body {
  margin: 0;
  font-family: sans-serif;
  background: #f5f5f5;
  color: #222;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px;
}

h1 {
  margin-bottom: 8px;
}

.subtitle {
  margin-top: 0;
  margin-bottom: 20px;
  color: #666;
}

#generateBtn {
  padding: 12px 18px;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
}

.card {
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  margin-top: 16px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.copyBtn {
  margin-top: 10px;
  padding: 8px 12px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}

.partsRow {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 16px;
}

.partBtn {
  padding: 10px 14px;
  border: 0;
  border-radius: 10px;
  background: #ececec;
  color: #666;
  font-weight: 700;
  cursor: pointer;
}

.partBtnMain {
  opacity: 0.7;
  cursor: default;
}

.partBtn.is-active {
  background: #d9d9d9;
  color: #222;
}

.postText {
  white-space: pre-wrap;
  line-height: 1.8;
}

.partBtn.is-active {
  background: #222;
  color: #fff;
}

.editArea {
  margin: 16px 0;
}

.editBlock {
  margin-bottom: 10px;
}

.editRow {
  display: flex;
  gap: 8px;
}

.editRow input {
  flex: 1;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.editRow button {
  padding: 8px 10px;
  border: 0;
  border-radius: 6px;
  background: #eee;
  cursor: pointer;
}

.slotRow {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 16px;
}

.slotBtn {
  padding: 10px 14px;
  border: 0;
  border-radius: 10px;
  background: #ececec;
  color: #666;
  font-weight: 700;
  cursor: pointer;
}

.slotBtn.is-active {
  background: #222;
  color: #fff;
}

.platformRow {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 16px;
}

.platformBtn {
  padding: 10px 14px;
  border: 0;
  border-radius: 10px;
  background: #ececec;
  color: #666;
  font-weight: 700;
  cursor: pointer;
}

.platformBtn.is-active {
  background: #222;
  color: #fff;
}