:root {
  /* Neo-Brutalist Colors */
  --primary: #FF8AD8;
  /* Bubblegum Pink */
  --primary-dark: #e57bc2;
  /* Slightly darker pink for hover */
  --primary-gradient: #FF8AD8;
  /* Remove gradient for flat brutalist look */

  --success: #10b981;
  --success-light: #d1fae5;
  --success-dark: #059669;

  --error: #f87171;
  --error-light: #fee2e2;
  --error-dark: #dc2626;

  --warning: #FFD541;
  /* Sunny Yellow */
  --warning-light: #ffeaa7;
  --warning-dark: #e5bf3a;

  --info: #3b82f6;
  --info-light: #dbeafe;

  /* Neutrals: Neo-brutalist uses pure white backgrounds and deep blacks */
  --bg: #fdfdfd;
  /* Very light off-white */
  --card-bg: #ffffff;
  --text-primary: #1A1A1A;
  /* Deep Black */
  --text-secondary: #4a4a4a;
  --text-muted: #9ca3af;
  --border: #1A1A1A;
  /* Black borders */
  --border-light: #1A1A1A;

  /* Neo-Brutalist Shadows (Hard, non-blurred) */
  --shadow-sm: 2px 2px 0px 0px #1A1A1A;
  --shadow: 4px 4px 0px 0px #1A1A1A;
  --shadow-lg: 8px 8px 0px 0px #1A1A1A;
  --shadow-xl: 12px 12px 0px 0px #1A1A1A;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 300ms ease;
  --transition-slow: 500ms ease;

  /* Border Radius */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  /* Neo-Brutalist Specifics */
  --border-width: 3px;
  /* Thick borders */
}

/* Import Font */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700;900&display=swap');

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

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 900;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: 1.875rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

/* Links */
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: var(--border-width) solid var(--border);
  padding: var(--space-6);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-weight: 900;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: var(--border-width) solid var(--border);
  font-size: 1.1rem;
  box-shadow: var(--shadow);
}

.btn:active {
  transform: translate(4px, 4px);
  box-shadow: 0px 0px 0px 0px var(--border);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--warning);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

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

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

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.7;
  }
}

@keyframes gentleShake {

  0%,
  100% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-5px);
  }

  75% {
    transform: translateX(5px);
  }
}

@keyframes pop {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }

  70% {
    transform: scale(1.1);
  }

  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition) ease-out;
}

.animate-fade-in-up {
  animation: fadeInUp 0.4s ease-out;
}

.animate-pulse {
  animation: pulse 1.5s infinite;
}

.animate-shake {
  animation: gentleShake 0.4s ease-in-out;
}

.animate-pop {
  animation: pop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Navbar Style - Global */
.navbar {
  background: var(--primary);
  color: var(--text-primary);
  padding: var(--space-4) var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: var(--border-width) solid var(--border);
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: all var(--transition);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin-bottom: 5px;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.menu-toggle span:last-child {
  margin-bottom: 0;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-btn {
  padding: var(--space-2) var(--space-4) !important;
  font-size: 0.9rem !important;
  text-decoration: none !important;
  box-shadow: var(--shadow-sm) !important;
}

.nav-btn.active {
  background: var(--warning) !important;
  transform: translate(2px, 2px);
  box-shadow: 0px 0px 0px 0px var(--border) !important;
}

.nav-divider {
  width: var(--border-width);
  height: 32px;
  background: var(--border);
  margin: 0 var(--space-2);
}

.level-select {
  background: var(--card-bg);
  padding: var(--space-2) var(--space-8) var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 900;
  border: var(--border-width) solid var(--border);
  color: var(--text-primary);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%231A1A1A' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.level-select:active {
  transform: translate(2px, 2px);
  box-shadow: 0px 0px 0px 0px var(--border);
}

/* Responsive Navbar */
@media (max-width: 768px) {
  .navbar {
    padding: var(--space-3) var(--space-4);
    position: relative;
    z-index: 1000;
  }

  .nav-brand {
    font-size: 1.2rem;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    padding: 80px var(--space-6) var(--space-6);
    box-shadow: -4px 0 0 0 var(--border);
    border-left: var(--border-width) solid var(--border);
    align-items: stretch;
    gap: var(--space-4);
    z-index: 1000;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-btn {
    width: 100%;
    font-size: 1.1rem !important;
    padding: var(--space-3) var(--space-6) !important;
    text-align: left;
    justify-content: flex-start;
  }

  .nav-divider {
    width: 100%;
    height: var(--border-width);
    margin: var(--space-2) 0;
  }

  .level-select {
    width: 100%;
    border-radius: var(--radius-lg);
  }
}