/* =========================================================
   UKJENT TALL
   Kun styles som er spesifikke for Ukjent tall.
   Felles verktøystil styres av school-tool-standard.css
   ========================================================= */


/* OPERASJONER */

.unknown-operation-picker {
  width: min(100%, 560px);
  margin: 0 auto;

  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: 10px;
}

.unknown-operation {
  min-height: 68px;

  padding: 11px 12px;

  border: 1px solid var(--line);
  border-radius: 9px;

  background: var(--surface);
  color: var(--text);

  text-align: left;

  cursor: pointer;
}

.unknown-operation strong {
  display: block;

  margin-bottom: 4px;

  font-size: 14px;
}

.unknown-operation span {
  display: block;

  color: var(--muted);

  font-size: 12px;
  line-height: 1.35;
}

.unknown-operation.active {
  border-color: var(--accent);

  box-shadow: inset 0 0 0 1px var(--accent);
}


/* LIKNINGSVISNING */

.equation-preview {
  margin-bottom: 22px;

  color: var(--text);

  text-align: center;

  font-size: 26px;
  font-weight: 800;
}


/* INPUTS */

.unknown-input-grid {
  width: min(100%, 460px);
  margin: 0 auto;

  display: grid;
  grid-template-columns: repeat(2, minmax(140px, 180px));

  gap: 22px;

  justify-content: center;
}

.unknown-input-grid label {
  display: block;

  margin-bottom: 8px;

  color: var(--muted);

  font-size: 13px;
  font-weight: 700;
}

.unknown-input-grid input {
  width: 100%;
  height: 50px;

  padding: 0 14px;

  border: 1px solid var(--line);
  border-radius: 8px;

  background: var(--bg);
  color: var(--text);

  font-size: 18px;
  font-weight: 700;
}

.unknown-input-grid input::placeholder {
  font-size: 14px;
  font-weight: 400;

  opacity: .7;
}


/* HOVER */

@media (hover: hover) and (pointer: fine) {
  .unknown-operation:hover {
    border-color: var(--accent);
  }
}


/* DARK MODE */

@media (prefers-color-scheme: dark) {
  .unknown-input-grid input {
    color-scheme: dark;
  }
}


/* MOBIL */

@media (max-width: 620px) {

  .unknown-operation-picker,
  .unknown-input-grid {
    grid-template-columns: 1fr;
  }

  .unknown-input-grid > div {
    width: min(100%, 220px);

    margin: 0 auto;
  }

}

.unknown-equation-card,
.unknown-answer-card,
.unknown-action-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  text-align: center;
}

.unknown-equation-card,
.unknown-answer-card {
  background: var(--surface-soft);
  font-size: 24px;
  font-weight: 900;
}

.unknown-action-card {
  background: var(--surface);
}

.unknown-action-card strong,
.unknown-action-card span {
  display: block;
}

.unknown-action-card strong {
  margin-bottom: 4px;
}

.unknown-action-card span {
  color: var(--muted);
  line-height: 1.45;
}

.unknown-arrow {
  padding: 8px 0;
  color: var(--muted);
  font-size: 24px;
  font-weight: 900;
  text-align: center;
}