:root {
  --calc-border: #a4a4a4;
  --calc-text: #1f2937;
  --calc-text-light: #6b7280;
  --calc-input-bg: #f9fafb;
  --calc-input-border: #d1d5db;
  --calc-card-bg: #efefef;
  --calc-label-bg: #f3f4f6;

  --calc-link: #3b82f6;
  --calc-grad-start: #10b981;
  --calc-grad-mid: #f59e0b;
  --calc-grad-end: #ef4444;
}

html.dark {
  --calc-border: #374151;
  --calc-text: #f9fafb;
  --calc-text-light: #9ca3af;
  --calc-input-bg: #374151;
  --calc-input-border: #4b5563;
  --calc-card-bg: #111827;
  --calc-label-bg: #374151;

  --calc-link: #60a5fa;
  --calc-grad-start: #34d399;
}

.cht-cost-calculator {
  width: 100%;
  margin-top: 2rem;
  display: grid;
  gap: 1rem;
  max-width: 48rem;

  .calc-hidden {
    display: none !important;
  }
  .calc-text-muted {
    color: var(--calc-text-light);
  }
  .calc-text-blue {
    color: var(--calc-link);
  }
  .calc-text-orange {
    color: var(--calc-grad-mid);
  }

  .calc-divider {
    padding-top: 1.5rem;
    border-top: 1px solid var(--calc-border);
  }

  .calc-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--calc-text-light);
    margin-bottom: 0.5rem;
  }
  .range-bar {
    position: relative;
    height: 1rem;
    background: linear-gradient(to right, var(--calc-grad-start), var(--calc-grad-mid), var(--calc-grad-end));
    border-radius: 4px;
    margin-bottom: 0.25rem;

    .range-marker {
      position: absolute;
      top: -0.25rem;
      width: 3px;
      height: 1.5rem;
      background: white;
      border: 2px solid var(--calc-text);
      transition: left 0.3s ease;
    }
  }
  .calc-link {
    color: var(--calc-link);
    font-size: 0.9rem;
    font-weight: 500;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
  }
  .advanced-footer > :last-child {
    float: right;
  }
  .inline-cost {
    text-align: right;
  }
  .inline-cost-yearly {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--calc-link);
    white-space: nowrap;
  }
  .inline-cost-monthly {
    font-size: 0.75rem;
    color: var(--calc-text-light);
  }

  .calc-card {
    background: var(--calc-card-bg);
    border: 1px solid var(--calc-border);
    border-radius: 8px;
    padding: 1.5rem;
    max-width: 24rem;

    h3 {
      margin: 0 0 1.25rem 0;
    }
  }
  .calc-card.params {
    display: flex;
    flex-direction: column;

    .advanced-inputs-scroll {
      overflow-y: auto;
      min-height: 0;
      max-height: 19rem;
      margin-right: -0.75rem;
      padding-right: 0.25rem;
      scrollbar-width: thin;
      scrollbar-color: transparent transparent;
      &:hover {
        scrollbar-color: var(--calc-border) transparent;
      }
    }

    > .calc-divider {
      margin-top: auto;
    }

    .label-with-value {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 0.5rem;
      font-weight: 500;
      font-size: 0.9rem;
    }

    .input-value {
      background: var(--calc-label-bg);
      padding: 0.25rem 0.5rem;
      border: 1px solid var(--calc-input-border);
      border-radius: 4px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--calc-text);
      width: 4.5rem;
      text-align: right;
    }
    .input-value:focus {
      outline: none;
      border-color: var(--calc-link);
    }
    /* Hide spin buttons for number inputs */
    .input-value::-webkit-outer-spin-button,
    .input-value::-webkit-inner-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }
    .input-value[type=number] {
      -moz-appearance: textfield;
    }

    .calc-input {
      width: 100%;
      padding: 0;
      height: 2rem;
      cursor: pointer;
    }

    .helper-text {
      font-size: 0.8rem;
      color: var(--calc-text-light);
      margin-top: 0.25rem;
    }

    .advanced-input-group {
      margin-bottom: 1.25rem;

      .advanced-input {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        margin-bottom: 0.25rem;

        label {
          margin: 0;
          flex: 1;
        }
      }
    }
  }
  .calc-card.cost {
    .total-cost {
      text-align: center;
      font-size: 2.5rem;
      font-weight: bold;
      color: var(--calc-link);
      margin-bottom: 0.25rem;
    }
    .monthly-cost {
      text-align: center;
      font-size: 1rem;
      color: var(--calc-text-light);
      margin-bottom: 1rem;
    }
    .cost-pie {
      --instance-pct: 50;
      width: 12rem;
      height: 12rem;
      margin: 0 auto 1rem;
      border-radius: 50%;
      background: conic-gradient(
              var(--calc-link) 0% calc(var(--instance-pct) * 1%),
              var(--calc-grad-start) calc(var(--instance-pct) * 1%) 100%
      );
    }
    .cost-legend {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
      align-items: center;
    }
    .cost-legend-item {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.9rem;
    }
    .cost-legend-color {
      display: inline-block;
      width: 16px;
      height: 16px;
      border-radius: 4px;
    }
    .cost-legend-instance {
      background: var(--calc-link);
    }
    .cost-legend-disk {
      background: var(--calc-grad-start);
    }
  }
  .calc-card.users {
    .calc-label {
      font-size: 1rem;
      margin-right: 0.5rem;
    }
    .cost-per-user {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      margin-bottom: 1.5rem;
    }

    .viz-section {
      margin-bottom: 1.5rem;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: baseline;

      .viz-value {
        font-size: 1.5rem;
        font-weight: bold;
        margin-bottom: 0.5rem;
      }

      .range-bar {
        width: 100%;
      }
    }
    .viz-section:last-child {
      margin-bottom: 0;
    }
  }
  .calc-card.host {
    .host-value-large {
      font-size: 1.25rem;
      font-weight: bold;
      margin-bottom: 0.5rem;
    }

    .host-section-row {
      display: flex;
      justify-content: space-between;
    }

    .disk-bar {
      display: flex;
      height: 20px;
      border-radius: 4px;
      overflow: hidden;
      margin-top: 0.5rem;
    }
    .disk-bar-segment {
      height: 100%;
      transition: width 0.3s ease;
    }
    .disk-bar-segment-root {
      background: var(--calc-text-light);
    }
    .disk-bar-segment-db {
      background: var(--calc-link);
    }
    .disk-bar-segment-overprovision {
      background: var(--calc-grad-mid);
    }

    .breakdown-legend {
      margin-top: 0.5rem;
      font-size: 0.8rem;
      font-weight: 600;
    }
    .breakdown-label {
      color: var(--calc-text-light);
      font-weight: normal;
      margin-right: 0.25rem;
    }
  }
}

@media (min-width: 1024px) {
  .cht-cost-calculator {
    grid-template-columns: repeat(12, 1fr);
  }
  .calc-card.params { grid-column: span 6; }
  .calc-card.cost { grid-column: span 6; }
  .calc-card.users { grid-column: span 6; }
  .calc-card.host { grid-column: span 6; }
}