@import url('/css/main.css');

.calc-card {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-xl);
  border: 1px solid var(--outline-variant);
  padding: 28px;
  margin-bottom: 32px;
}

.calc-presets {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--surface-container-high);
}

.calc-presets__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--on-surface-variant);
}

.calc-presets__list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.calc-presets__btn {
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 13px;
  color: var(--on-surface);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calc-presets__btn:hover {
  background: var(--surface-container-high);
  border-color: var(--primary);
  color: var(--primary);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (max-width: 820px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.calc-section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-top: 8px;
  margin-bottom: -4px;
}

.calc-split-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 540px) {
  .calc-split-row {
    grid-template-columns: 1fr;
  }
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.calc-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--on-surface-variant);
}

.calc-input {
  background: var(--surface-container-highest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 14px;
  color: var(--on-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.calc-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 83, 219, 0.15);
}

.calc-select {
  cursor: pointer;
}

.calc-checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--on-surface);
  cursor: pointer;
  user-select: none;
}

.calc-checkbox {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--primary);
}

.calc-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.calc-btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calc-btn--save {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  color: #fff;
  border: none;
}

.calc-btn--save:hover {
  opacity: 0.95;
  box-shadow: var(--shadow-sm);
}

.calc-btn--reset {
  background: transparent;
  color: var(--on-surface-variant);
  border: 1px solid var(--outline-variant);
}

.calc-btn--reset:hover {
  background: var(--surface-container-high);
}

.calc-results {
  background: var(--surface-container-low);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  border: 1px solid var(--outline-variant);
}

.calc-results-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--on-surface);
}

.calc-results-hero {
  background: var(--surface-container-lowest);
  border-radius: var(--radius-md);
  padding: 18px;
  text-align: center;
  border: 1px solid rgba(0, 83, 219, 0.15);
  box-shadow: 0 2px 8px rgba(0, 83, 219, 0.05);
}

.calc-results-hero__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--on-surface-variant);
  display: block;
  margin-bottom: 4px;
}

.calc-results-hero__val-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
}

.calc-results-hero__val {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-headline);
  line-height: 1.1;
}

.calc-results-hero__unit {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.calc-results-hero__sub {
  font-size: 12px;
  color: var(--on-surface-variant);
  display: block;
  margin-top: 4px;
}

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

.calc-spec-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--surface-container-highest);
  font-size: 13px;
}

.calc-spec-item:last-child {
  border-bottom: none;
}

.calc-spec-label {
  color: var(--on-surface-variant);
}

.calc-spec-val {
  font-weight: 600;
  color: var(--on-surface);
  text-align: right;
}

.calc-saved {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--surface-container-high);
}

.calc-saved__title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--on-surface);
}

.calc-saved__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-saved-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface-container-low);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.calc-saved-item:hover {
  background: var(--surface-container-high);
  border-color: var(--primary);
}

.calc-saved-item__info {
  display: flex;
  gap: 10px;
  align-items: center;
}

.calc-saved-item__name {
  font-weight: 600;
  color: var(--on-surface);
}

.calc-saved-item__val {
  color: var(--primary);
}

.calc-saved-item__del {
  background: none;
  border: none;
  color: var(--on-surface-variant);
  font-size: 16px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.calc-saved-item__del:hover {
  color: var(--error, #ba1a1a);
}