:root {
  /* Primary Colors */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  
  /* Accents */
  --accent: #cd3d87;
  --accent-light: #e45fa8;
  --secondary: #22d3ee;
  
  /* Neutrals */
  --text-primary: #1f2937;
  --text-secondary: #2d3037;
  --background: #ffffff;
  --background-soft: #f9fafb;
  --border: #e5e7eb;
  --shadow: rgba(0, 0, 0, 0.1);
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  
  /* Borders */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-full: 9999px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-primary);
  background: linear-gradient(135deg, #f0f9ff 0%, #e0e7ff 50%, #fce7f3 100%);
  background-attachment: fixed;
  line-height: 1.6;
  font-size: 18px;
  overflow-x: hidden;
  min-height: 100vh;
  padding: var(--space-xl);
}


h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: 3rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

h2 {
  font-size: 2.25rem;
  font-weight: 700;
}

h3 {
  font-size: 1.75rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
  font-size: 1.15rem;
  line-height: 1.7;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  font-weight: 500;
}

a:hover {
  color: var(--primary-dark);
  transform: translateX(2px);
}

a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 3px;
  bottom: -2px;
  left: 0;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover::after {
  width: 100%;
}


.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1.05rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
}

.btn:hover::before {
  width: 350px;
  height: 350px;
}

.btn:active {
  transform: translateY(-1px) scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: white;
  box-shadow: 0 4px 20px rgba(244, 114, 182, 0.4);
}

.btn-accent:hover {
  transform: translateY(-3px) rotate(2deg);
  box-shadow: 0 8px 30px rgba(244, 114, 182, 0.5);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}


.card {
  background: var(--background);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 4px 6px var(--shadow);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--border);
}

.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
}

.card-playful {
  position: relative;
  overflow: hidden;
}

.card-playful::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
}

.card-playful:hover::before {
  opacity: 1;
  top: -30%;
  right: -30%;
  transform: rotate(45deg);
}


.form-group {
  margin-bottom: var(--space-md);
}

label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--background);
  font-family: inherit;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
  transform: translateY(-2px);
}

input::placeholder,
textarea::placeholder {
  color: #9ca3af;
  font-size: 1rem;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.navbar {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.95), rgba(129, 140, 248, 0.95));
  padding: var(--space-md) var(--space-lg);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
  position: sticky;
  top: var(--space-lg);
  z-index: 1000;
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  border: 2px solid var(--primary);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: var(--space-md);
  align-items: center;
  flex-direction: row !important;
}
.nav-links a {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  color: white !important;
  font-weight: 600;
  font-size: 1.1rem;
}

.nav-links a::after {
  background: linear-gradient(90deg, white, var(--accent-light));
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  color: white !important;
}

.nav-links a.active {
  background: rgba(255, 255, 255, 0.25);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/*  Containers & Layout*/
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Main content wrapper */
.main-content {
  max-width: 1200px;
  margin: 0 auto var(--space-lg);
  padding: var(--space-xl);
  background: var(--background);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  min-height: 60vh;
}

.content-box {
  background: var(--background);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border: 2px solid rgba(99, 102, 241, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.content-box:hover {
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.page-header {
  background: var(--background);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-xl) calc(var(--space-xl) * 1.5);
  margin-bottom: var(--space-lg);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
  text-align: center;
  border: 2px solid rgba(99, 102, 241, 0.15);
  position: relative;
  overflow: hidden;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--secondary));
}

.section {
  padding: var(--space-xl) 0;
}

.section-boxed {
  background: var(--background);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-lg) auto;
  max-width: 1200px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Alerts & Messages */

.alert {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
  border-left: 4px solid;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.alert-success {
  background: #d1fae5;
  border-color: #10b981;
  color: #065f46;
}

.alert-error {
  background: #fee2e2;
  border-color: #ef4444;
  color: #991b1b;
}

.alert-info {
  background: #dbeafe;
  border-color: #3b82f6;
  color: #1e40af;
}

/* Badges & Tags */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  color: white;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2);
}

/* Loading Animations*/
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Utility Classes*/
.text-center {
  text-align: center;
}

.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

.mx-auto { margin-left: auto; margin-right: auto; }

.p-1 { padding: var(--space-xs); }
.p-2 { padding: var(--space-sm); }
.p-3 { padding: var(--space-md); }
.p-4 { padding: var(--space-lg); }
.p-5 { padding: var(--space-xl); }

.px-1 { padding-left: var(--space-xs); padding-right: var(--space-xs); }
.px-2 { padding-left: var(--space-sm); padding-right: var(--space-sm); }
.px-3 { padding-left: var(--space-md); padding-right: var(--space-md); }
.px-4 { padding-left: var(--space-lg); padding-right: var(--space-lg); }

.py-1 { padding-top: var(--space-xs); padding-bottom: var(--space-xs); }
.py-2 { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-3 { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.py-4 { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }
.gap-4 { gap: var(--space-lg); }

/* Hover Effects*/
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px var(--shadow);
}

.hover-bounce:hover {
  animation: bounce 0.5s ease;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}


/* Responsive Design */

@media (max-width: 768px) {
  body {
    padding: var(--space-md);
    font-size: 16px;
  }
  
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
  
  .container,
  .main-content,
  .section-boxed {
    padding: var(--space-md);
    margin: 0 auto var(--space-md);
  }
  
  .page-header {
    padding: var(--space-lg);
  }
  
  .content-box {
    padding: var(--space-md);
  }
  
  .navbar {
    top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
  }
  
  .btn {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
  
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  textarea,
  select {
    font-size: 1rem;
    padding: 0.875rem 1rem;
  }
  
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    flex-direction: column;
    gap: var(--space-xs);
  }
}