body {
  background: #f5f5f5;
}

.im-layout {
  flex: 1;
  display: flex;
  gap: 28px;
  padding: 28px;
  align-items: flex-start;
  flex-wrap: wrap;
  justify-content: center;
}

.im-grid {
  display: grid;
  grid-template-columns: repeat(10, 62px);
  grid-template-rows: repeat(10, 62px);
  border: 4px solid #2f3542;
  border-radius: 10px;
  overflow: hidden;
  background-color: #cdeeff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  flex-shrink: 0;
}

.cell {
  border: 1px solid rgba(255, 255, 255, 0.4);
  position: relative;
}

.land {
  background-color: #f4dfa0;
}

.coast {
  box-shadow: inset 0 0 0 3px var(--pg-gold);
}

.marker {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 2.1rem;
  pointer-events: none;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.3));
}

.im-info {
  width: 400px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.im-info__fact {
  background: white;
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.95rem;
  color: #2f3542;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin: 0;
}

.im-step {
  background: white;
  border-radius: 12px;
  padding: 14px 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.im-step__label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: #2f3542;
  margin-bottom: 10px;
}

.im-step__row {
  display: flex;
  gap: 10px;
}

.im-step__row input {
  flex: 1;
  min-width: 90px;
  font-size: 1.1rem;
  padding: 8px 10px;
  border-radius: 8px;
  border: 2px solid #ccd3e0;
}

.im-step__row .pg-btn {
  padding: 8px 16px;
  font-size: 0.95rem;
  border-radius: 8px;
  box-shadow: none;
}

.im-result {
  min-height: 24px;
  text-align: center;
  font-weight: 600;
  color: #2f3542;
}

.im-topbar-buttons {
  display: flex;
  gap: 10px;
}

.im-select-title {
  font-size: 1rem;
  color: #2f3542;
  margin: 10px 0 0 0;
}

.pg-diff-card.selected {
  border-color: var(--pg-primary);
  box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.25), 0 2px 10px rgba(0, 0, 0, 0.1);
}