:root {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary-color: #0f172a;
  --accent-color: #06b6d4;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --light-bg: #f8fafc;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --border-radius: 0.375rem;
  --border-radius-lg: 0.5rem;
}

/* Dark Theme Variables */
[data-dark-mode="dark"] {
  --light-bg: #1e293b;
  --card-bg: #334155;
  --border-color: #475569;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

/* Theme Color Schemes */
[data-theme="blue"] {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
}

[data-theme="green"] {
  --primary-color: #059669;
  --primary-dark: #047857;
  --primary-light: #10b981;
}

[data-theme="purple"] {
  --primary-color: #7c3aed;
  --primary-dark: #6d28d9;
  --primary-light: #8b5cf6;
}

[data-theme="red"] {
  --primary-color: #dc2626;
  --primary-dark: #b91c1c;
  --primary-light: #ef4444;
}

[data-theme="orange"] {
  --primary-color: #ea580c;
  --primary-dark: #c2410c;
  --primary-light: #f97316;
}

[data-theme="teal"] {
  --primary-color: #0d9488;
  --primary-dark: #0f766e;
  --primary-light: #14b8a6;
}

[data-theme="indigo"] {
  --primary-color: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #6366f1;
}

[data-theme="pink"] {
  --primary-color: #db2777;
  --primary-dark: #be185d;
  --primary-light: #ec4899;
}

/* Font Size Options */
[data-font-size="extra-small"] {
  font-size: 0.75rem;
}

[data-font-size="extra-small"] .card-title {
  font-size: 1rem;
}

[data-font-size="extra-small"] h1 {
  font-size: 1.5rem;
}

[data-font-size="extra-small"] h2 {
  font-size: 1.25rem;
}

[data-font-size="extra-small"] h3 {
  font-size: 1.1rem;
}

[data-font-size="small"] {
  font-size: 0.875rem;
}

[data-font-size="small"] .card-title {
  font-size: 1.1rem;
}

[data-font-size="small"] h1 {
  font-size: 1.75rem;
}

[data-font-size="small"] h2 {
  font-size: 1.5rem;
}

[data-font-size="small"] h3 {
  font-size: 1.25rem;
}

[data-font-size="medium"] {
  font-size: 1rem;
}

[data-font-size="large"] {
  font-size: 1.125rem;
}

[data-font-size="large"] .card-title {
  font-size: 1.375rem;
}

[data-font-size="large"] h1 {
  font-size: 2.25rem;
}

[data-font-size="large"] h2 {
  font-size: 2rem;
}

[data-font-size="large"] h3 {
  font-size: 1.625rem;
}