.btn-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  transition: border-color 160ms ease, background 160ms ease, transform 120ms ease;
  font-size: 14px;
}

.btn:hover {
  border-color: var(--line-strong);
  background: var(--panel-soft);
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  color: white;
  border-color: var(--accent);
  background: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.btn-ghost {
  background: rgba(14, 116, 144, 0.08);
  color: var(--accent-strong);
  border-color: rgba(14, 116, 144, 0.12);
}

.btn-muted {
  color: var(--muted);
}

.btn-danger {
  color: var(--danger);
  background: rgba(192, 57, 43, 0.06);
  border-color: rgba(192, 57, 43, 0.12);
}

.btn-danger:hover {
  background: rgba(192, 57, 43, 0.12);
  border-color: rgba(192, 57, 43, 0.24);
}

.btn-small {
  min-height: 32px;
  padding: 0 10px;
  border-radius: 8px;
  font-size: 13px;
}

.toolbar-btn {
  min-width: 80px;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  font-size: 14px;
  font-weight: 600;
}

.toolbar-btn-active {
  background: var(--bg);
  border-color: var(--line-strong);
}

.toolbar-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 8px;
  background: rgba(14, 116, 144, 0.08);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 600;
}

.icon {
  width: 16px;
  height: 16px;
  display: inline-flex;
}

.icon svg {
  width: 100%;
  height: 100%;
}

.header-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 33.6px;
  height: 33.6px;
  padding: 0;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font-size: 15px;
  cursor: pointer;
  transition: all 160ms ease;
}

.header-icon-btn:hover {
  background: var(--hover-bg);
}

.header-theme-btn .icon:first-child {
  display: inline-flex;
}

.header-theme-btn .icon:last-child {
  display: none;
}

[data-theme="dark"] .header-theme-btn .icon:first-child {
  display: none;
}

[data-theme="dark"] .header-theme-btn .icon:last-child {
  display: inline-flex;
}