/* Pipe Flow Calculator — tool-specific styles */

.pf-fluid-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-top: 0.5rem;
}
@media (max-width: 767.98px) { .pf-fluid-grid { grid-template-columns: repeat(2, 1fr); } }
.pf-fluid-chip {
  padding: 0.55rem 0.5rem;
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  background: var(--bs-body-bg, #fff);
  border-radius: 0.55rem;
  font-size: 0.82rem; font-weight: 600;
  color: var(--evvy-text-secondary, #555);
  cursor: pointer; transition: all 180ms ease;
}
.pf-fluid-chip:hover {
  border-color: var(--cluster-dark, #1A237E);
  color: var(--cluster-dark, #1A237E);
  transform: translateY(-1px);
}
.pf-fluid-chip.pf-active {
  background: var(--cluster-dark, #1A237E);
  color: var(--cluster-text, #fff);
  border-color: var(--cluster-dark, #1A237E);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--cluster-dark, #1A237E) 25%, transparent);
}

.pf-custom-fluid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 0.55rem;
}
@media (max-width: 575.98px) { .pf-custom-fluid { grid-template-columns: 1fr; } }

.pf-geo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 0.5rem;
}
@media (max-width: 575.98px) { .pf-geo-grid { grid-template-columns: 1fr; } }

.pf-flow-group { max-width: 220px; margin-top: 0.45rem; }

.pf-fittings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.4rem;
  margin-top: 0.5rem;
}
@media (max-width: 575.98px) { .pf-fittings-grid { grid-template-columns: 1fr; } }
.pf-fitting-row {
  display: grid;
  grid-template-columns: 1fr 70px;
  gap: 0.5rem;
  align-items: center;
  padding: 0.4rem 0.6rem;
  background: color-mix(in srgb, var(--cluster-dark, #1A237E) 4%, transparent);
  border-radius: 0.45rem;
  font-size: 0.8rem;
}
.pf-fitting-row input {
  padding: 0.25rem 0.45rem;
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  border-radius: 0.35rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
  background: var(--bs-body-bg, #fff);
  color: var(--evvy-text, #1e293b);
}
.pf-eff-slider { margin-top: 0.5rem; }

.pf-result-sub {
  margin-top: 0.3rem;
  font-size: 0.78rem; font-weight: 600;
  color: var(--evvy-text-secondary, #777);
}
.pf-flag-laminar { color: #2E7D32; }
.pf-flag-trans   { color: #EF6C00; }
.pf-flag-turb    { color: #C62828; }

.pf-detail-card {
  margin-top: 1rem;
  padding: 0.95rem 1.1rem;
  border-radius: 0.85rem;
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  background: var(--bs-body-bg, #fff);
}
.pf-detail-header {
  display: flex; align-items: center; gap: 0.45rem;
  font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--cluster-dark, #1A237E);
  margin-bottom: 0.55rem;
}
.pf-detail-row {
  display: flex; justify-content: space-between;
  padding: 0.35rem 0;
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
  border-bottom: 1px dashed color-mix(in srgb, var(--evvy-border-color, #DEE2E6) 70%, transparent);
}
.pf-detail-row:last-child { border-bottom: none; }
.pf-detail-row strong { color: var(--cluster-dark, #1A237E); }

[data-bs-theme="dark"] .pf-detail-card { background: color-mix(in srgb, var(--cluster-dark, #1A237E) 6%, #1a1a1a); }

.pf-pro-block {
  margin-top: 1.1rem;
  padding: 1rem 1.15rem;
  border-radius: 0.85rem;
  border: 1px solid color-mix(in srgb, var(--cluster-dark, #1A237E) 14%, transparent);
  background: var(--bs-body-bg, #fff);
}
.pf-pro-header {
  font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--cluster-dark, #1A237E);
  margin-bottom: 0.6rem;
}
.pf-pro-tease {
  padding: 0.85rem 1rem;
  background: var(--cluster-surface, #E8EAF6);
  border-radius: 0.65rem;
  font-size: 0.85rem; text-align: center; line-height: 1.55;
  color: var(--evvy-text-secondary, #555);
}
.pf-pro-tease i.bi-lock-fill { display: block; font-size: 1.25rem; margin-bottom: 0.3rem; color: var(--evvy-subscriber-color, #b97a30); }
.pf-pro-tease .evvy-premium-badge { display: inline-block; margin-top: 0.45rem; text-decoration: none; }
[data-bs-theme="dark"] .pf-pro-block { background: color-mix(in srgb, var(--cluster-dark, #1A237E) 6%, #1a1a1a); }
[data-bs-theme="dark"] .pf-pro-tease { background: color-mix(in srgb, var(--cluster-dark, #1A237E) 14%, #1a1a1a); }

.pf-pump-input { font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: 0.82rem; }
.pf-pump-result { font-size: 0.85rem; }