/* ============================================================
   LithosPOS — Design Tokens (from design.md)
   Lightweight, framework-agnostic CSS custom properties.
   Load BEFORE page-specific stylesheets.
   ============================================================ */

:root {
  /* Brand — orange */
  --color-brand-50:  #FFF4ED;
  --color-brand-100: #FFE3D0;
  --color-brand-200: #FFC4A0;
  --color-brand-300: #FFA070;
  --color-brand-400: #FF7B40;
  --color-brand-500: #F25B1F;
  --color-brand-600: #D9460E;
  --color-brand-700: #B0360B;
  --color-brand-800: #7A2608;
  --color-brand-900: #4A1604;

  /* Ink (text + dark surfaces) */
  --color-ink-50:  #F7F8FA;
  --color-ink-100: #EEF0F4;
  --color-ink-200: #DCE0E7;
  --color-ink-300: #BCC2CD;
  --color-ink-400: #8B93A1;
  --color-ink-500: #5C6473;
  --color-ink-600: #3F4654;
  --color-ink-700: #2A303B;
  --color-ink-800: #1A1F28;
  --color-ink-900: #0E121A;

  /* Semantic */
  --color-success-50:  #E8F8EE;
  --color-success-500: #16A34A;
  --color-success-700: #166534;
  --color-warning-50:  #FFF7E6;
  --color-warning-500: #D97706;
  --color-danger-50:   #FEE2E2;
  --color-danger-500:  #DC2626;
  --color-info-50:     #EFF6FF;
  --color-info-500:    #2563EB;

  /* Surface */
  --color-bg:        #FFFFFF;
  --color-bg-muted:  #F7F8FA;
  --color-bg-subtle: #EEF0F4;
  --color-bg-invert: #0E121A;

  /* Border */
  --color-border:        #E4E7EC;
  --color-border-strong: #D0D5DD;
  --color-border-focus:  #F25B1F;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --text-display:    4.5rem;   /* 72 */
  --text-h1:         3.5rem;   /* 56 */
  --text-h2:         2.5rem;   /* 40 */
  --text-h3:         1.75rem;  /* 28 */
  --text-h4:         1.375rem; /* 22 */
  --text-body-lg:    1.125rem; /* 18 */
  --text-body:       1rem;     /* 16 */
  --text-body-sm:    0.875rem; /* 14 */
  --text-eyebrow:    0.75rem;  /* 12 */

  /* Spacing (4px base) */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadow */
  --shadow-1: 0 1px 2px rgba(14,18,26,0.04), 0 1px 1px rgba(14,18,26,0.06);
  --shadow-2: 0 4px 12px rgba(14,18,26,0.06), 0 2px 4px rgba(14,18,26,0.04);
  --shadow-3: 0 12px 32px rgba(14,18,26,0.10), 0 4px 8px rgba(14,18,26,0.04);
  --shadow-focus: 0 0 0 4px rgba(242,91,31,0.25);

  /* Motion */
  --ease-standard:   cubic-bezier(0.2, 0, 0, 1);
  --ease-decelerate: cubic-bezier(0, 0, 0.2, 1);
  --ease-accelerate: cubic-bezier(0.4, 0, 1, 1);
  --dur-instant: 80ms;
  --dur-fast:    160ms;
  --dur-base:    240ms;
  --dur-slow:    400ms;

  /* Containers */
  --container-default: 1200px;
  --container-wide:    1360px;
}

/* ---------- Bootstrap variable overrides ---------- */

:root {
  --bs-body-font-family: var(--font-sans);
  --bs-body-font-size: var(--text-body);
  --bs-body-color: var(--color-ink-800);
  --bs-body-bg: var(--color-bg);
  --bs-border-color: var(--color-border);
  --bs-border-radius: var(--radius-md);
  --bs-border-radius-sm: var(--radius-sm);
  --bs-border-radius-lg: var(--radius-lg);

  --bs-primary: var(--color-brand-500);
  --bs-primary-rgb: 242, 91, 31;
  --bs-link-color: var(--color-brand-600);
  --bs-link-hover-color: var(--color-brand-700);

  --bs-focus-ring-color: rgba(242, 91, 31, 0.25);
  --bs-focus-ring-width: 4px;
}

/* ---------- Base ---------- */


.shop-main a {
  color: var(--color-brand-600);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-standard);
}
.shop-main a:hover { color: var(--color-brand-700); }

/* Tabular numerals for prices/stats */
.tnum { font-variant-numeric: tabular-nums; }

/* Eyebrow */
.eyebrow {
  font-size: var(--text-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--color-brand-700);
}

/* ---------- Button overrides (Bootstrap → tokens) ---------- */

.shop-main .btn {
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 0.625rem 1.25rem;
  transition: transform var(--dur-fast) var(--ease-standard),
              box-shadow var(--dur-fast) var(--ease-standard),
              background-color var(--dur-fast) var(--ease-standard);
}
.shop-main .btn:focus-visible { box-shadow: var(--shadow-focus); outline: none; }

.shop-main .btn-primary {
  --bs-btn-bg: var(--color-brand-500);
  --bs-btn-border-color: var(--color-brand-500);
  --bs-btn-hover-bg: var(--color-brand-600);
  --bs-btn-hover-border-color: var(--color-brand-600);
  --bs-btn-active-bg: var(--color-brand-700);
  --bs-btn-active-border-color: var(--color-brand-700);
  color: #fff;
}
.shop-main .btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-2); }
.shop-main .btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-1); }

.shop-main .btn-outline-secondary {
  --bs-btn-color: var(--color-ink-900);
  --bs-btn-border-color: var(--color-border-strong);
  --bs-btn-hover-bg: var(--color-bg-muted);
  --bs-btn-hover-color: var(--color-ink-900);
  --bs-btn-hover-border-color: var(--color-border-strong);
}

.shop-main .btn-ghost {
  background: transparent;
  color: var(--color-brand-600);
  border: 1px solid transparent;
}
.shop-main .btn-ghost:hover { background: var(--color-brand-50); color: var(--color-brand-700); }

.shop-main .btn-lg { padding: 0.875rem 1.5rem; font-size: var(--text-body-lg); }
.shop-main .btn-xl { padding: 1rem 1.75rem; font-size: var(--text-body-lg); border-radius: var(--radius-md); }

/* ---------- Form controls ---------- */

.shop-main .form-label {
  font-weight: 600;
  color: var(--color-ink-900);
  margin-bottom: var(--space-2);
}
.shop-main .form-text { color: var(--color-ink-500); }

/* Accordion (Bootstrap) */
.shop-mainv .accordion-button {
  font-weight: 600;
  color: var(--color-ink-900);
}
.shop-main .accordion-button:not(.collapsed) {
  background: var(--color-brand-50);
  color: var(--color-brand-700);
  box-shadow: none;
}
.shop-main .accordion-button:focus { box-shadow: var(--shadow-focus); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}