body { font-family: Arial, sans-serif; margin: 2rem; background: #f4f4f9; color: #333; }
header { text-align: center; margin-bottom: 2rem; }
h1 { color: #2c3e50; }
pre { background: #2d2d2d; color: #f8f8f2; padding: 1rem; border-radius: 5px; overflow-x: auto; }
textarea { width: 100%; height: 200px; font-family: monospace; font-size: 1rem; }
button { margin-top: 1rem; padding: 0.5rem 1rem; font-size: 1rem; }
#output { margin-top: 1rem; white-space: pre-wrap; background: #e8e8e8; padding: 1rem; border-radius: 5px; min-height: 100px; }
#main-wrap { display: flex; gap: 2rem; }
#playground { flex: 2; }
#sidebar { flex: 1; background: #fff; border-radius: 8px; box-shadow: 0 2px 8px #0001; padding: 1rem; min-width: 270px; }
#sidebar h2 { font-size: 1.2rem; margin-bottom: 0.5rem; }
#sidebar input, #sidebar button { width: 100%; margin-top: 0.5rem; }

.currency-amount { width: 70px; display: inline-block; }
.currency-from { width: 60px; display: inline-block; }
.currency-to { width: 60px; display: inline-block; }
.translate-lang { width: 80px; display: inline-block; }
#sidebar .docs { font-size: 0.95rem; background: #f3f3f3; border-radius: 5px; padding: 0.5rem; margin-top: 1rem; }
#feedback { color: #b00; font-size: 0.97rem; }
#suggestions { color: #0a0; font-size: 0.97rem; }
#collaborators { color: #333; font-size: 0.97rem; margin: 0.5rem 0; }
#output { background: #e8e8ff; }
.collapsible-panel {
  background: #f0f7ff;
  border-radius: 7px;
  margin-bottom: 1rem;
  padding: 0.5rem 0.7rem 0.7rem 0.7rem;
  box-shadow: 0 1px 4px #0001;
  position: relative;
}
#primora_thoughts {
  background: transparent;
  min-height: 60px;
  padding: 0.5rem;
  border-radius: 5px;
  font-size: 1.02rem;
  margin-bottom: 0.3rem;
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  border: none;
  background: #e3eafc;
  color: #1a237e;
  font-weight: 500;
  border-radius: 5px;
  padding: 0.4em 0.8em;
  margin: 0.2em 0.2em 0.2em 0;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}
.icon-btn:hover {
  background: #c5cae9;
  box-shadow: 0 2px 8px #0002;
}
#collapse_icon {
  font-size: 1.1em;
}
#primora_thoughts_panel.collapsed #primora_thoughts {
  display: none;
}
#primora_thoughts_panel.collapsed .icon-btn[title="Collapse"] span {
  transform: rotate(180deg);
}

#universal_result {
  background: #f9fbe7;
  min-height: 40px;
  padding: 0.5rem;
  border-radius: 5px;
}
.sidebar-section {
  margin-bottom: 0.7rem;
  background: #f8fafd;
  border-radius: 5px;
  padding: 0.5em 0.4em 0.4em 0.4em;
  box-shadow: 0 1px 4px #0001;
}
.sidebar-input {
  width: 65%;
  border: 1px solid #c5cae9;
  border-radius: 4px;
  padding: 0.3em 0.5em;
  font-size: 1em;
  margin-bottom: 0.2em;
  margin-right: 0.2em;
}

#explanation { background: #f9fbe7; margin-top: 0.7rem; padding: 0.5rem; border-radius: 5px; }
#refactored { background: #f3f3f3; margin-top: 0.7rem; padding: 0.5rem; border-radius: 5px; font-family: monospace; }