/**
 * GYWAN design tokens — pure CSS variables (no frameworks).
 * Colors and type ramps used in multiple places live here.
 * Contrast-oriented pairs for default text/UI (WCAG 2.1 AA-oriented typography on body copy).
 */

:root {
  /* Typography */
  --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-xs: 0.75rem;
  --font-sm: 0.875rem;
  --font-base: 1rem;
  --font-lg: 1.125rem;
  --font-xl: 1.25rem;
  --font-2xl: 1.5rem;
  --font-3xl: 1.875rem;
  --font-4xl: 2.25rem;
  --font-5xl: 3rem;
  --font-6xl: 3.75rem;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --line-height-body: 1.6;
  --line-height-snug: 1.5;
  --line-height-heading: 1.2;

  /* Brand purple + gold (matches GYWAN logo / Facebook profile gold — see admin purple↔gold gradient) */
  --color-primary: #5b21b6;
  --color-primary-hover: #4c1d95;
  --color-primary-soft: #7c3aed;
  --color-primary-bg: #ede9fe;
  --color-primary-border: #c4b5fd;
  --color-accent-gold: #ffde2f;
  --color-accent-gold-strong: #e6c200;
  --color-brand-vivid: #8824c7;

  /* Type on bright gold surfaces (e.g. .bg-secondary) */
  --text-on-gold: #0f172a;

  /* Solid “secondary” CTA: dark gold (same hue as #ffde2f), white type for contrast */
  --btn-secondary-bg: #9a7a00;
  --btn-secondary-border: #9a7a00;
  --btn-secondary-hover-bg: #7d6400;
  --btn-secondary-hover-border: #7d6400;
  --btn-secondary-color: #ffffff;
  --focus-ring-color: rgba(91, 33, 182, 0.35);
  --focus-ring: 0 0 0 0.2rem var(--focus-ring-color);

  /* Surfaces — light */
  --surface-page: #ffffff;
  --surface-subtle: #f8fafc;
  --surface-elevated: #f1f5f9;

  /* Text — light */
  --text-heading: #0f172a;
  --text-body: #334155;
  --text-muted: #475569;
  --text-faint: #64748b;
  --text-on-primary: #ffffff;
  --text-on-dark: #f8fafc;
  --text-inverse: #ffffff;

  /* Borders & dividers */
  --border-subtle: #e2e8f0;
  --border-default: #cbd5e1;
  --border-strong: #94a3b8;
  --border-utility: var(--border-default);

  /* Semantic (text + surface for alerts) */
  --color-success: #047857;
  --color-success-fill: #059669;
  --color-success-bg: #ecfdf5;
  --color-success-border: #a7f3d0;
  --color-danger: #b91c1c;
  --color-danger-fill: #dc2626;
  --color-danger-bg: #fef2f2;
  --color-danger-border: #fecaca;
  --color-warning: #92400e;
  --color-warning-fill: #d97706;
  --color-warning-bg: #fffbeb;
  --color-warning-border: #fde68a;
  --color-info: #0369a1;
  --color-info-fill: #0284c7;
  --color-info-bg: #f0f9ff;
  --color-info-border: #bae6fd;

  /* Legacy / component aliases (used across existing stylesheets) */
  --primary: var(--color-primary);
  --primary-dark: var(--color-primary-hover);
  --primary-light: var(--color-primary-soft);
  --primary-action: var(--color-primary);
  --primary-action-hover: var(--color-primary-hover);
  --secondary: var(--color-accent-gold);
  --accent: var(--color-accent-gold-strong);
  --text-primary: var(--text-heading);
  --text-secondary: var(--text-body);
  --text-light: var(--text-faint);
  --text-white: #ffffff;
  --text-tertiary: var(--text-muted);
  --bg-primary: var(--surface-page);
  --bg-secondary: var(--surface-subtle);
  --bg-accent: var(--surface-elevated);
  --bg-tertiary: var(--surface-elevated);
  --bg-dark: #0f172a;
  --border: var(--border-subtle);
  --border-dark: var(--border-default);
  --border-color: var(--border-subtle);

  --card-bg: var(--surface-page);
  --card-hover: var(--surface-subtle);
  --input-bg: var(--surface-page);
  --input-border: var(--border-default);
  --overlay-bg: rgba(15, 23, 42, 0.55);
  --shadow-color: rgba(15, 23, 42, 0.08);

  --scroll-progress-height: 4px;
  --scroll-progress-color: var(--color-accent-gold);

  /* Spacing scale */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 var(--shadow-color);
  --shadow-md: 0 4px 6px -1px var(--shadow-color), 0 2px 4px -2px var(--shadow-color);
  --shadow-lg: 0 10px 15px -3px var(--shadow-color), 0 4px 6px -4px var(--shadow-color);
  --shadow-xl: 0 20px 25px -5px var(--shadow-color), 0 8px 10px -6px var(--shadow-color);

  /* Motion */
  --transition-main: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  --hover-lift: translateY(-5px);
  --hover-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);

  /* Layout helpers */
  --container-padding-x: var(--spacing-md);
  --grid-gutter: var(--spacing-md);
  /* Flex grid gutter (matches historic 15px rhythm) */
  --layout-gutter: 15px;
}

/* Dark theme: class from JS + optional data attribute */
html.dark,
html[data-theme='dark'] {
  --shadow-color: rgba(0, 0, 0, 0.45);

  --surface-page: #0f172a;
  --surface-subtle: #1e293b;
  --surface-elevated: #334155;

  --text-heading: #f8fafc;
  --text-body: #cbd5e1;
  --text-muted: #94a3b8;
  --text-faint: #94a3b8;
  --text-tertiary: #94a3b8;
  --text-on-primary: #ffffff;
  --text-inverse: #0f172a;

  --border-subtle: #334155;
  --border-default: #475569;
  --border-strong: #64748b;
  --border-utility: var(--border-default);

  --color-primary: #c4b5fd;
  --color-primary-hover: #ddd6fe;
  --color-primary-soft: #a78bfa;
  --color-primary-bg: #2e1065;
  --color-primary-border: #5b21b6;
  --color-accent-gold: #ffde2f;
  --color-accent-gold-strong: #ffe44d;

  --text-on-gold: #0f172a;

  --btn-secondary-bg: #c9a227;
  --btn-secondary-border: #c9a227;
  --btn-secondary-hover-bg: #a8861c;
  --btn-secondary-hover-border: #a8861c;
  --btn-secondary-color: #0f172a;

  --color-success: #6ee7b7;
  --color-success-fill: #059669;
  --color-success-bg: #064e3b;
  --color-success-border: #047857;
  --color-danger: #fca5a5;
  --color-danger-fill: #dc2626;
  --color-danger-bg: #450a0a;
  --color-danger-border: #b91c1c;
  --color-warning: #fde68a;
  --color-warning-fill: #d97706;
  --color-warning-bg: #451a03;
  --color-warning-border: #b45309;
  --color-info: #7dd3fc;
  --color-info-fill: #0284c7;
  --color-info-bg: #0c4a6e;
  --color-info-border: #0369a1;

  --primary: var(--color-primary);
  --primary-dark: var(--color-primary-hover);
  --primary-light: var(--color-primary-soft);
  --primary-action: #6d28d9;
  --primary-action-hover: #5b21b6;
  --secondary: var(--color-accent-gold);
  --accent: var(--color-accent-gold-strong);
  --text-primary: var(--text-heading);
  --text-secondary: var(--text-body);
  --text-light: var(--text-faint);

  --bg-primary: var(--surface-page);
  --bg-secondary: var(--surface-subtle);
  --bg-accent: var(--surface-elevated);
  --bg-tertiary: #334155;
  --border: var(--border-subtle);
  --border-dark: var(--border-default);
  --border-color: var(--border-subtle);

  --card-bg: #1e293b;
  --card-hover: #334155;
  --input-bg: #1e293b;
  --input-border: #475569;
  --overlay-bg: rgba(0, 0, 0, 0.72);

  --focus-ring-color: rgba(196, 181, 253, 0.45);
}