[data-kw-shell="v1"] .tool-shell {
  display: grid;
  grid-template-columns: minmax(240px, 0.82fr) minmax(0, 1.18fr);
  gap: 20px;
  align-items: start;
  min-width: 0;
}

[data-kw-shell="v1"] .calculator-panel,
[data-kw-shell="v1"] .result-panel {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--kw-line, #d7e3dc);
  background: var(--kw-surface, #fff);
}

[data-kw-shell="v1"] .calculator-panel {
  display: grid;
  gap: 24px;
}

[data-kw-shell="v1"] .result-panel {
  background: var(--kw-page, #fbfdfb);
}

[data-kw-shell="v1"] .result-panel h2,
[data-kw-shell="v1"] .result-panel h3,
[data-kw-shell="v1"] .scope-card h2 {
  margin: 0;
  color: var(--kw-ink, #14352a);
  font-size: 18px;
  line-height: 1.4;
}

[data-kw-shell="v1"] .result-panel h3 {
  margin-top: 22px;
  font-size: 15px;
}

[data-kw-shell="v1"] .field-group {
  display: grid;
  gap: 8px;
}

[data-kw-shell="v1"] label {
  color: var(--kw-ink, #14352a);
  font-size: 13px;
  font-weight: 700;
}

[data-kw-shell="v1"] textarea {
  width: 100%;
  max-width: 100%;
  min-height: 180px;
  box-sizing: border-box;
  padding: 11px 12px;
  border: 1px solid var(--kw-line-strong, #abc5b5);
  border-radius: 2px;
  background: #fff;
  color: var(--kw-ink, #14352a);
  font: 16px/1.55 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.04em;
  resize: vertical;
}

[data-kw-shell="v1"] textarea:focus-visible,
[data-kw-shell="v1"] button:focus-visible {
  outline: 2px solid var(--kw-accent, #258357);
  outline-offset: 2px;
}

[data-kw-shell="v1"] textarea[aria-invalid="true"] {
  border-color: #ad3f32;
  background: #fff9f7;
}

[data-kw-shell="v1"] .help-text,
[data-kw-shell="v1"] .form-error,
[data-kw-shell="v1"] .scope-card p,
[data-kw-shell="v1"] .result-status,
[data-kw-shell="v1"] .assumption-note {
  margin: 0;
  color: var(--kw-muted, #5b7368);
  font-size: 12px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

[data-kw-shell="v1"] .form-error {
  color: #a33429;
  font-weight: 700;
}

[data-kw-shell="v1"] .button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

[data-kw-shell="v1"] .button {
  min-height: 40px;
  padding: 8px 13px;
  border: 1px solid var(--kw-line-strong, #abc5b5);
  border-radius: 2px;
  background: #fff;
  color: var(--kw-ink, #14352a);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}

[data-kw-shell="v1"] .button:hover {
  border-color: var(--kw-accent, #258357);
}

[data-kw-shell="v1"] .button-primary {
  border-color: var(--kw-ink, #14352a);
  background: var(--kw-ink, #14352a);
  color: #fff;
}

[data-kw-shell="v1"] .button-quiet {
  color: var(--kw-muted, #5b7368);
}

[data-kw-shell="v1"] .scope-card {
  display: grid;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--kw-line, #d7e3dc);
}

[data-kw-shell="v1"] .metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 16px;
}

[data-kw-shell="v1"] .metric {
  min-width: 0;
  padding: 11px 12px;
  border: 1px solid var(--kw-line, #d7e3dc);
  background: #fff;
}

[data-kw-shell="v1"] .metric-label,
[data-kw-shell="v1"] .metric-unit {
  display: block;
  color: var(--kw-muted, #5b7368);
  font-size: 11px;
}

[data-kw-shell="v1"] .metric strong {
  display: inline-block;
  margin-top: 5px;
  color: var(--kw-ink, #14352a);
  font-size: 16px;
  overflow-wrap: anywhere;
}

[data-kw-shell="v1"] .metric-emphasis strong {
  color: var(--kw-accent, #258357);
  font-size: 18px;
}

[data-kw-shell="v1"] .assumption-note {
  margin-top: 10px;
}

[data-kw-shell="v1"] .table-wrap {
  max-width: 100%;
  margin-top: 10px;
  overflow-x: auto;
  border: 1px solid var(--kw-line, #d7e3dc);
  background: #fff;
}

[data-kw-shell="v1"] #composition-table {
  width: 100%;
  min-width: 410px;
  border-collapse: collapse;
  color: var(--kw-ink, #14352a);
  font-size: 13px;
}

[data-kw-shell="v1"] #composition-table th,
[data-kw-shell="v1"] #composition-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--kw-line, #d7e3dc);
  text-align: right;
  white-space: nowrap;
}

[data-kw-shell="v1"] #composition-table th:first-child,
[data-kw-shell="v1"] #composition-table td:first-child,
[data-kw-shell="v1"] #composition-table th:nth-child(2),
[data-kw-shell="v1"] #composition-table td:nth-child(2) {
  text-align: left;
}

[data-kw-shell="v1"] #composition-table th {
  background: #f1f7f3;
  color: var(--kw-muted, #5b7368);
  font-size: 11px;
}

[data-kw-shell="v1"] #composition-table tr:last-child td {
  border-bottom: 0;
}

[data-kw-shell="v1"] .composition-code {
  font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

[data-kw-shell="v1"] .result-status[data-state="error"] {
  color: #a33429;
  font-weight: 700;
}

[data-kw-shell="v1"] .result-status[data-state="waiting"] {
  color: var(--kw-muted, #5b7368);
}

@media (max-width: 820px) {
  [data-kw-shell="v1"] .tool-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  [data-kw-shell="v1"] .calculator-panel,
  [data-kw-shell="v1"] .result-panel {
    padding: 16px;
  }

  [data-kw-shell="v1"] .metric-grid {
    grid-template-columns: 1fr;
  }

  [data-kw-shell="v1"] .button {
    width: 100%;
  }

  [data-kw-shell="v1"] .button-row {
    display: grid;
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-kw-shell="v1"] *,
  [data-kw-shell="v1"] *::before,
  [data-kw-shell="v1"] *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}