.mc-wrapper {
    width: 100%;
    max-width: 28rem;
    margin: 2rem auto;
  }

  .mc-card {
    background: #fff;
    border-radius: 1.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    overflow: hidden;
  }

  .theme-dark .mc-card {
    background: #0f172a;
    border-color: #1e293b;
  }

  .mc-display {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    padding: 2rem;
    text-align: center;
  }

  .mc-display-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
    margin: 0 0 0.75rem;
  }

  .mc-display-row {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
  }

  .mc-cost {
    font-size: 3.5rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: -0.03em;
    line-height: 1;
    font-variant-numeric: tabular-nums;
  }

  .mc-currency {
    font-size: 2rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
  }

  .mc-divider {
    height: 1px;
    background: #e2e8f0;
  }

  .theme-dark .mc-divider {
    background: #1e293b;
  }

  .mc-fields {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 1.5rem;
  }

  .mc-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .mc-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .mc-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
  }

  .theme-dark .mc-label {
    color: #94a3b8;
  }

  .mc-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 1rem;
    font-weight: 600;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 0.625rem;
    outline: none;
    color: #1e293b;
    transition: border-color 0.2s;
    box-sizing: border-box;
  }

  .theme-dark .mc-input {
    background: #1e293b;
    border-color: #334155;
    color: #fff;
  }

  .mc-input:focus {
    border-color: #10b981;
  }

  .mc-input::-webkit-inner-spin-button,
  .mc-input::-webkit-outer-spin-button {
    appearance: none;
    margin: 0;
  }

  .mc-type-select {
    font-size: 0.75rem;
    font-weight: 600;
    background: #f1f5f9;
    border: none;
    border-radius: 0.375rem;
    padding: 0.25rem 0.5rem;
    color: #475569;
    cursor: pointer;
    outline: none;
  }

  .theme-dark .mc-type-select {
    background: #334155;
    color: #94a3b8;
  }

  .mc-actions {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.75rem;
    padding: 0 1.5rem 1.5rem;
  }

  .mc-btn-primary {
    background: #10b981;
    color: #fff;
    border: none;
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s;
  }

  .mc-btn-primary:hover {
    background: #059669;
  }

  .mc-btn-primary.mc-running {
    background: #ef4444;
  }

  .mc-btn-primary.mc-running:hover {
    background: #dc2626;
  }

  .mc-btn-secondary {
    background: #f1f5f9;
    color: #64748b;
    border: none;
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
  }

  .theme-dark .mc-btn-secondary {
    background: #1e293b;
    color: #94a3b8;
  }

  .mc-btn-secondary:hover:not(:disabled) {
    background: #e2e8f0;
  }

  .theme-dark .mc-btn-secondary:hover:not(:disabled) {
    background: #334155;
  }

  .mc-btn-secondary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
  }