body {
  margin: 0;
  font-family: monospace;
  display: flex;
  flex-direction: column;
  height: 100vh;
  transition: background 0.3s, color 0.3s;
}


/* Controls: Buttons + Selects */
#controls {
  margin: 10px;
  display: flex;
  gap: 6px;
  align-items: center;
}

#mode-select, #task-select {
  padding: 4px 6px;
  z-index: 10;
  width: 6em;
}
#task-select {
  width: 15em;
}


button {
  padding: 4px 8px;
  font-size: 0.9em;
  cursor: pointer;
}

/* Vertikale Trennlinie */
.divider {
  border-left: 1px solid #888;
  height: 24px; /* Höhe der Buttons */
  margin: 0 6px;
}

/* Container für Editor und Preview */
#main-container {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0 6px 6px 6px;
  gap: 6px;
}

/* Editorbereich */
#editor-container {
  display: flex;
  flex-direction: column;
  border: 2px solid #444;
}

/* Wrapper */
#editor-wrapper {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* Zeilennummern */
#line-numbers {
  background: #eee;
  color: #555;
  text-align: right;
  user-select: none;
  border-right: 1px solid #ccc;
  white-space: pre;
  padding-top: 10px;
  padding-left: 6px;
  padding-right: 6px;

  font-size: 14px;
  line-height: 1.4;
  overflow: hidden;
  transition: background 0.3s, color 0.3s;
}

/* Editor */
#editor {
  flex: 1;
  padding: 10px;
  font-size: 14px;
  font-family: monospace;
  border: none;
  outline: none;
  resize: none;
  line-height: 1.4;
  overflow: auto;
  transition: background 0.3s, color 0.3s;
}

/* Fehleranzeige */
#error {
  background: #300;
  color: #ffb3b3;
  padding: 6px;
  font-size: 13px;
  min-height: 20px;
  transition: background 0.3s, color 0.3s;
}

/* Vorschau */
iframe {
  background: #fff;
  color: #000;
  border: 2px solid #444;
  width: 100%;
  height: 100%;
  transition: background 0.3s, color 0.3s;
}

/* ===========================
   Dark Mode Farben
   =========================== */

:root {
  --dark-bg: #001a00;              /* Grundfarbe */
  --dark-bg-light: #002600;        /* hellerer Hintergrund */
  --dark-element: #003300;         /* Buttons / Selects */
  --dark-element-hover: #005500;   /* Hover */
  
  --dark-text: #c8ffc8;            /* Hauptschrift */
  --dark-text-muted: #66cc66;      /* schwächere Schrift */
  
  --dark-border: #336633;          /* Rahmen */
  --dark-border-light: #555555;    /* helle Rahmen */
  
  --dark-error-bg: #330000;        /* Fehler Hintergrund */
  --dark-error-text: #ff9999;      /* Fehler Schrift */
  
  --dark-disabled-bg: #002000;
  --dark-disabled-text: #669966;
}


/* ===========================
   Dark Mode
   =========================== */

body.dark-mode {
  background: var(--dark-bg);
  color: var(--dark-text);
}


body.dark-mode #editor-container {
  border-color: var(--dark-border-light);
}


body.dark-mode #line-numbers {
  background: var(--dark-bg-light);
  color: var(--dark-text-muted);
  border-right: 1px solid var(--dark-border);
}


body.dark-mode #editor {
  background: var(--dark-bg);
  color: var(--dark-text);
}


body.dark-mode #error {
  background: var(--dark-error-bg);
  color: var(--dark-error-text);
}


/* ===========================
   Bedienelemente
   =========================== */

body.dark-mode button {
  background: var(--dark-element);
  color: var(--dark-text);
  border: 1px solid var(--dark-border);
  border-radius: 4px;
}


body.dark-mode button:hover {
  background: var(--dark-element-hover);
  color: white;
}


body.dark-mode button:disabled {
  background: var(--dark-disabled-bg);
  color: var(--dark-disabled-text);
  border-color: var(--dark-border);
}


body.dark-mode select {
  background: var(--dark-element);
  color: var(--dark-text);
  border: 1px solid var(--dark-border);
  border-radius: 4px;
}


body.dark-mode input {
  background: var(--dark-element);
  color: var(--dark-text);
  border: 1px solid var(--dark-border);
}


/* Trennlinien */
body.dark-mode .divider {
  border-color: var(--dark-border);
}


/* Dark Mode 
body.dark-mode {
  background: #001a00;
  color: #c8ffc8;
}

body.dark-mode #editor-container {
  border-color: #888;
}

body.dark-mode #line-numbers {
  background: #2b2b2b;
  color: #aaa;
  border-right: 1px solid #555;
}

body.dark-mode #editor {
  background: #1e1e1e;
  color: #ccc;
}

body.dark-mode #error {
  background: #400;
  color: #ff9999;
}

/* Dark Mode für Bedienelemente 

body.dark-mode button {
  background: #333;
  color: #eee;
  border: 1px solid #666;
  border-radius: 4px;
}

body.dark-mode button:hover {
  background: #555;
  color: white;
}

body.dark-mode button:disabled {
  background: #222;
  color: #777;
  border-color: #444;
}


body.dark-mode select {
  background: #333;
  color: #eee;
  border: 1px solid #666;
  border-radius: 4px;
}


body.dark-mode input {
  background: #333;
  color: #eee;
  border: 1px solid #666;
}*/