/* Logic Simulator Styles */

/* CSS Custom Properties for Theme Support */
:root {
  /* Light theme colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f5;
  --bg-tertiary: #e0e0e0;
  --text-primary: #000000;
  --text-secondary: #333333;
  --text-muted: #666666;
  --border-color: #ddd;
  --border-color-dark: #ccc;
  --border-color-light: #bbb;
  --header-bg: #222;
  --header-text: #ffffff;
  --button-bg: #e0e0e0;
  --button-border: #bbb;
  --button-active-bg: #cce5ff;
  --button-active-border: #007bff;
  --footer-bg: #f0f0f0;
  --footer-border: #ccc;
  --modal-bg: rgba(0, 0, 0, 0.25);
  --modal-content-bg: #ffffff;
  --editor-border: #ddd;
  --resizer-bg: #ddd;
  --resizer-hover: #ccc;
  --resizer-handle: #999;
  --outputs-bg: #f5f5f5;
  --code-bg: #f1f5c8;
  --code-text: rgb(46, 35, 9);
  
  /* Markdown specific colors */
  --md-border: #d1d9e0;
  --md-blockquote-text: #656d76;
  --md-code-bg: #f6f8fa;
  --md-code-text: #1f2328;
  --md-table-header-bg: #f6f8fa;
  --md-table-border: #d1d9e0;
  --md-table-row-even: #f6f8fa;
  --md-link: #0969da;
  --md-link-visited: #8250df;
  --md-hr: #d1d9e0;
}

/* Dark theme colors */
[data-theme="dark"] {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --text-primary: #f0f6fc;
  --text-secondary: #e6edf3;
  --text-muted: #7d8590;
  --border-color: #30363d;
  --border-color-dark: #21262d;
  --border-color-light: #373e47;
  --header-bg: #0d1117;
  --header-text: #f0f6fc;
  --button-bg: #21262d;
  --button-border: #30363d;
  --button-active-bg: #1c2128;
  --button-active-border: #58a6ff;
  --footer-bg: #161b22;
  --footer-border: #30363d;
  --modal-bg: rgba(0, 0, 0, 0.6);
  --modal-content-bg: #0d1117;
  --editor-border: #30363d;
  --resizer-bg: #21262d;
  --resizer-hover: #30363d;
  --resizer-handle: #6e7681;
  --outputs-bg: #161b22;
  --code-bg: #161b22;
  --code-text: #e6edf3;
  
  /* Markdown specific colors */
  --md-border: #30363d;
  --md-blockquote-text: #7d8590;
  --md-code-bg: #161b22;
  --md-code-text: #f0f6fc;
  --md-table-header-bg: #161b22;
  --md-table-border: #30363d;
  --md-table-row-even: #161b22;
  --md-link: #58a6ff;
  --md-link-visited: #bc8cff;
  --md-hr: #30363d;
}

/* Auto dark mode based on system preference */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #f0f6fc;
    --text-secondary: #e6edf3;
    --text-muted: #7d8590;
    --border-color: #30363d;
    --border-color-dark: #21262d;
    --border-color-light: #373e47;
    --header-bg: #0d1117;
    --header-text: #f0f6fc;
    --button-bg: #21262d;
    --button-border: #30363d;
    --button-active-bg: #1c2128;
    --button-active-border: #58a6ff;
    --footer-bg: #161b22;
    --footer-border: #30363d;
    --modal-bg: rgba(0, 0, 0, 0.6);
    --modal-content-bg: #0d1117;
    --editor-border: #30363d;
    --resizer-bg: #21262d;
    --resizer-hover: #30363d;
    --resizer-handle: #6e7681;
    --outputs-bg: #161b22;
    --code-bg: #161b22;
    --code-text: #e6edf3;
    
    /* Markdown specific colors */
    --md-border: #30363d;
    --md-blockquote-text: #7d8590;
    --md-code-bg: #161b22;
    --md-code-text: #f0f6fc;
    --md-table-header-bg: #161b22;
    --md-table-border: #30363d;
    --md-table-row-even: #161b22;
    --md-link: #58a6ff;
    --md-link-visited: #bc8cff;
    --md-hr: #30363d;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

body {
  font-family: system-ui, sans-serif;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  gap: 8px;
  padding: 8px 8px 60px;
}

header {
  background: var(--header-bg);
  color: var(--header-text);
  padding: 8px 14px;
  font-weight: 600;
  border-radius: 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border-color-light);
  border-radius: 6px;
  padding: 6px 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  color: var(--header-text);
  font-size: 16px;
  min-width: 36px;
  height: 32px;
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  transform: scale(1.05);
}

.theme-toggle .theme-icon {
  transition: transform 0.3s ease;
}

.theme-toggle:active .theme-icon {
  transform: rotate(180deg);
}

.editor-section {
  flex: none;
  height: calc(80vh - 50px);
  display: flex;
  flex-direction: column;
  /* min-height: 200px; */
  overflow: hidden;
}

.CodeMirror {
  flex: 1;
  height: 100%; /* Force CodeMirror to fill container height */
  min-height: 0; /* Allow it to shrink below content size */
  max-height: 100%; /* Prevent it from growing beyond container */
  border: 1px solid var(--editor-border);
  border-radius: 4px;
  overflow: hidden;
  touch-action: manipulation; /* Allow CodeMirror to handle its own touch events */
  background-color: var(--bg-primary) !important;
  color: var(--text-primary) !important;
}

.panel {
  background: var(--bg-secondary);
  padding: 8px;
  border: 1px solid var(--border-color-dark);
  border-radius: 4px;
}

.resizer {
  height: 8px;
  background: var(--resizer-bg);
  cursor: row-resize;
  border: 1px solid var(--border-color-light);
  border-left: none;
  border-right: none;
  position: relative;
  touch-action: none;
  /* Prevent default touch behaviors for this element */
}

.resizer:hover {
  background: var(--resizer-hover);
}

.resizer::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 2px;
  background: var(--resizer-handle);
  border-radius: 1px;
}

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

.outputs-section h3 {
  margin: 0 0 8px 0;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-secondary);
}

#outputs {
  height: calc(100% - 40px);
  /* background: #f5f5f5;  */
  /* border: 1px solid #ccc; */
  /* border-radius: 4px; */
  padding: 8px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.4;
  overflow-y: auto;
  background-color: var(--outputs-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

button {
  cursor: pointer;
}

#runBtn {
  background: linear-gradient(90deg, #4caf50 60%, #388e3c 100%);
  color: #ffffff;
  font-weight: bold;
  font-size: 1.05em;
  border: none;
  border-radius: 5px;
  padding: 2px 22px 2px 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: background 0.2s;
  margin-left: 18px;
}

#runBtn:hover {
  background: linear-gradient(90deg, #43a047 60%, #2e7031 100%);
}

#runBtn .play-icon {
  margin-right: 8px;
}

pre {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 8px;
  overflow: auto;
  font-size: 13px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--modal-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--modal-content-bg);
  border-radius: 8px;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
  padding: 24px;
  min-width: 320px;
  max-width: 85vw;
  max-height: 85vh;
  overflow: auto;
  position: relative;
  line-height: 1.6;
  color: var(--text-primary);
}

#errorModal #errormsg {
  color: var(--text-primary);
}

#errorModal #errormsg .error-message {
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.5;
}

#scoreresult .score-log {
  background: var(--md-code-bg);
  border: 1px solid var(--md-border);
  padding: 12px;
  margin-top: 12px;
  text-align: left;
  color: var(--text-primary);
  border-radius: 6px;
  font-family: 'Courier New', Consolas, 'Liberation Mono', Menlo, monospace;
  white-space: pre-wrap;
}

/* Markdown Content Styling */
#readmeContent {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  max-width: none;
  word-wrap: break-word;
}

#readmeContent h1, 
#readmeContent h2, 
#readmeContent h3, 
#readmeContent h4, 
#readmeContent h5, 
#readmeContent h6 {
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-secondary);
}

#readmeContent h1 {
  font-size: 2em;
  border-bottom: 1px solid var(--md-border);
  padding-bottom: 0.3em;
  margin-bottom: 16px;
}

#readmeContent h2 {
  font-size: 1.5em;
  border-bottom: 1px solid var(--md-border);
  padding-bottom: 0.3em;
  margin-bottom: 16px;
}

#readmeContent h3 {
  font-size: 1.25em;
}

#readmeContent h4 {
  font-size: 1em;
}

#readmeContent h5 {
  font-size: 0.875em;
}

#readmeContent h6 {
  font-size: 0.85em;
  color: var(--md-blockquote-text);
}

#readmeContent p {
  margin-top: 0;
  margin-bottom: 16px;
}

#readmeContent blockquote {
  padding: 0 1em;
  color: var(--md-blockquote-text);
  border-left: 0.25em solid var(--md-border);
  background: var(--bg-secondary);
  border-radius: 4px;
  margin: 0 0 16px 0;
}

#readmeContent blockquote > :first-child {
  margin-top: 0;
}

#readmeContent blockquote > :last-child {
  margin-bottom: 0;
}

#readmeContent ul, 
#readmeContent ol {
  margin-top: 0;
  margin-bottom: 16px;
  padding-left: 2em;
}

#readmeContent li {
  margin: 0.25em 0;
}

#readmeContent li > p {
  margin-top: 16px;
  margin-bottom: 16px;
}

#readmeContent li + li {
  margin-top: 0.25em;
}

#readmeContent dl {
  padding: 0;
}

#readmeContent dl dt {
  padding: 0;
  margin-top: 16px;
  font-size: 1em;
  font-style: italic;
  font-weight: 600;
}

#readmeContent dl dd {
  padding: 0 16px;
  margin-bottom: 16px;
}

#readmeContent code {
  padding: 0.2em 0.4em;
  margin: 0;
  font-size: 85%;
  background-color: var(--md-code-bg);
  color: var(--md-code-text);
  border-radius: 6px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

#readmeContent pre {
  background-color: var(--md-code-bg);
  border: 1px solid var(--md-border);
  border-radius: 6px;
  font-size: 85%;
  line-height: 1.45;
  overflow: auto;
  padding: 16px;
  margin: 0 0 16px 0;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  color: var(--md-code-text);
  position: relative;
}

#readmeContent pre:hover .copy-button {
  opacity: 1;
}

#readmeContent .copy-button {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--md-code-bg);
  border: 1px solid var(--md-border);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

#readmeContent .copy-button:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

#readmeContent .copy-button.copied {
  color: #22863a;
  background: #dcffe4;
  border-color: #34d058;
}

#readmeContent pre code {
  background-color: transparent;
  border: 0;
  display: inline;
  line-height: inherit;
  margin: 0;
  overflow: visible;
  padding: 0;
  word-wrap: normal;
  font-size: 100%;
}

#readmeContent table {
  border-spacing: 0;
  border-collapse: collapse;
  display: block;
  width: max-content;
  max-width: 100%;
  overflow: auto;
  margin: 0 0 16px 0;
}

#readmeContent table th,
#readmeContent table td {
  padding: 6px 13px;
  border: 1px solid var(--md-table-border);
  text-align: left;
  color: var(--text-primary);
}

#readmeContent table th {
  font-weight: 600;
  background-color: var(--md-table-header-bg);
}

#readmeContent table tr {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--md-table-border);
}

#readmeContent table tr:nth-child(2n) {
  background-color: var(--md-table-row-even);
}

#readmeContent img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

#readmeContent a {
  color: var(--md-link);
  text-decoration: none;
}

#readmeContent a:hover {
  text-decoration: underline;
}

#readmeContent a:visited {
  color: var(--md-link-visited);
}

#readmeContent hr {
  height: 0.25em;
  padding: 0;
  margin: 24px 0;
  background-color: var(--md-hr);
  border: 0;
}

/* Math expressions */
#readmeContent .katex {
  font-size: 1em;
}

#readmeContent .katex-display {
  margin: 1em 0;
  text-align: center;
}

/* Code syntax highlighting improvements */
#readmeContent pre code.language-bash,
#readmeContent pre code.language-shell {
  color: #032f62;
}

#readmeContent pre code.language-javascript,
#readmeContent pre code.language-js {
  color: #d73a49;
}

#readmeContent pre code.language-python,
#readmeContent pre code.language-py {
  color: #22863a;
}

#readmeContent pre code.language-json {
  color: #6f42c1;
}

#readmeContent pre code.language-cir,
#readmeContent pre code.language-circuit {
  color: #e36209;
}

/* Responsive adjustments for markdown content */
@media (max-width: 768px) {
  #readmeContent {
    font-size: 14px;
  }
  
  #readmeContent h1 {
    font-size: 1.75em;
  }
  
  #readmeContent h2 {
    font-size: 1.5em;
  }
  
  #readmeContent h3 {
    font-size: 1.25em;
  }
  
  #readmeContent pre {
    padding: 12px;
    font-size: 12px;
  }
  
  #readmeContent table {
    font-size: 12px;
  }
  
  #readmeContent .copy-button {
    font-size: 10px;
    padding: 2px 6px;
  }
}

/* Print styles for better documentation printing */
@media print {
  .modal {
    position: static !important;
    background: none !important;
  }
  
  .modal-content {
    box-shadow: none !important;
    max-width: none !important;
    max-height: none !important;
    padding: 0 !important;
  }
  
  .modal-close {
    display: none !important;
  }
  
  #readmeContent .copy-button {
    display: none !important;
  }
  
  #readmeContent {
    font-size: 12pt;
    line-height: 1.4;
  }
  
  #readmeContent pre {
    background: #f8f8f8 !important;
    border: 1px solid #ddd !important;
  }
}

.modal-close {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 18px;
  background: none;
  border: none;
  color: #333;
}

footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  background: var(--footer-bg);
  border-top: 1px solid var(--footer-border);
  padding: 8px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 50px;
}

#challengesPanel {
  display: flex;
  gap: 8px;
  align-items: center;
}

#challengesPanel button:not(#checkSolutionBtn) {
  background: var(--button-bg);
  border: 1px solid var(--button-border);
  border-radius: 4px;
  padding: 4px 10px;
  color: var(--text-primary);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

#challengesPanel button:not(#checkSolutionBtn).active {
  background: var(--button-active-bg);
  border-color: var(--button-active-border);
}

#challengesPanel button:not(#checkSolutionBtn) {
  background: var(--button-bg);
  border: 1px solid var(--button-border);
  border-radius: 4px;
  padding: 4px 10px;
  color: var(--text-primary);
}

#challengesPanel button:not(#checkSolutionBtn).active {
  background: var(--button-active-bg);
  border-color: var(--button-active-border);
}


#challengesPanel #checkSolutionBtn,
#checkSolutionBtn {
  background: linear-gradient(90deg, #f0b832 60%, #d39e00 100%) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 5px !important;
  padding: 4px 22px 4px 16px !important;
  font-weight: bold !important;
  margin-left: 20px !important;
  font-size: 1.05em !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
  transition: background 0.2s !important;
  cursor: pointer !important;
}

#challengesPanel #checkSolutionBtn:hover,
#checkSolutionBtn:hover {
  background: linear-gradient(90deg, #e6a82d 60%, #bf8d00 100%) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

/* Dark mode support for Check Solution button */
[data-theme="dark"] #challengesPanel #checkSolutionBtn,
[data-theme="dark"] #checkSolutionBtn {
  background: linear-gradient(90deg, #f4a125 60%, #cc8500 100%) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3) !important;
}

[data-theme="dark"] #challengesPanel #checkSolutionBtn:hover,
[data-theme="dark"] #checkSolutionBtn:hover {
  background: linear-gradient(90deg, #e6971f 60%, #b37700 100%) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4) !important;
}

/* Auto dark mode support for Check Solution button */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) #challengesPanel #checkSolutionBtn,
  :root:not([data-theme="light"]) #checkSolutionBtn {
    background: linear-gradient(90deg, #f4a125 60%, #cc8500 100%) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3) !important;
  }

  :root:not([data-theme="light"]) #challengesPanel #checkSolutionBtn:hover,
  :root:not([data-theme="light"]) #checkSolutionBtn:hover {
    background: linear-gradient(90deg, #e6971f 60%, #b37700 100%) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4) !important;
  }
}

@media (max-width: 768px) {
  header {
    padding: 6px 12px;
    font-size: 16px;
  }

  body {
    padding: 4px 4px 55px;
    gap: 4px;
  }

  .inputs-panel {
    flex-direction: column;
    gap: 8px;
    align-items: stretch;
  }

  .inputs-panel input {
    padding: 8px;
    font-size: 16px;
    /* Prevents iOS zoom */
  }

  #runBtn {
    padding: 12px 20px;
    font-size: 16px;
    margin: 4px 0 0 0;
  }

  .resizer {
    height: 12px;
    user-select: none;
  }

  .resizer::after {
    width: 50px;
    height: 3px;
  }

  .CodeMirror {
    font-size: 14px;
    line-height: 1.4;
  }

  #outputs {
    font-size: 12px;
    padding: 8px;
  }

  footer {
    padding: 6px 12px;
    height: 55px;
    flex-direction: column;
    gap: 4px;
  }

  #challengesPanel {
    flex-wrap: wrap;
    gap: 4px;
    justify-content: center;
  }

  #challengesPanel button:not(#checkSolutionBtn) {
    padding: 6px 12px;
    font-size: 12px;
  }

  #checkSolutionBtn {
    margin-left: 0 !important;
    padding: 8px 16px !important;
  }

  .modal-content {
    margin: 20px;
    max-width: calc(100vw - 40px);
    max-height: calc(100vh - 40px);
  }

  button {
    min-height: 44px;
    touch-action: manipulation;
  }
}

@media (max-width: 480px) {
  header {
    font-size: 14px;
    padding: 4px 8px;
  }

  body {
    padding: 2px 2px 60px;
    gap: 2px;
  }

  .CodeMirror {
    font-size: 12px;
  }

  .inputs-panel {
    padding: 6px;
  }

  .inputs-panel input {
    padding: 10px;
  }

  #runBtn {
    padding: 14px 24px;
    font-size: 14px;
  }

  footer {
    height: 60px;
    padding: 4px 8px;
  }

  #challengesPanel button:not(#checkSolutionBtn) {
    padding: 8px 12px;
    font-size: 11px;
  }
}

/* FINAL OVERRIDE: Ensure Check Solution button always shows golden gradient */
footer #challengesPanel #checkSolutionBtn,
#challengesPanel #checkSolutionBtn,
#checkSolutionBtn {
  background: linear-gradient(90deg, #f0b832 60%, #d39e00 100%) !important;
  border: none !important;
  color: #fff !important;
}

footer #challengesPanel #checkSolutionBtn:hover,
#challengesPanel #checkSolutionBtn:hover,
#checkSolutionBtn:hover {
  background: linear-gradient(90deg, #e6a82d 60%, #bf8d00 100%) !important;
}