/* ==========================================================================
   DoYouPrompt Design System - CSS Custom Properties
   ========================================================================== */

:root {
  /* ------------------------------------------------------------------
     Color Palette - Primary (Indigo)
     ------------------------------------------------------------------ */
  --color-primary-50: #EEF2FF;
  --color-primary-100: #E0E7FF;
  --color-primary-200: #C7D2FE;
  --color-primary-300: #A5B4FC;
  --color-primary-400: #818CF8;
  --color-primary-500: #6366F1;
  --color-primary-600: #4F46E5;
  --color-primary-700: #4338CA;
  --color-primary-800: #3730A3;
  --color-primary-900: #312E81;
  --color-primary-950: #1E1B4B;
  --color-primary: var(--color-primary-600);

  /* ------------------------------------------------------------------
     Color Palette - Secondary (Teal)
     ------------------------------------------------------------------ */
  --color-secondary-50: #F0FDFA;
  --color-secondary-100: #CCFBF1;
  --color-secondary-200: #99F6E4;
  --color-secondary-300: #5EEAD4;
  --color-secondary-400: #2DD4BF;
  --color-secondary-500: #14B8A6;
  --color-secondary-600: #0D9488;
  --color-secondary-700: #0F766E;
  --color-secondary-800: #115E59;
  --color-secondary-900: #134E4A;
  --color-secondary-950: #042F2E;
  --color-secondary: var(--color-secondary-600);

  /* ------------------------------------------------------------------
     Semantic Colors
     ------------------------------------------------------------------ */
  --color-success: #059669;
  --color-success-light: #D1FAE5;
  --color-success-dark: #047857;

  --color-warning: #D97706;
  --color-warning-light: #FEF3C7;
  --color-warning-dark: #B45309;

  --color-danger: #DC2626;
  --color-danger-light: #FEE2E2;
  --color-danger-dark: #B91C1C;

  --color-info: #2563EB;
  --color-info-light: #DBEAFE;
  --color-info-dark: #1D4ED8;

  /* ------------------------------------------------------------------
     Neutrals (Slate)
     ------------------------------------------------------------------ */
  --color-neutral-50: #F8FAFC;
  --color-neutral-100: #F1F5F9;
  --color-neutral-200: #E2E8F0;
  --color-neutral-300: #CBD5E1;
  --color-neutral-400: #94A3B8;
  --color-neutral-500: #64748B;
  --color-neutral-600: #475569;
  --color-neutral-700: #334155;
  --color-neutral-800: #1E293B;
  --color-neutral-900: #0F172A;
  --color-neutral-950: #020617;

  /* ------------------------------------------------------------------
     Surface & Background
     ------------------------------------------------------------------ */
  --color-bg: #F8FAFC;
  --color-bg-alt: #F1F5F9;
  --color-surface: #FFFFFF;
  --color-surface-raised: #FFFFFF;
  --color-surface-overlay: rgba(15, 23, 42, 0.5);

  /* ------------------------------------------------------------------
     Text Colors
     ------------------------------------------------------------------ */
  --color-text-primary: #0F172A;
  --color-text-secondary: #475569;
  --color-text-muted: #94A3B8;
  --color-text-inverse: #FFFFFF;
  --color-text-link: var(--color-primary-600);
  --color-text-link-hover: var(--color-primary-700);

  /* ------------------------------------------------------------------
     Border Colors
     ------------------------------------------------------------------ */
  --color-border: #E2E8F0;
  --color-border-light: #F1F5F9;
  --color-border-dark: #CBD5E1;
  --color-border-focus: var(--color-primary-500);

  /* ------------------------------------------------------------------
     Typography
     ------------------------------------------------------------------ */
  --font-family-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, 'Noto Sans', 'Noto Sans Hebrew', sans-serif,
    'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
  --font-family-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas,
    'Liberation Mono', monospace;

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

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;

  /* ------------------------------------------------------------------
     Spacing Scale (0.25rem = 4px increments)
     ------------------------------------------------------------------ */
  --space-0: 0;
  --space-px: 1px;
  --space-0-5: 0.125rem;  /* 2px */
  --space-1: 0.25rem;     /* 4px */
  --space-1-5: 0.375rem;  /* 6px */
  --space-2: 0.5rem;      /* 8px */
  --space-2-5: 0.625rem;  /* 10px */
  --space-3: 0.75rem;     /* 12px */
  --space-3-5: 0.875rem;  /* 14px */
  --space-4: 1rem;        /* 16px */
  --space-5: 1.25rem;     /* 20px */
  --space-6: 1.5rem;      /* 24px */
  --space-7: 1.75rem;     /* 28px */
  --space-8: 2rem;        /* 32px */
  --space-9: 2.25rem;     /* 36px */
  --space-10: 2.5rem;     /* 40px */
  --space-11: 2.75rem;    /* 44px */
  --space-12: 3rem;       /* 48px */
  --space-14: 3.5rem;     /* 56px */
  --space-16: 4rem;       /* 64px */
  --space-20: 5rem;       /* 80px */
  --space-24: 6rem;       /* 96px */
  --space-32: 8rem;       /* 128px */

  /* ------------------------------------------------------------------
     Border Radius
     ------------------------------------------------------------------ */
  --radius-none: 0;
  --radius-sm: 0.25rem;    /* 4px */
  --radius-md: 0.375rem;   /* 6px */
  --radius-lg: 0.5rem;     /* 8px */
  --radius-xl: 0.75rem;    /* 12px */
  --radius-2xl: 1rem;      /* 16px */
  --radius-3xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;

  /* ------------------------------------------------------------------
     Shadows
     ------------------------------------------------------------------ */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
               0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
               0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
               0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
  --shadow-focus: 0 0 0 3px rgba(79, 70, 229, 0.3);
  --shadow-focus-danger: 0 0 0 3px rgba(220, 38, 38, 0.3);

  /* ------------------------------------------------------------------
     Transitions
     ------------------------------------------------------------------ */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);

  /* ------------------------------------------------------------------
     Z-Index Scale
     ------------------------------------------------------------------ */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-sidebar: 400;
  --z-modal-backdrop: 500;
  --z-modal: 600;
  --z-popover: 700;
  --z-tooltip: 800;
  --z-toast: 900;
  --z-max: 9999;

  /* ------------------------------------------------------------------
     Layout
     ------------------------------------------------------------------ */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1440px;

  --sidebar-width: 260px;
  --sidebar-collapsed-width: 64px;
  --navbar-height: 56px;
  --utility-bar-height: 48px;

  /* ------------------------------------------------------------------
     Workspace Pane Defaults
     ------------------------------------------------------------------ */
  --workspace-left-width: 25%;
  --workspace-left-min: 240px;
  --workspace-left-max: 400px;
  --workspace-right-width: 25%;
  --workspace-right-min: 240px;
  --workspace-right-max: 400px;
  --workspace-divider: 4px;
}