/* ============================================================
   AGENCY OS — Design Tokens
   All colors, typography, spacing, shadows defined here.
   Light mode = default. Dark mode via [data-theme="dark"]
   ============================================================ */

:root {
  /* ── Brand Colors ── */
  --brand-primary: #1FB6A6;
  --brand-primary-light: #4DD4C8;
  --brand-primary-dark: #178F82;
  --brand-secondary: #0F2A43;
  --brand-accent: #F5A623;
  --brand-accent-light: #FFD080;
  --brand-danger: #E85C4A;
  --brand-danger-light: #FCEAE7;
  --brand-success: #22C55E;
  --brand-success-light: #E4F8F0;
  --brand-warning: #F59E0B;
  --brand-warning-light: #FEF3DE;
  --brand-info: #3B82F6;
  --brand-info-light: #EBF2FF;
  --brand-purple: #8B5CF6;
  --brand-purple-light: #F0EBFF;

  /* ── Light Mode Surfaces ── */
  --bg-app: #F0F2F5;
  --bg-sidebar: #0F2A43;
  --bg-sidebar-hover: #16344F;
  --bg-sidebar-active: rgba(31, 182, 166, 0.12);
  --bg-surface: #FFFFFF;
  --bg-surface-raised: #FFFFFF;
  --bg-surface-overlay: rgba(255, 255, 255, 0.85);
  --bg-surface-hover: #F7F8FA;
  --bg-input: #FFFFFF;
  --bg-modal-backdrop: rgba(15, 42, 67, 0.5);
  --bg-skeleton: linear-gradient(90deg, #E8ECF0 25%, #F0F2F5 50%, #E8ECF0 75%);

  /* ── Text Colors ── */
  --text-primary: #0F2A43;
  --text-secondary: #5B6B7C;
  --text-tertiary: #8896A6;
  --text-inverse: #FFFFFF;
  --text-link: #1FB6A6;
  --text-sidebar: #C9D6E2;
  --text-sidebar-active: #FFFFFF;

  /* ── Borders ── */
  --border-default: #E1E6EB;
  --border-light: #EEF1F4;
  --border-focus: #1FB6A6;
  --border-error: #E85C4A;

  /* ── Shadows ── */
  --shadow-xs: 0 1px 2px rgba(15, 42, 67, 0.04);
  --shadow-sm: 0 1px 3px rgba(15, 42, 67, 0.06), 0 1px 2px rgba(15, 42, 67, 0.04);
  --shadow-md: 0 4px 6px rgba(15, 42, 67, 0.06), 0 2px 4px rgba(15, 42, 67, 0.04);
  --shadow-lg: 0 10px 24px rgba(15, 42, 67, 0.08), 0 4px 8px rgba(15, 42, 67, 0.04);
  --shadow-xl: 0 20px 40px rgba(15, 42, 67, 0.12), 0 8px 16px rgba(15, 42, 67, 0.06);
  --shadow-glow: 0 0 20px rgba(31, 182, 166, 0.15);
  --shadow-card-hover: 0 8px 30px rgba(15, 42, 67, 0.1);

  /* ── Glass Effect ── */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-blur: 12px;

  /* ── Typography ── */
  --font-heading: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font Sizes */
  --text-xs: 0.6875rem;    /* 11px */
  --text-sm: 0.8125rem;    /* 13px */
  --text-base: 0.875rem;   /* 14px */
  --text-md: 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 */

  /* Font Weights */
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* ── Spacing Scale ── */
  --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 */

  /* ── Border Radius ── */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  /* ── Layout ── */
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 72px;
  --topbar-height: 0px;
  --content-max-width: 1400px;
  --modal-width-sm: 420px;
  --modal-width-md: 600px;
  --modal-width-lg: 800px;

  /* ── Z-Index Scale ── */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-sidebar: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-toast: 600;
  --z-tooltip: 700;
  --z-search: 800;

  /* ── Transitions ── */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================================
   DARK MODE
   ============================================================ */
[data-theme="dark"] {
  --bg-app: #0B1929;
  --bg-sidebar: #071220;
  --bg-sidebar-hover: #0E1F33;
  --bg-sidebar-active: rgba(31, 182, 166, 0.15);
  --bg-surface: #111D2E;
  --bg-surface-raised: #162538;
  --bg-surface-overlay: rgba(17, 29, 46, 0.9);
  --bg-surface-hover: #1A2D42;
  --bg-input: #162538;
  --bg-modal-backdrop: rgba(7, 18, 32, 0.7);
  --bg-skeleton: linear-gradient(90deg, #162538 25%, #1A2D42 50%, #162538 75%);

  --text-primary: #E8EDF2;
  --text-secondary: #8896A6;
  --text-tertiary: #5B6B7C;
  --text-inverse: #0F2A43;

  --border-default: #1E3148;
  --border-light: #162538;

  --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, 0.25), 0 2px 4px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 24px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.35), 0 8px 16px rgba(0, 0, 0, 0.2);
  --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.3);

  --glass-bg: rgba(17, 29, 46, 0.7);
  --glass-border: rgba(30, 49, 72, 0.5);

  --brand-danger-light: #2D1A17;
  --brand-success-light: #0F2D1A;
  --brand-warning-light: #2D2410;
  --brand-info-light: #13203A;
  --brand-purple-light: #1E1535;
}