/* CSS Design System Tokens - ClarvoTech */

:root {
  /* Fonts */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Spacing Scale (rem) */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-xxl: 4rem;
  --space-giant: 7rem;

  /* Standard Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Core Palette Gradients & Glows (Azure Blue #2563EB, Cyan #06B6D4, Purple #7C3AED) */
  --brand-gradient: linear-gradient(135deg, #06B6D4 0%, #2563EB 50%, #7C3AED 100%);
  --accent-gradient: linear-gradient(135deg, #2563EB 0%, #7C3AED 50%, #EC4899 100%);
  --blue-purple-gradient: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  --success-gradient: linear-gradient(135deg, #10B981 0%, #059669 100%);

  /* Default Theme: Premium Dark Navy (Microsoft Azure, OpenAI & Stripe feel) */
  --bg-main: #07111F;
  --bg-surface: #0B1E3A;
  --bg-surface-elevated: #0d2547;
  --bg-input: #0B1E3A;
  --text-primary: #FFFFFF;
  --text-secondary: #CBD5E1;
  --text-muted: #94a3b8;
  
  --border-color: rgba(37, 99, 235, 0.15);
  --border-hover: rgba(37, 99, 235, 0.25);
  --glass-bg: rgba(11, 30, 58, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-glow: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(37, 99, 235, 0.06), transparent 40%);

  --shadow-sm: 0 2px 8px rgba(7, 17, 31, 0.2);
  --shadow-md: 0 10px 30px rgba(7, 17, 31, 0.3);
  --shadow-lg: 0 20px 50px rgba(7, 17, 31, 0.4);
  --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.1);

  --nav-bg: rgba(7, 17, 31, 0.85);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-main: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F1F5F9;
  --bg-input: #FFFFFF;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  
  --border-color: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(15, 23, 42, 0.15);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(15, 23, 42, 0.06);
  --glass-glow: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(37, 99, 235, 0.04), transparent 40%);

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.08);
  --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.03);
  
  --nav-bg: rgba(255, 255, 255, 0.85);
}

[data-theme="light"] .ambient-glow {
  opacity: 0.25;
}

/* Dark Theme overrides (Aligned with premium dark navy system) */
[data-theme="dark"] {
  --bg-main: #07111F;
  --bg-surface: #0B1E3A;
  --bg-surface-elevated: #0d2547;
  --bg-input: #0B1E3A;
  --text-primary: #FFFFFF;
  --text-secondary: #CBD5E1;
  --text-muted: #94a3b8;
  
  --border-color: rgba(37, 99, 235, 0.15);
  --border-hover: rgba(37, 99, 235, 0.25);
  --glass-bg: rgba(11, 30, 58, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-glow: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(37, 99, 235, 0.06), transparent 40%);

  --shadow-sm: 0 2px 8px rgba(7, 17, 31, 0.2);
  --shadow-md: 0 8px 30px rgba(7, 17, 31, 0.3);
  --shadow-lg: 0 20px 50px rgba(7, 17, 31, 0.4);
  --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.1);
  
  --nav-bg: rgba(7, 17, 31, 0.85);
}