;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --surface: #1e293b;
  --surface-light: #334155;
  --border: rgba(71, 85, 105, 0.3);
  --border-light: rgba(148, 163, 184, 0.2);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #4fd1c7 0%, #3b82f6 100%);
  --gradient-secondary: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
  --gradient-surface: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  --gradient-card: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(51, 65, 85, 0.6) 100%);
  /* Professional color palette for typography */
  --text-hero: #ffffff;
  --text-hero-accent: #e2e8f0;
  --text-professional: #f1f5f9;
  --accent-subtle: #64748b;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);
  --shadow-text: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-text-subtle: 0 1px 3px rgba(0, 0, 0, 0.2);
  
  /* Typography - Professional Font System */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Inter', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Cascadia Code', 'Roboto Mono', 'Consolas', 'Liberation Mono', monospace;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

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

html {
  height: 100%;
}

body {
  font-family: var(--font-secondary);
  background: var(--primary-dark);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-weight: 400;
  letter-spacing: -0.01em;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1;
  font-variant-ligatures: common-ligatures;
  height: 100%;
  margin: 0;
}

/* Page Layout - Flexible Sticky Footer */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.page-container {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
}

/* Professional Typography Enhancements */
h1, h2, h3, h4, h5, h6,
.hero-title, .jumbotron h1, .page-header h1,
.challenge-name, .navbar-brand {
  font-feature-settings: "kern" 1, "liga" 1, "calt" 1, "ss01" 1;
  font-variant-ligatures: common-ligatures;
  font-variant-numeric: lining-nums;
}

code, pre, .font-mono {
  font-family: var(--font-mono);
  font-feature-settings: "liga" 1, "calt" 1;
  font-variant-ligatures: common-ligatures;
}

/* Remove old cyberpunk styling */
.cyber-body,
.cyber-bg,
.particle-network,
.grid-overlay,
.neural-connections,
.floating-particles {
  background: none !important;
  animation: none !important;
}

.cyber-body {
  background: var(--primary-dark) !important;
}

/* Modern Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(79, 209, 199, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
  z-index: -1;
  pointer-events: none;
}

/* Typography - Professional Heading System */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  text-rendering: optimizeLegibility;
}

h1 { 
  font-size: 2.5rem; 
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
h2 { 
  font-size: 2rem; 
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: -0.025em;
}
h3 { 
  font-size: 1.5rem; 
  font-weight: 600;
  letter-spacing: -0.02em;
}
h4 { 
  font-size: 1.25rem; 
  font-weight: 600;
  letter-spacing: -0.015em;
}
h5 { 
  font-size: 1.125rem; 
  font-weight: 550;
  letter-spacing: -0.01em;
}
h6 { 
  font-size: 1rem; 
  font-weight: 550;
  letter-spacing: -0.005em;
}

p {
  font-family: var(--font-secondary);
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

/* Navigation */
.navbar {
  background: rgba(26, 31, 46, 0.95) !important;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-4) 0;
  transition: all 0.3s ease;
}

.navbar-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--accent-teal) !important;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.navbar-nav .nav-link {
  font-family: var(--font-secondary);
  color: var(--text-secondary) !important;
  font-weight: 500;
  padding: var(--space-2) var(--space-4) !important;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  margin: 0 var(--space-1);
}

.navbar-nav .nav-link:hover {
  color: var(--text-primary) !important;
  background: rgba(79, 209, 199, 0.1);
}

.navbar-toggler {
  border: none;
  padding: var(--space-2);
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Buttons */
.btn {
  font-family: var(--font-secondary);
  font-weight: 500;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-6);
  border: none;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--text-primary);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--surface-light);
  color: var(--text-primary);
  border-color: var(--accent-teal);
}

.btn-outline-light {
  background: transparent;
  color: var(--accent-teal);
  border: 1px solid var(--accent-teal);
}

.btn-outline-light:hover {
  background: var(--accent-teal);
  color: var(--primary-dark);
}

.btn-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: var(--text-primary);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: var(--text-primary);
}

.btn-info {
  background: var(--gradient-secondary);
  color: var(--text-primary);
}

/* Forms */
.form-control {
  font-family: var(--font-secondary) !important;
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  color: var(--text-primary) !important;
  padding: var(--space-3) var(--space-4) !important;
  transition: all 0.3s ease !important;
  font-size: 1rem !important;
  font-weight: 400 !important;
  letter-spacing: -0.005em !important;
}

.form-control:focus {
  border-color: var(--accent-teal) !important;
  box-shadow: 0 0 0 3px rgba(79, 209, 199, 0.1) !important;
  background: var(--surface-light) !important;
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-group label {
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.custom-select {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-primary) !important;
}

/* Cards & Panels */
.card {
  background: var(--gradient-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-lg) !important;
  backdrop-filter: blur(20px);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-teal);
}

.card-body {
  padding: var(--space-6);
}

.card-header {
  background: rgba(79, 209, 199, 0.1);
  border-bottom: 1px solid var(--border);
  padding: var(--space-4) var(--space-6);
  font-weight: 600;
}

/* Jumbotron */
.jumbotron {
  background: transparent !important;
  border-radius: 0 !important;
  margin-bottom: 0 !important;
  padding: var(--space-16) 0 var(--space-12) !important;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.jumbotron::before {
  display: none;
}

.jumbotron::after {
  content: '';
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--accent-teal);
  border-radius: 2px;
}

.jumbotron h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-hero);
  text-shadow: var(--shadow-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-rendering: optimizeLegibility;
}

.jumbotron p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-6);
  line-height: 1.6;
}

/* Tables */
.table {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--space-8);
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
}

.table thead th {
  font-family: var(--font-heading);
  background: var(--gradient-primary);
  color: var(--text-primary);
  font-weight: 600;
  border: none;
  padding: var(--space-4) var(--space-6);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-size: 0.875rem;
}

.table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
  position: relative;
}

.table tbody tr:hover {
  background: rgba(79, 209, 199, 0.08);
  box-shadow: 0 2px 8px rgba(79, 209, 199, 0.1);
  z-index: 1;
}

.table tbody td,
.table tbody th {
  font-family: var(--font-secondary);
  color: var(--text-primary);
  border: none;
  padding: var(--space-4) var(--space-6);
  vertical-align: middle;
  font-weight: 400;
  letter-spacing: -0.005em;
  position: relative;
}

.table tbody a {
  color: var(--accent-teal);
  text-decoration: none;
  transition: all 0.3s ease;
}

.table tbody a:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

/* Users Page Table Improvements */
.table.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(51, 65, 85, 0.3);
}

.table.table-striped tbody tr:nth-of-type(even) {
  background-color: transparent;
}

.table.table-striped tbody tr:hover {
  background: rgba(79, 209, 199, 0.08) !important;
  box-shadow: 0 2px 8px rgba(79, 209, 199, 0.1) !important;
}

/* Prevent text overflow in table cells */
.table td:first-child {
  max-width: 200px;
  word-wrap: break-word;
}

.table td:nth-child(3) {
  max-width: 150px;
  word-wrap: break-word;
}

/* Scoreboard Enhancements */
#scoreboard .table {
  border: 2px solid var(--accent-teal);
  box-shadow: var(--shadow-xl);
}

#scoreboard .table tbody tr:nth-child(1) {
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.2), transparent);
  border-left: 4px solid #10b981;
}

#scoreboard .table tbody tr:nth-child(2) {
  background: linear-gradient(90deg, rgba(79, 209, 199, 0.2), transparent);
  border-left: 4px solid var(--accent-teal);
}

#scoreboard .table tbody tr:nth-child(3) {
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.2), transparent);
  border-left: 4px solid var(--accent-purple);
}

/* Challenge Cards */
.challenge-button {
  background: var(--gradient-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  color: var(--text-primary) !important;
  padding: var(--space-6) !important;
  transition: all 0.3s ease !important;
  box-shadow: var(--shadow-md) !important;
  backdrop-filter: blur(20px);
}

.challenge-button:hover {
  transform: translateY(-4px) !important;
  border-color: var(--accent-teal) !important;
  box-shadow: var(--shadow-xl) !important;
}

.solved-challenge {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.1)) !important;
  border-color: #10b981 !important;
  opacity: 1 !important;
}

.challenge-button p {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.challenge-button span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent-teal);
  background: rgba(79, 209, 199, 0.1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
}

/* Challenge Categories */
.category-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--accent-teal);
  position: relative;
}

.category-header h3::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--gradient-primary);
}

/* Modal Styling */
.modal-content {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-xl) !important;
  box-shadow: var(--shadow-xl) !important;
  backdrop-filter: blur(20px);
}

.modal-header {
  border-bottom: 1px solid var(--border);
  padding: var(--space-6);
}

.modal-title {
  color: var(--text-primary);
  font-weight: 600;
}

.modal-body {
  padding: var(--space-6);
}

.close {
  color: var(--text-secondary);
  opacity: 1;
  transition: all 0.3s ease;
}

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

/* Challenge Modal Specific */
.challenge-name {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-professional);
  text-shadow: var(--shadow-text-subtle);
  letter-spacing: -0.025em;
  text-rendering: optimizeLegibility;
}

.challenge-value {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-teal);
}

.challenge-desc {
  color: var(--text-secondary);
  line-height: 1.7;
  margin: var(--space-6) 0;
}

.challenge-tag {
  background: rgba(139, 92, 246, 0.2) !important;
  color: var(--accent-purple) !important;
  border: 1px solid var(--accent-purple) !important;
  border-radius: var(--radius-sm) !important;
  padding: var(--space-1) var(--space-3) !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
}

/* Navigation Tabs */
.nav-tabs {
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-6);
}

.nav-tabs .nav-link {
  color: var(--text-secondary);
  border: none;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover {
  color: var(--text-primary);
  background: rgba(79, 209, 199, 0.1);
}

.nav-tabs .nav-link.active {
  color: var(--accent-teal);
  background: rgba(79, 209, 199, 0.1);
  border-bottom: 2px solid var(--accent-teal);
}

/* Alerts */
.alert {
  border-radius: var(--radius-md) !important;
  border: none !important;
  padding: var(--space-4) var(--space-6) !important;
  margin-bottom: var(--space-4) !important;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1) !important;
  color: #10b981 !important;
  border-left: 4px solid #10b981 !important;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1) !important;
  color: #ef4444 !important;
  border-left: 4px solid #ef4444 !important;
}

.alert-info {
  background: rgba(59, 130, 246, 0.1) !important;
  color: var(--accent-blue) !important;
  border-left: 4px solid var(--accent-blue) !important;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1) !important;
  color: #f59e0b !important;
  border-left: 4px solid #f59e0b !important;
}

/* Badges */
.badge {
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

.badge-primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
}

.badge-secondary {
  background: var(--surface-light);
  color: var(--text-secondary);
}

.badge-info {
  background: var(--gradient-secondary);
  color: var(--text-primary);
}

/* Page Headers */
.page-header {
  text-align: center;
  margin-bottom: var(--space-12);
  padding: var(--space-8) 0;
  position: relative;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--accent-teal);
  border-radius: 2px;
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-hero);
  text-shadow: var(--shadow-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-rendering: optimizeLegibility;
}

.page-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.header-line {
  width: 80px;
  height: 3px;
  background: var(--gradient-primary);
  margin: 0 auto;
  border-radius: var(--radius-sm);
}

/* Override old neon title styling */
.scoreboard-neon-title {
  font-size: 3rem !important;
  font-weight: 700 !important;
  color: var(--text-hero) !important;
  text-shadow: var(--shadow-text) !important;
  letter-spacing: -0.025em !important;
  text-transform: none !important;
  line-height: 1.1 !important;
}

.scoreboard-neon-title::before,
.scoreboard-neon-title::after {
  display: none !important;
}

/* Container Improvements */
.container {
  max-width: 1200px;
}

/* Profile Styling */
.profile-container {
  max-width: 1000px;
  margin: 0 auto;
}

.profile-panel {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
}

.cyber-avatar {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-right: var(--space-6);
  box-shadow: var(--shadow-md);
}

.username {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.stat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-light);
}

.stat-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-value {
  color: var(--text-primary);
  font-weight: 600;
}

.score-highlight {
  color: var(--accent-teal) !important;
}

.rank-highlight {
  color: var(--accent-blue) !important;
}

/* Auth Forms - Professional Typography */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  padding: var(--space-6) 0;
}

.auth-panel {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 480px;
  margin: var(--space-4);
}

/* Auth page headings */
.auth-panel h2 {
  font-family: var(--font-heading) !important;
  font-size: 1.65rem !important;
  font-weight: 700 !important;
  color: var(--text-hero) !important;
  text-shadow: var(--shadow-text-subtle) !important;
  letter-spacing: -0.025em !important;
  text-rendering: optimizeLegibility !important;
  margin-bottom: var(--space-3) !important;
  text-align: center !important;
}

/* Auth page subtitles */
.auth-panel .text-secondary {
  font-family: var(--font-secondary) !important;
  color: var(--text-secondary) !important;
  font-weight: 400 !important;
  letter-spacing: -0.01em !important;
  line-height: 1.6 !important;
}

/* Auth form labels */
.auth-panel label {
  font-family: var(--font-secondary) !important;
  color: var(--text-primary) !important;
  font-weight: 500 !important;
  font-size: 0.95rem !important;
  letter-spacing: -0.005em !important;
}

/* Auth form help text */
.auth-panel .form-text {
  font-family: var(--font-secondary) !important;
  color: var(--text-muted) !important;
  font-weight: 400 !important;
  font-size: 0.875rem !important;
  letter-spacing: -0.005em !important;
}

/* Auth feature icons */
.auth-panel .feature-icon {
  background: var(--gradient-primary) !important;
  color: var(--text-primary) !important;
  border-radius: var(--radius-xl) !important;
  box-shadow: var(--shadow-lg) !important;
  animation: none !important;
  text-shadow: none !important;
}

.auth-panel .feature-icon i {
  animation: none !important;
  text-shadow: none !important;
}

/* Auth panel spacing optimizations */
.auth-panel .mb-4 {
  margin-bottom: var(--space-4) !important;
}

.auth-panel .mb-3 {
  margin-bottom: var(--space-3) !important;
}

.auth-panel .form-group {
  margin-bottom: var(--space-4) !important;
}

.auth-panel .text-center:first-child {
  margin-bottom: var(--space-6) !important;
}

.auth-panel .btn {
  padding: var(--space-3) var(--space-4) !important;
  font-size: 0.95rem !important;
}

/* Landing Page */
.modern-landing {
  min-height: 100vh;
}

.hero-section {
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--accent-teal);
  border-radius: 2px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--text-hero);
  text-shadow: var(--shadow-text);
  margin-bottom: var(--space-6);
  line-height: 1.1;
  letter-spacing: -0.035em;
  text-rendering: optimizeLegibility;
}

.hero-subtitle {
  font-family: var(--font-secondary);
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.btn-hero {
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  min-width: 160px;
}

/* Features Section */
.features-section {
  padding: var(--space-16) 0;
  background: rgba(30, 41, 59, 0.5);
}

.feature-item {
  text-align: center;
  padding: var(--space-8);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  box-shadow: var(--shadow-lg);
}

.feature-icon i {
  font-size: 2rem;
  color: var(--text-primary);
}

.feature-item h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.feature-item p {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Content Section */
.content-section {
  padding: var(--space-16) 0;
}

.content-wrapper {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
}

/* Input States */
.input-filled-valid {
  border-color: #10b981 !important;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
}

.input-filled-invalid {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

/* Challenge Input States */
.challenge-input.correct {
  border-color: #10b981 !important;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2) !important;
  background: rgba(16, 185, 129, 0.05) !important;
}

.challenge-input.wrong {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2) !important;
  background: rgba(239, 68, 68, 0.05) !important;
}

/* Pagination */
.page-select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
}

/* Footer - Flexible Sticky Bottom */
.cyber-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--space-6) 0;
  flex-shrink: 0;
}

.footer-text {
  text-align: center;
  color: var(--text-secondary);
}

.footer-text a {
  color: var(--accent-teal);
  text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: var(--space-6);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-hero {
    width: 100%;
    max-width: 280px;
  }
  
  .jumbotron h1 {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
  }
  
  .page-header h1 {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
  }
  
  .scoreboard-neon-title {
    font-size: 2.5rem !important;
    letter-spacing: -0.02em !important;
  }
  
  .jumbotron {
    padding: var(--space-12) 0 var(--space-8) !important;
  }
  
  .jumbotron h1 {
    font-size: 2rem;
  }
  
  .page-header h1 {
    font-size: 2rem;
  }
  
  .auth-panel {
    margin: var(--space-3);
    padding: var(--space-6);
    max-width: 90vw;
  }
  
  .auth-container {
    padding: var(--space-4) 0;
  }
  
  .main-content {
    padding: var(--space-6) 0;
  }
  
  .profile-panel {
    padding: var(--space-6);
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2rem;
    letter-spacing: -0.015em;
  }
  
  .jumbotron h1 {
    font-size: 2rem;
    letter-spacing: -0.015em;
  }
  
  .page-header h1 {
    font-size: 2rem;
    letter-spacing: -0.015em;
  }
  
  .scoreboard-neon-title {
    font-size: 2rem !important;
    letter-spacing: -0.015em !important;
  }
  
  .challenge-name {
    font-size: 1.5rem;
    letter-spacing: -0.02em;
  }
  
  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
  
  .challenge-button {
    padding: var(--space-4) !important;
  }
  
  .table thead th,
  .table tbody td,
  .table tbody th {
    padding: var(--space-3) var(--space-4);
    font-size: 0.875rem;
  }
  
  .table {
    font-size: 0.875rem;
  }
  
  .table tbody tr:hover {
    box-shadow: 0 1px 4px rgba(79, 209, 199, 0.1);
  }
  
  .auth-panel {
    margin: var(--space-2);
    padding: var(--space-4);
    max-width: 95vw;
  }
  
  .auth-container {
    padding: var(--space-3) 0;
  }
  
  .main-content {
    padding: var(--space-4) 0;
  }
  
  .auth-panel h2 {
    font-size: 1.5rem !important;
  }
}

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

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

/* Loading States */
.spinner {
  color: var(--accent-teal);
}

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

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-teal);
}

/* Selection */
::selection {
  background: rgba(79, 209, 199, 0.3);
  color: var(--text-primary);
}

/* Focus States */
*:focus {
  outline: 2px solid var(--accent-teal);
  outline-offset: 2px;
}

/* Utility Classes */
.text-gradient {
  color: var(--text-hero);
  text-shadow: var(--shadow-text-subtle);
  font-weight: 600;
}

.surface-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(20px);
}

/* Team/User Cards */
.team-card,
.user-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  transition: all 0.3s ease;
  backdrop-filter: blur(20px);
}

.team-card:hover,
.user-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-teal);
  box-shadow: var(--shadow-lg);
}

/* Settings Page */
.nav-pills .nav-link {
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
  transition: all 0.3s ease;
}

.nav-pills .nav-link:hover {
  background: rgba(79, 209, 199, 0.1);
  color: var(--text-primary);
}

.nav-pills .nav-link.active {
  background: var(--gradient-primary);
  color: var(--text-primary);
}

/* Setup Page */
.tab-content {
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
}

.nav-pills {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  margin-bottom: var(--space-6);
}

/* File Upload */
.form-control-file {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  color: var(--text-primary);
}

/* Tooltips */
.tooltip .tooltip-inner {
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

/* Progress Bars */
.progress {
  background: var(--surface);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.progress-bar {
  background: var(--gradient-primary);
}

/* Toast Notifications */
.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
}

.toast-header {
  background: rgba(79, 209, 199, 0.1);
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

/* Challenge Files */
.btn-file {
  background: rgba(59, 130, 246, 0.1) !important;
  border: 1px solid var(--accent-blue) !important;
  color: var(--accent-blue) !important;
  border-radius: var(--radius-md) !important;
  padding: var(--space-3) var(--space-4) !important;
  transition: all 0.3s ease !important;
}

.btn-file:hover {
  background: var(--accent-blue) !important;
  color: var(--text-primary) !important;
}

/* Hint Buttons */
.btn-hint {
  background: rgba(139, 92, 246, 0.1) !important;
  border: 1px solid var(--accent-purple) !important;
  color: var(--accent-purple) !important;
  border-radius: var(--radius-md) !important;
  transition: all 0.3s ease !important;
}

.btn-hint:hover {
  background: var(--accent-purple) !important;
  color: var(--text-primary) !important;
}

/* Remove old glitch and neon effects - Comprehensive Override */
.glitch-text,
.neon-text,
.cyber-text,
.gradient-text,
.animated-text,
.glow-text {
  animation: none !important;
  text-shadow: none !important;
  color: var(--text-primary) !important;
  background: none !important;
  background-clip: initial !important;
  -webkit-background-clip: initial !important;
  -webkit-text-fill-color: initial !important;
  font-family: var(--font-heading) !important;
  font-weight: 700 !important;
  letter-spacing: -0.025em !important;
  text-rendering: optimizeLegibility !important;
}

.glitch-text::before,
.glitch-text::after,
.neon-text::before,
.neon-text::after,
.cyber-text::before,
.cyber-text::after {
  display: none !important;
}

/* Professional Typography Override for All Headings */
h1, h2, h3, h4, h5, h6,
.title, .heading, .header,
.hero-title, .page-title, .section-title,
.auth-title, .modal-title, .card-title {
  font-family: var(--font-heading) !important;
  color: var(--text-hero) !important;
  text-shadow: var(--shadow-text-subtle) !important;
  background: none !important;
  background-clip: initial !important;
  -webkit-background-clip: initial !important;
  -webkit-text-fill-color: initial !important;
  animation: none !important;
  letter-spacing: -0.025em !important;
  text-rendering: optimizeLegibility !important;
}

/* Professional Body Text Override */
p, span, div, a, label,
.text, .description, .content,
.form-text, .help-text, .subtitle {
  font-family: var(--font-secondary) !important;
  animation: none !important;
  text-shadow: none !important;
  background: none !important;
  background-clip: initial !important;
  -webkit-background-clip: initial !important;
  -webkit-text-fill-color: initial !important;
}

/* Smooth transitions for all interactive elements */
a, button, input, select, textarea {
  transition: all 0.3s ease;
}

/* Enhanced focus visibility */
.btn:focus,
.form-control:focus,
.nav-link:focus {
  box-shadow: 0 0 0 3px rgba(79, 209, 199, 0.3);
}

/* Modern spacing for main content */
.main-content {
  flex: 1 0 auto;
  margin-top: 80px;
  padding: var(--space-8) 0;
}

/* Clean up old cyber styling */
.cyber-btn,
.challenge-card,
.podium-container,
.neural-connections,
.particle-network {
  background: none !important;
  animation: none !important;
  border: none !important;
  box-shadow: none !important;
}

/* Ensure proper contrast */
.text-muted {
  color: var(--text-muted) !important;
}

.text-secondary {
  color: var(--text-secondary) !important;
}

/* Modern form styling */
.form-check-input {
  background: var(--surface);
  border: 1px solid var(--border);
}

.form-check-input:checked {
  background: var(--accent-teal);
  border-color: var(--accent-teal);
}

.form-check-label {
  color: var(--text-secondary);
}

/* Input group styling */
.input-group-text {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.input-group .form-control {
  border-left: none;
}

.input-group .form-control:focus {
  border-color: var(--accent-teal);
}

/* Modern dropdown styling */
.dropdown-menu {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
}

.dropdown-item {
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.dropdown-item:hover {
  background: rgba(79, 209, 199, 0.1);
  color: var(--text-primary);
}

/* Modern list group styling */
.list-group-item {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.list-group-item:hover {
  background: var(--surface-light);
}

/* Enhanced button variants */
.btn-outline-primary {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}

.btn-outline-primary:hover {
  background: var(--accent-teal);
  color: var(--primary-dark);
}

.btn-outline-secondary {
  border-color: var(--border);
  color: var(--text-secondary);
}

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

/* Disable all blinking and pulsing animations */
*,
*::before,
*::after {
  animation-duration: 0s !important;
  animation-delay: 0s !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0s !important;
  transition-delay: 0s !important;
}

/* Specifically disable common blinking animations */
.blink,
.blinking,
.pulse,
.pulsing,
.fa-spin,
.fa-pulse,
.cm-animate-fat-cursor,
.cm-fat-cursor-mark {
  animation: none !important;
  -webkit-animation: none !important;
  -moz-animation: none !important;
}

/* Allow only hover and focus transitions for better UX */
.btn,
.card,
.nav-link,
.form-control,
a {
  transition: all 0.2s ease !important;
}

/* Final Professional Typography Enforcement */
/* Remove all gradient text effects, neon glows, and cyberpunk styling */
* {
  background-clip: initial !important;
  -webkit-background-clip: initial !important;
  -webkit-text-fill-color: initial !important;
}

/* Ensure all text uses professional fonts */
h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-heading) !important;
}

p, span, div, a, label, input, textarea, select, button, .btn {
  font-family: var(--font-secondary) !important;
}

/* Remove any remaining glow or neon effects */
[class*="neon"],
[class*="glow"],
[class*="cyber"],
[class*="glitch"],
[class*="gradient-text"] {
  animation: none !important;
  text-shadow: none !important;
  background: none !important;
  color: var(--text-primary) !important;
  font-family: var(--font-heading) !important;
}