/* ============================================================
   Legacy Financial Planning — Design Tokens
   Brand: trustworthy, premium, local Melbourne. Mortgage-first.
   ============================================================ */

:root,
[data-theme='light'] {
  /* Surfaces — warm off-white, paper-like */
  --color-bg: #F6F2EB;
  --color-surface: #FBF8F2;
  --color-surface-2: #FFFEFA;
  --color-surface-offset: #EFE9DE;
  --color-surface-offset-2: #E6DFCF;
  --color-divider: #DBD3C2;
  --color-border: #C9C0AC;

  /* Text — deep, ink-like */
  --color-text: #14211F;            /* near-black with green undertone */
  --color-text-muted: #5C6360;
  --color-text-faint: #97978F;
  --color-text-inverse: #FBF8F2;

  /* Primary — deep, forest/teal "trust" green */
  --color-primary: #1F4D3F;
  --color-primary-hover: #163A2F;
  --color-primary-active: #0F2A22;
  --color-primary-highlight: #D4E0D8;

  /* Secondary accent — warm copper for moments of warmth */
  --color-accent: #A8662C;
  --color-accent-hover: #8E5421;
  --color-accent-highlight: #ECDDC9;

  /* States */
  --color-success: #2E6B3D;
  --color-warning: #B25C1E;
  --color-error:   #9E2A4B;

  /* Type sizes (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.25vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.125rem);
  --text-2xl: clamp(2rem, 1.4rem + 2.25vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1.5rem + 3vw, 4.25rem);
  --text-hero: clamp(2.75rem, 1rem + 5.5vw, 5.5rem);

  /* Spacing (4px base) */
  --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;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows — tone matched to warm surfaces */
  --shadow-sm: 0 1px 2px rgba(20, 33, 31, 0.06);
  --shadow-md: 0 6px 18px rgba(20, 33, 31, 0.08);
  --shadow-lg: 0 18px 40px rgba(20, 33, 31, 0.12);

  /* Layout */
  --content-narrow: 680px;
  --content-default: 1040px;
  --content-wide: 1240px;

  /* Transition */
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Fonts (loaded in HTML head) */
  --font-display: 'Fraunces', 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Manrope', 'Inter', system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
}

/* DARK MODE */
[data-theme='dark'] {
  --color-bg: #101A18;
  --color-surface: #15201E;
  --color-surface-2: #1A2624;
  --color-surface-offset: #1F2C29;
  --color-surface-offset-2: #25332F;
  --color-divider: #2D3A36;
  --color-border: #3A4742;

  --color-text: #E8E4DA;
  --color-text-muted: #9CA39D;
  --color-text-faint: #6E746E;
  --color-text-inverse: #14211F;

  --color-primary: #6FB196;
  --color-primary-hover: #88C5AC;
  --color-primary-active: #56987C;
  --color-primary-highlight: #1F3A30;

  --color-accent: #DBA070;
  --color-accent-hover: #E8B281;
  --color-accent-highlight: #3D2F22;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #101A18;
    --color-surface: #15201E;
    --color-surface-2: #1A2624;
    --color-surface-offset: #1F2C29;
    --color-surface-offset-2: #25332F;
    --color-divider: #2D3A36;
    --color-border: #3A4742;
    --color-text: #E8E4DA;
    --color-text-muted: #9CA39D;
    --color-text-faint: #6E746E;
    --color-text-inverse: #14211F;
    --color-primary: #6FB196;
    --color-primary-hover: #88C5AC;
    --color-primary-active: #56987C;
    --color-primary-highlight: #1F3A30;
    --color-accent: #DBA070;
    --color-accent-hover: #E8B281;
    --color-accent-highlight: #3D2F22;
  }
}