/*
Forms42 Design System
Modern, Professional Event Management Platform
*/

:root {
  /* Brand Colors */
  --forms42-primary: #6366f1;
  --forms42-primary-dark: #4f46e5;
  --forms42-primary-light: #818cf8;
  --forms42-secondary: #f59e0b;
  --forms42-secondary-dark: #d97706;
  --forms42-accent: #10b981;
  --forms42-accent-dark: #059669;

  /* Neutrals */
  --forms42-gray-50: #f9fafb;
  --forms42-gray-100: #f3f4f6;
  --forms42-gray-200: #e5e7eb;
  --forms42-gray-300: #d1d5db;
  --forms42-gray-400: #9ca3af;
  --forms42-gray-500: #6b7280;
  --forms42-gray-600: #4b5563;
  --forms42-gray-700: #374151;
  --forms42-gray-800: #1f2937;
  --forms42-gray-900: #111827;

  /* Status Colors */
  --forms42-success: #10b981;
  --forms42-warning: #f59e0b;
  --forms42-error: #ef4444;
  --forms42-info: #3b82f6;

  /* Gradients */
  --forms42-gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --forms42-gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --forms42-gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --forms42-gradient-warm: linear-gradient(135deg, #fa709a 0%, #fee140 100%);

  /* Typography */
  --forms42-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  --forms42-font-display: 'Poppins', var(--forms42-font-sans);

  /* Spacing */
  --forms42-space-xs: 0.5rem;
  --forms42-space-sm: 0.75rem;
  --forms42-space-md: 1rem;
  --forms42-space-lg: 1.5rem;
  --forms42-space-xl: 2rem;
  --forms42-space-2xl: 3rem;
  --forms42-space-3xl: 4rem;

  /* Border Radius */
  --forms42-radius-sm: 0.375rem;
  --forms42-radius-md: 0.5rem;
  --forms42-radius-lg: 0.75rem;
  --forms42-radius-xl: 1rem;
  --forms42-radius-2xl: 1.5rem;

  /* Shadows */
  --forms42-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --forms42-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --forms42-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --forms42-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --forms42-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --forms42-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --forms42-transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --forms42-transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--forms42-font-sans);
  line-height: 1.6;
  color: var(--forms42-gray-900);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
.forms42-heading-1 {
  font-family: var(--forms42-font-display);
  font-size: 3.75rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--forms42-gray-900);
}

.forms42-heading-2 {
  font-family: var(--forms42-font-display);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--forms42-gray-900);
}

.forms42-heading-3 {
  font-family: var(--forms42-font-display);
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--forms42-gray-900);
}

.forms42-heading-4 {
  font-family: var(--forms42-font-display);
  font-size: 1.875rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--forms42-gray-900);
}

.forms42-heading-5 {
  font-family: var(--forms42-font-display);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--forms42-gray-900);
}

.forms42-heading-6 {
  font-family: var(--forms42-font-display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--forms42-gray-900);
}

.forms42-text-xl {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--forms42-gray-700);
}

.forms42-text-lg {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--forms42-gray-700);
}

.forms42-text-base {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--forms42-gray-700);
}

.forms42-text-sm {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--forms42-gray-600);
}

.forms42-text-xs {
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--forms42-gray-500);
}

/* Button System */
.forms42-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--forms42-radius-lg);
  font-family: var(--forms42-font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--forms42-transition-fast);
  position: relative;
  overflow: hidden;
}

.forms42-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.forms42-btn-primary {
  background: var(--forms42-primary);
  color: white;
  box-shadow: var(--forms42-shadow-md);
}

.forms42-btn-primary:hover:not(:disabled) {
  background: var(--forms42-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--forms42-shadow-lg);
}

.forms42-btn-secondary {
  background: var(--forms42-gray-100);
  color: var(--forms42-gray-900);
  border: 2px solid var(--forms42-gray-200);
}

.forms42-btn-secondary:hover:not(:disabled) {
  background: var(--forms42-gray-200);
  border-color: var(--forms42-gray-300);
  transform: translateY(-1px);
}

.forms42-btn-outline {
  background: transparent;
  color: var(--forms42-primary);
  border: 2px solid var(--forms42-primary);
}

.forms42-btn-outline:hover:not(:disabled) {
  background: var(--forms42-primary);
  color: white;
  transform: translateY(-1px);
}

.forms42-btn-ghost {
  background: transparent;
  color: var(--forms42-gray-700);
  border: none;
  box-shadow: none;
}

.forms42-btn-ghost:hover:not(:disabled) {
  background: var(--forms42-gray-100);
  color: var(--forms42-gray-900);
}

.forms42-btn-gradient {
  background: var(--forms42-gradient-primary);
  color: white;
  border: none;
  box-shadow: var(--forms42-shadow-lg);
}

.forms42-btn-gradient:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--forms42-shadow-xl);
}

/* Button Sizes */
.forms42-btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.forms42-btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.forms42-btn-xl {
  padding: 1.25rem 2.5rem;
  font-size: 1.25rem;
}

/* Card System */
.forms42-card {
  background: white;
  border-radius: var(--forms42-radius-xl);
  box-shadow: var(--forms42-shadow-md);
  overflow: hidden;
  transition: all var(--forms42-transition-normal);
}

.forms42-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--forms42-shadow-xl);
}

.forms42-card-header {
  padding: var(--forms42-space-xl);
  border-bottom: 1px solid var(--forms42-gray-200);
}

.forms42-card-body {
  padding: var(--forms42-space-xl);
}

.forms42-card-footer {
  padding: var(--forms42-space-xl);
  border-top: 1px solid var(--forms42-gray-200);
  background: var(--forms42-gray-50);
}

/* Gradient Backgrounds */
.forms42-bg-gradient-primary {
  background: var(--forms42-gradient-primary);
}

.forms42-bg-gradient-secondary {
  background: var(--forms42-gradient-secondary);
}

.forms42-bg-gradient-success {
  background: var(--forms42-gradient-success);
}

.forms42-bg-gradient-warm {
  background: var(--forms42-gradient-warm);
}

/* Form Elements */
.forms42-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--forms42-gray-200);
  border-radius: var(--forms42-radius-lg);
  font-family: var(--forms42-font-sans);
  font-size: 1rem;
  transition: all var(--forms42-transition-fast);
  background: white;
}

.forms42-input:focus {
  outline: none;
  border-color: var(--forms42-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.forms42-input::placeholder {
  color: var(--forms42-gray-400);
}

.forms42-textarea {
  resize: vertical;
  min-height: 100px;
}

.forms42-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

/* Badge System */
.forms42-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--forms42-radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.forms42-badge-primary {
  background: rgba(99, 102, 241, 0.1);
  color: var(--forms42-primary-dark);
}

.forms42-badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--forms42-accent-dark);
}

.forms42-badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--forms42-secondary-dark);
}

.forms42-badge-error {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

/* Layout Utilities */
.forms42-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--forms42-space-lg);
}

.forms42-container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--forms42-space-lg);
}

.forms42-section {
  padding: var(--forms42-space-3xl) 0;
}

.forms42-section-lg {
  padding: 5rem 0;
}

.forms42-section-xl {
  padding: 6rem 0;
}

/* Grid System */
.forms42-grid {
  display: grid;
  gap: var(--forms42-space-lg);
}

.forms42-grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.forms42-grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.forms42-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.forms42-grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
  .forms42-grid-cols-2,
  .forms42-grid-cols-3,
  .forms42-grid-cols-4 {
    grid-template-columns: 1fr;
  }
}

/* Animations */
@keyframes forms42-fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes forms42-scale-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes forms42-slide-in-right {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.forms42-animate-fade-in {
  animation: forms42-fade-in 0.6s ease-out;
}

.forms42-animate-scale-in {
  animation: forms42-scale-in 0.4s ease-out;
}

.forms42-animate-slide-in-right {
  animation: forms42-slide-in-right 0.6s ease-out;
}

/* Utility Classes */
.forms42-text-center { text-align: center; }
.forms42-text-left { text-align: left; }
.forms42-text-right { text-align: right; }

.forms42-flex { display: flex; }
.forms42-flex-col { flex-direction: column; }
.forms42-items-center { align-items: center; }
.forms42-justify-center { justify-content: center; }
.forms42-justify-between { justify-content: space-between; }

.forms42-gap-xs { gap: var(--forms42-space-xs); }
.forms42-gap-sm { gap: var(--forms42-space-sm); }
.forms42-gap-md { gap: var(--forms42-space-md); }
.forms42-gap-lg { gap: var(--forms42-space-lg); }
.forms42-gap-xl { gap: var(--forms42-space-xl); }

.forms42-mb-xs { margin-bottom: var(--forms42-space-xs); }
.forms42-mb-sm { margin-bottom: var(--forms42-space-sm); }
.forms42-mb-md { margin-bottom: var(--forms42-space-md); }
.forms42-mb-lg { margin-bottom: var(--forms42-space-lg); }
.forms42-mb-xl { margin-bottom: var(--forms42-space-xl); }
.forms42-mb-2xl { margin-bottom: var(--forms42-space-2xl); }

.forms42-rounded { border-radius: var(--forms42-radius-md); }
.forms42-rounded-lg { border-radius: var(--forms42-radius-lg); }
.forms42-rounded-xl { border-radius: var(--forms42-radius-xl); }
.forms42-rounded-2xl { border-radius: var(--forms42-radius-2xl); }

.forms42-shadow { box-shadow: var(--forms42-shadow-md); }
.forms42-shadow-lg { box-shadow: var(--forms42-shadow-lg); }
.forms42-shadow-xl { box-shadow: var(--forms42-shadow-xl); }

/* Responsive Design */
@media (max-width: 640px) {
  .forms42-heading-1 { font-size: 2.5rem; }
  .forms42-heading-2 { font-size: 2rem; }
  .forms42-heading-3 { font-size: 1.75rem; }

  .forms42-section { padding: 2rem 0; }
  .forms42-section-lg { padding: 3rem 0; }
  .forms42-section-xl { padding: 4rem 0; }

  .forms42-container,
  .forms42-container-wide {
    padding: 0 1rem;
  }

  .forms42-btn-xl {
    padding: 1rem 1.5rem;
    font-size: 1.125rem;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  .forms42-dark {
    --forms42-gray-50: #1f2937;
    --forms42-gray-100: #374151;
    --forms42-gray-200: #4b5563;
    --forms42-gray-300: #6b7280;
    --forms42-gray-400: #9ca3af;
    --forms42-gray-500: #d1d5db;
    --forms42-gray-600: #e5e7eb;
    --forms42-gray-700: #f3f4f6;
    --forms42-gray-800: #f9fafb;
    --forms42-gray-900: #ffffff;
  }
}