/* Parenting time percentage calculator (/tools/parenting-time-calculator/). Mobile-first; builds on styles.css tokens. */
.pt-hero { padding-block: clamp(2rem, 1.5rem + 3vw, 3.5rem) clamp(1.5rem, 1rem + 2vw, 2.5rem); }
.pt-hero h1 { max-width: 22ch; font-size: clamp(1.75rem, 1.4rem + 2vw, 2.8rem); }
.pt-hero .lede { margin-bottom: 0; }
.pt-section { padding-top: clamp(1.5rem, 1rem + 2vw, 2.5rem); }

.pt-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: clamp(1.1rem, 0.8rem + 2vw, 2rem);
}
.pt-card + .pt-card { margin-top: 1.25rem; }
.pt-card:focus { outline: none; }
.pt-title { font-size: var(--fs-h3); margin: 0 0 0.25rem; }
.pt-subtitle { font-size: 1.05rem; margin: 1.25rem 0 0.6rem; }
.pt-note { margin: 0 0 1rem; font-size: var(--fs-sm); color: var(--muted); }
.pt-label { display: block; font-weight: 650; font-size: var(--fs-sm); margin: 1rem 0 0.4rem; }

.pt-card select, .pt-card input[type="number"] {
  display: block;
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 16px; /* no zoom on iOS */
}
.pt-card select:focus, .pt-card input:focus { outline: none; border-color: var(--indigo); box-shadow: 0 0 0 3px rgba(51, 80, 143, 0.15); }

.pt-grid { display: grid; gap: 0.45rem; margin-top: 0.4rem; }
.pt-week { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 0.3rem; }
.pt-week-label { grid-column: 1 / -1; font-size: var(--fs-xs); font-weight: 650; color: var(--muted); }
.pt-night {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.1rem;
  min-height: 3.1rem; padding: 0.3rem 0.1rem;
  border-radius: var(--radius); border: 1.5px solid var(--line-strong);
  font: inherit; cursor: pointer; line-height: 1.1;
}
.pt-night:focus-visible { outline: 3px solid var(--indigo); outline-offset: 2px; }
.pt-day { font-size: var(--fs-xs); font-weight: 650; }
.pt-who { font-size: 0.72rem; }
.pt-a { background: #e8edf7; color: #1f3563; border-color: #b9c6e2; }
.pt-b { background: #fff3e0; color: #7a4a06; border-color: #f0cf9a; }
.pt-legend { display: flex; flex-wrap: wrap; gap: 0.9rem; margin: 0.6rem 0 0; font-size: var(--fs-xs); color: var(--muted); }
.pt-legend span::before { content: ""; display: inline-block; width: 0.8rem; height: 0.8rem; border-radius: 3px; margin-right: 0.35rem; vertical-align: -0.1rem; border: 1px solid var(--line-strong); }
.pt-legend .pt-key-a::before { background: #e8edf7; }
.pt-legend .pt-key-b::before { background: #fff3e0; }

.pt-two { display: grid; grid-template-columns: 1fr; gap: 0 1rem; }
@media (min-width: 560px) { .pt-two { grid-template-columns: 1fr 1fr; } }
.pt-submit { width: 100%; margin-top: 1.25rem; }
@media (min-width: 560px) { .pt-submit { width: auto; } }

.pt-totals { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin: 0.75rem 0; }
.pt-total { border-radius: var(--radius); padding: 0.8rem; }
.pt-total.pt-a, .pt-total.pt-b { border-width: 1.5px; border-style: solid; }
.pt-total strong { display: block; font-size: clamp(1.6rem, 1.2rem + 2vw, 2.2rem); line-height: 1.1; }
.pt-total span { font-size: var(--fs-sm); }
.pt-bar { height: 0.7rem; border-radius: 999px; background: #fff3e0; border: 1px solid #f0cf9a; overflow: hidden; }
.pt-bar div { height: 100%; background: #5f7bbd; transition: width 0.2s; }
.pt-cycle { font-size: var(--fs-sm); color: var(--muted); margin: 0.6rem 0 0; }
.pt-next { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.pt-next ul { padding-left: 1.1rem; }
.pt-next li { margin: 0.35rem 0; }
.pt-explain { margin-top: 1rem; }
.pt-patterns li { margin: 0.4rem 0; }