/* Global Styles */
:root {
  /* Colors */
  --primary: #3B7EF6;
  --primary-light: #6A9DF8;
  --primary-dark: #2A56C5;
  
  --secondary: #8A5CF7;
  --secondary-light: #A685F8;
  --secondary-dark: #6A44C5;
  
  --accent: #36DDAB;
  --accent-light: #65E6BF;
  --accent-dark: #24B689;
  
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  
  --neutral-50: #F9FAFB;
  --neutral-100: #F3F4F6;
  --neutral-200: #E5E7EB;
  --neutral-300: #D1D5DB;
  --neutral-400: #9CA3AF;
  --neutral-500: #6B7280;
  --neutral-600: #4B5563;
  --neutral-700: #374151;
  --neutral-800: #1F2937;
  --neutral-900: #111827;
  
  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 80px;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 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);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--neutral-900);
  color: var(--neutral-100);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

button {
  font-family: var(--font-family);
  cursor: pointer;
  border: none;
  outline: none;
  transition: all 0.2s ease;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Background Shapes */
.background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.shape {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(70px);
  opacity: 0.3;
}

.shape1 {
  top: -200px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: var(--primary);
  animation: float 20s ease-in-out infinite alternate;
}

.shape2 {
  bottom: -300px;
  left: -200px;
  width: 800px;
  height: 800px;
  background: var(--secondary);
  animation: float 25s ease-in-out infinite alternate-reverse;
}

.shape3 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: var(--accent);
  animation: pulse 15s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(50px, 50px) rotate(10deg); }
}

@keyframes pulse {
  0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.3; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.4; }
  100% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.3; }
}

/* Logo Styles */
.logo-container {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.logo-container.small {
  margin-bottom: 0;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-weight: 700;
  font-size: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.logo-container.small .logo {
  width: 36px;
  height: 36px;
  font-size: 18px;
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo-container.small .logo-text {
  font-size: 18px;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
  :root {
    --space-4: 20px;
    --space-5: 28px;
    --space-6: 40px;
    --space-7: 56px;
  }
  
  .shape1, .shape2 {
    opacity: 0.2;
  }
}