/* ============================================================
   AAA Pulse — PulseMotion 1.0 · طبقات الحركة
   الهوية الحيّة: حبر #0B0B0B · أبيض #FFFFFF · سماوي #18C7D9 إشارةً فقط
   السماوي هنا محصور في ثلاثة مواضع صغيرة: المؤشر، عقدة الشبكة، شريط السجل
   ============================================================ */

:root {
  --pm-ink: #0B0B0B;
  --pm-white: #FFFFFF;
  --pm-cyan: #18C7D9;

  --pm-ease: cubic-bezier(.16, 1, .3, 1);

  --pm-line: rgba(255, 255, 255, .34);   /* خط الشبكة لحظة الرسم */
  --pm-line-soft: rgba(255, 255, 255, .16);
  --pm-trace: rgba(255, 255, 255, .07);  /* الأثر الباقي */
  --pm-rule: rgba(255, 255, 255, .08);
  --pm-dim: rgba(255, 255, 255, .52);   /* أدنى تباين مقبول للنص الصغير على الحبر */
  --pm-muted: rgba(255, 255, 255, .72);

  --pm-t-hover: 180ms;
  --pm-t-ui: 320ms;
  --pm-t-draw: 460ms;
  --pm-t-reveal: 760ms;
}

/* ---------- 1. المؤشر والكتابة ---------- */

.pm-type {
  /* لا letter-spacing سالب: يفصل الحروف العربية المتصلة */
  letter-spacing: normal;
  line-height: 1.6;
}

.pm-type__txt {
  white-space: pre-wrap;
}

.pm-caret {
  display: inline-block;
  width: 2px;
  height: .95em;
  background: var(--pm-cyan);
  vertical-align: -.12em;
  margin-inline-start: .16em;
  border-radius: 1px;
  animation: pm-blink 1.1s steps(1, end) infinite;   /* أقل من 1 هرتز: لا وميض */
}

.pm-caret.is-still {
  animation-duration: 1.6s;
}

@keyframes pm-blink {
  0%, 54% { opacity: 1; }
  55%, 100% { opacity: .18; }
}

/* ---------- 2. طبقة الشبكة ---------- */

.pm-grid {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 2;
}

.pm-grid i {
  display: block;
  position: absolute;
  backface-visibility: hidden;
}

.pm-grid__h {
  left: 0;
  right: 0;
  height: 1px;
  background: var(--pm-line);
  transform: scaleX(0);
  will-change: transform, opacity;
}

.pm-grid__v,
.pm-grid__g {
  top: 0;
  bottom: 0;
  width: 1px;
  transform: scaleY(0);
  will-change: transform, opacity;
}

.pm-grid__v { background: var(--pm-line); }
.pm-grid__g { background: var(--pm-line-soft); }

.pm-grid__node {
  width: 9px;
  height: 9px;
  margin: -5px 0 0 -5px;
  border: 1px solid var(--pm-cyan);
  opacity: 0;
  transform: scale(.3);
  will-change: transform, opacity;
}

.pm-grid__trace {
  background: var(--pm-trace);
  opacity: 0;
}

.pm-grid__trace--h { left: 0; right: 0; height: 1px; }
.pm-grid__trace--v { top: 0; bottom: 0; width: 1px; }

/* ---------- 3. دخول الأقسام ---------- */

.pm-reveal {
  opacity: 0;
  will-change: transform, opacity;
}

.pm-reveal.pm-in {
  opacity: 1;
  transform: none;
}

/* ---------- 4. سجل البناء ---------- */

.pm-log {
  --pm-log-rule: var(--pm-rule);
}

.pm-log__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pm-log__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px solid var(--pm-log-rule);
  opacity: 0;
  will-change: transform, opacity;
}

.pm-log__row.is-in { opacity: 1; }

.pm-log__i {
  font-size: 12px;
  color: var(--pm-dim);
  font-variant-numeric: tabular-nums;
}

.pm-log__t {
  color: var(--pm-muted);
  line-height: 1.6;
}

.pm-log__v {
  color: var(--pm-white);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.pm-log__bar {
  position: relative;
  height: 2px;
  margin-top: 14px;
  background: var(--pm-rule);
  overflow: hidden;
}

.pm-log__fill {
  display: block;
  position: absolute;
  inset: 0;
  background: var(--pm-cyan);
  transform: scaleX(0);
  transform-origin: right center;   /* يتقدم مع اتجاه القراءة العربي */
  will-change: transform;
}

[dir="ltr"] .pm-log__fill { transform-origin: left center; }

/* التباعد السالب للاتيني والأرقام فقط، لا للعربي */
.lat {
  font-family: Manrope, "Segoe UI", system-ui, sans-serif;
  letter-spacing: -.005em;
}

/* ---------- 5. تقليل الحركة: الحالة النهائية كاملة ---------- */

@media (prefers-reduced-motion: reduce) {
  .pm-caret { animation: none; opacity: 1; }
  .pm-reveal, .pm-reveal.pm-in { opacity: 1; transform: none; }
  .pm-log__row { opacity: 1; }
  .pm-grid__trace { opacity: 1; }
  .pm-grid__h, .pm-grid__v, .pm-grid__g { transform: none; }
  .pm-grid__node { opacity: 1; transform: scale(1); }
}

/* نفس الحالة حين يُفرض التقليل من الواجهة */
.pm-reduced .pm-caret { animation: none; opacity: 1; }
.pm-reduced .pm-reveal,
.pm-reduced .pm-reveal.pm-in { opacity: 1; transform: none; }
.pm-reduced .pm-log__row { opacity: 1; }
.pm-reduced .pm-grid__trace { opacity: 1; }
.pm-reduced .pm-grid__h,
.pm-reduced .pm-grid__v,
.pm-reduced .pm-grid__g { transform: none; }
.pm-reduced .pm-grid__node { opacity: 1; transform: scale(1); }