/* ✅ الشريط العلوي */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #455c89;
  padding: 0 16px;
  height: 56px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  flex-wrap: wrap;
}

.menu-btn {
  font-size: 24px;
  background: none;
  border: none;
  cursor: pointer;
}

.logo {
  display: flex;
  align-items: center;
  margin-right: 16px;
  text-decoration: none;
}

.logo img {
  height: 32px;
  margin-left: 8px;
}

.search-box {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.search-box input {
  padding: 6px 10px;
  width: 200px;
  max-width: 100%;
  border: 1px solid #ccc;
  border-radius: 4px 0 0 4px;
}

.search-box button {
  padding: 6px 10px;
  border: 1px solid #ccc;
  background: #eee;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
}

/* ✅ القائمة الجانبية */
.sidebar {
  width: 210px;
  transition: width 0.3s ease, transform 0.3s ease, right 0.3s ease;
  overflow: hidden;
  background: #455c89;
  position: fixed;
  top: 56px;
  bottom: 0;
  right: 0;
  z-index: 1001;
}

.sidebar.collapsed {
  width: 158px;
}

.sidebar .main-menu span {
  transition: opacity 0.3s ease;
  opacity: 1;
  white-space: nowrap;
}

.sidebar.collapsed .main-menu span {
  opacity: 0;
  pointer-events: none;
}

.social-links {
  display: flex;
  justify-content: space-around;
  padding: 16px;
}

/* ✅ التعتيم للجوال */
.overlay {
  position: fixed;
  top: 56px;
  right: 0;
  left: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.overlay.visible {
  display: block;
  opacity: 1;
}

.overlay.hidden {
  display: none;
}

/* ✅ المحتوى الرئيسي */
#main-content {
  transition: margin-right 0.3s ease;
  padding: 70px 20px 20px 20px;
  margin-right: 189px;
  margin-left: 0;
}

.sidebar.collapsed ~ #main-content {
  margin-right: 60px;
}

/* ✅ تجاوب كامل */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(100%);
    width: 100%;
    max-width: 250px;
    right: -100%;
  }

  .sidebar.mobile-open {
    transform: translateX(0);
    right: 0;
  }

  .sidebar.collapsed {
    transform: translateX(100%);
  }

  #main-content {
    margin-right: 0 !important;
  }
}

@media (max-width: 768px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
    padding: 8px;
    height: auto;
  }

  .logo {
    margin: 0 auto 8px auto;
    justify-content: center;
  }

  .search-box {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
  }

  .search-box input {
    width: 70%;
  }

  #main-content {
    padding: 70px 10px 20px 10px;
  }
}

/* ✅ زر الإغلاق داخل القائمة الجانبية */
.close-btn {
  display: none;
  position: absolute;
  top: 8px;
  left: 8px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  z-index: 1002;
}

@media (max-width: 1024px) {
  .close-btn {
    display: block;
  }
}