:root {
    /* Epic Games Store Dark theme (default) */
    --color-bg: #121212;
    --color-bg-secondary: #1a1a1a;
    --color-bg-tertiary: #0a0a0a;
    --color-surface: #1e1e1e;
    --color-surface-hover: #2a2a2a;
    --color-text: #e0e0e0;
    --color-text-secondary: #888888;
    --color-text-muted: #555555;
    --color-heading: #ffffff;
    --color-primary: #0074e4;
    --color-primary-hover: #0066cc;
    --color-primary-light: rgba(0, 116, 228, 0.12);
    --color-primary-content: #ffffff;
    --color-secondary: #aa44ff;
    --color-secondary-hover: #9933ee;
    --color-accent: #26bbaa;
    --color-accent-hover: #20a596;
    --color-neutral: #1e1e1e;
    --color-neutral-content: #e0e0e0;
    --color-border: #2a2a2a;
    --color-border-light: #222222;
    --color-danger: #e53935;
    --color-danger-hover: #c62828;
    --color-success: #43a047;
    --color-success-hover: #388e3c;
    --color-warning: #fb8c00;
    --color-warning-hover: #ef6c00;
    --color-info: #039be5;
    --color-info-hover: #0288d1;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Typography */
    --font-sans: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'SFMono-Regular', Consolas, monospace;
    --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;

    /* Border radius - modern */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows - subtle for dark backgrounds */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-index layers */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-toast: 600;

    /* Layout */
    --navbar-height: 60px;
    --sidebar-width: 260px;
    --container-max: 1400px;

    /* Interactive overlays */
    --color-hover-bg: rgba(255, 255, 255, 0.06);
    --color-active-bg: rgba(255, 255, 255, 0.08);
    --color-subtle-bg: rgba(255, 255, 255, 0.03);
    --color-loading-overlay: rgba(18, 18, 18, 0.7);

    /* Solid surface effect (replaces glass) */
    --glass-bg: rgba(18, 18, 18, 0.95);
    --glass-border: rgba(255, 255, 255, 0.04);
    --glass-blur: blur(20px);
}

[data-theme="light"] {
    --color-bg: #f5f5f5;
    --color-bg-secondary: #ebebeb;
    --color-bg-tertiary: #e0e0e0;
    --color-surface: #ffffff;
    --color-surface-hover: #f0f0f0;
    --color-text: #1a1a1a;
    --color-text-secondary: #555555;
    --color-text-muted: #999999;
    --color-heading: #000000;
    --color-primary: #0066cc;
    --color-primary-hover: #0055aa;
    --color-primary-light: rgba(0, 102, 204, 0.1);
    --color-primary-content: #ffffff;
    --color-secondary: #9933cc;
    --color-secondary-hover: #7a2da0;
    --color-accent: #20a596;
    --color-accent-hover: #1a8f82;
    --color-neutral: #2a2a2a;
    --color-neutral-content: #e0e0e0;
    --color-border: #d4d4d4;
    --color-border-light: #e5e5e5;
    --color-danger: #d32f2f;
    --color-danger-hover: #b71c1c;
    --color-success: #388e3c;
    --color-success-hover: #2e7d32;
    --color-warning: #ef6c00;
    --color-warning-hover: #e65100;
    --color-info: #0288d1;
    --color-info-hover: #0277bd;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);

    --color-hover-bg: rgba(0, 0, 0, 0.04);
    --color-active-bg: rgba(0, 0, 0, 0.06);
    --color-subtle-bg: rgba(0, 0, 0, 0.02);
    --color-loading-overlay: rgba(255, 255, 255, 0.7);

    --glass-bg: rgba(255, 255, 255, 0.92);
    --glass-border: rgba(0, 0, 0, 0.06);
}