* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Cairo", "Tajawal", "Tahoma", sans-serif;
}

body {
  background: radial-gradient(circle at top, #0f172a, #020617 45%, #000 90%);
  color: #fff;
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* الهيدر */
.top-bar {
  width: 100%;
  background: rgba(2, 6, 23, 0.35);
  padding: 0.6rem 0.7rem 0.7rem;
  text-align: center;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}
.top-bar .name {
  color: #38bdf8;
  font-size: clamp(1.6rem, 6vw, 2.6rem);
  font-weight: 700;
}
.top-bar .phone {
  color: #38bdf8;
  font-size: clamp(0.9rem, 3.4vw, 1.1rem);
  font-weight: 600;
}
.top-bar .grade {
  color: #fff;
  font-weight: 600;
}
.top-bar .unit {
  color: #fef9c3;
  background: rgba(250, 204, 21, 0.12);
  border: 1px solid rgba(250, 204, 21, 0.4);
  width: min(520px, 100% - 1rem);
  margin: 0.25rem auto 0;
  border-radius: 0.9rem;
  padding: 0.2rem 0;
  font-weight: 600;
}

/* الحاوية */
.container {
  width: 100%;
  max-width: 580px;
  margin: 0 auto;
  padding: 0.7rem 0.55rem 4.5rem;
}

/* عناوين */
.page-title {
  text-align: center;
  color: #38bdf8;
  margin: 0.6rem 0 1rem;
  font-weight: 700;
  font-size: clamp(1.5rem, 5vw, 2.2rem);
}

/* أزرار الهوم */
.home-btn {
  width: 100%;
  border: none;
  border-radius: 1rem;
  padding: 1rem 0.8rem;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.7rem;
  cursor: pointer;
}
.speak-btn { background: #fb923c; color: #0f172a; }
.practice-btn { background: #38bdf8; color: #0f172a; }
.alltest-btn { background: #22c55e; color: #020617; }
.randomtest-btn { background: #facc15; color: #020617; }

/* عنوان الشاشة + زرار الهوم */
.screen-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .5rem;
}
.home-link {
  background: #f43f5e;
  border: 1px solid rgba(244, 63, 94, 0.4);
  border-radius: .7rem;
  color: #fff;
  font-weight: 700;
  padding: .55rem 1.1rem;
  font-size: 1rem;
  cursor: pointer;
}

/* شاشة نطق الكلمات */
.speak-cards {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.speak-card {
  direction: ltr;
  background: rgba(2,6,23,.35);
  border: 1px solid rgba(148,163,184,.25);
  border-radius: .85rem;
  padding: .7rem .8rem .6rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.speak-card .en {
  font-size: 1.45rem;
  font-weight: 700;
  color: #fff;
}
.speak-card .ar {
  color: #fde68a;
  font-weight: 700;
}
.speaking { color: #38bdf8 !important; }

/* شاشة الحفظ */
.card-wrapper { display: flex; }
.card {
  width: 100%;
  background: rgba(2,6,23,.35);
  border: 1px solid rgba(148,163,184,.25);
  border-radius: 1.25rem;
  padding: 1rem 1.2rem 1.1rem;
}
.word-row {
  direction: ltr;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .8rem;
}
.word-en {
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
}
.word-ar {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fde68a;
}
.answers-group {
  display: flex;
  flex-direction: column;
  gap: .55rem;
}
.answer-box {
  background: rgba(15,23,42,.35);
  border: 1px solid rgba(148,163,184,.25);
  border-radius: .7rem;
  min-height: 2.5rem;
  padding: .4rem .6rem;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  direction: ltr;
  outline: none;
}
.answer-box span.correct { color: #22c55e; font-weight: 700; }
.answer-box span.error { color: #f43f5e; font-weight: 700; }

/* الشريط السفلي */
.bottom-shell {
  width: 100%;
  position: fixed;
  bottom: 0;
  left: 0;
  display: flex;
  justify-content: center;
  background: rgba(2,6,23,.95);
  z-index: 50;
}
.nav-bar {
  width: min(580px, 100%);
  display: flex;
  gap: .6rem;
  padding: .55rem .7rem .65rem;
  align-items: center;
  direction: ltr;
}
.nav-btn {
  flex: 1;
  border: none;
  border-radius: 1.5rem;
  padding: .65rem 0;
  font-weight: 700;
  font-size: 1.1rem;
  text-align: center;
  cursor: pointer;
}
.prev-btn { background: #64748b; color: #020617; }
.next-btn { background: #38bdf8; color: #020617; }
.page-indicator {
  background: rgba(2,6,23,.35);
  border: 1px solid rgba(148,163,184,.25);
  padding: .45rem 1.6rem;
  border-radius: 1.8rem;
  font-weight: 700;
  font-size: 1.05rem;
  text-align: center;
  color: #fff;
}

/* شاشة الاختبار */
.test-list { display: flex; flex-direction: column; gap: .7rem; margin-bottom: 1rem; }
.test-card {
  background: rgba(2,6,23,.4);
  border: 1px solid rgba(148,163,184,.25);
  border-radius: .85rem;
  padding: .5rem .7rem .6rem;
}
.test-card .top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .5rem;
}
.test-ar { color: #fde68a; font-weight: 700; }
.left-part { display: flex; gap: .4rem; align-items: center; }
.test-num {
  background: rgba(59,130,246,.15);
  border: 1px solid rgba(59,130,246,.35);
  width: 2rem; height: 2rem;
  border-radius: .6rem;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.test-en { font-size: 1.5rem; font-weight: 700; cursor: pointer; }
.test-input {
  width: 100%;
  background: rgba(248,250,252,.07);
  border: 1px solid rgba(148,163,184,.35);
  border-radius: .6rem;
  padding: .45rem .5rem;
  margin-top: .45rem;
  font-size: 1.1rem;
  direction: ltr;
  color: #fff;
}
.test-feedback {
  margin-top: .4rem;
  font-size: 1.7rem;
  font-weight: 800;
  text-align: left;
}
.test-feedback.ok { color: #22c55e; }
.test-feedback.bad { color: #f43f5e; }

.test-btn {
  width: 100%;
  border: none;
  border-radius: 1rem;
  padding: .6rem .5rem;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: .55rem;
  cursor: pointer;
}
.test-btn.yellow { background: #facc15; color: #020617; }
.test-btn.green { background: #22c55e; color: #020617; }
.test-btn.blue { background: #38bdf8; color: #020617; }
.test-btn.cont { background: #f4b41a; color: #020617; }

/* تسميع الكل */
.all-list { display: flex; flex-direction: column; gap: .55rem; }
.all-item {
  background: rgba(2,6,23,.4);
  border: 1px solid rgba(148,163,184,.3);
  border-radius: .85rem;
  padding: .55rem .75rem;
}
.all-ar { color: #fde68a; font-weight: 700; margin-bottom: .4rem; }
.all-input {
  background: rgba(15,23,42,.3);
  border: 1px solid rgba(148,163,184,.25);
  border-radius: .6rem;
  min-height: 2.4rem;
  padding: .35rem .5rem;
  font-size: 1.4rem;
  direction: ltr;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  outline: none;
}
.all-input span.correct { color: #22c55e; font-weight: 700; }
.all-input span.error { color: #f43f5e; font-weight: 700; }

/* التشجيع */
.praise-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(250,204,21,.35), rgba(2,6,23,.9));
  font-size: 3rem;
  font-weight: 800;
  color: #fef3c7;
  opacity: 0;
  pointer-events: none;
  transition: .2s;
  z-index: 999;
}
.praise-overlay.show { opacity: 1; }

@media (max-width: 460px) {
  .word-en { font-size: 2rem; }
  .answer-box { font-size: 1.3rem; }
  .nav-btn { font-size: 1rem; }
  .screen-title-row { gap: .3rem; }
  .home-link { padding: .4rem .7rem; }
}