.idtf-app {
  width: 100%;
}

.idtf-screen,
.idtf-box {
  box-sizing: border-box;
}

.idtf-box,
#idtf-screen-root {
  max-width: 400px;
  margin: 0 auto;
}

.idtf-app h2 {
  margin: 0 0 12px;
  font-size: 32px;
  line-height: 1.2;
}

.idtf-box h3,
.idtf-result-title {
  margin: 0 0 12px;
}

.idtf-subtitle {
  margin: 0 0 16px;
}

.idtf-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.idtf-btn {
  color: #000;
  display: block;
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid #d4d4d4;
  background: #fff;
  cursor: pointer;
  text-align: center;
}

.idtf-btn-secondary {
  max-width: 400px;
  margin: 0 auto 14px;
}

.idtf-box,
#idtf-screen-root {
  padding: 16px;
  border: 1px solid #ececec;
  background: #fff;
}

.idtf-schema-wrap {
  position: relative;
}

.idtf-schema-image {
  display: block;
  width: 100%;
  height: auto;
}

.idtf-zone {
  position: absolute;
  border: 1px solid rgba(0, 140, 255, .45);
  background: rgba(0, 140, 255, .12);
  cursor: pointer;
}

.idtf-zone:hover {
  background: rgba(0, 140, 255, .22);
}

.idtf-result {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #ececec;
}

.idtf-tip {
  margin: 12px 0 0;
  font-size: 13px;
  color: #666;
}

@media (max-width: 767px) {
  .idtf-box,
  #idtf-screen-root,
  .idtf-btn-secondary {
    max-width: 100%;
  }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .idtf-box,
  #idtf-screen-root,
  .idtf-btn-secondary {
    max-width: 520px;
  }
}