:root {
    color-scheme: dark;

    --color-bg: #070B14;
    --color-surface: #0E1624;
    --color-surface-2: #152033;
    --color-border: #1F2C42;
    --color-primary: #1E9BFF;
    --color-primary-strong: #0B63D6;
    --color-accent: #22D3EE;
    --color-text: #F4F7FB;
    --color-text-muted: #9AA7BA;
    --color-success: #22C55E;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-whatsapp: #25D366;
    --color-on-primary: #04111F;
    --color-on-whatsapp: #04140A;
    --color-surface-translucent: rgb(14 22 36 / 0.8);
    --color-qr-paper: #FFFFFF;
    --color-qr-ink: #070B14;

    --chart-series: var(--color-primary);
    --chart-highlight: var(--color-accent);
    --chart-compare-first: #178FF0;
    --chart-compare-second: #D9734F;
    --chart-goal: var(--color-text-muted);
    --chart-grid: var(--color-border);
    --chart-track: var(--color-surface-2);
    --chart-hover: rgb(244 247 251 / 0.05);
    --chart-surface: var(--color-surface);
    --chart-label: var(--color-text);
    --chart-axis-text: var(--color-text-muted);
    --chart-good: var(--color-success);
    --chart-bad: var(--color-danger);
    --chart-area-opacity: 0.12;
    --chart-heat-0: var(--color-surface-2);
    --chart-heat-1: color-mix(in oklab, var(--color-primary) 30%, var(--color-surface-2));
    --chart-heat-2: color-mix(in oklab, var(--color-primary) 55%, var(--color-surface-2));
    --chart-heat-3: color-mix(in oklab, var(--color-primary) 80%, var(--color-surface-2));
    --chart-heat-4: var(--color-primary);

    --gradient-brand: linear-gradient(135deg, var(--color-primary-strong), var(--color-accent));

    --font-heading: "Montserrat", "Segoe UI", system-ui, sans-serif;
    --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
    --font-script: "Caveat", "Segoe Script", cursive;

    --weight-regular: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;
    --weight-extrabold: 800;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-md: 1rem;
    --text-lg: 1.125rem;
    --text-xl: clamp(1.25rem, 1.1rem + 0.8vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
    --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
    --text-hero: clamp(2.5rem, 1.8rem + 4vw, 4.5rem);

    --leading-tight: 1.15;
    --leading-normal: 1.6;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-pill: 999px;

    --shadow-card: 0 8px 24px rgb(0 0 0 / 0.35);
    --glow-primary: 0 0 24px rgb(30 155 255 / 0.35);

    --focus-ring: 0 0 0 3px var(--color-bg), 0 0 0 5px var(--color-accent);

    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --easing-out: cubic-bezier(0.22, 1, 0.36, 1);

    --container-max: 1200px;
    --gutter: 16px;
    --header-height: 64px;
    --manager-sidebar-width: 248px;
    --manager-topbar-height: 60px;
    --manager-bottom-nav-height: 64px;
    --manager-content-max: 1440px;
}

@media (min-width: 600px) {
    :root {
        --gutter: 24px;
    }
}