:root {
  /* Color Palette - Premium Slate & Indigo & Jade */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.85);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --bg-card-solid: #1e293b;
  --bg-input: #0f172a;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: #6366f1;
  --border-highlight: rgba(99, 102, 241, 0.3);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0f172a;

  /* Accent & Status Colors */
  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
  --accent-glow: rgba(99, 102, 241, 0.25);

  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --success-border: rgba(16, 185, 129, 0.3);

  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --warning-border: rgba(245, 158, 11, 0.3);

  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --danger-border: rgba(239, 68, 68, 0.3);

  --info: #38bdf8;
  --info-bg: rgba(56, 189, 248, 0.12);
  --info-border: rgba(56, 189, 248, 0.3);

  /* Tax Breakdown Colors */
  --color-net-pay: #10b981;
  --color-health-ins: #0ea5e9;
  --color-pension: #6366f1;
  --color-employment-ins: #8b5cf6;
  --color-nursing-ins: #ec4899;
  --color-income-tax: #f97316;
  --color-resident-tax: #ef4444;

  /* Shadows & Radius */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.2);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-primary: #f1f5f9;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: #f8fafc;
  --bg-card-solid: #ffffff;
  --bg-input: #f8fafc;
  --bg-glass: rgba(0, 0, 0, 0.02);
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-focus: #4f46e5;
  --border-highlight: rgba(79, 70, 229, 0.25);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
}