.tzq-calc-tools {
  display: flex;
  flex-direction: column;
  gap: var(--tzq-spacing-lg);
  background: var(--tzq-bg-primary);
  padding: var(--tzq-spacing-md);
  border-color: var(--tzq-primary);
  box-shadow: var(--tzq-shadow-md);
}
.tzq-calc-grid {
  display: flex;
  gap: var(--tzq-spacing-md);
  flex-wrap: wrap;
}
.tzq-calc-grid--compact {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--tzq-spacing-sm);
}
.tzq-calc-card {
  width: 48%;
  display: flex;
  padding: var(--tzq-spacing-md);
  border-radius: var(--tzq-radius-md);
  border: 1px solid var(--tzq-primary-light);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.95),
    rgba(255, 255, 255, 0.88)
  );
  box-shadow: var(--tzq-card-shadow);
  text-decoration: none;
  color: var(--tzq-text-primary);
  transition:
    transform var(--tzq-transition-fast),
    box-shadow var(--tzq-transition-fast),
    border-color var(--tzq-transition-fast);
  align-items: center;
  min-width: 0;
}
.tzq-calc-card:hover {
  transform: translateY(-2px);
  border-color: rgba(var(--tzq-primary-rgb), 0.3);
  box-shadow: var(--tzq-card-shadow-hover);
}
.tzq-calc-card--compact {
  text-align: center;
  padding: var(--tzq-spacing-md) var(--tzq-spacing-sm);
  gap: var(--tzq-spacing-sm);
}
.tzq-calc-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--tzq-radius-md);
  color: #fff;
  font-size: var(--tzq-text-lg);
  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.18);
}
.tzq-calc-card-title {
  font-weight: var(--tzq-font-semibold);
  font-size: var(--tzq-text-base);
  line-height: 1.3;
}
.tzq-calc-card-desc {
  color: var(--tzq-text-secondary);
  font-size: var(--tzq-text-sm);
}
.tzq-calc-layout {
  display: flex;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: var(--tzq-spacing-xl);
  align-items: start;
  flex-direction: column;
}
.tzq-calc-main .tzq-card {
  border-radius: var(--tzq-radius-md);
}
.tzq-calc-aside {
  align-self: flex-start;
}
.tzq-calc-description {
  margin-top: var(--tzq-spacing-lg);
  padding-top: var(--tzq-spacing-lg);
  border-top: 1px solid rgba(var(--tzq-primary-rgb), 0.12);
  color: var(--tzq-text-secondary);
}
.calc-description {
  display: flex;
  flex-direction: column;
  gap: var(--tzq-spacing-sm);
  color: var(--tzq-text-secondary);
}
.calc-description h2,
.calc-description h3 {
  margin: 0;
  color: var(--tzq-text-primary);
}
.calc-container {
  display: flex;
  flex-direction: column;
  gap: var(--tzq-spacing-lg);
}
.calc-grid {
  display: grid;
  gap: var(--tzq-spacing-md);
}
.calc-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.calc-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.calc-card {
  background: var(--tzq-bg-primary);
  border: 1px solid var(--tzq-primary-light);
  border-radius: var(--tzq-radius-md);
  padding: var(--tzq-spacing-lg);
  box-shadow: var(--tzq-card-shadow);
  min-width: 0;
}
.calc-card-header {
  font-weight: var(--tzq-font-bold);
  color: var(--tzq-text-primary);
  margin-bottom: var(--tzq-spacing-md);
  font-size: var(--tzq-text-base);
}
.calc-result-card {
  background: linear-gradient(
    180deg,
    rgba(var(--tzq-primary-rgb), 0.08),
    rgba(var(--tzq-primary-rgb), 0.02)
  );
  border-color: rgba(var(--tzq-primary-rgb), 0.2);
}
.calc-input-group {
  display: flex;
  flex-direction: column;
  gap: var(--tzq-spacing-2xs);
  margin-bottom: var(--tzq-spacing-md);
}
.calc-input-label {
  font-size: var(--tzq-text-sm);
  font-weight: var(--tzq-font-semibold);
  color: var(--tzq-text-secondary);
}
.calc-input-label--checkbox {
  display: flex;
  align-items: center;
  gap: var(--tzq-spacing-xs);
  font-weight: var(--tzq-font-medium);
}
.calc-input {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: var(--tzq-radius-md);
  border: 1px solid var(--tzq-primary-light);
  background: var(--tzq-bg-primary);
  font-size: var(--tzq-text-base);
  color: var(--tzq-text-primary);
  transition:
    border-color var(--tzq-transition-fast),
    box-shadow var(--tzq-transition-fast);
}
.calc-input:focus {
  outline: none;
  border-color: rgba(var(--tzq-primary-rgb), 0.5);
  box-shadow: 0 0 0 3px rgba(var(--tzq-primary-rgb), 0.12);
}
.calc-flex {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--tzq-spacing-xs);
  min-width: 0;
}
.calc-button {
  border: 1px solid var(--tzq-primary-light);
  border-radius: var(--tzq-radius-md);
  padding: 0.7rem 1.2rem;
  font-weight: var(--tzq-font-semibold);
  cursor: pointer;
  transition:
    transform var(--tzq-transition-fast),
    box-shadow var(--tzq-transition-fast);
}
.calc-button:active {
  transform: translateY(1px);
}
.calc-button-primary {
  background: var(--tzq-gradient-primary);
  color: var(--tzq-text-inverse);
  box-shadow: 0 12px 20px rgba(var(--tzq-primary-rgb), 0.25);
}
.calc-button-outline {
  background: transparent;
  border: 1px solid var(--tzq-primary-light);
  color: var(--tzq-primary);
}
.calc-button-danger {
  background: rgba(239, 68, 68, 0.12);
  color: var(--tzq-error-600);
}
.calc-button-small {
  padding: 0.4rem 0.8rem;
  font-size: var(--tzq-text-xs);
}
.calc-button-group {
  display: flex;
  gap: var(--tzq-spacing-sm);
  flex-wrap: wrap;
}
.calc-full-width {
  width: 100%;
}
.calc-result {
  margin-top: var(--tzq-spacing-md);
}
.calc-result-value {
  font-size: var(--tzq-text-2xl);
  font-weight: var(--tzq-font-bold);
  color: var(--tzq-primary-dark);
  text-align: center;
}
.calc-result-label {
  text-align: center;
  color: var(--tzq-text-secondary);
  margin-top: var(--tzq-spacing-2xs);
}
.calc-result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px dashed rgba(var(--tzq-primary-rgb), 0.15);
}
.calc-result-row:last-child {
  border-bottom: 0;
}
.calc-table-wrapper {
  overflow-x: auto;
  border-radius: var(--tzq-radius-md);
  border: 1px solid var(--tzq-primary-light);
}
.calc-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}
.calc-table thead {
  background: rgba(var(--tzq-primary-rgb), 0.08);
}
.calc-table th,
.calc-table td {
  padding: 0.7rem;
  text-align: left;
  border-bottom: 1px solid var(--tzq-border-light);
}
.calc-table tbody tr:last-child td {
  border-bottom: 0;
}
.calc-alert {
  padding: var(--tzq-spacing-md);
  border-radius: var(--tzq-radius-md);
  background: rgba(var(--tzq-primary-rgb), 0.08);
  color: var(--tzq-text-secondary);
}
.calc-hidden {
  display: none;
}
body.tzq-dark-mode .tzq-calc-card,
[data-theme="dark"] .tzq-calc-card {
  background: rgba(15, 23, 42, 0.6);
  border-color: rgba(148, 163, 184, 0.2);
}
body.tzq-dark-mode .tzq-calc-card-title,
[data-theme="dark"] .tzq-calc-card-title {
  color: var(--tzq-text-inverse);
}
body.tzq-dark-mode .calc-card,
[data-theme="dark"] .calc-card {
  background: var(--tzq-bg-secondary);
  border-color: var(--tzq-border-dark);
}
body.tzq-dark-mode .calc-input,
[data-theme="dark"] .calc-input {
  background: rgba(15, 23, 42, 0.55);
  border-color: rgba(148, 163, 184, 0.3);
  color: var(--tzq-text-inverse);
}
@media (max-width: 1024px) {
  .tzq-calc-layout {
    grid-template-columns: 1fr;
  }
  .calc-grid-3 {
    grid-template-columns: 1fr;
  }
  .calc-grid-2 {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .tzq-calc-tools {
    padding: var(--tzq-spacing-md);
    box-shadow: none;
    content-visibility: auto;
    contain-intrinsic-size: 320px;
  }
  .tzq-calc-grid {
    flex-direction: column;
  }
  .tzq-calc-card,
  .tzq-calc-card--compact {
    width: 100%;
    text-align: left;
  }
  .calc-flex,
  .calc-grid-2,
  .calc-grid-3 {
    grid-template-columns: 1fr;
  }
  .calc-card {
    padding: var(--tzq-spacing-md);
    box-shadow: 0 6px 15px rgba(15, 23, 42, 0.08);
  }
}