/* PETRION AI — Design Tokens */

:root {
    /* === COLORS === */

    /* Backgrounds */
    --bg-primary: #0A0E17;
    --bg-secondary: #111827;
    --bg-card: #1A1F2E;
    --bg-card-hover: #222838;

    /* Accent */
    --cyan: #00e5ff;
    --cyan-dim: #00B8D4;
    --cyan-glow: rgba(0, 229, 255, 0.15);
    --cyan-glow-strong: rgba(0, 229, 255, 0.35);

    /* Text */
    --text-primary: #F0F4F8;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    /* Gradient accents */
    --gradient-cyan: linear-gradient(135deg, #00E5FF, #00B8D4);
    --gradient-card: linear-gradient(180deg, rgba(0, 229, 255, 0.05) 0%, transparent 60%);
    --gradient-card-hover: linear-gradient(180deg, rgba(0, 229, 255, 0.1) 0%, transparent 60%);

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-cyan: rgba(0, 229, 255, 0.3);

    /* Shadows */
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-cyan: 0 0 20px rgba(0, 229, 255, 0.2);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.5);

    /* === TYPOGRAPHY === */

    /* Font families */
    --font-display: 'Work Sans', sans-serif;
    /* Display / Headings — ALL CAPS */
    --font-body: 'Outfit', sans-serif;
    /* Body text */
    --font-mono: 'JetBrains Mono', monospace;
    /* Code / Tech */

    /* Font sizes */
    --text-xs: 0.75rem;
    /* 12px */
    --text-sm: 0.875rem;
    /* 14px */
    --text-base: 1rem;
    /* 16px */
    --text-lg: 1.125rem;
    /* 18px */
    --text-xl: 1.25rem;
    /* 20px */
    --text-2xl: 1.5rem;
    /* 24px */
    --text-3xl: 1.875rem;
    /* 30px */
    --text-4xl: 2.25rem;
    /* 36px */
    --text-5xl: 3rem;
    /* 48px */
    --text-6xl: 3.75rem;
    /* 60px */

    /* Font weights */
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;

    /* Line heights */
    --leading-tight: 1.2;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    /* === SPACING === */

    --space-0: 0;
    --space-1: 0.25rem;
    /* 4px */
    --space-2: 0.5rem;
    /* 8px */
    --space-3: 0.75rem;
    /* 12px */
    --space-4: 1rem;
    /* 16px */
    --space-5: 1.25rem;
    /* 20px */
    --space-6: 1.5rem;
    /* 24px */
    --space-7: 1.75rem;
    /* 28px */
    --space-8: 2rem;
    /* 32px */
    --space-10: 2.5rem;
    /* 40px */
    --space-12: 3rem;
    /* 48px */
    --space-16: 4rem;
    /* 64px */
    --space-20: 5rem;
    /* 80px */
    --space-24: 6rem;
    /* 96px */

    /* === BORDER RADIUS === */

    --radius-sm: 0.375rem;
    /* 6px */
    --radius-md: 0.5rem;
    /* 8px */
    --radius-lg: 0.75rem;
    /* 12px */
    --radius-xl: 1rem;
    /* 16px */
    --radius-2xl: 1.5rem;
    /* 24px */
    --radius-full: 9999px;

    /* === TRANSITIONS === */

    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);

    --duration-150: 150ms;
    --duration-200: 200ms;
    --duration-300: 300ms;
    --duration-500: 500ms;
    --duration-700: 700ms;

    /* === BREAKPOINTS (for reference) === */
    /* Mobile: < 640px */
    /* Tablet: 640px - 1024px */
    /* Desktop: > 1024px */

    /* === CONTAINER === */

    --container-max: 1280px;
    --container-padding: 1.5rem;
    /* 24px */
}

/* Dark mode (default) */
@media (prefers-color-scheme: dark) {
    :root {
        /* Already set above */
    }
}

/* Light mode (optional) */
@media (prefers-color-scheme: light) {
    :root {
        --bg-primary: #FFFFFF;
        --bg-secondary: #F8F9FA;
        --bg-card: #F3F4F6;
        --bg-card-hover: #E5E7EB;

        --text-primary: #111827;
        --text-secondary: #4B5563;
        --text-muted: #9CA3AF;
    }
}