/* RESET */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  max-width: 100%;
  overflow-x: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Spasi agar konten tidak tertutup navbar */
body {
  padding-top: 70px; /* harus sama dengan tinggi .ios-navbar */
}

/* Navbar utama dengan gradien dan shadow */
.ios-navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: linear-gradient(90deg, #005f73, #0a9396);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: background-color 0.4s ease, box-shadow 0.4s ease;
  z-index: 1030;
  height: 70px;
  display: flex;
  align-items: center;
}

/* Navbar saat scroll */
.ios-navbar.scrolled {
  background: #0a9396;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  height: 60px;
}

/* Grid navbar */
.grid-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  flex-wrap: nowrap;
  padding: 0 1rem;
}

/* Brand grid: logo dan teks */
.brand-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.5rem;
  color: white;
  text-decoration: none;
  min-width: 0;
}

/* Logo dengan transisi dan ukuran default */
.logo-navbar {
  width: 50px;
  height: 50px;
  object-fit: contain;
  border-radius: 6px;
  transition: width 0.3s ease;
}

/* Kecilkan logo saat scroll */
.ios-navbar.scrolled .logo-navbar {
  width: 40px;
  height: 40px;
}

/* Teks brand */
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
}

.school-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.school-sub {
  font-size: 0.9rem;
  font-weight: 400;
  color: #f0f0f0;
  opacity: 0.95;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.4);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Nav menu */
.nav-grid {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Nav items spacing */
.nav-grid .nav-item {
  padding: 0 0.5rem;
}

/* Nav links dengan efek hover */
.nav-link {
  position: relative;
  color: #fff;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: #94d2bd;
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: #94d2bd;
}

.nav-link:hover::after {
  width: 100%;
}

/* Login button styling */
.login-btn {
  padding: 0.4rem 1.2rem;
  font-weight: 600;
  border-radius: 50px;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border: 1.5px solid #fff;
  color: #fff;
  box-shadow: 0 2px 8px rgba(255, 255, 255, 0.2);
}

.login-btn:hover {
  background-color: #94d2bd;
  color: #003d33;
  border-color: #94d2bd;
  box-shadow: 0 4px 15px rgba(148, 210, 189, 0.6);
}

.login-btn i {
  transition: transform 0.2s ease;
}

.login-btn:hover i {
  transform: rotate(5deg) scale(1.1);
}

/* Toggle button */
.navbar-toggler {
  border: none;
  color: #fff;
  transition: transform 0.3s ease;
}

.navbar-toggler:focus {
  outline: none;
  box-shadow: 0 0 0 3px #94d2bd;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(255, 255, 255, 0.9)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

/* Responsive styling */
@media (max-width: 768px) {
  .grid-navbar {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
  }

  .navbar-collapse {
    background-color: #0a9396;
    padding: 1rem 0;
    border-radius: 0 0 12px 12px;
    backdrop-filter: none;
  }

  .navbar-collapse .nav-link {
    color: #fff;
  }

  .navbar-collapse .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
  }

  .nav-grid {
    flex-direction: column;
    align-items: flex-start;
    padding-left: 1rem;
    padding-top: 0.5rem;
    gap: 0.5rem;
  }

  .login-btn {
    align-self: flex-start;
    margin-left: 1rem;
    margin-top: 0.5rem;
    color: #fff;
    border-color: #fff;
  }

  .login-btn:hover {
    background-color: #ffffff;
    color: #000;
    border-color: #fff;
  }

  .brand-grid {
    grid-template-columns: auto 1fr;
  }

  .school-name {
    font-size: 1rem;
  }

  .school-sub {
    font-size: 0.85rem;
  }

  .logo-navbar {
    width: 40px;
    height: 40px;
  }
}
@media (min-width: 992px) {
  /* Default sembunyi di desktop */
  .navbar .nav-item.dropdown .dropdown-menu {
    display: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease-in-out;
  }

  /* Tampilkan saat hover */
  .navbar .nav-item.dropdown:hover .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}
/* Dropdown ala iOS */
.navbar .dropdown-menu {
  background: rgba(255, 255, 255, 0.8); /* Transparan */
  backdrop-filter: blur(12px); /* Efek kaca */
  border-radius: 16px;
  border: none;
  padding: 0.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

.navbar .dropdown-item {
  border-radius: 12px;
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: #333;
  transition: background-color 0.2s ease;
}

.navbar .dropdown-item:hover {
  background-color: rgba(0, 122, 255, 0.15); /* Biru iOS */
  color: #007aff;
}