:root {
  --bg:         #1e1e1e;
  --panel:      #252526;
  --panel-alt:  #2d2d30;
  --border:     #3e3e42;
  --text:       #d4d4d4;
  --muted:      #858585;
  --accent:     #3178C6;
  --accent-hover:#4b8fd4;
  --output-bg:  #1e1e1e;
  --output-text:#cccccc;
  --error:      #f48771;
  --success:    #89d185;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}
.box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}


.container {
  display: flex;
  height: calc(100% - 40px);
}

.box {
  padding: 20px;
  overflow-y: auto;
}

.text-box {
  background: var(--panel-alt);
  flex: 0 0 35%;
  border-right: 1px solid var(--border);
}

.code-box {
  background: var(--panel);
  flex: 1;
}

h1 {
  color: var(--text);
  margin: 0 0 16px 0;
  font-size: 24px;
  font-weight: 600;
}

h3 {
  color: var(--text);
  margin: 20px 0 12px 0;
  font-size: 16px;
  font-weight: 600;
}

p {
  margin: 8px 0;
  color: var(--muted);
}

ul {
  margin: 8px 0;
  padding-left: 20px;
}

li {
  margin: 6px 0;
  color: var(--text);
}

code {
  background: var(--panel);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 13px;
  color: var(--accent);
}

details {
  margin: 16px 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px;
  background: var(--panel);
}

summary {
  cursor: pointer;
  font-weight: 500;
  padding: 4px;
  user-select: none;
}

summary:hover {
  color: var(--accent);
}

pre {
  background: var(--bg);
  padding: 12px;
  border-radius: 4px;
  margin: 8px 0;
  overflow-x: auto;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 13px;
  line-height: 1.4;
}

button {
  background: var(--accent);
  border: none;
  color: white;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 2px;
  cursor: pointer;
  margin-right: 8px;
  margin-bottom: 8px;
  transition: background 0.15s;
}

button:hover {
  background: var(--accent-hover);
}

button:active {
  transform: translateY(1px);
}

#editor {
  border: 1px solid var(--border);
  height: 400px;
  margin-bottom: 12px;
}

#output {
  background: var(--output-bg);
  border: 1px solid var(--border);
  padding: 16px;
  min-height: 200px;
  max-height: 400px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 13px;
  line-height: 1.6;
  color: var(--output-text);
}

#output.error {
  color: var(--error);
}

#output.success {
  color: var(--success);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: #4e4e50;
}

/* Top bar */
body > p {
  background: var(--panel-alt);
  border-bottom: 1px solid var(--border);
  margin: 0;
  padding: 12px 20px;
  color: var(--muted);
  font-size: 13px;
}
.hint {
  margin-top: 8px;
  border: 1px solid #3a3f4b;
  border-radius: 4px;
  background: #2a2d37;
}

.hint-toggle {
  width: 100%;
  text-align: left;
  padding: 6px 8px;
  border: none;
  background: #333744;
  color: #c7cbd4;
  font: inherit;
  cursor: pointer;
}

.hint-toggle:hover {
  background: #3a3f4b;
}

.hint-body {
  display: none;
  padding: 8px;
  border-top: 1px solid #3a3f4b;
}

.hint.open .hint-body {
  display: block;
}


.ans {
  margin: 0 auto;
  text-align: center;
  width: fit-content;
  height: 30px;
  border-radius: 20px;
  background: var(--accent);
  border: none;
  color: #fff;
  font: inherit;
  cursor: pointer;
}

.ans:hover {
  background-color: var(--accent-hover);
}
.editor {
  width: 100%;
  height: 300px;
  background-color: #1e1e1e; /* Match VS Code Dark */
  color: #d4d4d4;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 14px;
  padding: 15px;
  border: 1px solid #333;
  border-radius: 4px;
  resize: vertical; /* Only allow vertical resizing */
  outline: none; /* Removes the blue focus outline */
  line-height: 1.5;
  tab-size: 4; /* Ensures tabs aren't massive */
}

.editor:focus {
  border-color: #007acc; /* Subtle blue border on focus */
}table {
  border-collapse: collapse;
  margin: 25px 0;
  font-size: 0.9em;
  font-family: sans-serif;
  min-width: 400px;
  background-color: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
}
table thead tr {
  background-color: var(--accent);
  color: #ffffff;
  text-align: left;
}
table th, table td {
  padding: 12px 15px;
  border-bottom: 1px solid var(--border);
}
table tbody tr {
  border-bottom: 1px solid var(--border);
}
table tbody tr:nth-of-type(even) {
  background-color: var(--panel-alt);
}

blockquote {
    background-color: var(--panel);
    border-left: 4px solid var(--accent);
    color: var(--output-text);
    margin: 1.5em 0;
    padding: 1em 1.5em;
    border-radius: 0 10px 10px 0;
    font-size: 1.1em;
    line-height: 1.6;
}