:root {
    /* Futuristic LYS Palette */
    --color-light: #FAF9F6;
    --color-white: #FFFFFF;
    --color-dark: #141414;
    --color-medium-1: #C1BAB0;
    --color-medium-2: #B5AD9E;
    --color-medium-3: #877C6D;
    --color-success: #4A7B59;
    --color-past: #D1CCC5;
    --color-cancel: #D46A6A;
    --color-cancel-light: rgba(212, 106, 106, 0.08);

    /* Futuristic Variables */
    --accent-glow: 0 0 20px rgba(20, 20, 20, 0.1);
    --accent-glow-strong: 0 0 30px rgba(20, 20, 20, 0.15);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.8);
    --glass-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);

    --color-surface: rgba(255, 255, 255, 0.9);
    --color-surface-soft: rgba(255, 255, 255, 0.6);
    --color-border: rgba(20, 20, 20, 0.08);
    --color-border-strong: rgba(20, 20, 20, 0.14);
    --shadow-elevated: 0 18px 45px rgba(0, 0, 0, 0.08);
    --shadow-3d: 0 12px 24px rgba(20, 20, 20, 0.15);
    --shadow-float: 0 16px 30px rgba(0, 0, 0, 0.12);

    --font-heading: 'Alata', sans-serif;
    --font-body: 'Outfit', sans-serif;

    --sidebar-width: 250px;
    --header-height: 110px;
    --datebar-height: 80px;

    /* Responsive layout (viewport-based) */
    --responsive-sidebar-w: 96px;
    --responsive-header-h: 128px;

    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.06);
    --transition-smooth: all 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
    --transition-quick: all 0.2s ease;
    --radius-xl: 32px;
    --radius-lg: 20px;
    --radius-md: 12px;

    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.12);
}