/* 
 * Layout Utilities
 * Grid system and layout helpers
 */

/* Portfolio Layout */
.portfolio-container {
  display: block;
  /* Use 100dvh so the iOS bottom-bar doesn't clip the layout. */
  min-height: 100dvh;
  overflow-x: hidden;
  background-color: var(--background-color);
}

.main-content {
  flex: 1;
  transition: all 0.3s ease;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Grid for projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
}
/* Note: .skills-container grid styles removed, handled in skills.css */

/* Flex Utilities */
.flex {
  display: flex;
}

.flex-column {
  flex-direction: column;
}

.flex-row {
  flex-direction: row;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-around {
  justify-content: space-around;
}

.align-center {
  align-items: center;
}

.align-start {
  align-items: flex-start;
}

.align-end {
  align-items: flex-end;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-grow {
  flex-grow: 1;
}

/* Spacing */
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.ml-1 { margin-left: var(--spacing-xs); }
.ml-2 { margin-left: var(--spacing-sm); }
.ml-3 { margin-left: var(--spacing-md); }
.ml-4 { margin-left: var(--spacing-lg); }
.ml-5 { margin-left: var(--spacing-xl); }

.mr-1 { margin-right: var(--spacing-xs); }
.mr-2 { margin-right: var(--spacing-sm); }
.mr-3 { margin-right: var(--spacing-md); }
.mr-4 { margin-right: var(--spacing-lg); }
.mr-5 { margin-right: var(--spacing-xl); }

.pt-1 { padding-top: var(--spacing-xs); }
.pt-2 { padding-top: var(--spacing-sm); }
.pt-3 { padding-top: var(--spacing-md); }
.pt-4 { padding-top: var(--spacing-lg); }
.pt-5 { padding-top: var(--spacing-xl); }

.pb-1 { padding-bottom: var(--spacing-xs); }
.pb-2 { padding-bottom: var(--spacing-sm); }
.pb-3 { padding-bottom: var(--spacing-md); }
.pb-4 { padding-bottom: var(--spacing-lg); }
.pb-5 { padding-bottom: var(--spacing-xl); }

.pl-1 { padding-left: var(--spacing-xs); }
.pl-2 { padding-left: var(--spacing-sm); }
.pl-3 { padding-left: var(--spacing-md); }
.pl-4 { padding-left: var(--spacing-lg); }
.pl-5 { padding-left: var(--spacing-xl); }

.pr-1 { padding-right: var(--spacing-xs); }
.pr-2 { padding-right: var(--spacing-sm); }
.pr-3 { padding-right: var(--spacing-md); }
.pr-4 { padding-right: var(--spacing-lg); }
.pr-5 { padding-right: var(--spacing-xl); }

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-index-modal);
  padding: var(--spacing-md);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--background-color); /* Use main background */
  border-radius: var(--border-radius); /* Use standard border radius */
  overflow: hidden;
  max-width: 95%; /* Allow slightly wider on smaller viewports */
  max-height: 90vh;
  width: 1100px; /* Increased width */
  position: relative;
  transform: translateY(20px) scale(0.98); /* Add scale for entry animation */
  transition: transform 0.3s ease-out, opacity 0.3s ease-out; /* Smoother transition */
  opacity: 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15); /* Refined shadow */
}

.modal.active .modal-content {
  transform: translateY(0) scale(1); /* Animate scale too */
  transform: translateY(0);
  opacity: 1;
}

.modal-close {
  position: absolute;
  top: 15px; /* Slightly closer to edge */
  right: 15px;
  width: 32px; /* Smaller button */
  height: 32px;
  background-color: var(--secondary-background-color); /* Use secondary bg */
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-color-secondary); /* Muted color */
  font-size: 1rem; /* Smaller icon */
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10; /* Ensure it's above content */
  border: none; /* Remove default button border */
}

.modal-close:hover {
  background-color: var(--primary-color);
  color: white;
  transform: rotate(90deg) scale(1.1); /* Add scale on hover */
}

.modal-body {
  padding: var(--spacing-lg) var(--spacing-xl); /* Adjust padding */
  overflow-y: auto;
  /* Calculate max-height based on viewport height, leaving space for potential header/footer if added */
  max-height: 90vh;
}

/* Ensure modal body scrollbar looks consistent */
.modal-body::-webkit-scrollbar {
  width: 8px;
}
.modal-body::-webkit-scrollbar-track {
  background: var(--secondary-background-color);
  border-radius: 4px;
}
.modal-body::-webkit-scrollbar-thumb {
  background-color: var(--border-color);
  border-radius: 4px;
}
.modal-body::-webkit-scrollbar-thumb:hover {
  background-color: #aaa;
}

/* Text utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--accent-color); }
.text-muted { opacity: 0.7; }

.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.fw-medium { font-weight: 500; }
.fw-normal { font-weight: 400; }
.fw-light { font-weight: 300; }

/* Responsive Design */
@media screen and (max-width: 768px) {
  .container {
    padding: 0 15px;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .projects-grid,
  .skills-container {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
  }
}

@media screen and (max-width: 576px) {
  .projects-grid,
  .skills-container {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
  }
  
  .modal {
    padding: 0;
  }
}