/* D16-A reading-time tool styles. Extends the GoScript palette and controls;
   all colors reuse site.css custom properties so contrast follows the site. */

.pacing-tool { border-block-start: 1px solid var(--border); padding-block: 3rem; }
.pacing-tool h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); line-height: 1.2; letter-spacing: -0.025em; margin: 0 0 2rem; }

.pacing-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 2.5rem; align-items: start; }
.pacing-input label, .pacing-output h3 { font-weight: 750; margin-block-end: 0.6rem; }
.pacing-output h3 { font-size: 1.15rem; margin-block-start: 0; }
.pacing-hint { color: var(--muted); font-size: 0.88rem; margin-block: 0.4rem 1.2rem; }

.pacing-input textarea {
  inline-size: 100%;
  min-block-size: 14rem;
  resize: vertical;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  color: var(--ink);
  background: var(--surface);
  font: inherit;
  line-height: 1.6;
}
.pacing-input textarea:focus-visible { outline: 0.2rem solid var(--focus); outline-offset: 0.2rem; }

.pacing-presets { border: 1px solid var(--border); border-radius: 0.9rem; padding: 0.9rem 1rem 1rem; margin-block: 0 1.2rem; }
.pacing-presets legend { font-weight: 750; padding-inline: 0.4rem; }
.pacing-presets .preset {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-block-size: 2.4rem;
  padding: 0.35rem 0.9rem;
  margin: 0.35rem 0.4rem 0 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--ink);
  background: var(--surface-raised);
  cursor: pointer;
}
.pacing-presets .preset { position: relative; }
.pacing-presets .preset:has(input:checked) { border-color: var(--teal); background: rgb(32 196 178 / 0.14); font-weight: 750; }
.pacing-presets .preset:has(input:checked)::after { content: ""; inline-size: 0.55rem; block-size: 0.55rem; border-radius: 50%; background: var(--teal); }
.pacing-presets .preset:has(input:focus-visible) { outline: 0.2rem solid var(--focus); outline-offset: 0.2rem; }
.pacing-presets .preset input { position: absolute; inset: 0; margin: 0; opacity: 0; cursor: pointer; }

.pacing-input input[type="number"] {
  inline-size: min(100%, 16rem);
  min-block-size: 2.6rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  color: var(--ink);
  background: var(--surface);
  font: inherit;
}
.pacing-input input[type="number"]:focus-visible { outline: 0.2rem solid var(--focus); outline-offset: 0.2rem; }
.pacing-input input[aria-invalid="true"] { border-color: var(--danger); }

.pacing-summary { font-size: 1.25rem; font-weight: 750; margin-block: 0 1.2rem; }
.pacing-summary strong { color: var(--teal-soft); font-weight: 800; }

.pacing-output table { inline-size: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.pacing-output caption { text-align: start; color: var(--muted); font-size: 0.88rem; padding-block-end: 0.6rem; }
.pacing-output th { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; text-align: start; padding: 0.5rem 0.6rem; border-block-end: 1px solid var(--border); }
.pacing-output td { padding: 0.6rem; border-block-end: 1px solid var(--border); vertical-align: top; }
.pacing-output td:first-child { color: var(--ink); overflow-wrap: anywhere; }
.pacing-output td:not(:first-child) { color: var(--muted); white-space: nowrap; }
#pacing-empty td { color: var(--muted); }

.pacing-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-block-start: 1.6rem; }
.pacing-actions .pacing-hint { margin: 0; flex-basis: 100%; }
.pacing-actions button {
  display: inline-flex;
  min-block-size: 2.85rem;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.05rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-weight: 800;
  line-height: 1.15;
  cursor: pointer;
}
#pacing-download { color: #04120f; background: var(--teal); box-shadow: 0 0.75rem 2rem rgb(32 196 178 / 0.15); }
#pacing-download:hover { background: var(--teal-soft); }
#pacing-download:disabled { color: var(--muted); background: var(--surface-raised); box-shadow: none; cursor: not-allowed; }
#pacing-clear { color: var(--ink); background: transparent; border-color: var(--border); }
#pacing-clear:hover { border-color: var(--teal); }

.pacing-method { color: var(--muted); max-inline-size: 70ch; margin-block: 2.5rem 0 0; padding-block-start: 1.6rem; border-block-start: 1px solid var(--border); }
.pacing-continue p { color: var(--muted); max-inline-size: 70ch; margin-block: 0 0; }
.pacing-continue .hero-actions { margin-block-start: 1.4rem; }

@media (max-width: 880px) {
  .pacing-grid { grid-template-columns: 1fr; gap: 2rem; }
}