/* ohms-law-calculator — extracted from inline <style> */
.ohm-formula-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem;
  margin-top: 0.75rem;
}
.ohm-formula-card {
  background: var(--cluster-surface, #f8f9fa);
  border: 1px solid var(--evvy-border-color);
  border-radius: 8px; padding: 0.5rem 0.625rem; text-align: center;
}
.ohm-formula-card-label {
  font-size: 0.625rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.04em; color: var(--evvy-text-secondary); margin-bottom: 0.15rem;
}
.ohm-formula-card-eq {
  font-size: 0.8125rem; font-weight: 600; color: var(--cluster-dark, #1A237E);
  font-family: 'SF Mono', 'Consolas', 'Liberation Mono', monospace;
}
.ohm-wheel {
  display: flex; justify-content: center; margin: 1rem 0 0.5rem;
}
.ohm-wheel svg { max-width: 280px; width: 100%; height: auto; }
.ohm-input-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.ohm-input-block { position: relative; }
.ohm-input-block .input-group { max-width: 100%; }
.ohm-input-block .form-control {
  font-size: 0.9375rem; font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.ohm-input-block .input-group-text {
  min-width: 36px; justify-content: center; font-weight: 600;
  font-size: 0.8125rem; color: var(--cluster-dark, #1A237E);
}
.ohm-computed-badge {
  display: none; position: absolute; top: -0.35rem; right: 0.5rem;
  font-size: 0.5625rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; padding: 0.1rem 0.4rem; border-radius: 999px;
  background: var(--cluster-dark, #1A237E); color: #fff;
}
.ohm-input-block.is-computed .ohm-computed-badge { display: inline-block; }
.ohm-input-block.is-computed .form-control {
  background: color-mix(in srgb, var(--cluster-dark, #1A237E) 5%, var(--bs-body-bg, #fff));
  border-color: var(--cluster-dark, #1A237E);
}
.ohm-formula-used {
  text-align: center; font-size: 0.8125rem; font-weight: 600;
  color: var(--cluster-dark, #1A237E); margin-top: 0.5rem;
  font-family: 'SF Mono', 'Consolas', monospace;
  opacity: 0; transition: opacity 0.3s ease;
}
.ohm-formula-used.visible { opacity: 1; }
.ohm-clear-btn {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.3rem 0.75rem; font-size: 0.75rem; font-weight: 600;
  border: 1.5px solid var(--evvy-border-color);
  border-radius: var(--bs-border-radius-pill, 50rem);
  background: none; color: var(--evvy-text-secondary);
  cursor: pointer; transition: all 0.15s ease; margin-top: 0.5rem;
}
.ohm-clear-btn:hover { border-color: #dc3545; color: #dc3545; }
.ohm-resistor-row {
  display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.35rem;
}
.ohm-resistor-row input {
  flex: 1; padding: 0.4rem 0.6rem;
  border: 1px solid var(--evvy-border-color);
  border-radius: 8px; font-size: 0.8125rem;
  background: var(--bs-body-bg, #fff); color: var(--evvy-text-primary);
}
.ohm-resistor-row input:focus {
  outline: none; border-color: var(--cluster-dark);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cluster-dark) 15%, transparent);
}
.ohm-resistor-remove {
  width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
  background: none; border: 1px solid var(--evvy-border-color);
  border-radius: 6px; color: var(--evvy-text-secondary); cursor: pointer;
  font-size: 0.75rem; transition: all 0.15s ease;
}
.ohm-resistor-remove:hover { color: #dc3545; border-color: #dc3545; }
.ohm-add-resistor {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.3rem 0.75rem; font-size: 0.75rem; font-weight: 600;
  border: 1.5px dashed var(--cluster-dark); border-radius: var(--bs-border-radius-pill);
  background: none; color: var(--cluster-dark); cursor: pointer;
  transition: all 0.15s ease;
}
.ohm-add-resistor:hover { background: color-mix(in srgb, var(--cluster-dark) 8%, transparent); }
.ohm-sp-results {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 0.75rem;
}
.ohm-sp-card {
  background: var(--cluster-surface, #f8f9fa);
  border: 1px solid var(--evvy-border-color);
  border-radius: var(--evvy-radius-lg, 12px); padding: 0.75rem 1rem;
  text-align: center;
}
.ohm-sp-card-label {
  font-size: 0.625rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.04em; color: var(--evvy-text-secondary);
}
.ohm-sp-card-value {
  font-size: 1.25rem; font-weight: 800; color: var(--cluster-dark, #1A237E);
  margin-top: 0.15rem;
}
.ohm-vdiv-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.75rem;
  margin-top: 0.75rem;
}
.ohm-vdiv-result {
  background: color-mix(in srgb, var(--cluster-dark, #1A237E) 6%, transparent);
  border-radius: var(--evvy-radius-lg, 12px); padding: 0.75rem 1rem;
  text-align: center;
}
.ohm-vdiv-label {
  font-size: 0.625rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.04em; color: var(--evvy-text-secondary);
}
.ohm-vdiv-value {
  font-size: 1.25rem; font-weight: 800; color: var(--cluster-dark, #1A237E);
  margin-top: 0.15rem;
}
.ohm-wire-table {
  width: 100%; border-collapse: collapse; font-size: 0.8125rem; margin-top: 0.75rem;
}
.ohm-wire-table th {
  background: var(--cluster-dark); color: #fff;
  padding: 0.5rem 0.75rem; font-weight: 600;
  font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.04em;
}
.ohm-wire-table th:first-child { text-align: left; border-radius: 8px 0 0 0; }
.ohm-wire-table th:last-child { border-radius: 0 8px 0 0; }
.ohm-wire-table td {
  padding: 0.45rem 0.75rem; text-align: center;
  border-bottom: 1px solid var(--evvy-border-color);
  font-variant-numeric: tabular-nums;
}
.ohm-wire-table td:first-child { text-align: left; font-weight: 500; }
.ohm-wire-table tbody tr:hover { background: color-mix(in srgb, var(--cluster-dark) 4%, transparent); }
[data-bs-theme="dark"] .ohm-formula-card { background: color-mix(in srgb, var(--cluster-dark) 12%, var(--evvy-gray-100, #1E1E1E)); }
[data-bs-theme="dark"] .ohm-sp-card { background: color-mix(in srgb, var(--cluster-dark) 12%, var(--evvy-gray-100, #1E1E1E)); }
[data-bs-theme="dark"] .ohm-vdiv-result { background: color-mix(in srgb, var(--cluster-dark) 15%, var(--evvy-gray-100, #1E1E1E)); }
[data-bs-theme="dark"] .ohm-wire-table th { color: #1a1a2e; }
[data-bs-theme="dark"] .ohm-wheel svg text { fill: var(--evvy-text-primary); }
[data-bs-theme="dark"] .ohm-input-block.is-computed .form-control {
  background: color-mix(in srgb, var(--cluster-dark, #1A237E) 12%, var(--evvy-gray-100, #1E1E1E));
}
@media (max-width: 575.98px) {
  .ohm-input-grid { grid-template-columns: 1fr; }
  .ohm-formula-grid { grid-template-columns: repeat(2, 1fr); }
  .ohm-sp-results { grid-template-columns: 1fr; }
  .ohm-vdiv-grid { grid-template-columns: 1fr; }
}