/* ==========================================================================
   Contexa Design Tokens
   AI Native Zero Trust Platform for Spring
   ========================================================================== */

:root {
  /* ── Background ── */
  --bg-primary: #FAF9F7;
  --bg-secondary: #F3F1ED;
  --bg-tertiary: #EBE8E2;
  --bg-code: #22272E;
  --bg-code-inline: #F0EDE8;
  --bg-nav: rgba(255, 255, 255, 0.92);
  --bg-nav-scrolled: rgba(255, 255, 255, 0.97);
  --bg-dropdown: rgba(255, 255, 255, 0.98);
  --bg-sidebar: #FFFFFF;
  --bg-hero-gradient: linear-gradient(135deg, #FAF9F7 0%, #EEF0F8 50%, #F3F1ED 100%);
  --bg-section-alt: #F7F5F2;

  /* ── Text ── */
  --text-primary: #1A1714;
  --text-secondary: #5C5650;
  --text-tertiary: #706A62;
  --text-inverse: #FAF9F7;
  --text-code: #E6EDF3;
  --text-link: #2563EB;
  --text-link-hover: #1D4ED8;

  /* ── Brand ── */
  --brand-primary: #2563EB;
  --brand-primary-hover: #1D4ED8;
  --brand-primary-light: #EFF6FF;
  --brand-secondary: #7C3AED;
  --brand-secondary-hover: #6D28D9;
  --brand-secondary-light: #F5F3FF;
  --brand-gradient: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  --brand-gradient-hover: linear-gradient(135deg, #1D4ED8 0%, #6D28D9 100%);
  --brand-accent: #00D4FF;
  --brand-accent-hover: #00BFEA;
  --brand-accent-light: rgba(0, 212, 255, 0.08);
  --brand-gradient-subtle: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(124, 58, 237, 0.08) 100%);

  /* ── Status ── */
  --color-success: #059669;
  --color-success-bg: #ECFDF5;
  --color-warning: #D97706;
  --color-warning-bg: #FFFBEB;
  --color-danger: #DC2626;
  --color-danger-bg: #FEF2F2;
  --color-info: #0891B2;
  --color-info-bg: #ECFEFF;

  /* ── Zero Trust Action Colors ── */
  --zt-allow: #059669;
  --zt-block: #DC2626;
  --zt-challenge: #D97706;
  --zt-escalate: #7C3AED;
  --zt-pending: #0891B2;

  /* ── Border ── */
  --border-light: #E8E5DF;
  --border-medium: #D1CDC5;
  --border-heavy: #B8B3AB;
  --border-brand: rgba(37, 99, 235, 0.3);

  /* ── Shadow ── */
  --shadow-xs: 0 1px 2px rgba(26, 23, 20, 0.04);
  --shadow-sm: 0 1px 3px rgba(26, 23, 20, 0.06), 0 1px 2px rgba(26, 23, 20, 0.04);
  --shadow-md: 0 4px 6px rgba(26, 23, 20, 0.04), 0 2px 4px rgba(26, 23, 20, 0.06);
  --shadow-lg: 0 10px 25px rgba(26, 23, 20, 0.06), 0 4px 10px rgba(26, 23, 20, 0.04);
  --shadow-xl: 0 20px 40px rgba(26, 23, 20, 0.08), 0 8px 16px rgba(26, 23, 20, 0.04);
  --shadow-glass: 0 8px 32px rgba(26, 23, 20, 0.06), 0 2px 8px rgba(26, 23, 20, 0.04);
  --shadow-brand: 0 4px 14px rgba(37, 99, 235, 0.25);
  --shadow-nav: 0 1px 12px rgba(0, 0, 0, 0.06);

  /* ── Typography ── */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', 'Monaco', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

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

  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 1.75;

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

  /* ── Spacing ── */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ── Layout ── */
  --max-width: 1280px;
  --max-width-narrow: 960px;
  --max-width-wide: 1440px;
  --sidebar-width: 280px;
  --header-height: 76px;
  --content-max-width: 800px;
  --docs-content-max-width: 860px;

  /* ── Border Radius ── */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --radius-full: 9999px;

  /* ── Transitions ── */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* ── Z-index ── */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

/* ==========================================================================
   Dark Theme
   ========================================================================== */

[data-theme="dark"] {
  /* ── Background ── */
  --bg-primary: #0D0D12;
  --bg-secondary: #16161E;
  --bg-tertiary: #1E1E28;
  --bg-code: #1A1A24;
  --bg-code-inline: #1E1E28;
  --bg-nav: rgba(13, 13, 18, 0.92);
  --bg-nav-scrolled: rgba(13, 13, 18, 0.97);
  --bg-dropdown: rgba(22, 22, 30, 0.98);
  --bg-sidebar: #13131A;
  --bg-hero-gradient: linear-gradient(135deg, #0D0D12 0%, #12121C 50%, #16161E 100%);
  --bg-section-alt: #12121A;

  /* ── Text ── */
  --text-primary: #E8E6E3;
  --text-secondary: #A09A92;
  --text-tertiary: #706A62;
  --text-inverse: #0D0D12;
  --text-code: #E6EDF3;
  --text-link: #60A5FA;
  --text-link-hover: #93C5FD;

  /* ── Brand ── */
  --brand-primary: #60A5FA;
  --brand-primary-hover: #93C5FD;
  --brand-primary-light: rgba(96, 165, 250, 0.1);
  --brand-secondary: #A78BFA;
  --brand-secondary-hover: #C4B5FD;
  --brand-secondary-light: rgba(167, 139, 250, 0.1);
  --brand-gradient: linear-gradient(135deg, #60A5FA 0%, #A78BFA 100%);
  --brand-gradient-hover: linear-gradient(135deg, #93C5FD 0%, #C4B5FD 100%);
  --brand-accent: #00D4FF;
  --brand-accent-light: rgba(0, 212, 255, 0.12);
  --brand-gradient-subtle: linear-gradient(135deg, rgba(96, 165, 250, 0.08) 0%, rgba(167, 139, 250, 0.08) 100%);

  /* ── Status ── */
  --color-success: #34D399;
  --color-success-bg: rgba(52, 211, 153, 0.1);
  --color-warning: #FBBF24;
  --color-warning-bg: rgba(251, 191, 36, 0.1);
  --color-danger: #F87171;
  --color-danger-bg: rgba(248, 113, 113, 0.1);
  --color-info: #22D3EE;
  --color-info-bg: rgba(34, 211, 238, 0.1);

  /* ── Border ── */
  --border-light: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.12);
  --border-heavy: rgba(255, 255, 255, 0.18);
  --border-brand: rgba(96, 165, 250, 0.3);

  /* ── Shadow ── */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.2), 0 2px 4px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.25), 0 4px 10px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.3), 0 8px 16px rgba(0, 0, 0, 0.15);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.25), 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-brand: 0 4px 14px rgba(96, 165, 250, 0.2);
  --shadow-nav: 0 1px 12px rgba(0, 0, 0, 0.3);
}

/* Auto dark mode for users without explicit preference */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-primary: #0D0D12;
    --bg-secondary: #16161E;
    --bg-tertiary: #1E1E28;
    --bg-code: #1A1A24;
    --bg-code-inline: #1E1E28;
    --bg-nav: rgba(13, 13, 18, 0.92);
    --bg-nav-scrolled: rgba(13, 13, 18, 0.97);
    --bg-dropdown: rgba(22, 22, 30, 0.98);
    --bg-sidebar: #13131A;
    --bg-hero-gradient: linear-gradient(135deg, #0D0D12 0%, #12121C 50%, #16161E 100%);
    --bg-section-alt: #12121A;
    --text-primary: #E8E6E3;
    --text-secondary: #A09A92;
    --text-tertiary: #706A62;
    --text-inverse: #0D0D12;
    --text-link: #60A5FA;
    --text-link-hover: #93C5FD;
    --brand-primary: #60A5FA;
    --brand-primary-hover: #93C5FD;
    --brand-primary-light: rgba(96, 165, 250, 0.1);
    --brand-secondary: #A78BFA;
    --brand-secondary-hover: #C4B5FD;
    --brand-secondary-light: rgba(167, 139, 250, 0.1);
    --brand-gradient: linear-gradient(135deg, #60A5FA 0%, #A78BFA 100%);
    --brand-gradient-hover: linear-gradient(135deg, #93C5FD 0%, #C4B5FD 100%);
    --brand-accent: #00D4FF;
    --brand-accent-light: rgba(0, 212, 255, 0.12);
    --brand-gradient-subtle: linear-gradient(135deg, rgba(96, 165, 250, 0.08) 0%, rgba(167, 139, 250, 0.08) 100%);
    --color-success: #34D399;
    --color-success-bg: rgba(52, 211, 153, 0.1);
    --color-warning: #FBBF24;
    --color-warning-bg: rgba(251, 191, 36, 0.1);
    --color-danger: #F87171;
    --color-danger-bg: rgba(248, 113, 113, 0.1);
    --color-info: #22D3EE;
    --color-info-bg: rgba(34, 211, 238, 0.1);
    --border-light: rgba(255, 255, 255, 0.08);
    --border-medium: rgba(255, 255, 255, 0.12);
    --border-heavy: rgba(255, 255, 255, 0.18);
    --border-brand: rgba(96, 165, 250, 0.3);
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.2), 0 2px 4px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.25), 0 4px 10px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.3), 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.25), 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-brand: 0 4px 14px rgba(96, 165, 250, 0.2);
    --shadow-nav: 0 1px 12px rgba(0, 0, 0, 0.3);
  }
}