.main {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-success: #16a34a;
  --color-warning: #ca8a04;
  --color-error: #dc2626;
  --color-border: #e5e7eb;
  --color-bg-subtle: #f9fafb;

  width: 100%;
  max-width: 800px;
  padding: 1rem;
  margin: 0 auto;
}

@media (prefers-color-scheme: dark) {
  .main {
    --color-border: #374151;
    --color-bg-subtle: #1f2937;
  }
}

/* Section styling */
.section {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
}

.collapsible .section-header {
  cursor: pointer;
  user-select: none;
}

.collapsible .section-header:hover {
  background: var(--color-border);
}

.toggle-icon {
  transition: transform 0.2s;
}

.collapsed .toggle-icon {
  transform: rotate(-90deg);
}

.collapsed .section-content {
  display: none;
}

.section-content {
  padding: 1rem;
}

.header-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* Event log */
.event-log {
  max-height: 200px;
  overflow-y: auto;
  padding: 0.5rem;
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  background: var(--color-bg-subtle);
}

.log-entry {
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
}

.log-entry:hover {
  background: var(--color-bg-hover, rgba(0, 0, 0, 0.03));
}

.log-entry:last-child {
  border-bottom: none;
}

.log-entry-header {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.log-toggle {
  color: #9ca3af;
  font-size: 0.7rem;
  width: 1rem;
  transition: transform 0.15s ease;
  user-select: none;
}

.log-entry.expanded .log-toggle {
  transform: rotate(90deg);
}

.log-time {
  color: #6b7280;
  margin-right: 0.5rem;
}

.log-type {
  font-weight: 600;
  margin-right: 0.5rem;
}

.log-type.ontoolinput { color: var(--color-primary); }
.log-type.ontoolinputpartial { color: #8b5cf6; }
.log-type.ontoolresult { color: var(--color-success); }
.log-type.ontoolcancelled { color: var(--color-warning); }
.log-type.onhostcontextchanged { color: #7c3aed; }
.log-type.onteardown { color: #f97316; }
.log-type.oncalltool { color: #ec4899; }
.log-type.onlisttools { color: #14b8a6; }
.log-type.onerror { color: var(--color-error); }
.log-type.connected { color: var(--color-success); }
.log-type.update-context { color: #0891b2; }

.log-payload-preview {
  color: #6b7280;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.log-payload-full {
  display: none;
  margin: 0.5rem 0 0.25rem 1.25rem;
  padding: 0.5rem;
  background: var(--color-bg-subtle, #f3f4f6);
  border-radius: 4px;
  font-size: 0.8rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 300px;
  overflow-y: auto;
}

.log-entry.expanded .log-payload-full {
  display: block;
}

/* Info grid */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.info-group h3 {
  margin: 0 0 0.5rem 0;
  font-size: 0.9rem;
  color: #6b7280;
}

.info-group dl {
  margin: 0;
  font-size: 0.85rem;
}

.info-group dt {
  font-weight: 600;
  color: #374151;
}

.info-group dd {
  margin: 0 0 0.5rem 0;
  color: #6b7280;
}

@media (prefers-color-scheme: dark) {
  .info-group dt { color: #d1d5db; }
  .info-group dd { color: #9ca3af; }
}

.styles-sample {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.style-swatch {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: white;
  text-shadow: 0 0 2px black;
}

/* Callback table */
.callback-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.callback-table th,
.callback-table td {
  padding: 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.callback-table th {
  background: var(--color-bg-subtle);
  font-weight: 600;
}

.callback-table .registered-yes {
  color: var(--color-success);
}

.callback-table .registered-no {
  color: #9ca3af;
}

.callback-table .payload-preview {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
}

.callback-table .payload-preview:hover {
  white-space: normal;
  word-break: break-all;
}

/* Action groups */
.action-group {
  margin-bottom: 1.5rem;
}

.action-group:last-child {
  margin-bottom: 0;
}

.action-group h3 {
  margin: 0 0 0.75rem 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: #374151;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.25rem;
}

@media (prefers-color-scheme: dark) {
  .action-group h3 { color: #d1d5db; }
}

.action-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.action-row:last-child {
  margin-bottom: 0;
}

.action-row input[type="text"],
.action-row input[type="url"],
.action-row input[type="number"] {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: transparent;
}

.action-row input[type="file"] {
  flex: 1;
}

.action-row button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 4px;
  background: var(--color-primary);
  color: white;
  font-weight: 500;
}

.action-row button:hover {
  background: var(--color-primary-hover);
}

.btn-row {
  flex-wrap: wrap;
}

.btn-small {
  padding: 0.375rem 0.75rem !important;
  font-size: 0.85rem;
}

/* Tool config */
.tool-config {
  background: var(--color-bg-subtle);
  padding: 0.75rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.config-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.config-row:last-child {
  margin-bottom: 0;
}

.config-row label {
  min-width: 120px;
  font-size: 0.85rem;
}

.config-row select,
.config-row input[type="number"] {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: transparent;
}

/* Filter select */
#log-filter {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: transparent;
  font-size: 0.85rem;
}