/* dashboard/assets/css/app.css */
html, body {
  margin: 0;
  padding: 0;  
  background-color: #000;
  color: #eee;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-size: 13px;
  line-height: 1.35;
}

h2 { font-size: 16px; margin: 0 0 8px 0; }
h3 { font-size: 15px; margin: 0 0 8px 0; }
h4 { font-size: 14px; margin: 0 0 8px 0; }
p, li { margin: 0 0 6px 0; }
ul { margin: 0 0 8px 18px; padding: 0; }

button {
  cursor: pointer;
  padding: 6px 8px;
  border: 1px solid #666;
  background: #222;
  color: #eee;
  font-size: 13px;
}

button:hover {
  background: #444;
}


.app {
  padding: 12px;
}

.app_header {
  margin-bottom: 12px;
}

.app_nav {
  display: flex;
  gap: 8px;
}

.nav_link {
  display: inline-block;
  padding: 8px 10px;
  border: 1px solid #333;
  text-decoration: none;
  color: #111;
}

.nav_link.is_active {
  background: #111;
  color: #fff;
}

.app_nav .nav_link {
  border-color: #888;
  color: #eee;
}

.nav_link.is_active {
  background: #eee;
  color: #000;
}

/* side-by-side play layout */
/* assets/css/app.css */

/* existing styles you already have can remain above */

/* divider for black background */
.section_divider {
  border: 0;
  border-top: 1px solid #444;
  margin: 16px 0;
}

/* existing top layout */
.play_layout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.play_left,
.play_mid,
.play_right {
  width: fit-content;
}

/* new modules row */
.submodules_layout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.submodules_item {
  width: fit-content;
}