/* =====================================================================
   English Master — Grammar section layout  (تخطيط قسم القواعد)
   ---------------------------------------------------------------------
   خاص بهَب القواعد وصفحات المحاور. يعتمد على tokens ومكوّنات shared.css.
   كل كارت محور بياخد لونه من المتغيّر --accent (يتحدّد في الـ HTML).
   ===================================================================== */

.gr-wrap { max-width: 820px; margin: 0 auto; }

/* ---------- هيدر القسم/المحور ---------- */
.gr-hero {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0,0,0,0.05);
  text-align: center;
  padding: 26px 22px 24px;
  margin-bottom: 18px;
  position: relative;
  overflow: hidden;
}
.gr-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--ink-blue), var(--ink-teal), var(--ink-purple));
}
.gr-hero .gr-ico {
  font-size: 2.6rem;
  color: var(--ink-blue);
  display: inline-flex;
  line-height: 0;
  margin-bottom: 6px;
}
.gr-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  color: var(--ink-blue);
  font-weight: 700;
}
.gr-hero .gr-en {
  font-family: var(--font-english);
  color: var(--ink-pink);
  font-weight: 600;
  direction: ltr;
  display: block;
  margin-top: 4px;
}
.gr-hero .gr-sub {
  font-family: var(--font-hand);
  font-size: 1.2rem;
  color: var(--ink-purple);
  margin-top: 8px;
}

/* ---------- شبكة كروت المحاور ---------- */
.topics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.topic-card {
  --accent: var(--ink-blue);
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 16px;
  text-align: right;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  font: inherit;
  width: 100%;
}
.topic-card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(30,58,138,0.14); }

.topic-card .tc-top { display: flex; align-items: center; gap: 12px; }

.topic-card .tc-ico {
  flex: none;
  width: 46px; height: 46px;
  border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, white);
}
/* بديل للمتصفحات اللي مش بتدعم color-mix */
@supports not (background: color-mix(in srgb, red, white)) {
  .topic-card .tc-ico { background: #eef2ff; }
}

.topic-card .tc-name {
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.3;
}
.topic-card .tc-en {
  font-family: var(--font-english);
  font-size: 0.78rem;
  color: var(--text-muted);
  direction: ltr;
}

.topic-card .tc-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.topic-card .tc-count { font-weight: 600; }
.topic-card .tc-done { font-family: var(--font-english); font-weight: 700; color: var(--accent); }

.topic-card .tc-track {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.topic-card .tc-fill {
  height: 100%;
  width: 0%;
  border-radius: 4px;
  background: var(--accent);
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* محور مقفول (لسه بيتبني) */
.topic-card.locked { cursor: default; }
.topic-card.locked:hover { transform: none; box-shadow: var(--shadow); }
.topic-card.locked .tc-ico { color: var(--text-muted); background: #f1f5f9; }
.topic-card.locked .tc-name { color: var(--text-muted); }
.topic-card .tc-soon {
  position: absolute;
  top: 12px; left: 12px;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--ink-orange);
  background: #fff7ed;
  border: 1px solid var(--ink-orange);
  border-radius: 10px;
  padding: 1px 8px;
}

@media (max-width: 620px) {
  .topics-grid { grid-template-columns: 1fr; }
}

/* ---------- صفحة المحور: قائمة الدروس ---------- */
.lessons-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lesson-row {
  --accent: var(--ink-blue);
  background: white;
  border: 1px solid var(--border);
  border-right: 4px solid var(--accent);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 13px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.18s, box-shadow 0.2s;
  font: inherit;
  width: 100%;
  text-align: right;
  cursor: pointer;
}
.lesson-row:hover { transform: translateX(-4px); box-shadow: 0 8px 22px rgba(30,58,138,0.12); }

.lesson-row .lr-num {
  flex: none;
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-english);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, white);
}
@supports not (background: color-mix(in srgb, red, white)) {
  .lesson-row .lr-num { background: #eef2ff; }
}

.lesson-row .lr-body { flex: 1; min-width: 0; }
.lesson-row .lr-ar { font-family: var(--font-heading); font-weight: 700; font-size: 1.05rem; color: var(--ink-blue); }
.lesson-row .lr-en { font-family: var(--font-english); font-size: 0.8rem; color: var(--text-muted); direction: ltr; }

.lesson-row .lr-status {
  flex: none;
  font-size: 1.3rem;
  display: flex;
  color: var(--text-muted);
}

/* درس مكتمل */
.lesson-row.done .lr-num { background: var(--ink-green); color: white; }
.lesson-row.done .lr-status { color: var(--ink-green); }

/* درس مقفول */
.lesson-row.locked { cursor: default; opacity: 0.72; border-right-color: var(--border); }
.lesson-row.locked:hover { transform: none; box-shadow: var(--shadow); }
.lesson-row.locked .lr-num { background: #f1f5f9; color: var(--text-muted); }
.lesson-row.locked .lr-ar { color: var(--text-muted); }

/* ملخّص تقدّم المحور أعلى القائمة */
.topic-progress {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.topic-progress .tp-track { flex: 1; height: 12px; background: var(--border); border-radius: 6px; overflow: hidden; }
.topic-progress .tp-fill { height: 100%; width: 0%; border-radius: 6px; background: linear-gradient(90deg, var(--ink-blue), var(--ink-blue-light)); transition: width 0.6s ease; }
.topic-progress .tp-label { font-family: var(--font-english); font-weight: 700; color: var(--ink-blue); white-space: nowrap; }

/* ---------- كارت اختبار المحور (في صفحة المحور) ---------- */
.exam-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%);
  border: 2px solid var(--ink-purple);
  text-decoration: none;
  color: var(--text);
  transition: transform 0.2s, box-shadow 0.2s;
}
.exam-cta:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(124,58,237,0.2); }
.exam-cta .ec-ico {
  flex: none; width: 48px; height: 48px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem; background: var(--ink-purple); color: white;
}
.exam-cta .ec-body { flex: 1; }
.exam-cta .ec-title { font-family: var(--font-heading); font-weight: 700; font-size: 1.15rem; color: var(--ink-purple); }
.exam-cta .ec-sub { font-size: 0.85rem; color: var(--text-muted); margin-top: 2px; }
.exam-cta .ec-best { font-family: var(--font-english); font-weight: 700; color: var(--ink-green); font-size: 0.9rem; }

/* ---------- صفحة الاختبار ---------- */
.exam-hero {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0,0,0,0.05);
  text-align: center;
  padding: 26px 22px 22px;
  margin-bottom: 18px;
  position: relative;
  overflow: hidden;
}
.exam-hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 6px;
  background: linear-gradient(90deg, var(--ink-purple), var(--ink-pink), var(--ink-blue));
}
.exam-hero .eh-ico { font-size: 2.6rem; color: var(--ink-purple); display: inline-flex; line-height: 0; margin-bottom: 6px; }
.exam-hero h1 { font-family: var(--font-heading); font-size: clamp(1.4rem, 5vw, 2rem); color: var(--ink-purple); }
.exam-hero .eh-en { font-family: var(--font-english); color: var(--ink-pink); font-weight: 600; direction: ltr; display: block; margin-top: 4px; }
.exam-hero .eh-count { font-family: var(--font-hand); font-size: 1.2rem; color: var(--ink-blue); margin-top: 8px; }
.exam-hero .eh-best { margin-top: 8px; font-size: 0.95rem; color: var(--ink-green); font-weight: 600; }

.exam-questions { display: flex; flex-direction: column; gap: 14px; }

.exam-submit {
  width: 100%;
  padding: 16px;
  margin-top: 18px;
  background: linear-gradient(135deg, var(--ink-purple), #a78bfa);
  color: white; border: none; border-radius: 12px;
  font-family: var(--font-body); font-size: 1.1rem; font-weight: 700;
  cursor: pointer; transition: all 0.2s;
}
.exam-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(124,58,237,0.4); }

.exam-result {
  display: none;
  margin-top: 18px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 22px;
  text-align: center;
  border: 3px solid var(--ink-purple);
}
.exam-result.show { display: block; animation: slideDown 0.4s; }
.exam-result.passed { border-color: var(--ink-green); }
.exam-result.failed { border-color: var(--ink-orange); }
.exam-result .er-score { font-family: var(--font-english); font-size: 3.4rem; font-weight: 900; line-height: 1; color: var(--ink-purple); }
.exam-result.passed .er-score { color: var(--ink-green); }
.exam-result.failed .er-score { color: var(--ink-orange); }
.exam-result .er-detail { color: var(--text-muted); margin: 6px 0 12px; }
.exam-result .er-msg { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; }