/* Base reset & element defaults. */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--reading-font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(43,42,38,.045) 1px, transparent 0),
    radial-gradient(circle at 1px 1px, rgba(43,42,38,.03) 1px, transparent 0);
  background-size: 26px 26px, 41px 41px;
  background-position: 0 0, 13px 13px;
}

h1, h2, h3, h4, nav, button, .display, .label, .code {
  font-family: var(--display-font);
}

h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; margin: 0; }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

button {
  font: inherit;
  font-family: var(--display-font);
  cursor: pointer;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  padding: var(--s-8) var(--s-14);
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
button:hover:not(:disabled) { background: var(--surface-2); }
button:disabled { opacity: .55; cursor: not-allowed; }

select {
  font-family: var(--reading-font);
  font-size: 1rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  padding: 6px 8px;
  min-height: 44px;
}

/* Visible focus everywhere. */
:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* Utility roles */
.code, .meta { font-family: var(--utility-font); }
.code {
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--ink-soft);
  text-transform: uppercase;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--utility-font);
  font-size: .72rem;
  padding: 3px 10px;
  border-radius: var(--pill);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink-soft);
  white-space: nowrap;
}
.pill.blue { background: var(--blue-soft); border-color: transparent; color: var(--blue-deep); }
.pill.green { background: var(--green-soft); border-color: transparent; color: var(--green-deep); }
.pill.red { background: var(--red-soft); border-color: transparent; color: var(--red-deep); }
.pill.saffron { background: var(--saffron-soft); border-color: transparent; color: var(--saffron-deep); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.btn-primary {
  background: var(--blue);
  border-color: var(--blue-deep);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--blue-deep); }

[lang="ar"] { font-family: var(--arabic-font); font-size: 1.06em; }

/* Decorative Moroccan band — a subtle geometric motif, never behind reading text. */
.zellige-band {
  height: 8px;
  background-image: repeating-linear-gradient(
    135deg,
    var(--saffron) 0 10px,
    var(--blue) 10px 20px,
    var(--green) 20px 30px
  );
  opacity: .85;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}