/* Basic Reset & Swiss Design Font */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
    scroll-behavior: smooth; /* Enable smooth scrolling */
}

body {
  /* Ensure Akkurat font is loaded. Using standard sans-serif fallbacks. */
  font-family: Akkurat, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.7;
  color: #e0e0e0; /* Brighter default text */
  /* High Contrast Background */
  background-color: #0a0a0a; /* Very dark base */
  background-image: none; /* Ensure no background image */
  background-size: 100% 100%;
  background-position: center;
  background-attachment: fixed;
  min-height: 100vh;
  display: flex; /* Needed for centering wrapper */
  justify-content: center;
  align-items: flex-start; /* Align wrapper to top */
  padding: 40px 20px 40px 220px; /* Add left padding for TOC */
  position: relative; /* For TOC positioning context if needed */
}

.background-overlay {
  /* Styles for overlay if needed */
}

/* Table of Contents */
#toc {
    position: fixed; /* Keep it visible */
    left: 20px;
    top: 40px;
    width: 180px; /* Width of the TOC */
    height: calc(100vh - 80px); /* Adjust height based on body padding */
    overflow-y: auto; /* Allow scrolling within TOC if needed */
    padding: 15px;
    font-family: Akkurat, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 0.9rem;
    z-index: 500;
}

#toc h4 {
    font-family: Futura, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-weight: 600;
    color: #a0a0a0; /* Muted heading */
    font-size: 1rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#toc ul {
    list-style: none;
    padding-left: 0;
}

#toc ul ul {
    padding-left: 15px; /* Indent sub-items */
    margin-top: 5px;
}

#toc li {
    margin-bottom: 8px;
}

#toc a {
    color: #888888; /* Muted link color */
    text-decoration: none;
    transition: color 0.2s ease;
    display: block; /* Make link clickable area larger */
}

#toc a:hover,
#toc a:focus {
    color: #cccccc; /* Brighter on hover/focus */
}

/* Style for the primary active TOC link (brightest) */
#toc a.toc-active-primary {
    color: #ffffff; /* White color */
    font-weight: 600; /* Bold */
}

/* Style for secondary active TOC links (dimmer) */
#toc a.toc-active-secondary {
    color: #b0b0b0; /* Grey color */
    /* Optionally use opacity: color: #ffffff; opacity: 0.6; */
    font-weight: 400; /* Normal weight */
}


/* Frosted Glass Container */
.content-wrapper {
  position: relative; /* Needed for z-index stacking */
  z-index: 1;
  width: 100%;
  max-width: 950px; /* Slightly wider */
  /* High Contrast Container */
  background-color: rgba(18, 18, 18, 0.85); /* Darker, more opaque */
  backdrop-filter: blur(8px) saturate(100%); /* Less blur/saturation */
  -webkit-backdrop-filter: blur(8px) saturate(100%);
  border-radius: 6px; /* Sharper radius */
  border: 1px solid rgba(255, 255, 255, 0.15); /* Slightly more visible border */
  padding: 50px 60px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.6); /* Stronger shadow */
  overflow: hidden; /* Ensure content respects border radius */
  /* Removed inner shadow for cleaner look */
}


/* Swiss Design Inspired Layout & Typography */
header {
  text-align: left;
  margin-bottom: 60px; /* Even more space below header */
  padding-bottom: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15); /* Even subtler border */
}

header h1, h2, h3 {
    /* Ensure Futura font is loaded. Using standard sans-serif fallbacks. */
    font-family: Futura, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: #ffffff; /* White headings for high contrast */
}

header h1 {
    font-size: 3.2rem; /* Slightly larger */
    font-weight: 700; /* Bold Futura */
    letter-spacing: -1.5px; /* Tighter spacing */
}

main {
  /* Main content area */
}

.main-content {
  display: flex; /* Use flex for columns */
  gap: 60px; /* Space between columns */
  margin-bottom: 60px;
}

section, header { /* Add scroll margin to sections and header */
  scroll-margin-top: 20px; /* Adjust as needed */
}

section {
  flex: 1;
  min-width: 0;
  margin-bottom: 0;
}

h2 { /* Section titles like About Me, Contact, Projects */
  font-size: 1.6rem;
  font-weight: 600; /* Bold Futura */
  margin-bottom: 20px; /* More space below */
  border-bottom: none;
  padding-bottom: 5px;
  letter-spacing: 0.2px;
}

p {
    font-family: Akkurat, 'Helvetica Neue', Helvetica, Arial, sans-serif; /* Ensure body font */
    font-weight: 400; /* Ensure normal weight */
    font-size: 1rem; /* Standard body size */
    line-height: 1.7;
    color: #c8c8c8; /* Lighter grey body text */
    max-width: 70ch; /* Adjust line length */
}

footer {
  text-align: left;
  margin-top: 40px;
  padding-top: 15px;
  border-top: 1px solid rgba(255, 255, 255, 0.2); /* Lighter separator */
  font-size: 0.9rem;
  color: #bbbbbb; /* Light text */
}


/* Projects Section Styling */
#projects {
  margin-top: 50px; /* Space above the projects section */
  width: 100%;
}


/* Cleaner Project Item Styling */
.project-item {
  background-color: transparent;
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0;
  padding: 40px 0;
  margin-bottom: 0;
  scroll-margin-top: 60px; /* Increase offset for project items */
  box-shadow: none;
}
/* Add top border to the first project item as well */
#projects > .project-item:first-of-type {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.project-content-grid {
    display: flex;
    gap: 40px; /* Space between description and media/code */
    margin-top: 15px; /* Space below title */
}

.project-description {
    flex: 1; /* Takes up available space */
    min-width: 0;
}

.project-media-code {
    flex: 1; /* Takes up available space */
    min-width: 0;
    /* Contains gallery and code section */
}


.project-item h3 { /* Project Titles */
  font-size: 1.4rem;
  font-weight: 700; /* Bold Futura */
  color: #ffffff;
  margin-bottom: 15px; /* More space below title */
  border-bottom: none;
  padding-bottom: 5px;
  letter-spacing: -0.5px;
}

.project-item p {
  font-family: Akkurat, 'Helvetica Neue', Helvetica, Arial, sans-serif; /* Ensure body font */
  font-weight: 400; /* Ensure normal weight */
  font-size: 1rem; /* Standard body size */
  color: #c8c8c8; /* Lighter grey body text */
  margin-bottom: 25px;
}

/* Gallery Styling */
.gallery {
  position: relative; /* Needed for positioning nav buttons */
}

.gallery h4 { /* "Gallery" label */
  font-family: Futura, 'Helvetica Neue', Helvetica, Arial, sans-serif; /* Header font */
  font-weight: 500;
  color: #d0d0d0; /* Slightly brighter label */
  margin-bottom: 12px;
  text-transform: uppercase;
  font-size: 0.85rem; /* Slightly larger label */
  letter-spacing: 1.5px; /* More spacing */
}

.gallery-frame {
    border: 1px solid rgba(255, 255, 255, 0.15); /* Frame border */
    padding: 15px 15px 10px 15px; /* Adjust padding: Top, R/L, Bottom */
    border-radius: 6px; /* Frame radius */
    background-color: rgba(255, 255, 255, 0.03); /* Subtle frame background */
}

.gallery-viewport {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background-color: rgba(0, 0, 0, 0.2);
  min-height: 200px;
  border: none;
}

.gallery-items {
  display: flex; /* Use flex to manage items (though only one is visible) */
}

.gallery-item {
  display: none; /* Hide all items by default */
  width: 100%; /* Ensure item takes full width */
  height: auto;
  vertical-align: middle; /* Align media nicely */
  flex-shrink: 0;
}

.gallery-item.active {
  display: block;
}

/* Container for pan/zoom functionality */
.image-pan-zoom-container {
    width: 100%;
    height: 250px; /* Default height for inline gallery images */
    overflow: hidden;
    position: relative; /* Needed for absolute positioning if required, and for cursor */
    cursor: grab; /* Indicate interactivity */
    background-color: #000; /* Background if image doesn't cover */
    border-radius: 4px; /* Match viewport radius */
    position: relative; /* Ensure positioning context for pseudo-elements */
}

/* Add a zoom indicator icon on hover */
.image-pan-zoom-container::after {
    content: '\f00e'; /* Font Awesome zoom-in icon */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
    background-color: rgba(0, 0, 0, 0.5);
    padding: 5px 8px;
    border-radius: 3px;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
    pointer-events: none; /* Don't let the icon interfere with clicks */
    z-index: 10; /* Ensure it's above the image */
}

.image-pan-zoom-container:hover::after {
    opacity: 1; /* Show icon on hover */
}


.image-pan-zoom-container.panning {
    cursor: grabbing; /* Cursor while panning */
}

/* Style for images within the pan/zoom container */
.image-pan-zoom-container img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain; /* Start contained, zoom will scale it */
    transform-origin: 0 0; /* Set transform origin for scaling/panning */
    transition: transform 0.1s ease-out; /* Smooth transition for zoom */
    user-select: none; /* Prevent text selection */
    -webkit-user-drag: none; /* Prevent default drag */
}


/* Responsive Video Container */
.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: #000; /* Black background for loading */
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0; /* Remove iframe border */
}

.gallery-nav {
  display: flex;
  justify-content: center; /* Center buttons below */
  align-items: center; /* Vertically align buttons */
  gap: 8px; /* Slightly smaller gap */
  background-color: rgba(0, 0, 0, 0.2); /* Darker background */
  padding: 5px 8px; /* Adjust padding to contain buttons nicely */
  margin-top: 10px; /* Add space between viewport and nav background */
  border-radius: 4px; /* Optional: slightly round the nav background */
}

/* Minimalist Gallery Nav Buttons (Consolidated) */
.gallery-nav button,
.gallery-expand-button {
  background-color: rgba(255, 255, 255, 0.05);
  border: none;
  color: #a0a0a0;
  padding: 8px 10px; /* Adjust padding for icons */
  border-radius: 3px;
  cursor: pointer;
  font-size: 0.9rem; /* Icon size */
  line-height: 1;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.gallery-nav button:hover,
.gallery-expand-button:hover {
  background-color: rgba(255, 255, 255, 0.1); /* Subtle hover */
  color: #fff; /* Brighten text */
}

.gallery-nav button:active,
.gallery-expand-button:active {
    transform: none; /* Remove transform */
    background-color: rgba(255, 255, 255, 0.03); /* Darker active */
}

/* Expandable Section Styling - Removed */


/* Code Controls Wrapper */
.code-controls {
    margin-bottom: 10px;
    min-height: 34px; /* Ensure consistent height */
    /* Container for button and placeholder */
}

/* Code Toggle Button Styling - Default: Full Width Bar */
.toggle-code {
  display: block; /* Make it a block element */
  width: 100%; /* Default to full width */
  gap: 8px; /* Space between icon and text */
  background-color: rgba(0, 0, 0, 0.2); /* Keep darker background */
  border: none; /* Explicitly remove border */
  color: #b0b0b0; /* Muted text color */
  padding: 8px 15px; /* Keep padding */
  border-radius: 4px; /* Keep rounded corners */
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  font-family: Akkurat, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 500; /* Medium weight */
  box-shadow: none;
  text-align: center; /* Ensure text is centered if flex centering fails */
}

/* Icon within the toggle button */
.toggle-code i {
    font-size: 0.9rem;
    line-height: 1;
}

/* Style for the expand icon placeholder - Hidden by default */
.code-expand-placeholder {
    display: none; /* Hidden by default */
    display: flex; /* Keep flex for alignment */
    align-items: center;
    min-width: 20px; /* Ensure it takes some space */
}

/* Style for the expand icon itself */
.code-expand-placeholder .code-expand-icon {
    color: #999;
    font-size: 1.1rem;
    cursor: pointer;
    transition: color 0.2s ease;
}
.code-expand-placeholder .code-expand-icon:hover {
    color: #fff;
}

/* Styles when code is expanded */
.code-controls.controls-expanded {
    display: flex; /* Become flex container when expanded */
    justify-content: space-between; /* Enable space-between */
    align-items: center; /* Align items vertically */
    gap: 10px; /* Add gap back */
}

.code-controls.controls-expanded .toggle-code {
    display: inline-flex; /* Change back to inline-flex */
    justify-content: center; /* Re-apply flex centering */
    align-items: center;
    width: auto; /* Allow button to shrink */
    flex-grow: 1; /* Take available space next to icon */
}

.code-controls.controls-expanded .code-expand-placeholder {
    display: flex; /* Show the placeholder */
}


.toggle-code:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.toggle-code:active {
    transform: none;
    box-shadow: none;
    background-color: rgba(255, 255, 255, 0.05);
}


/* Style for the gallery expand button (consolidated with nav buttons below) */
/* .gallery-expand-button { ... } */

/* Ensure the icon within the expand button is sized correctly */
/* .gallery-expand-button i { ... } */

/* Remove clickable viewport styles if they still exist */
/* .gallery-viewport.clickable-expand { ... } */
/* .gallery-viewport.clickable-expand::after { ... } */

/* Ensure viewport doesn't have pointer cursor unless intended otherwise */
.gallery-viewport {
    position: relative; /* Keep for potential future use, but not for click */
}


/* Remove collapsed styles for gallery frame (already done) */
.gallery-frame {
    /* Ensure it's visible */
    transition: none; /* Remove transitions related to collapsing */
}


/* Code Snippet - already handles collapse */
.code-snippet {
    padding: 8px 10px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 0.9rem; /* Icon size */
    line-height: 1;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* Styles for .gallery-expand-button:hover, :active, and i are now consolidated above */

/* Remove clickable viewport styles if they still exist */
/* .gallery-viewport.clickable-expand { ... } */
/* .gallery-viewport.clickable-expand::after { ... } */

/* Ensure viewport doesn't have pointer cursor unless intended otherwise */
.gallery-viewport {
    position: relative; /* Keep for potential future use, but not for click */
}


/* Remove collapsed styles for gallery frame (already done) */
.gallery-frame {
    /* Ensure it's visible */
    transition: none; /* Remove transitions related to collapsing */
}


/* Code Snippet - already handles collapse */
.code-snippet {
  max-height: 400px; /* Max height when expanded */
  overflow: auto; /* Scrollbars if needed */
  background-color: rgba(0, 0, 0, 0.25); /* Lighter code background */
  border-radius: 3px;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out, opacity 0.4s ease-out, margin-bottom 0.4s ease-out, border-color 0.4s ease-out; /* Smoother transition */
  opacity: 1;
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, 0.1); /* Match wrapper border */
  margin-bottom: 0;
}

.code-snippet.collapsed {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
  overflow: hidden; /* Hide content completely when collapsed */
  border-color: transparent;
  margin-bottom: -10px; /* Pull toggle button closer when collapsed */
}

.code-snippet pre {
  margin: 0; /* Remove default pre margin */
  white-space: pre-wrap; /* Wrap long lines */
  word-wrap: break-word; /* Break words if necessary */
}

.code-snippet code {
  font-family: 'SF Mono', Monaco, Consolas, 'Courier New', Courier, monospace; /* Monospace stack */
  font-size: 0.9rem;
  color: #c8c8c8; /* Match body text lightness */
  display: block;
}

/* Project Links Styling */
.project-links {
  margin-top: 15px; /* Space above links within description */
}

.project-links a {
  font-family: Akkurat, 'Helvetica Neue', Helvetica, Arial, sans-serif; /* Ensure body font */
  font-weight: 500; /* Slightly bolder links */
  color: #9ecaff; /* Brighter link color */
  text-decoration: none; /* Remove default underline */
  transition: color 0.2s ease, border-bottom-color 0.2s ease;
  border-bottom: 1px solid rgba(158, 202, 255, 0.4); /* Subtle border instead of underline */
  padding-bottom: 1px;
}

.project-links a:hover {
  color: #cce1ff; /* Lighter hover color */
  border-bottom-color: rgba(204, 225, 255, 0.8); /* Brighter border on hover */
}


/* Modal Styles */
.modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.85); /* Darker overlay */
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    padding: 40px 20px; /* Padding around content */
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.modal.visible {
    display: flex; /* Use flex to center content */
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    position: relative;
    background-color: rgba(30, 30, 30, 0.95); /* Modal background */
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    width: 90%;
    max-width: 1200px; /* Max width for gallery/code */
    max-height: 90vh; /* Limit height */
    overflow-y: auto; /* Allow scrolling if content overflows */
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    color: #aaa;
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    padding: 5px;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: #fff;
    z-index: 1100; /* Ensure close button is above modal content */
}

/* Modal Specific Content Styles */
.modal-gallery-content .gallery-viewport {
    max-height: 70vh; /* Limit viewport height in modal */
    background-color: #000; /* Black background for videos/images */
}

/* Adjust pan/zoom container height in modal */
.modal-gallery-content .image-pan-zoom-container {
    height: 70vh; /* Force height to allow letterboxing/pillarboxing */
    min-height: 200px; /* Ensure a minimum size */
    /* max-height: 70vh; /* This is now implicitly set by height */
}

/* Ensure images in the modal pan/zoom container scale naturally */
.modal-gallery-content .image-pan-zoom-container img {
    /* Styles for images specifically within the modal's pan/zoom container */
}


/* Target the nav bar specifically within the cloned frame inside the modal */
.modal-gallery-content .gallery-frame .gallery-nav {
    margin-top: 15px;
    /* Explicitly ensure background bar is present in modal */
    background-color: rgba(0, 0, 0, 0.2);
    padding: 5px 8px;
    border-radius: 4px;
}

.modal-code-content pre {
    max-height: 75vh; /* Limit code height */
    overflow: auto;
}
.modal-code-content code {
    font-size: 0.95rem; /* Slightly larger code in modal */
}

/* Line Numbers Styling (for highlightjs-line-numbers.js plugin) */
.hljs-ln { /* The table wrapper */
    border-collapse: collapse;
    border-spacing: 0;
    width: 100%;
}

.hljs-ln td {
    padding: 0; /* Reset padding */
    vertical-align: top; /* Align lines to top */
}

.hljs-ln-numbers {
    text-align: right;
    color: #666; /* Dim color for line numbers */
    padding-right: 10px; /* Space between numbers and code */
    user-select: none; /* Prevent selecting line numbers */
    border-right: 1px solid rgba(255, 255, 255, 0.1); /* Separator line */
    width: 1%; /* Keep width minimal */
    white-space: nowrap; /* Prevent numbers from wrapping */
    font-size: 0.85em; /* Slightly smaller numbers */
    /* Ensure numbers use the same monospace font */
    font-family: 'SF Mono', Monaco, Consolas, 'Courier New', Courier, monospace;
}

.hljs-ln-code {
    padding-left: 10px; /* Space after separator */
}

/* Ensure pre retains its styling within the table */
.hljs-ln pre {
    margin: 0;
    overflow: visible; /* Allow code to flow naturally */
    white-space: pre-wrap; /* Keep wrapping */
    word-wrap: break-word; /* Keep word breaking */
}

/* Ensure code retains its styling */
.hljs-ln code.hljs {
    padding: 0 !important; /* Remove padding from code element itself, override hljs styles */
    background: none !important; /* Remove background if any, override hljs styles */
    display: block; /* Ensure it behaves as a block */
}


/* Responsive adjustments */
@media (max-width: 768px) {
  /* Hide TOC on mobile */
  #toc {
    display: none;
  }

  body {
    padding: 20px 15px; /* Remove left padding, adjust top/bottom/right */
    align-items: flex-start; /* Align content to top on mobile */
  }

  .content-wrapper {
    padding: 25px 15px; /* Further reduce padding */
    margin-top: 15px;
  }

  /* Stack main content columns */
  .main-content {
    flex-direction: column;
    gap: 0; /* Remove gap when stacked */
  }

  header h1 {
    font-size: 2.0rem; /* Slightly smaller header */
  }

  h2 {
    font-size: 1.4rem; /* Adjust section heading size */
  }

  .project-item h3 { /* Adjust project title size on mobile */
      font-size: 1.2rem;
  }

  section {
      margin-bottom: 40px; /* Restore margin for stacked sections */
  }

  .project-item {
    padding: 30px 0;
  }

  /* Stack project content columns */
  .project-content-grid {
      flex-direction: column;
      gap: 25px; /* Adjust gap for stacked */
  }

  /* Removed .project-nav styles */


  /* Gallery styles are mostly fine */
   .gallery-frame {
       padding: 10px; /* Reduce frame padding */
   }
  .gallery-nav button {
    padding: 6px 10px; /* Adjust padding */
    font-size: 0.9rem;
  }

  .code-snippet {
    max-height: 300px; /* Adjust max height */
  }
}