.sstt_main_area {
  display: flex;
  justify-content: space-between;
  max-width: 1000px;
  width: 90%;
  box-sizing: border-box;
  margin-top: 25px;
}
.sstt_common {
  background: #fff;
  border-radius: 5px;
  border: 1px solid #ddd;
  padding: 20px 25px;
}
.sstt_body_area {
  flex-basis: 70%;
  margin-right: 5%;
}
.sstt_sidebar_area {
  flex-basis: 25%;
}
.sstt_sidebar_area .btn {
  background: #fd0000;
  color: #fff;
  display: inline-block;
  padding: 10px 35px;
  border-radius: 5px;
  text-decoration: none;
  transition: 0.5s;
}
.sstt_sidebar_area .btn:hover {
  background: #c23616;
}
.sstt_main_area h3#title {
  display: block;
  font-weight: bold;
  font-size: 25px;
  padding: 10px;
  padding-left: 0;
  margin-bottom: 20px;
  margin-top: 5px;
}
.sstt_main_area h5#title {
  display: block;
  font-weight: bold;
  font-size: 18px;
  padding: 10px;
  border-left: 5px solid #fd0000;
  margin-bottom: 20px;
  margin-top: 5px;
}
.sstt_main_area label {
  display: block;
  font-weight: bold;
  font-size: 18px;
  margin-bottom: 5px;
  clear: both;
}

.sstt_main_area small {
  color: #636e72;
  clear: both;
  display: block;
  font-weight: bold;
  font-size: 12px;
  margin-bottom: 15px;
}

.sstt_main_area input,
.sstt_main_area select {
  clear: both;
  display: block;
  font-weight: bold;
  font-size: 14px;
  margin-bottom: 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  box-shadow: 0 0 10px #ddd;
  width: 90%;
  padding: 15px;
}
.sstt_main_area select {
  margin-top: 10px;
  padding: 10px 15px;
}
.sstt_main_area label.radios {
  display: flex;
  margin: 20px 0 5px;
}
.sstt_main_area label.radios span {
  margin-top: -3px;
}
.sstt_main_area input[type='radio'] {
  padding: 2px !important;
  cursor: pointer;
  width: 20px;
  height: 20px;
  border-radius: 25px;
  margin-bottom: 0;
  margin-right: 15px;
}
.sstt_main_area input[type='color'] {
  padding: 5px;
  cursor: pointer;
  width: 100px;
  height: 70px;
}
.sstt_main_area input[type='submit'] {
  background: #bd5fff;
  border: 1px solid #bd5fff;
  color: #fff;
  padding: 8px 35px;
  width: auto;
  cursor: pointer;
  transition: 0.5s;
  margin-top: 20px;
}
.sstt_main_area input[type='submit']:hover {
  background: #262626;
  border: 1px solid #262626;
}
.sstt-icon-wrap {
  margin-bottom: 20px;
}
.sstt-icon-wrap .button {
  display: inline-block;
  margin-bottom: 5px;
}

/* ---------------------------------------------------------------
 * Number input + px unit
 * ------------------------------------------------------------- */
.sstt-number-wrap {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  gap: 10px;
}
.sstt-number-wrap input[type='number'] {
  width: 100px !important;
  padding: 10px 14px !important;
  margin-bottom: 0 !important;
  text-align: center;
  -moz-appearance: textfield;
}
.sstt-number-wrap input[type='number']::-webkit-outer-spin-button,
.sstt-number-wrap input[type='number']::-webkit-inner-spin-button {
  -webkit-appearance: auto;
}
.sstt-unit {
  font-weight: 700;
  font-size: 14px;
  color: #636e72;
  flex-shrink: 0;
}

/* ---------------------------------------------------------------
 * Custom checkbox rows
 * ------------------------------------------------------------- */
label.sstt-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-weight: normal;
  font-size: 14px;
  cursor: pointer;
  margin: 6px 0;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 6px;
  background: #fafafa;
  width: 90%;
  box-sizing: border-box;
  transition: background 0.2s, border-color 0.2s;
}
label.sstt-checkbox:hover {
  background: #f0e6ff;
  border-color: #bd5fff;
}

/* Hide native checkbox */
label.sstt-checkbox input[type='checkbox'] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  margin: 0;
  padding: 0;
  border: none;
  box-shadow: none;
}

/* Custom checkmark box */
.sstt-checkmark {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border: 2px solid #ccc;
  border-radius: 4px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  transition: background 0.2s, border-color 0.2s;
}
.sstt-checkmark::after {
  content: '';
  display: block;
  width: 5px;
  height: 10px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
  opacity: 0;
  transition: opacity 0.15s;
}
label.sstt-checkbox input[type='checkbox']:checked ~ .sstt-checkmark {
  background: #bd5fff;
  border-color: #bd5fff;
}
label.sstt-checkbox input[type='checkbox']:checked ~ .sstt-checkmark::after {
  opacity: 1;
}

/* Label text + description */
.sstt-cb-label {
  display: flex;
  flex-direction: column;
  line-height: 1.4;
  font-weight: 600;
  font-size: 14px;
  color: #2d3436;
}
.sstt-cb-label em {
  font-style: normal;
  font-weight: normal;
  font-size: 12px;
  color: #636e72;
  margin-top: 2px;
}