:root {
  --bg: #0f0f2d;
  --sidebar-bg: #0a0a20;
  --text: #c9b037;
  --link: #7393b3;
  --link-hover: #a8c4e0;
  --border: #c9b037;
  --dim-text: #8a7c45;
  --button-face: rgba(15, 15, 45, 0.8);
}

* {
  box-sizing: border-box;
}

body,
html {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  background-color: var(--bg);
  color: var(--text);
  font-family:
    'Comic Sans MS', 'Comic Sans', 'Chalkboard SE', 'Comic Neue',
    sans-serif;
  overflow: hidden;
}

/* --- TYPOGRAPHY & LINKS --- */
h1,
h2,
h3 {
  font-weight: normal;
  margin-top: 0;
  border-bottom: 1px solid var(--border);
  padding-bottom: 5px;
}

a {
  color: var(--link);
  text-decoration: underline;
  cursor: pointer;
}

a:hover {
  color: var(--link-hover);
  background-color: rgba(115, 147, 179, 0.1);
}

p {
  line-height: 1.5;
  margin-bottom: 15px;
}

.mono {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9em;
}

/* --- BACKGROUND SKETCH --- */
#bg-sketch-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.5;
  pointer-events: none;
}

/* --- SPLASH SCREEN --- */
#splash-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 1s ease-out;
}

#splash-p5 {
  border: 4px ridge var(--border);
  margin-bottom: 20px;
  box-shadow: 0 0 20px rgba(201, 176, 55, 0.15);
  width: 300px;
  height: 300px;
  background: #000;
}

.enter-btn {
  font-family: 'Courier New', monospace;
  font-size: 1.5rem;
  color: var(--text);
  background: var(--button-face);
  border: 2px outset var(--border);
  padding: 10px 20px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.1s;
}

.enter-btn:hover {
  background-color: var(--border);
  color: var(--bg);
}

.enter-btn:active {
  border-style: inset;
  transform: translateY(1px);
}

/* --- MAIN LAYOUT --- */
#main-site {
  height: 100vh;
  height: 100dvh; /* Modern mobile fix - accounts for URL bar */
  width: 100vw;
  display: grid;
  grid-template-columns: 260px 1fr;
  grid-template-rows: 100%;
  position: relative;
  z-index: 10;
}

/* Hidden state for splash page */
#main-site.hidden {
  display: none;
}

/* Mobile Layout */
@media (max-width: 768px) {
  body, html {
    overflow: hidden; /* Prevent body scroll, we scroll internal frames */
  }

  #main-site {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    height: 100vh;
    height: 100dvh; /* Dynamic viewport height - accounts for mobile URL bar */
  }

  /* --- STICKY MOBILE HEADER --- */
  .sidebar {
    position: sticky;
    top: 0;
    z-index: 100;
    border-right: none !important;
    border-bottom: 3px ridge var(--border);
    padding: 0 !important;
    height: auto;
    max-height: none;
    overflow: visible;
    flex-shrink: 0;
  }

  /* Mobile header bar - always visible */
  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    background: var(--bg);
    user-select: none;
  }

  .mobile-header:active {
    background: #1a1a3a;
  }

  .mobile-header h2 {
    margin: 0;
    border: none;
    font-size: 1rem;
  }

  .mobile-header-toggle {
    font-family: monospace;
    font-size: 1rem;
    color: var(--text);
    border: 1px solid var(--border);
    padding: 2px 8px;
    transition: transform 0.3s;
  }

  .sidebar.expanded .mobile-header-toggle {
    transform: rotate(180deg);
  }

  /* Hide profile icon on mobile */
  .profile-img {
    display: none;
  }

  /* Hide tagline + decorative hr on mobile */
  .sidebar > h2:not(.mobile-header h2),
  .sidebar > div:nth-child(3),
  .sidebar > .decorative-hr:first-of-type {
    display: none;
  }

  /* Collapsible content wrapper - mechanical slide */
  .sidebar-collapsible {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    background: rgba(5, 5, 16, 0.98);
  }

  .sidebar.expanded .sidebar-collapsible {
    max-height: 80vh;
    overflow-y: auto;
    padding: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.8);
  }

  /* Navigation module styling */
  .sidebar-collapsible .sidebar-module {
    margin-bottom: 12px;
    border: none;
    background: none;
    padding: 0;
  }

  .sidebar-collapsible .module-header {
    font-size: 0.65rem;
    margin: 0 0 8px 0;
    padding: 2px 5px;
    display: inline-block;
  }

  /* Stacked nav on mobile - big touch targets */
  .nav-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    border: none;
    padding: 0;
    margin: 0;
  }

  .nav-item {
    margin-bottom: 0;
  }

  .nav-link {
    padding: 12px 15px;
    font-size: 1rem;
    text-align: center;
  }

  /* Links as 2-column grid on mobile */
  .sidebar-extras {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .sidebar-extras > .sidebar-module:first-child {
    display: block;
    grid-column: 1 / -1;
  }

  .sidebar-extras > .sidebar-module:first-child > div {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
  }

  .sidebar-extras > .sidebar-module:first-child > div br {
    display: none;
  }

  /* Hide currently reading (marquee too wide) */
  .sidebar-extras > .sidebar-module:nth-child(2) {
    display: none;
  }

  /* Show axiom */
  .sidebar-extras > .sidebar-module:nth-child(3) {
    display: block;
    grid-column: 1 / -1;
    margin-bottom: 0;
    text-align: center;
  }

  .sidebar-extras > .sidebar-module:nth-child(3) .module-header {
    margin-bottom: 3px;
  }

  .sidebar-extras > .sidebar-module:nth-child(3) p {
    font-size: 0.75rem;
    margin: 0;
  }

  /* Hide everything else in sidebar-extras */
  .sidebar-extras > .decorative-hr,
  .sidebar-extras > .hit-counter,
  .sidebar-extras > .badges-container,
  .sidebar-extras > div:not(.sidebar-module):not(.decorative-hr):not(.badges-container) {
    display: none;
  }

  /* Content frame - internal scrolling */
  .content-frame {
    padding: 20px 15px 60px 15px;
    overflow-y: auto;
  }

  .page-section {
    padding: 20px;
    box-shadow: 5px 5px 0px rgba(0, 0, 0, 0.6);
  }

  h1 {
    font-size: 1.4rem;
  }

  /* Larger tap targets for buttons */
  .enter-btn {
    padding: 15px 24px;
    font-size: 1rem;
    min-height: 48px;
    width: 100%;
  }

  /* Date badge repositioning */
  .date-badge {
    float: none;
    display: inline-block;
    margin-bottom: 10px;
  }

  /* Project grid single column on small screens */
  .project-grid {
    grid-template-columns: 1fr;
  }

  /* Splash screen mobile */
  #splash-p5 {
    width: 200px;
    height: 200px;
  }

  /* Form inputs - tactile inset styling */
  input[type="text"],
  textarea {
    font-size: 16px !important; /* Prevents iOS zoom on focus */
    min-height: 48px;
    padding: 12px !important;
    background: #000;
    border: 2px inset var(--dim-text);
    color: var(--text);
    width: 100%;
    border-radius: 0;
  }

  input[type="text"]:focus,
  textarea:focus {
    outline: none;
    border-color: var(--border);
  }

  textarea {
    min-height: 120px;
  }
}

/* Desktop: hide mobile-only elements */
@media (min-width: 769px) {
  .mobile-header {
    display: none;
  }

  .sidebar-collapsible {
    display: contents;
  }
}

/* --- SIDEBAR --- */
.sidebar {
  background-color: rgba(10, 10, 32, 0.95);
  border-right: 4px ridge var(--border);
  padding: 20px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  text-align: center;
  font-size: 0.9rem;
  box-shadow: 5px 0 15px rgba(0, 0, 0, 0.5);
}

.profile-img {
  width: 100px;
  height: 100px;
  border: 4px inset var(--border);
  margin: 0 auto 15px auto;
  background-color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--dim-text);
}

.nav-list {
  list-style-type: none;
  padding: 0;
  margin: 20px 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-item {
  margin-bottom: 0;
}

.nav-link {
  display: block;
  padding: 8px 10px;
  text-decoration: none;
  font-weight: bold;
  background: rgba(0, 0, 0, 0.3);
  border: 2px outset var(--dim-text);
  transition: all 0.1s;
}

.nav-link:hover {
  background-color: var(--dim-text);
  color: var(--bg);
  text-decoration: none;
}

.nav-link:active {
  border-style: inset;
}

.nav-link.active {
  background-color: var(--text);
  color: var(--bg);
  border: 2px inset var(--border);
}

.sidebar-module {
  margin-bottom: 15px;
  border: 1px solid var(--dim-text);
  padding: 8px;
  background: rgba(0, 0, 0, 0.3);
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.5);
}

.module-header {
  font-family: 'Courier New';
  font-size: 0.75rem;
  background: var(--dim-text);
  color: var(--bg);
  margin: -8px -8px 8px -8px;
  padding: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: bold;
}

.hit-counter {
  font-family: 'Courier New', monospace;
  background: #000;
  border: 2px inset #555;
  color: #ff0000;
  padding: 2px 8px;
  margin: 10px auto;
  display: inline-block;
  letter-spacing: 3px;
  font-weight: bold;
  font-size: 1rem;
}

/* --- CONTENT FRAME --- */
.content-frame {
  padding: 40px;
  overflow-y: auto;
  background: transparent;
}

.page-section {
  max-width: 800px;
  margin: 0 auto;
  border: 2px solid var(--border);
  padding: 25px;
  background-color: rgba(15, 15, 45, 0.92);
  box-shadow: 8px 8px 0px rgba(0, 0, 0, 0.6);
  margin-bottom: 40px;
  position: relative;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-section {
  animation: fadeIn 0.3s;
}

.date-badge {
  float: right;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  background: #000;
  color: var(--link);
  border: 1px solid var(--link);
  padding: 2px 5px;
  box-shadow: 2px 2px 0 var(--dim-text);
}

.decorative-hr {
  text-align: center;
  margin: 30px 0;
  color: var(--dim-text);
  font-size: 0.9rem;
  font-family: monospace;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 20px;
}

.project-card {
  border: 1px solid var(--dim-text);
  padding: 15px;
  background: rgba(0, 0, 0, 0.4);
  transition: transform 0.15s, box-shadow 0.15s;
}

.project-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--dim-text);
}

.project-card h4 {
  margin-top: 0;
  color: var(--link);
  font-size: 1.1rem;
}

/* --- 88x31 BUTTONS --- */
.badges-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
  margin-top: 10px;
}

.badge-88x31 {
  width: 88px;
  height: 31px;
  border: 1px outset #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-family: 'Pixel', sans-serif;
  text-decoration: none;
  color: white !important;
  text-shadow: 1px 1px 0 #000;
  image-rendering: pixelated;
}

.b-claude {
  background: #d97757;
  color: #fff !important;
}
.b-p5 {
  background: #ed225d;
  color: #fff !important;
}
.b-ghostty {
  background: #1c1c1c;
  color: #fff !important;
  border-color: #333;
}
.b-latent {
  background: linear-gradient(to bottom, #4b0082, #000);
  color: #e6e6fa !important;
}
.b-ts {
  background: #3178c6;
  color: #fff !important;
}
.b-mlx {
  background: linear-gradient(to bottom, #888, #444);
  color: #fff !important;
}

.badge-notepad {
  background: linear-gradient(to bottom, #7393b3, #0f0f2d);
}
.badge-btc {
  background: linear-gradient(to bottom, #c9b037, #8a7c45);
}
.badge-w3c {
  background: linear-gradient(to bottom, #d6d6d6, #808080);
  color: black !important;
  text-shadow: none;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 14px;
}
::-webkit-scrollbar-track {
  background: #000;
  border-left: 1px solid var(--border);
}
::-webkit-scrollbar-thumb {
  background: var(--dim-text);
  border: 2px solid #000;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text);
}

.marquee {
  white-space: nowrap;
  overflow: hidden;
  box-sizing: border-box;
  font-family: 'Courier New';
  font-size: 0.8rem;
}

.marquee span {
  display: inline-block;
  padding-left: 100%;
  animation: marquee 20s linear infinite;
}

@keyframes marquee {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(-100%, 0);
  }
}

/* --- PROJECT LINKS --- */
.project-links {
  margin-top: 10px;
}

.project-links a {
  margin-right: 10px;
  font-size: 0.9rem;
}

/* --- STUDIO ITEMS --- */
.studio-item {
  margin-bottom: 10px;
}

.studio-item h3 {
  margin-bottom: 5px;
}

.studio-item:last-child .decorative-hr {
  display: none;
}

/* --- WRITING LIST --- */
#writing-list {
  list-style-type: square;
  padding-left: 20px;
}

#writing-list li {
  margin-bottom: 10px;
  line-height: 1.6;
}

/* --- REPO INDEX --- */
#repo-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}

.repo-badge {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--dim-text);
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  text-decoration: none;
  transition: all 0.15s;
}

.repo-badge:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

/* --- EXTERNAL LINK ICON --- */
.sidebar-module a[target="_blank"]::after {
  content: " ↗";
  font-size: 0.7em;
}

/* --- FOOTER --- */
.site-footer {
  text-align: center;
  margin-top: 50px;
  color: var(--dim-text);
  font-family: 'Courier New';
  font-size: 0.8rem;
}