/* ==========================================================================
   Design System Tokens — One Agent Company
   ========================================================================== */

/* Animated gradient angle property */
@property --gradient-angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

:root {
  /* -----------------------------------------------------------------------
     Colors — Backgrounds
     ----------------------------------------------------------------------- */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8f9fc;
  --color-bg-tertiary: #f1f3f9;

  /* -----------------------------------------------------------------------
     Colors — Text
     ----------------------------------------------------------------------- */
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #94a3b8;
  --color-text-inverse: #ffffff;

  /* -----------------------------------------------------------------------
     Colors — Brand
     ----------------------------------------------------------------------- */
  --color-indigo: #6366f1;
  --color-indigo-light: #818cf8;
  --color-indigo-dark: #4f46e5;
  --color-violet: #8b5cf6;
  --color-violet-light: #a78bfa;
  --color-violet-dark: #7c3aed;
  --color-cyan: #06b6d4;
  --color-cyan-light: #22d3ee;
  --color-cyan-dark: #0891b2;

  /* -----------------------------------------------------------------------
     Colors — Semantic
     ----------------------------------------------------------------------- */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* -----------------------------------------------------------------------
     Colors — Borders & Dividers
     ----------------------------------------------------------------------- */
  --color-border: rgba(0, 0, 0, 0.06);
  --color-border-strong: rgba(0, 0, 0, 0.12);
  --color-divider: rgba(0, 0, 0, 0.04);

  /* -----------------------------------------------------------------------
     Glass-morphism
     ----------------------------------------------------------------------- */
  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-bg-strong: rgba(255, 255, 255, 0.25);
  --glass-bg-subtle: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(40px) saturate(200%);
  --glass-blur-strong: blur(48px) saturate(220%);
  --glass-border: rgba(255, 255, 255, 0.15);
  --glass-border-strong: rgba(255, 255, 255, 0.3);
  --glass-highlight: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --glass-shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.4);

  /* -----------------------------------------------------------------------
     Gradients
     ----------------------------------------------------------------------- */
  --gradient-main: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
  --gradient-main-reverse: linear-gradient(315deg, #6366f1, #8b5cf6, #06b6d4);
  --gradient-subtle: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.08), rgba(6, 182, 212, 0.08));
  --gradient-conic: conic-gradient(from var(--gradient-angle), #6366f1, #8b5cf6, #06b6d4, #6366f1);
  --gradient-radial: radial-gradient(ellipse at 50% 50%, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.08), transparent 70%);
  --gradient-text: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);

  /* -----------------------------------------------------------------------
     Spacing Scale (4px base)
     ----------------------------------------------------------------------- */
  --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-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: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* -----------------------------------------------------------------------
     Typography
     ----------------------------------------------------------------------- */
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", "SF Mono", Consolas, monospace;

  --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 */

  --leading-none: 1;
  --leading-tight: 1.2;
  --leading-snug: 1.375;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;

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

  /* -----------------------------------------------------------------------
     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-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* -----------------------------------------------------------------------
     Shadows
     ----------------------------------------------------------------------- */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
  --shadow-2xl: 0 24px 64px rgba(0, 0, 0, 0.16);
  --shadow-glow-indigo: 0 0 40px rgba(99, 102, 241, 0.3);
  --shadow-glow-violet: 0 0 40px rgba(139, 92, 246, 0.3);
  --shadow-glow-cyan: 0 0 40px rgba(6, 182, 212, 0.3);

  /* -----------------------------------------------------------------------
     Z-Index Scale
     ----------------------------------------------------------------------- */
  --z-base: 0;
  --z-above: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 500;
  --z-modal: 600;
  --z-popover: 700;
  --z-toast: 800;
  --z-tooltip: 900;
  --z-nav: 1000;
  --z-max: 9999;

  /* -----------------------------------------------------------------------
     Layout
     ----------------------------------------------------------------------- */
  --container-max: 1200px;
  --container-padding: var(--space-6);
  --nav-height: 80px;
  --nav-height-scrolled: 64px;
}

/* Animated gradient angle keyframes */
@keyframes gradient-rotate {
  0% {
    --gradient-angle: 0deg;
  }
  100% {
    --gradient-angle: 360deg;
  }
}