/* Robot Wars 2025 - Design System */
/* All colors, gradients, fonts, and design tokens */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Colors (HSL format) */
  --background: hsl(220, 40%, 5%);
  --foreground: hsl(210, 100%, 98%);

  --card: hsl(220, 35%, 8%);
  --card-foreground: hsl(210, 100%, 98%);

  --popover: hsl(220, 35%, 8%);
  --popover-foreground: hsl(210, 100%, 98%);

  --primary: hsl(195, 100%, 50%);
  --primary-foreground: hsl(220, 40%, 5%);

  --secondary: hsl(270, 80%, 60%);
  --secondary-foreground: hsl(210, 100%, 98%);

  --muted: hsl(220, 30%, 15%);
  --muted-foreground: hsl(210, 20%, 70%);

  --accent: hsl(270, 80%, 60%);
  --accent-foreground: hsl(210, 100%, 98%);

  --destructive: hsl(0, 84.2%, 60.2%);
  --destructive-foreground: hsl(210, 40%, 98%);

  --border: hsl(220, 30%, 20%);
  --input: hsl(220, 30%, 15%);
  --ring: hsl(195, 100%, 50%);

  --radius: 0.75rem;

  /* Sidebar colors */
  --sidebar-background: hsl(220, 40%, 5%);
  --sidebar-foreground: hsl(210, 100%, 98%);
  --sidebar-primary: hsl(195, 100%, 50%);
  --sidebar-primary-foreground: hsl(220, 40%, 5%);
  --sidebar-accent: hsl(220, 30%, 15%);
  --sidebar-accent-foreground: hsl(210, 100%, 98%);
  --sidebar-border: hsl(220, 30%, 20%);
  --sidebar-ring: hsl(195, 100%, 50%);

  /* Custom design tokens */
  --gradient-primary: linear-gradient(135deg, hsl(195, 100%, 50%), hsl(270, 80%, 60%));
  --gradient-glow: linear-gradient(180deg, hsl(195, 100%, 50%, 0.2), transparent);
  --shadow-glow: 0 0 40px hsl(195, 100%, 50%, 0.3);
  --shadow-glow-secondary: 0 0 40px hsl(270, 80%, 60%, 0.3);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography */
  --font-primary: 'Orbitron', sans-serif;
  --font-secondary: 'Inter', sans-serif;
}

/* Base styles */
* {
  border-color: var(--border);
}

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: var(--font-secondary);
}

/* Utility classes */
.bg-background { background-color: var(--background); }
.bg-card { background-color: var(--card); }
.bg-primary { background-color: var(--primary); }
.bg-secondary { background-color: var(--secondary); }
.bg-muted { background-color: var(--muted); }
.bg-accent { background-color: var(--accent); }

.text-foreground { color: var(--foreground); }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-muted { color: var(--muted-foreground); }

.border-border { border-color: var(--border); }
.border-primary { border-color: var(--primary); }

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

.shadow-glow {
  box-shadow: var(--shadow-glow);
}

.shadow-glow-secondary {
  box-shadow: var(--shadow-glow-secondary);
}

.transition-smooth {
  transition: var(--transition-smooth);
}

.font-orbitron {
  font-family: var(--font-primary);
}

.font-inter {
  font-family: var(--font-secondary);
}

/* Rounded corners */
.rounded-lg { border-radius: var(--radius); }
.rounded-md { border-radius: calc(var(--radius) - 2px); }
.rounded-sm { border-radius: calc(var(--radius) - 4px); }

/* Animations */
@keyframes fade-in {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glow-pulse {
  0%, 100% {
    box-shadow: 0 0 20px hsl(195, 100%, 50%, 0.3);
  }
  50% {
    box-shadow: 0 0 40px hsl(195, 100%, 50%, 0.6);
  }
}

@keyframes slide-up {
  0% {
    transform: translateY(100px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

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

.animate-glow-pulse {
  animation: glow-pulse 2s ease-in-out infinite;
}

.animate-slide-up {
  animation: slide-up 0.8s ease-out;
}

/* Button styles with new design system */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--primary-foreground);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-primary);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 60px hsl(195, 100%, 50%, 0.5);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--secondary-foreground);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-primary);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  background-color: hsl(270, 80%, 70%);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-family: var(--font-primary);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--primary-foreground);
  box-shadow: var(--shadow-glow);
}

/* Card styles */
.card {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition-smooth);
}

.card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

/* Input styles */
.input {
  background-color: var(--input);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
  color: var(--foreground);
  padding: 0.5rem 0.75rem;
  font-family: var(--font-secondary);
  transition: var(--transition-smooth);
}

.input:focus {
  outline: none;
  border-color: var(--ring);
  box-shadow: 0 0 0 2px hsl(195, 100%, 50%, 0.2);
}

/* Heading styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  color: var(--foreground);
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 2rem;
  font-weight: 700;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}