/* ============================================================
   خطوط — Arabic type specimen gallery
   Design: paper/ink specimen sheet. No gradients, no motion,
   no emoji. The typefaces are the visual content — the UI is
   quiet on purpose.
   ============================================================ */

:root {
  /* -- palette -- */
  --paper: #FAFAF8;
  --ink: #1A1A18;
  --ink-dim: #8A8780;
  --line: #E4E2DC;
  --line-strong: #C9C6BD;
  --accent: #2B3A67;      /* deep indigo — used sparingly, for actions only */
  --accent-ink: #FAFAF8;

  /* -- type (UI chrome only — never used for specimens) -- */
  --font-ui: "IBM Plex Sans Arabic", "Noto Kufi Arabic", "Segoe UI", Tahoma, sans-serif;

  /* -- scale -- */
  --wrap-max: 880px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  line-height: 1.6;
}

.wrap {
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* -- focus visibility (accessibility floor) -- */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* -- header -- */
.site-header {
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}
.header-link {
  font-size: 0.9rem;
  color: var(--ink-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.header-link:hover {
  color: var(--ink);
  border-bottom-color: var(--line-strong);
}

/* -- intro -- */
.intro {
  padding: var(--space-5) 0 var(--space-4);
}
.intro h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 var(--space-2);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.intro p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 1.05rem;
  max-width: 55ch;
}

/* -- composer input -- */
.composer {
  margin-bottom: var(--space-3);
}
#preview-input {
  width: 100%;
  border: none;
  border-bottom: 2px solid var(--ink);
  background: transparent;
  padding: var(--space-2) 0.1em;
  font-family: var(--font-ui);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: var(--ink);
}
#preview-input::placeholder {
  color: var(--ink-dim);
}
#preview-input:focus {
  outline: none;
  border-bottom-color: var(--accent);
}

/* -- toolbar -- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--space-2);
}
.size-control {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: var(--ink-dim);
}
.size-control input[type="range"] {
  width: 140px;
  accent-color: var(--accent);
}
.count {
  font-size: 0.85rem;
  color: var(--ink-dim);
  white-space: nowrap;
}

/* -- specimen list -- */
.specimen-list {
  padding-bottom: var(--space-5);
}
.loading, .empty-state {
  color: var(--ink-dim);
  padding: var(--space-4) 0;
  text-align: center;
}

.specimen {
  border-bottom: 1px solid var(--line);
  padding: var(--space-4) 0;
}
.specimen:first-child {
  padding-top: 0;
}

.specimen-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.specimen-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
}
.specimen-creator {
  font-size: 0.85rem;
  color: var(--ink-dim);
}
.specimen-category {
  font-size: 0.75rem;
  color: var(--ink-dim);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: 0.1em 0.6em;
}

.specimen-text {
  direction: rtl;
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  color: var(--ink);
  line-height: 1.4;
  cursor: pointer;
  scrollbar-width: none;
}
.specimen-text::-webkit-scrollbar { display: none; }

.specimen-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

/* -- buttons -- */
.btn {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  padding: 0.5em 1em;
  border-radius: 3px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.btn:hover {
  border-color: var(--ink);
}
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.btn-primary:hover {
  background: #22305A;
  border-color: #22305A;
}
.btn-block {
  display: block;
  width: 100%;
  text-align: center;
  box-sizing: border-box;
  margin-bottom: var(--space-3);
}

/* -- modal -- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 24, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  z-index: 100;
}
.modal-backdrop[hidden] { display: none; }

.modal {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  max-width: 480px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: var(--space-3);
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}
.modal-head h2 {
  font-size: 1.1rem;
  margin: 0;
}
.modal-close {
  border: none;
  background: none;
  font-size: 1.1rem;
  color: var(--ink-dim);
  cursor: pointer;
  line-height: 1;
  padding: 0.25em;
}
.modal-close:hover { color: var(--ink); }

.modal-hint {
  font-size: 0.85rem;
  color: var(--ink-dim);
  margin: 0 0 var(--space-2);
}

.code-block {
  background: #F0EEE8;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: var(--space-2);
  overflow-x: auto;
  font-size: 0.8rem;
  direction: ltr;
  text-align: left;
  margin: 0 0 var(--space-2);
}
.code-block code {
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  white-space: pre;
}

.typeface-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.typeface-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}
.typeface-list .tf-name {
  color: var(--ink);
}
.typeface-list .tf-weight {
  color: var(--ink-dim);
  font-size: 0.8rem;
}

/* -- footer -- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--space-3) 0;
}
.site-footer p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.8rem;
  text-align: center;
}

/* -- responsive -- */
@media (max-width: 560px) {
  .toolbar { flex-direction: column; align-items: stretch; }
  .size-control input[type="range"] { flex: 1; width: auto; }
  .specimen-meta { flex-direction: column; align-items: flex-start; gap: 0.25em; }
}

/* -- reduced motion: respected even though we use ~no motion already -- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}