.pw-calc-container {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 0 2rem;
}

.pw-calc-header {
  text-align: center;
  margin-bottom: 2rem;
}

.pw-calc-header h1 {
  font-size: 1.8rem;
  color: var(--color-text);
  margin-bottom: .5rem;
}

.pw-calc-header p {
  color: var(--color-gray-400);
  font-size: .95rem;
  line-height: 1.5;
}

.pw-calc-body {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
}

.pw-calc-section {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.pw-calc-section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.pw-calc-section-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.pw-calc-input-group {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.pw-calc-input-group label {
  flex: 1;
  font-weight: 500;
  color: var(--color-text);
}

.pw-calc-input-group input[type="number"] {
  width: 140px;
  padding: .5rem .75rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: .95rem;
  text-align: right;
}

.pw-calc-addon {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .5rem 0;
}

.pw-calc-addon input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
  cursor: pointer;
}

.pw-calc-addon label {
  flex: 1;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
}

.pw-calc-qty,
.pw-calc-price {
  width: 90px;
  padding: .45rem .6rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: .9rem;
  text-align: right;
}

.pw-calc-tax-exempt,
.pw-calc-split-toggle {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.pw-calc-tax-exempt input,
.pw-calc-split-toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.pw-calc-tax-exempt label,
.pw-calc-split-toggle label {
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
}

.pw-calc-split-input {
  margin-top: 1rem;
}

.pw-calc-results {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.25rem;
  margin-top: 1.5rem;
}

.pw-calc-results-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.pw-calc-result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .4rem 0;
  font-size: .95rem;
  color: var(--color-text);
}

.pw-calc-result-total {
  font-weight: 700;
  font-size: 1.1rem;
  border-top: 1px solid var(--color-border);
  padding-top: .75rem;
  margin-top: .5rem;
}

.pw-calc-result-cash {
  color: #22c55e;
  font-weight: 600;
}

.pw-calc-result-split-header {
  font-weight: 700;
  color: var(--color-primary);
  border-top: 1px solid var(--color-border);
  padding-top: .75rem;
  margin-top: .5rem;
}

.pw-calc-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.pw-calc-btn {
  flex: 1;
  padding: .75rem 1rem;
  border: none;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, transform .1s;
  text-align: center;
}

.pw-calc-btn:active {
  transform: scale(.98);
}

.pw-calc-btn--copy {
  background: var(--color-primary);
  color: #fff;
}

.pw-calc-btn--copy:hover {
  background: var(--color-primary-hover, #d4a800);
}

.pw-calc-btn--download {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.pw-calc-btn--download:hover {
  background: var(--color-border);
}

.pw-calc-disclaimer {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.pw-calc-disclaimer p {
  font-size: .85rem;
  color: var(--color-gray-400);
  line-height: 1.5;
  margin-bottom: .5rem;
}

.pw-calc-disclaimer p:last-child {
  margin-bottom: 0;
}

@media (max-width: 600px) {
  .pw-calc-body {
    padding: 1rem;
  }

  .pw-calc-input-group {
    flex-direction: column;
    align-items: stretch;
  }

  .pw-calc-input-group input[type="number"] {
    width: 100%;
  }

  .pw-calc-addon {
    flex-wrap: wrap;
  }

  .pw-calc-qty,
  .pw-calc-price {
    width: 100%;
    margin-top: .25rem;
  }

  .pw-calc-actions {
    flex-direction: column;
  }

  .pw-calc-header h1 {
    font-size: 1.4rem;
  }
}