.container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

header {
  text-align: center;
  margin-bottom: 25px;
}

header h1 {
  font-size: 2rem;
  color: #1a365d;
  margin-bottom: 8px;
}

header p {
  color: #718096;
  font-size: 1rem;
}

/* Tabs Navigation */
.tabs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 25px;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 12px;
  width: 100%;
}

.tab-btn {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  padding: 9px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: #2d3748;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.tab-btn:hover {
  border-color: #2b6cb0;
  color: #2b6cb0;
}

.tab-btn.active {
  background-color: #2b6cb0;
  color: white;
  border-color: #2b6cb0;
  box-shadow: 0 4px 12px rgba(43, 108, 176, 0.2);
}

/* Tab Content */
.tab-content {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  border-top: 5px solid #2b6cb0;
  margin-bottom: 25px;
  width: 100%;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e2e8f0;
  flex-wrap: wrap; /* يمنع تداخل النص مع العداد في الموبايل */
}

.section-header h2 {
  color: #1a365d;
  font-size: 1.35rem;
  line-height: 1.4;
}

.items-count {
  color: #718096;
  font-size: 0.88rem;
  white-space: nowrap;
}

/* الشبكة المتجاوبة للكروت */
.parts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr));
  gap: 12px;
}

.part-item {
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
  word-break: break-word;
}

.part-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.06);
  border-color: #319795;
}

.part-item .badge {
  width: 8px;
  height: 8px;
  background-color: #319795;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ==========================================
   Media Queries (الشاشات الصغيرة والموبايل)
   ========================================== */

@media (max-width: 768px) {
  header h1 {
    font-size: 1.5rem;
  }

  header p {
    font-size: 0.9rem;
  }

  .tabs-nav {
    justify-content: flex-start;
    overflow-x: auto; /* يسمح بسحب التبويبات أفقياً باللمس */
    flex-wrap: nowrap;
    padding-bottom: 10px;
    -webkit-overflow-scrolling: touch;
  }

  .tab-btn {
    font-size: 0.85rem;
    padding: 7px 12px;
    flex-shrink: 0;
  }

  .section-card {
    padding: 15px;
  }

  .section-header h2 {
    font-size: 1.15rem;
  }
}

@media (max-width: 480px) {
  body {
    padding: 10px 5px;
  }

  .parts-grid {
    grid-template-columns: 1fr; /* كارت واحد في السطر */
  }

  .part-item {
    font-size: 0.85rem;
    padding: 8px 12px;
  }
}
img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}