/* Unit-Aware Equation Solver — tool-specific styles */

.ueq-equation-input {
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  letter-spacing: 0.02em;
  background: color-mix(in srgb, var(--cluster-dark, #1A237E) 4%, var(--bs-body-bg, #fff));
  border-left: 3px solid var(--cluster-dark, #1A237E);
  border-right: 3px solid var(--cluster-dark, #1A237E);
}
.ueq-equation-input:focus {
  border-color: var(--cluster-dark, #1A237E);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--cluster-dark, #1A237E) 25%, transparent);
}

.ueq-examples {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  margin-top: 0.55rem;
  align-items: center;
}
.ueq-example {
  padding: 0.25rem 0.55rem;
  background: transparent;
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  border-radius: 0.4rem;
  font-size: 0.75rem;
  color: var(--evvy-text-secondary, #777);
  cursor: pointer;
  transition: all 180ms ease;
}
.ueq-example:hover {
  color: var(--cluster-dark, #1A237E);
  border-color: var(--cluster-dark, #1A237E);
}

/* Variable rows */
.ueq-vars {
  display: flex; flex-direction: column;
  gap: 0.45rem;
  margin-top: 0.4rem;
}
.ueq-var-row {
  display: grid;
  grid-template-columns: 56px 1fr 110px auto;
  gap: 0.5rem;
  align-items: center;
}
@media (max-width: 575.98px) {
  .ueq-var-row { grid-template-columns: 50px 1fr 90px; }
  .ueq-radio { grid-column: 1 / -1; }
}
.ueq-var-name {
  background: var(--cluster-surface, #E8EAF6);
  color: var(--cluster-dark, #1A237E);
  border-radius: 0.4rem;
  padding: 0.4rem 0.5rem;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-weight: 700;
  font-size: 0.95rem;
  text-align: center;
}
.ueq-radio {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-size: 0.75rem; cursor: pointer; user-select: none;
  color: var(--evvy-text-secondary, #777);
}

/* Result sub */
.ueq-result-sub {
  margin-top: 0.4rem;
  font-size: 0.8rem;
  color: var(--evvy-text-secondary, #777);
  font-variant-numeric: tabular-nums;
}

/* Dimension banner */
.ueq-dim-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 0.85rem;
  border-left: 4px solid currentColor;
  font-size: 0.875rem;
  line-height: 1.5;
}
.ueq-dim-banner i { font-size: 1.4rem; flex-shrink: 0; }
.ueq-dim-banner strong { display: block; margin-bottom: 0.1rem; }
.ueq-dim-ok {
  background: color-mix(in srgb, #2E7D32 12%, transparent);
  color: #2E7D32;
}
.ueq-dim-err {
  background: color-mix(in srgb, #C62828 12%, transparent);
  color: #C62828;
}
[data-bs-theme="dark"] .ueq-dim-ok  { background: color-mix(in srgb, #66BB6A 18%, #1a1a1a); color: #81C784; }
[data-bs-theme="dark"] .ueq-dim-err { background: color-mix(in srgb, #EF5350 18%, #1a1a1a); color: #EF5350; }

/* Steps card */
.ueq-steps-card {
  margin-top: 1rem;
  padding: 0.95rem 1.1rem;
  background: var(--bs-body-bg, #fff);
  border-radius: 0.85rem;
  border: 1px solid var(--evvy-border-color, #DEE2E6);
}
.ueq-steps-header {
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--cluster-dark, #1A237E);
  margin-bottom: 0.55rem;
}
.ueq-steps {
  padding-left: 1.4rem;
  font-size: 0.85rem; line-height: 1.65;
  color: var(--evvy-text, #1e293b);
}
.ueq-steps code {
  background: color-mix(in srgb, var(--cluster-dark, #1A237E) 8%, transparent);
  color: var(--cluster-dark, #1A237E);
  padding: 0.1rem 0.3rem; border-radius: 0.25rem;
  font-size: 0.825rem;
}
.ueq-steps ul { padding-left: 1.2rem; margin: 0.3rem 0; }
[data-bs-theme="dark"] .ueq-steps-card { background: color-mix(in srgb, var(--cluster-dark, #1A237E) 6%, #1a1a1a); }
[data-bs-theme="dark"] .ueq-steps code { background: color-mix(in srgb, var(--cluster-dark, #1A237E) 14%, #1a1a1a); }

/* Pro blocks */
.ueq-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);
}
.ueq-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;
}
.ueq-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);
}
.ueq-pro-tease i.bi-lock-fill { display: block; font-size: 1.25rem; margin-bottom: 0.3rem; color: var(--evvy-subscriber-color, #b97a30); }
.ueq-pro-tease .evvy-premium-badge { display: inline-block; margin-top: 0.45rem; text-decoration: none; }
[data-bs-theme="dark"] .ueq-pro-block { background: color-mix(in srgb, var(--cluster-dark, #1A237E) 6%, #1a1a1a); }
[data-bs-theme="dark"] .ueq-pro-tease { background: color-mix(in srgb, var(--cluster-dark, #1A237E) 14%, #1a1a1a); }

.ueq-sens {
  display: flex; flex-direction: column; gap: 0.3rem;
}
.ueq-sens-row {
  display: flex; justify-content: space-between;
  padding: 0.4rem 0.6rem;
  background: color-mix(in srgb, var(--cluster-dark, #1A237E) 5%, transparent);
  border-radius: 0.45rem;
  font-size: 0.875rem;
}
.ueq-sens-row strong { font-variant-numeric: tabular-nums; }
.ueq-sens-row .ueq-strong { color: var(--cluster-dark, #1A237E); }

.ueq-custom-list { display: flex; flex-direction: column; gap: 0.3rem; }
.ueq-custom-item {
  display: flex; justify-content: space-between; align-items: center;
  background: color-mix(in srgb, var(--cluster-dark, #1A237E) 5%, transparent);
  padding: 0.35rem 0.6rem;
  border-radius: 0.45rem;
  font-size: 0.8rem;
}