/* ── Calculator: Layout & Fields ── */

.calc-subtitle {
  margin: 0;
  opacity: 0.7;
}

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

@media (min-width: 768px) {
  .calc-field-row {
    flex-direction: row;
    align-items: flex-end;
  }
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.calc-field--grow {
  flex: 1;
}

.calc-field label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  opacity: 0.7;
}

.calc-field input,
.calc-field select {
  font-family: "Roboto", sans-serif;
  font-size: 1rem;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: var(--color-white);
  color: var(--color-text);
  box-sizing: border-box;
  height: 42px;
}

.calc-field select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.calc-field input:focus,
.calc-field select:focus {
  outline: none;
  border-color: var(--color-navy);
  box-shadow: 0 0 0 2px rgba(20, 19, 61, 0.15);
}

.calc-field input[type="number"] {
  max-width: 140px;
}

.calc-section-label {
  margin-top: 32px;
  margin-bottom: 8px;
  font-size: 1rem;
}

.calc-hint {
  font-size: 0.85rem;
  opacity: 0.6;
  margin: 0 0 12px;
}

/* ── Section-level warning ── */

.calc-section-warning {
  font-size: 0.85rem;
  color: var(--color-red);
  background: rgba(238, 78, 71, 0.06);
  border: 1px solid rgba(238, 78, 71, 0.2);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 12px;
}

/* ── Resource Rows ── */

.calc-resource-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 12px;
}

.calc-resource-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
  padding: 12px;
  background: var(--color-bg);
  border-radius: 10px;
}

.calc-resource-row .calc-field {
  min-width: 0;
}

.calc-resource-row .calc-field--label {
  flex: 1 1 140px;
}

.calc-resource-row .calc-field--type {
  flex: 0 1 110px;
}

.calc-resource-row .calc-field--quantity {
  flex: 0 1 140px;
}

.calc-resource-row .calc-field--quantity input {
  max-width: 100%;
}

.calc-resource-row .calc-field--allocation {
  flex: 0 1 100px;
}

.calc-resource-row .calc-field--allocation input {
  max-width: 100%;
}

.calc-resource-row .calc-field--allocation-unit {
  flex: 0 1 180px;
}

.calc-resource-row .calc-field--unit-cost {
  flex: 0 1 110px;
}

.calc-resource-row .calc-field--unit-cost input {
  max-width: 100%;
}

.calc-resource-row .calc-field--cost-unit {
  flex: 0 1 120px;
}

/* ── Inline Summary Line ── */

.calc-row-footer {
  flex-basis: 100%;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 10px;
  margin-top: 2px;
}

.calc-row-footer .btn-add {
  flex-shrink: 0;
  white-space: nowrap;
}

.calc-resource-row > .calc-row-summary {
  flex-basis: 100%;
}

.calc-row-summary {
  flex: 1 1 0;
  font-size: 0.8rem;
  font-family: "Roboto Mono", monospace;
  color: var(--color-navy);
  opacity: 0.7;
  margin: 0;
  line-height: 1.4;
}

/* ── Remove Button ── */

.btn-remove-row {
  flex-shrink: 0;
  background: none;
  border: 1px solid #ccc;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--color-text);
  opacity: 0.5;
  line-height: 1;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
}

.btn-remove-row:hover {
  opacity: 1;
  color: var(--color-red);
  border-color: var(--color-red);
  background: rgba(238, 78, 71, 0.08);
}

.calc-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ── Buttons ── */

.calc-field-row > .btn-add {
  align-self: flex-end;
  white-space: nowrap;
}

.btn-add {
  font-family: "Roboto", sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-navy);
  background: none;
  border: 1px dashed #ccc;
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.btn-add:hover {
  border-color: var(--color-navy);
  background: rgba(20, 19, 61, 0.04);
}


/* ── Card Footer Totals ── */

.calc-card-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
}

.calc-card-total strong {
  font-family: "Roboto Mono", monospace;
  font-size: 1.2rem;
  color: var(--color-navy);
}

.calc-results-label {
  margin-top: 16px;
  margin-bottom: 8px;
  font-size: 1rem;
}

/* ── Results Card ── */

.calc-results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.calc-results-grid:last-child {
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .calc-results-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .calc-results-grid--3col {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.calc-result-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  background: var(--color-bg);
  border-radius: 10px;
}

.calc-result-item--positive .calc-result-value {
  color: var(--color-green);
}

.calc-result-item--negative .calc-result-value {
  color: var(--color-red);
}

.calc-result-label {
  font-size: 0.8rem;
  font-weight: 500;
  opacity: 0.6;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.calc-result-value {
  font-family: "Roboto Mono", monospace;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-navy);
}

/* ── Per-Task View ── */

.calc-per-task {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid #e0e0e0;
}

/* ── Toast ── */

.calc-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--color-navy);
  color: var(--color-white);
  padding: 12px 24px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  z-index: 1000;
  pointer-events: none;
}

.calc-toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}