:root {
  --bg: #f8fafc;
  --text: #111;
  --card: #ffffff;
  --primary: #2563eb;
}

[data-theme="dark"] {
  --bg: #0f172a;
  --text: #e2e8f0;
  --card: #1e293b;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: 0.3s;
}

/* HEADER */
.header {
  display: flex;
  justify-content: space-between;
  padding: 15px 20px;
  background: var(--card);
  border-bottom: 1px solid #ddd;
}

/* LAYOUT */
.container {
  display: flex;
  height: calc(100vh - 60px);
}

/* SIDEBAR */
.sidebar {
  width: 240px;
  background: var(--card);
  padding: 15px;
  border-right: 1px solid #ddd;
}

.sidebar h3 {
  margin-top: 10px;
}

.sidebar a {
  display: block;
  padding: 10px;
  margin: 5px 0;
  border-radius: 6px;
  text-decoration: none;
  color: var(--text);
}

.sidebar a:hover {
  background: #e2e8f0;
}

.sidebar a.active {
  background: var(--primary);
  color: #fff;
}

/* MAIN */
.main {
  flex: 1;
  padding: 20px;
}

/* CARD */
.card {
  background: var(--card);
  padding: 15px;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

/* TOOLBAR */
.toolbar {
  margin-bottom: 10px;
}

.toolbar button {
  padding: 8px 12px;
  margin-right: 5px;
  border: none;
  background: var(--primary);
  color: #fff;
  border-radius: 6px;
  cursor: pointer;
}

.toolbar button:hover {
  opacity: 0.9;
}

/* EDITORS */
.editor-container {
  display: flex;
  gap: 10px;
}

textarea {
  width: 100%;
  height: 400px;
  resize: none;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-family: monospace;
  font-size: 14px;
  background: #1e1e1e;
  color: #d4d4d4;
}
.footer {
  text-align: center;
  padding: 15px;
  background: var(--card);
  border-top: 1px solid #ddd;
}
.footer a {
  color: var(--text);
  text-decoration: none;
  margin: 0 5px;
  font-size: small;
}
.footer p {
  font-size: small;
}