html, body {
  height: 100%;
}
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  width: 100vw;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
main {
  margin: 2.5rem auto 0 auto;
  padding: 0;
  width: 100%;
  max-width: 1400px;
  flex: 1 0 auto;
}
.main-navbar {
  background: linear-gradient(90deg, #6d28d9 0%, #2563eb 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.7rem 2rem 2.5rem 2rem;
  box-shadow: 0 2px 10px #6366f133;
}
.main-navbar .logo {
  width: 100%;
  text-align: center;
  margin-bottom: 2rem;
  display: flex;
  justify-content: center;
}
.main-navbar .logo span {
  font-size: 2rem;
  font-weight: bold;
  color: #fff;
  font-family: Calibri, Arial, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.main-navbar ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  justify-content: center;
  width: 100%;
  margin-top: 1.2rem;
}
.main-navbar ul li a {
  color: #fff;
  text-decoration: none;
  font-size: 1.1rem;
  padding: 8px 18px;
  border-radius: 20px;
  transition: background 0.2s, color 0.2s;
  font-family: Calibri, Arial, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.main-navbar ul li a.active,
.main-navbar ul li a:hover {
  background: #fff;
  color: #2563eb;
}

/* بوكس ابيض خاص باقسام الموقع */
.site-icons {
  margin: 2.5rem auto 0 auto;
  max-width: 1400px;
  padding: 0;
}
.site-icon-link {
  text-decoration: none;
  color: inherit;
}
.site-icon-link > div {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.site-icon-link i {
  font-size: 4rem;
}
.site-icon-link.home i { color: #6d28d9; }
.site-icon-link.videos i { color: #2563eb; }
.site-icon-link.programs i { color: #4f46e5; }
.site-icon-link.articles i { color: #a5b4fc; }
.site-icon-link.contact i { color: #8b5cf6; }
.site-icon-link.reviews i { color: #10b981; }
.site-icon-link.vlogs i { color: #f59e42; }
.site-icon-link span {
  margin-top: 0.7rem;
  font-size: 1.1rem;
  font-weight: bold;
}

/* channels-box section */
.channels-box {
  margin: 2.5rem auto 0 auto !important;
  max-width: 1400px !important;
  padding: 0 !important;
}
.channels-box > h2 {
  color: #6d28d9;
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 2rem;
}
.channels-box > div {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 4px 32px #6366f122;
  padding: 2rem 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10rem;
}

/* youtube channel links */
.yt-channel-link {
  text-decoration: none;
  color: inherit;
  margin: 0.7rem 1.2rem;
  display: inline-block;
}
.yt-channel-link > div {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.yt-channel-link i {
  font-size: 5rem;
  color: #ef4444;
}
.yt-channel-link span {
  margin-top: 0.7rem;
  font-size: 1.5rem;
  font-weight: bold;
}

.main-footer {
  flex-shrink: 0;
}
/* بوكس أبيض خاص بمجموعة قنوات هيثم سلامه */
.channels-box {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 4px 32px #6366f122;
  padding: 2rem 1.5rem;
  margin: 2rem auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: auto;
  max-width: unset;
}
.channels-box .channels-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
  width: auto;
  max-width: unset;
}
.channels-box h2 {
  color: #6d28d9;
  font-size: 2.2rem;
  font-weight: bold;
  margin-bottom: 2rem;
}
.channels-box i {
  font-size: 5rem !important;
}
.channels-box span {
  font-size: 1.5rem !important;
  font-weight: bold;
}
/* كلاس موحد للنافبار */
.main-navbar {
  background: linear-gradient(90deg, #6d28d9 0%, #2563eb 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.7rem 2rem 2.5rem 2rem;
  box-shadow: 0 2px 10px #6366f133;
}

.main-navbar .logo {
  width: 100%;
  text-align: center;
  margin-bottom: 2rem;
  display: flex;
  justify-content: center;
}
.main-navbar .logo span {
  font-size: 2rem;
  font-weight: bold;
  color: #fff;
 /* background property removed due to lack of value */
}
.main-navbar ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  justify-content: center;
  width: 100%;
  margin-top: 1.2rem;
}
.main-navbar ul li a {
  color: #fff;
  text-decoration: none;
  font-size: 1.1rem;
  padding: 8px 18px;
  border-radius: 20px;
  transition: background 0.2s, color 0.2s;
}
.main-navbar ul li a.active,
.main-navbar ul li a:hover {
  background: #a5b4fc;
  color: #312e81;
}

/* كلاس موحد للفوتر */
.main-footer {
  background: #fff;
  color: #4f46e5;
  text-align: center;
  padding: 1.5rem 0;
  border-radius: 18px;
  margin: 2.5rem auto 1.5rem auto;
  font-size: 1.1rem;
  letter-spacing: 1px;
  box-shadow: 0 4px 32px #6366f122;
  max-width: 700px;
  width: 95%;
}

body {
  margin: 0;
  padding: 0;
  font-family: Calibri, Arial, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 2.0rem;
  font-weight: bold;
  background: linear-gradient(135deg, #e0e7ff 0%, #f3e8ff 100%);
  color: #2d1e5f;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.navbar {
  background: linear-gradient(90deg, #6d28d9 0%, #2563eb 100%);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 2rem;
  box-shadow: 0 2px 10px #6366f133;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: bold;
}
.logo img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid #a5b4fc;
  box-shadow: 0 0 8px #6366f155;
}
.site-icons i,
.channels-box i {
  font-size: 5rem !important;
}
.site-icons span,
.channels-box span {
  font-size: 1.5rem !important;
  font-weight: bold;
}

.navbar ul li a {
  color: #fff;
  text-decoration: none;
  font-size: 1.1rem;
  padding: 8px 18px;
  border-radius: 20px;
  transition: 0.2s, color 0.2s;
}

.navbar ul li a.active,
.navbar ul li a:hover {
  background: #a5b4fc;
  color: #312e81;
}

main {
  max-width: 900px;
  margin: 40px auto 0 auto;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 4px 32px #6366f122;
  padding: 2rem 2.5rem 2.5rem 2.5rem;
}

.intro {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  color: #4f46e5;
  text-align: center;
}

.video-showcase h2 {
  color: #6d28d9;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  text-align: right;
}

.playlists {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2rem;
  justify-content: center;
}

.playlist {
  background: #ede9fecc;
  border-radius: 14px;
  box-shadow: 0 2px 10px #6366f1aa;
  padding: 1.2rem 1.5rem;
  min-width: 260px;
  .main-navbar {
    padding: 0.7rem 0.2rem 0.7rem 0.2rem;
  }
  .main-navbar .logo {
    margin-bottom: 0.7rem;
  }
  .main-navbar .logo span {
    font-size: 1.1rem;
  }
  .main-navbar ul {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 0.3rem;
    margin-top: 0.2rem;
    width: 100vw;
    padding-bottom: 0.2rem;
    scrollbar-width: thin;
    scrollbar-color: #6d28d9 #eee;
  }
  .main-navbar ul::-webkit-scrollbar {
    height: 4px;
    background: #eee;
  }
  .main-navbar ul::-webkit-scrollbar-thumb {
    background: #6d28d9;
    border-radius: 2px;
  }
  .main-navbar ul li {
    flex: 0 0 auto;
  }
  .main-navbar ul li a {
    font-size: 0.95rem;
    padding: 6px 10px;
    border-radius: 12px;
    min-width: 80px;
    text-align: center;
    display: block;
  }
.site-icons > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10rem;
}
  /* تم حذف تكرار .site-icons > div هنا لمنع التعارض مع التعريف الأساسي */
}

@media (max-width: 700px) {
  main {
    padding: 1rem 0.5rem;
  }
  .playlists {
    flex-direction: column;
    gap: 1rem;
  }
  .navbar {
    flex-direction: column;
    gap: 10px;
    padding: 1rem 0.5rem;
  }
}

center h1 {
  color: #6d28d9;
  margin: 0.5rem 0 0 0;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 1px;
}

::-webkit-scrollbar {
  width: 8px;
  background: #eee;
}
::-webkit-scrollbar-thumb {
  background: #6d28d9;
  border-radius: 8px;
}