/* Portfolio Template - Panel Dividers Styles */
/* This file handles the section headers and dropdown functionality */

.panel-divider {
  background: linear-gradient(135deg, #2a2a2a 0%, #3a3a3a 100%);
  color: var(--text-color);
  cursor: pointer;
  padding: 15px 20px;
  margin: 10px 20px;
  border-radius: 8px;
  border-left: 4px solid #4a9eff;
  transition: all 0.3s ease;
  user-select: none;
}

.panel-divider:hover {
  background: linear-gradient(135deg, #3a3a3a 0%, #4a4a4a 100%);
  border-left-color: #66b3ff;
  transform: translateX(5px);
}

.panel-divider.active {
  background: linear-gradient(135deg, #3a3a3a 0%, #4a4a4a 100%);
  border-left-color: #66b3ff;
}

.panel-divider h2 {
  margin: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.2rem;
  font-weight: 600;
  font-family: 'Lexend', sans-serif;
}

.panel-divider h2 span:first-child {
  flex-grow: 1;
}

.dropdown-arrow {
  font-size: 0.8rem;
  transition: transform 0.3s ease;
  margin-left: 10px;
  color: #4a9eff;
}

.panel-divider.active .dropdown-arrow {
  transform: rotate(180deg);
  color: #66b3ff;
}

/* Dropdown Content */
.dropdown-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  margin: 0 20px;
}

.dropdown-content.show {
  max-height: 5000px; /* Large enough to accommodate all content */
}

/* Animation for dropdown content */
.dropdown-content > * {
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.3s ease 0.1s, transform 0.3s ease 0.1s;
}

.dropdown-content.show > * {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animation for multiple items */
.dropdown-content.show > *:nth-child(1) { transition-delay: 0.1s; }
.dropdown-content.show > *:nth-child(2) { transition-delay: 0.2s; }
.dropdown-content.show > *:nth-child(3) { transition-delay: 0.3s; }
.dropdown-content.show > *:nth-child(4) { transition-delay: 0.4s; }
.dropdown-content.show > *:nth-child(5) { transition-delay: 0.5s; }

/* Focus and accessibility */
.panel-divider:focus {
  outline: 2px solid #4a9eff;
  outline-offset: 2px;
}

.panel-divider:focus:not(:focus-visible) {
  outline: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .panel-divider {
    margin: 10px 15px;
    padding: 12px 15px;
  }
  
  .panel-divider h2 {
    font-size: 1.1rem;
  }
  
  .dropdown-arrow {
    font-size: 0.7rem;
  }
  
  .dropdown-content {
    margin: 0 15px;
  }
}

/* Dark theme adjustments */
@media (prefers-color-scheme: dark) {
  .panel-divider {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
  }
  
  .panel-divider:hover,
  .panel-divider.active {
    background: linear-gradient(135deg, #2a2a2a 0%, #3a3a3a 100%);
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .panel-divider {
    border-left-width: 6px;
    border-left-color: #ffffff;
  }
  
  .panel-divider:hover,
  .panel-divider.active {
    border-left-color: #ffffff;
    background: #000000;
  }
  
  .dropdown-arrow {
    color: #ffffff;
  }
}