/* ==========================================================================
   Design Tokens - IT Tools Platform
   Premium Dark Theme with Glassmorphism
   ========================================================================== */

:root {
  /* ===== COLOR PALETTE ===== */
  
  /* Background Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-sidebar: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  --bg-sidebar-solid: #0f172a;
  
  /* Glass Effects */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-bg-hover: rgba(255, 255, 255, 0.06);
  --glass-bg-active: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.12);
  --glass-blur: blur(20px);
  
  /* Accent Colors */
  --accent-primary: #f97316;
  --accent-primary-hover: #ea580c;
  --accent-primary-glow: rgba(249, 115, 22, 0.3);
  --accent-secondary: #06b6d4;
  --accent-secondary-hover: #0891b2;
  --accent-secondary-glow: rgba(6, 182, 212, 0.3);
  
  /* Gradient Accents */
  --gradient-primary: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  
  /* Text Colors */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-muted: #475569;
  --text-inverse: #0a0a0a;
  
  /* Status Colors */
  --status-success: #22c55e;
  --status-success-bg: rgba(34, 197, 94, 0.1);
  --status-warning: #eab308;
  --status-warning-bg: rgba(234, 179, 8, 0.1);
  --status-error: #ef4444;
  --status-error-bg: rgba(239, 68, 68, 0.1);
  --status-info: #3b82f6;
  --status-info-bg: rgba(59, 130, 246, 0.1);
  
  /* ===== TYPOGRAPHY ===== */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 1.875rem;   /* 30px */
  --text-4xl: 2.25rem;    /* 36px */
  
  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  
  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;
  
  /* ===== SPACING ===== */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  
  /* ===== LAYOUT ===== */
  --sidebar-width: 280px;
  --sidebar-collapsed: 72px;
  --header-height: 64px;
  --content-max-width: 1400px;
  
  /* ===== BORDERS ===== */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* ===== SHADOWS ===== */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow-primary: 0 0 20px var(--accent-primary-glow);
  --shadow-glow-secondary: 0 0 20px var(--accent-secondary-glow);
  
  /* ===== TRANSITIONS ===== */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
  
  /* ===== Z-INDEX ===== */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-tooltip: 600;
  --z-toast: 700;
}

/* ===== DARK MODE ADJUSTMENTS (for future light mode support) ===== */
[data-theme="dark"] {
  color-scheme: dark;
}