.block-field {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.block-field legend {
  padding: 0;
  font-size: 14px;
  font-weight: 700;
}

.block-field > p {
  margin: 6px 0 12px;
  color: #718079;
  font-size: 13px;
}

.block-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  max-height: 260px;
  padding: 3px;
  overflow: auto;
}

.block-options label {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: white;
  cursor: pointer;
}

.block-options label:has(input:checked) {
  border-color: var(--green);
  background: #eef6f1;
}

.block-options input {
  width: 17px;
  height: 17px;
  margin: 0;
}

.block-options span {
  min-width: 0;
  font-size: 13px;
  font-weight: 650;
}

.block-options small {
  color: #718079;
  font-size: 11px;
}

.navigator-wrap {
  margin: -15px 0 22px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
}

.navigator-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  color: #66736e;
  font-size: 12px;
}

.navigator-head strong {
  color: var(--ink);
  font-size: 13px;
}

.navigator-head span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.key {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-left: 7px;
  border-radius: 50%;
  background: #e1e6e2;
}

.key.answered {
  background: var(--green);
}

.key.doubt-key {
  background: var(--gold);
}

.question-nav {
  display: grid;
  grid-template-columns: repeat(10, minmax(32px, 1fr));
  gap: 7px;
}

.question-nav button {
  position: relative;
  min-height: 36px;
  padding: 0;
  border: 1px solid #cbd3cf;
  border-radius: 8px;
  background: #f2f4f2;
  color: #66736e;
  font-size: 12px;
  font-weight: 750;
}

.question-nav button.answered {
  border-color: #8bb5a6;
  background: #dcebe3;
  color: var(--forest);
}

.question-nav button.doubt::after {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--paper);
  border-radius: 50%;
  background: var(--gold);
  content: '';
}

.question-nav button.current {
  outline: 3px solid #1f725c33;
  border-color: var(--green);
  background: var(--forest);
  color: white;
}

.answer-source {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 10px;
  margin-top: 14px;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  color: #68766f;
  font-size: 12px;
  line-height: 1.5;
}

.answer-source strong {
  color: var(--ink);
}

.answer-source a {
  color: var(--green);
  font-weight: 750;
}

.answer-source.missing {
  opacity: .75;
}

.result-actions {
  flex-wrap: wrap;
}

.history-list {
  display: grid;
  gap: 10px;
  margin-top: 34px;
}

.history-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 18px;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 17px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  color: var(--ink);
  text-align: left;
}

.history-card:hover {
  border-color: #8bb5a6;
  background: #f8fbf9;
}

.history-card span {
  display: grid;
  gap: 5px;
}

.history-card small {
  color: #718079;
}

.history-card > b {
  color: var(--forest);
  font: 500 25px Georgia, serif;
}

.history-card > i {
  color: var(--green);
  font-style: normal;
}

.empty-card {
  padding: 24px;
  border: 1px dashed #b8c3be;
  border-radius: 12px;
  color: #718079;
  text-align: center;
}

@media (max-width: 720px) {
  header {
    gap: 4px;
  }

  header .brand {
    display: none;
  }

  header nav {
    margin-right: auto;
  }

  header nav button {
    padding: 8px 7px;
  }

  .block-options {
    grid-template-columns: 1fr;
  }

  .navigator-head span {
    display: none;
  }

  .question-nav {
    grid-template-columns: repeat(5, minmax(36px, 1fr));
  }

  .navigator-wrap {
    margin-top: -18px;
  }

  .answer-source {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .result-actions > button {
    flex: 1 1 100%;
  }

  .history-card {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .history-card > i {
    display: none;
  }
}