.co-coupon-choice {
  display: flex;
  align-items: stretch;
  gap: 8px;
  margin: 14px 0 10px;
  min-width: 0;
}
.co-coupon-select:disabled { background:#f6f6f6; color:#777; cursor:not-allowed; }

.co-coupon-select {
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
}

.co-coupon-clear {
  flex: 0 0 auto;
  padding: 0 14px;
  border: 1px solid var(--text);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
}

.co-coupon-clear[hidden] { display: none; }
.co-coupon-code { display: flex; gap: 8px; min-width: 0; }
.co-coupon-code input {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
}
.co-coupon-code button {
  flex: 0 0 auto;
  padding: 0 18px;
  border: 1px solid var(--text);
  border-radius: 10px;
  background: var(--text);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}
.co-coupon-msg { margin: 8px 0 0; font-size: 13px; }
.co-coupon-msg.ok { color: #4a4a4a; }
.co-coupon-msg.err { color: #4a4a4a; }
.co-discount-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  color: #4a4a4a;
  font-size: 14px;
}
.co-discount-row strong { font-weight: 700; }