/**
 * 🛠️ B2C Self-Install Kit - Design Tokens
 * shadcn/ui Inspired Design System
 */

/* ============================================
   COLOR TOKENS
   ============================================ */

:root {
  /* Base Colors */
  --color-primary: #2563eb;
  --color-primary-foreground: #ffffff;
  
  --color-secondary: #64748b;
  --color-secondary-foreground: #ffffff;
  
  --color-success: #10b981;
  --color-success-foreground: #ffffff;
  
  --color-warning: #f59e0b;
  --color-warning-foreground: #000000;
  
  --color-danger: #ef4444;
  --color-danger-foreground: #ffffff;
  
  --color-info: #3b82f6;
  --color-info-foreground: #ffffff;

  /* Background Colors */
  --background: #0f172a;
  --foreground: #f8fafc;
  
  --card: #1e293b;
  --card-foreground: #f8fafc;
  
  --popover: #1e293b;
  --popover-foreground: #f8fafc;
  
  --muted: #334155;
  --muted-foreground: #94a3b8;
  
  --accent: #3b82f6;
  --accent-foreground: #f8fafc;
  
  /* Border */
  --border: #334155;
  --input: #334155;
  --ring: #3b82f6;
  
  /* Chart Colors */
  --chart-1: #3b82f6;
  --chart-2: #10b981;
  --chart-3: #f59e0b;
  --chart-4: #ef4444;
  --chart-5: #8b5cf6;
  
  /* Status Colors */
  --status-online: #10b981;
  --status-offline: #64748b;
  --status-error: #ef4444;
  --status-warning: #f59e0b;
  
  /* Quality Colors (Air Quality) */
  --quality-good: #10b981;
  --quality-moderate: #f59e0b;
  --quality-unhealthy: #f97316;
  --quality-hazardous: #ef4444;
}

/* ============================================
   TYPOGRAPHY TOKENS
   ============================================ */

:root {
  /* Font Families */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  
  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  
  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
}

/* ============================================
   SPACING TOKENS
   ============================================ */

:root {
  --spacing-0: 0;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  
  /* Container */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1440px;
}

/* ============================================
   BORDER RADIUS TOKENS
   ============================================ */

:root {
  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
}

/* ============================================
   SHADOW TOKENS
   ============================================ */

:root {
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
}

/* ============================================
   TRANSITION TOKENS
   ============================================ */

:root {
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;
}

/* ============================================
   GLASSMORPHISM TOKENS
   ============================================ */

:root {
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: 12px;
  --glass-saturation: 180%;
}

/* ============================================
   Z-INDEX TOKENS
   ============================================ */

:root {
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ============================================
   COMPONENT VARIABLES
   ============================================ */

:root {
  /* Buttons */
  --button-primary-bg: var(--color-primary);
  --button-primary-hover: #1d4ed8;
  --button-secondary-bg: var(--color-secondary);
  --button-ghost-bg: transparent;
  --button-danger-bg: var(--color-danger);
  
  /* Cards */
  --card-border: var(--border);
  --card-shadow: var(--shadow-lg);
  
  /* Inputs */
  --input-bg: var(--background);
  --input-border: var(--border);
  --input-focus-ring: var(--color-primary);
  
  /* Badges */
  --badge-bg: var(--color-primary);
  --badge-text: var(--color-primary-foreground);
  
  /* Progress */
  --progress-bg: var(--muted);
  --progress-fill: var(--color-primary);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-success { background-color: var(--color-success); }
.bg-warning { background-color: var(--color-warning); }
.bg-danger { background-color: var(--color-danger); }
.bg-card { background-color: var(--color-card); }
.bg-glass { background-color: var(--glass-bg); }

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

.border { border: 1px solid var(--border); }
.rounded { border-radius: var(--radius-lg); }
.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }

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

.p-2 { padding: var(--spacing-2); }
.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }

.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }

.w-full { width: 100%; }
.h-full { height: 100%; }

.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }

.leading-tight { line-height: var(--leading-tight); }
.leading-relaxed { line-height: var(--leading-relaxed); }

/* ============================================
   ANIMATION KEYFRAMES
   ============================================ */

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes slideDown {
  from { transform: translateY(-10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-fade-in { animation: fadeIn var(--transition-normal); }
.animate-slide-up { animation: slideUp var(--transition-normal); }
.animate-slide-down { animation: slideDown var(--transition-normal); }