/* 頂部導航欄樣式 */
.top-nav {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
  position: sticky !important;
  top: 0 !important;
  z-index: 1000 !important;
}

.top-nav .nav-container {
  max-width: 1400px !important;
  margin: 0 auto !important;
  padding: 0 2rem !important;
  display: flex !important;
  align-items: center !important;
}

.top-nav .logo {
  color: white !important;
  font-size: 1.3rem !important;
  font-weight: 700 !important;
  text-decoration: none !important;
  padding: 1rem 0 !important;
  margin-right: 2rem !important;
}

.top-nav .logo:hover {
  text-decoration: none !important;
  color: white !important;
}

.top-nav .tenant-code-badge {
  color: rgba(255, 255, 255, 0.7) !important;
  font-size: 0.75rem !important;
  font-weight: 400 !important;
  background: rgba(255, 255, 255, 0.1) !important;
  padding: 0.2rem 0.6rem !important;
  border-radius: 4px !important;
  margin-right: 1.5rem !important;
  white-space: nowrap !important;
}

.top-nav .nav-menu {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
  flex: 1 !important;
  justify-content: flex-end !important;
}

.top-nav .nav-menu > li {
  position: relative !important;
}

.top-nav .nav-menu > li > a {
  color: white !important;
  text-decoration: none !important;
  padding: 1rem 1rem !important;
  display: block !important;
  transition: background 0.2s !important;
  border-radius: 4px !important;
}

.top-nav .nav-menu > li > a:hover {
  background: rgba(255, 255, 255, 0.1) !important;
  color: white !important;
}

.top-nav .dropdown {
  position: relative !important;
}

.top-nav .dropdown-menu {
  display: none !important;
  position: absolute !important;
  top: 100% !important;
  left: 0 !important;
  background: white !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
  border-radius: 4px !important;
  min-width: 200px !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0.5rem 0 !important;
  z-index: 1001 !important;
}

.top-nav .dropdown:hover .dropdown-menu {
  display: block !important;
}

.top-nav .dropdown-menu li {
  margin: 0 !important;
}

.top-nav .dropdown-menu li a {
  color: #374151 !important;
  text-decoration: none !important;
  padding: 0.75rem 1.5rem !important;
  display: block !important;
  transition: background 0.2s !important;
}

.top-nav .dropdown-menu li a:hover {
  background: #f3f4f6 !important;
}

/* Dropdown open state */
.top-nav .dropdown.open > a {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%) !important;
  color: white !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 4px 12px rgba(8, 145, 178, 0.4) !important;
}

/* 點擊式下拉選單支援 */
.top-nav .dropdown-menu.show {
  display: block !important;
}

/* 漢堡選單按鈕 */
.top-nav .nav-toggle {
  display: none !important;
  background: none !important;
  border: none !important;
  color: white !important;
  font-size: 1.5rem !important;
  cursor: pointer !important;
  padding: 0.5rem !important;
  margin-left: auto !important;
  line-height: 1 !important;
}

/* === RWD: Tablet (1024px) === */
@media (max-width: 1024px) {
  .top-nav .nav-container {
    padding: 0 1rem !important;
  }
  .top-nav .logo {
    font-size: 1.1rem !important;
    margin-right: 1rem !important;
  }
  .top-nav .nav-menu > li > a {
    padding: 0.75rem 0.5rem !important;
    font-size: 0.85rem !important;
  }
}

/* === RWD: Mobile (768px) === */
@media (max-width: 768px) {
  .top-nav .nav-toggle {
    display: block !important;
  }
  .top-nav .nav-container {
    flex-wrap: wrap !important;
  }
  .top-nav .nav-menu {
    display: none !important;
    flex-direction: column !important;
    width: 100% !important;
    gap: 0 !important;
    padding-bottom: 0.5rem !important;
  }
  .top-nav .nav-menu.open {
    display: flex !important;
  }
  .top-nav .nav-menu > li {
    width: 100% !important;
  }
  .top-nav .nav-menu > li > a {
    padding: 0.75rem 1rem !important;
    border-radius: 0 !important;
    font-size: 0.95rem !important;
  }
  .top-nav .dropdown-menu {
    position: static !important;
    box-shadow: none !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border-radius: 0 !important;
    min-width: 100% !important;
  }
  .top-nav .dropdown-menu li a {
    color: rgba(255, 255, 255, 0.85) !important;
    padding: 0.6rem 2rem !important;
    font-size: 0.9rem !important;
  }
  .top-nav .dropdown-menu li a:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    color: white !important;
  }
  .top-nav .dropdown:hover .dropdown-menu {
    display: none !important;
  }
  .top-nav .dropdown-menu.show {
    display: block !important;
  }
}