.potting-tool {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(23, 33, 27, .08);
}

.potting-tool h2 { margin: 0; font-size: 24px; }

.potting-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.potting-field { min-width: 0; }
.potting-field.full { grid-column: 1 / -1; }

.potting-field label,
.potting-label {
  display: block;
  margin-bottom: 6px;
  color: #3e4b43;
  font-size: 13px;
  font-weight: 750;
}

.potting-field input,
.potting-field select {
  width: 100%;
  min-height: 44px;
  border: 1px solid #cbd5ce;
  border-radius: 6px;
  padding: 0 12px;
  background: #fff;
  color: var(--ink);
  outline: 0;
}

.potting-field input:focus,
.potting-field select:focus,
.potting-toggle button:focus-visible,
.potting-shapes button:focus-visible {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(22, 121, 74, .14);
  outline: 0;
}

.potting-toggle,
.potting-shapes {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.potting-toggle { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.potting-shapes { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.potting-toggle button,
.potting-shapes button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  background: #fff;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.potting-toggle button[aria-pressed="true"],
.potting-shapes button[aria-pressed="true"],
.potting-toggle button:hover,
.potting-shapes button:hover {
  border-color: var(--green);
  background: var(--green-pale);
  color: var(--green-dark);
}

.potting-hint,
.potting-error {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.45;
}

.potting-hint { color: var(--muted); }
.potting-error { color: #a2382f; }

.potting-result {
  display: grid;
  gap: 14px;
  margin-top: 20px;
  border-radius: var(--radius);
  padding: 18px;
  background: #17211b;
  color: #fff;
}

.potting-primary {
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, .15);
}

.potting-result-label { color: #aebdb3; font-size: 12px; }

.potting-primary-value {
  margin-top: 3px;
  font-size: 34px;
  font-weight: 840;
  line-height: 1.05;
}

.potting-result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.potting-result-grid strong {
  display: block;
  margin-top: 3px;
  font-size: 18px;
}

.potting-note {
  margin: 0;
  color: #d1ded5;
  font-size: 12px;
  line-height: 1.5;
}

.potting-section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.potting-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.potting-list li {
  padding: 14px 16px;
  border-left: 3px solid var(--green);
  background: var(--green-pale);
  line-height: 1.55;
}

.potting-formula {
  margin: 0;
  border-radius: var(--radius);
  padding: 16px;
  background: #17211b;
  color: #e5f0e8;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.65;
  white-space: pre-wrap;
}

.potting-related {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.potting-related a {
  display: block;
  border-top: 3px solid var(--green);
  padding-top: 14px;
  color: var(--ink);
  text-decoration: none;
}

.potting-related a:hover { color: var(--green-dark); }

.potting-related span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

@media (max-width: 760px) {
  .potting-section-grid,
  .potting-related { grid-template-columns: 1fr; }
  .potting-shapes { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .potting-tool { padding: 18px 14px; }
  .potting-fields { grid-template-columns: 1fr; }
  .potting-field.full { grid-column: auto; }
  .potting-result-grid { grid-template-columns: 1fr 1fr; }
  .potting-result-grid div:last-child { grid-column: 1 / -1; }
}