:root {
    --background: oklch(1 0 0);
    --foreground: oklch(0.3211 0 0);

    --card: oklch(1 0 0);
    --card-foreground: oklch(0.3211 0 0);

    --popover: oklch(1 0 0);
    --popover-foreground: oklch(0.3211 0 0);

    /* #215893 */
    --primary: oklch(0.4553 0.1123 252.9087);
    --primary-foreground: oklch(1 0 0);

    --secondary: oklch(0.9650 0.0100 252.9087);
    --secondary-foreground: oklch(0.4300 0.0300 252.9087);

    --muted: oklch(0.9850 0.0060 252.9087);
    --muted-foreground: oklch(0.5500 0.0200 252.9087);

    /* #3ac0ca (used for accents + charts) */
    --accent: oklch(0.9500 0.0350 202.4059);
    --accent-foreground: oklch(0.4553 0.1123 252.9087);

    --destructive: oklch(0.6368 0.2078 25.3313);
    --destructive-foreground: oklch(1 0 0);

    --border: oklch(0.9300 0.0120 252.9087);
    --input: oklch(0.9300 0.0120 252.9087);
    --ring: oklch(0.4553 0.1123 252.9087);

    --chart-1: oklch(0.4553 0.1123 252.9087);
    --chart-2: oklch(0.7418 0.1123 202.4059);
    --chart-3: oklch(0.6200 0.1000 252.9087);
    --chart-4: oklch(0.5800 0.1000 202.4059);
    --chart-5: oklch(0.4000 0.0900 252.9087);

    --sidebar: oklch(0.9850 0.0060 252.9087);
    --sidebar-foreground: oklch(0.3211 0 0);
    --sidebar-primary: oklch(0.4553 0.1123 252.9087);
    --sidebar-primary-foreground: oklch(1 0 0);
    --sidebar-accent: oklch(0.9500 0.0350 202.4059);
    --sidebar-accent-foreground: oklch(0.4553 0.1123 252.9087);
    --sidebar-border: oklch(0.9300 0.0120 252.9087);
    --sidebar-ring: oklch(0.4553 0.1123 252.9087);

    --radius: 0.75rem;
    --shadow-x: 0;
    --shadow-y: 1px;
    --shadow-blur: 3px;
    --shadow-spread: 0px;
    --shadow-opacity: 0.1;
    --shadow-color: oklch(0 0 0);
    --shadow-2xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
    --shadow-xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
    --shadow-sm:
        0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 1px 2px -1px hsl(0 0% 0% / 0.1);
    --shadow:
        0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 1px 2px -1px hsl(0 0% 0% / 0.1);
    --shadow-md:
        0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 2px 4px -1px hsl(0 0% 0% / 0.1);
    --shadow-lg:
        0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 4px 6px -1px hsl(0 0% 0% / 0.1);
    --shadow-xl:
        0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 8px 10px -1px hsl(0 0% 0% / 0.1);
    --shadow-2xl: 0 1px 3px 0px hsl(0 0% 0% / 0.25);

    --tracking-normal: 0em;
    --spacing: 0.25rem;

    --particles-from: oklch(12% 0.035 252.91); /* deep navy (based on #215893) */
    --particles-via:  oklch(18% 0.055 242.00); /* blue → blue-teal bridge */
    --particles-to:   oklch(24% 0.065 214.00); /* deep teal (towards #3ac0ca) */
}

.dark {
    --background: oklch(0.2050 0.0100 252.9087);
    --foreground: oklch(0.9219 0 0);

    --card: oklch(0.2700 0.0100 252.9087);
    --card-foreground: oklch(0.9219 0 0);

    --popover: oklch(0.2700 0.0100 252.9087);
    --popover-foreground: oklch(0.9219 0 0);

    --primary: oklch(0.4553 0.1123 252.9087);
    --primary-foreground: oklch(1 0 0);

    --secondary: oklch(0.2700 0.0100 252.9087);
    --secondary-foreground: oklch(0.9219 0 0);

    --muted: oklch(0.2400 0.0100 252.9087);
    --muted-foreground: oklch(0.7200 0.0100 252.9087);

    --accent: oklch(0.3500 0.0700 202.4059);
    --accent-foreground: oklch(0.8800 0.0500 202.4059);

    --destructive: oklch(0.6368 0.2078 25.3313);
    --destructive-foreground: oklch(1 0 0);

    --border: oklch(0.3700 0.0100 252.9087);
    --input: oklch(0.3700 0.0100 252.9087);
    --ring: oklch(0.4553 0.1123 252.9087);

    --chart-1: oklch(0.7800 0.0900 202.4059);
    --chart-2: oklch(0.4553 0.1123 252.9087);
    --chart-3: oklch(0.6000 0.1200 252.9087);
    --chart-4: oklch(0.5400 0.1000 202.4059);
    --chart-5: oklch(0.4600 0.0900 252.9087);

    --sidebar: oklch(0.2050 0.0100 252.9087);
    --sidebar-foreground: oklch(0.9219 0 0);
    --sidebar-primary: oklch(0.4553 0.1123 252.9087);
    --sidebar-primary-foreground: oklch(1 0 0);
    --sidebar-accent: oklch(0.3500 0.0700 202.4059);
    --sidebar-accent-foreground: oklch(0.8800 0.0500 202.4059);
    --sidebar-border: oklch(0.3700 0.0100 252.9087);
    --sidebar-ring: oklch(0.4553 0.1123 252.9087);

    --shadow-x: 0;
    --shadow-y: 1px;
    --shadow-blur: 3px;
    --shadow-spread: 0px;
    --shadow-opacity: 0.1;
    --shadow-color: oklch(0 0 0);
    --shadow-2xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
    --shadow-xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
    --shadow-sm:
        0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 1px 2px -1px hsl(0 0% 0% / 0.1);
    --shadow:
        0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 1px 2px -1px hsl(0 0% 0% / 0.1);
    --shadow-md:
        0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 2px 4px -1px hsl(0 0% 0% / 0.1);
    --shadow-lg:
        0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 4px 6px -1px hsl(0 0% 0% / 0.1);
    --shadow-xl:
        0 1px 3px 0px hsl(0 0% 0% / 0.1), 0 8px 10px -1px hsl(0 0% 0% / 0.1);
    --shadow-2xl: 0 1px 3px 0px hsl(0 0% 0% / 0.25);
}