body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #202225;
  color: #dcddde;
  overflow-x: hidden;
}

.app {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.topbar-controls {
  display: flex;
  gap: 10px;
}


.layout {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.sidebar {
  background: #2f3136;
  border-radius: 8px;
  padding: 15px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  max-height: 80vh;
  flex: 0 0 auto;
  width: auto;
  max-width: 100%;
  overflow-x: hidden;
}

.sidebar ul {
  flex: 1;
  overflow-y: auto;
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.panel {
  background: #2f3136;
  border-radius: 8px;
  padding: 15px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.panel h2 {
  margin-top: 0;
  font-size: 1rem;
  color: #fff;
}

.scroll-panel {
  display: flex;
  flex-direction: column;
  max-height: 60vh;
}

.scroll-panel ul {
  flex: 1;
  overflow-y: auto;
}

.form-row {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}

.form-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 10px;
}

input,
select,
button {
  padding: 8px;
  border-radius: 4px;
  border: 1px solid #202225;
  background: #40444b;
  color: #dcddde;
}

textarea {
  padding: 8px;
  border-radius: 4px;
  border: 1px solid #202225;
  background: #40444b;
  color: #dcddde;
  resize: vertical;
}

input[type="color"] {
  padding: 0;
  height: 40px;
  width: 100%;
  cursor: pointer;
}

#message-input {
  min-height: 80px;
}

button {
  cursor: pointer;
  background: #5865f2;
  border: none;
  transition: background 0.2s;
}

button:hover {
  background: #4752c4;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.channel-item,
.role-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px;
  border-radius: 4px;
}

.channel-item:hover,
.role-item:hover {
  background: #36393f;
}

.channel-item.selectable {
  cursor: pointer;
}

.channel-item.selected {
  background: #5865f2;
}

.channel-type {
  font-size: 0.7rem;
  background: #4f545c;
  color: #dcddde;
  padding: 2px 4px;
  border-radius: 4px;
  flex: none;
}

.channel-name,
.role-name {
  flex: 1;
  font-weight: 500;
}

.channel-id,
.role-id,
.category-id {
  font-size: 0.7rem;
  color: #b9bbbe;
  font-family: monospace;
}

.category {
  margin-bottom: 4px;
}

.category > summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
}

.category > summary:hover {
  background: #36393f;
}

.category > summary::-webkit-details-marker {
  display: none;
}

.category > summary::before {
  content: '▸';
  margin-right: 4px;
}

.category[open] > summary::before {
  content: '▾';
}

.category-name {
  flex: 1;
  font-weight: 500;
}

.category ul {
  margin: 4px 0 4px 16px;
  padding: 0;
}

.role-color {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  border: 1px solid #202225;
}

.role-icon {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

#status {
  min-height: 1.2em;
  font-size: 0.85rem;
}

#embed-status {
  min-height: 1.2em;
  font-size: 0.85rem;
}

#ping-result {
  align-self: center;
  font-size: 0.85rem;
  margin-left: 6px;
}

.tabs {
  display: flex;
  gap: 10px;
}

.tab {
  background: #2f3136;
  border: none;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  color: #dcddde;
}

.tab.active {
  background: #5865f2;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

@media (max-width: 600px) {
  .app {
    padding: 10px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .layout {
    flex-direction: column;
  }

}