.ivd-wrapper {
  max-width: 420px;
  margin: 2rem auto;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif
}

.ivd-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f7f7f7;
  padding: 12px 16px;
  border-bottom: 1px solid #eee
}

.ivd-title {
  font-weight: 600
}

.ivd-toggle {
  padding: 12px 16px;
  border-bottom: 1px solid #eee
}

.ivd-tab {
  border: 1px solid #ccc;
  background: #fff;
  color: #333;
  border-radius: 6px;
  padding: 6px 10px;
  margin-right: 8px;
  cursor: pointer
}

.ivd-body {
  padding: 16px
}

.ivd-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 14px
}

.ivd-amount {
  font-size: 1.5em;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 12px;
  background: #fafafa;
  cursor: pointer;
  font-weight: 600
}

.ivd-amount.active {
  border-color: #8b0000;
  background: #8b0000;
  color: #fff
}

.ivd-amount:hover {
  background: #8b0000;
  color: #fff;
  border-color: #8b0000
}

/* custom input removed */
.ivd-comment {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 0
}

.ivd-comment-text {
  width: 100%;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 8px;
  margin: 8px 0
}

.ivd-next {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  font-size: 1.4em;
  width: 100%;
  border: 0;
  color: #fff;
  padding: 12px 16px;
  font-weight: 600;
  cursor: pointer
}

.ivd-brand {
  margin-top: 10px;
  text-align: center;
  color: #999
}