/* Learn: Grades explained (src/learn/grades.njk). Prefix: gr- */

/* ---------- the scale ---------- */
.gr-scale { display: flex; flex-direction: column; gap: 10px; }
.gr-scale__row {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 18px;
  padding: 14px 18px 14px 14px; border-radius: 18px; background: var(--card); border: 2px solid var(--line-3);
  box-shadow: var(--sh-card-in);
}
.gr-scale__row.k-S { border-color: var(--k-bd); box-shadow: var(--sh-card-in), var(--k-glow); }
.gr-scale__main { min-width: 0; }
.gr-scale__name { font: 400 18px/1.15 var(--f-display); color: var(--ink); }
.pg-prose .gr-scale__desc { margin-top: 4px; font-size: 15px; line-height: 1.45; color: var(--ink-2); }
.gr-scale__meta { display: flex; flex-direction: column; align-items: flex-end; gap: 7px; text-align: right; }
.gr-scale__band { font: 400 13px/1 var(--f-mono); color: var(--k-tc); white-space: nowrap; }
.gr-scale__count { font: 400 11px/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); white-space: nowrap; }

/* ---------- worked example ---------- */
.gr-ex__head { display: flex; align-items: center; gap: 14px; }
.gr-ex__title { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.gr-ex__title strong { font-size: 17px; line-height: 1.3; }
.gr-ex__title span { font: 400 12px/1.3 var(--f-mono); letter-spacing: .04em; color: var(--ink-3); }
.gr-ex__head + .gr-steps { margin-top: 18px; } /* clears the tile's 3D shadow */
.gr-steps { margin: 0; padding: 4px 18px; border-radius: 14px; background: var(--bg-inset); border: 2px solid var(--line-2); font: 400 14px/1.55 var(--f-mono); color: var(--ink); }
.gr-steps > div { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 14px; padding: 10px 0; }
.gr-steps > div + div { border-top: 1px solid var(--line-1); }
.gr-steps dt { padding-top: 3px; font-size: 10.5px; line-height: 1.4; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.gr-steps dd { margin: 0; min-width: 0; }
.gr-steps b { font-weight: 400; }
.gr-steps .c { color: var(--ink-3); white-space: nowrap; }
.gr-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.gr-chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 9px;
  background: var(--bg-inset); border: 1px solid var(--line-2); font: 400 12.5px/1 var(--f-mono); color: var(--ink);
}
.gr-chip span { font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }

/* ---------- today: stats + histogram ---------- */
.gr-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.gr-stat {
  display: flex; flex-direction: column; gap: 8px; padding: 16px 18px; border-radius: 16px;
  background: var(--bg-1); border: 2px solid var(--line-3);
}
.gr-stat__num { font: 400 clamp(24px, 2.2vw, 32px)/1 var(--f-display); color: var(--ink); }
.gr-stat__label { font: 400 11px/1.3 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }

.gr-hist { margin-left: 0; margin-right: 0; padding: 20px 20px 18px; }
.gr-hist__cap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.gr-hist__bars, .gr-hist__axis, .gr-hist__bands { display: grid; grid-template-columns: repeat(13, minmax(0, 1fr)); gap: 6px; }
.gr-hist__bars { margin-top: 18px; height: 170px; align-items: end; border-bottom: 2px solid var(--line-3); }
.gr-hist__col { height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 6px; min-width: 0; }
.gr-hist__col i { display: block; width: 100%; border-radius: 6px 6px 2px 2px; background: var(--k-bar); box-shadow: inset 0 2px 0 rgba(255, 255, 255, .25); }
.gr-hist__n { font: 400 10.5px/1 var(--f-mono); color: var(--ink-3); }
.gr-hist__axis { margin-top: 8px; }
.gr-hist__axis span { text-align: left; font: 400 10.5px/1 var(--f-mono); color: var(--ink-3); transform: translateX(-3px); }
.gr-hist__axis span:last-child { text-align: center; transform: none; }
.gr-hist__bands { margin-top: 12px; }
.gr-hist__bands span {
  display: grid; place-items: center; height: 24px; border-radius: 7px;
  background: color-mix(in srgb, var(--k-solid) 16%, transparent); border: 1px solid var(--k-bd);
  font: 400 12px/1 var(--f-varsity); color: var(--k-tc);
}

/* ---------- events ---------- */
.gr-events { display: flex; flex-direction: column; gap: 10px; }
.gr-event {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: start; gap: 16px;
  padding: 16px 18px 16px 16px; border-radius: 16px; background: var(--bg-1); border: 2px solid var(--line-3);
  font-size: 15px; line-height: 1.5;
}
.gr-event code { white-space: nowrap; }
.gr-event strong { display: block; margin-bottom: 2px; font-size: 16px; }
.gr-event__n { padding-top: 3px; font: 400 11px/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--k-tc); white-space: nowrap; }

/* ---------- leagues ---------- */
.gr-leagues { border-radius: 18px; border: 2px solid var(--line-3); background: var(--bg-1); overflow: hidden; }
.gr-league { display: grid; grid-template-columns: 150px auto minmax(0, 1fr); align-items: center; gap: 18px; padding: 14px 18px; }
.gr-league + .gr-league { border-top: 2px solid var(--line-1); }
.gr-league__name { font: 400 14px/1.1 var(--f-varsity); letter-spacing: .02em; color: var(--ink); }
.gr-league__tiles { display: flex; gap: 6px; }
.gr-league__tiles .grade { box-shadow: none; }
.gr-league__label { justify-self: end; font: 400 12px/1 var(--f-mono); color: var(--ink-3); white-space: nowrap; }
.gr-off {
  display: inline-grid; place-items: center; width: 30px; height: 30px; flex: none; border-radius: 9px;
  background: var(--bg-inset); border: 2px dashed var(--line-4);
}

/* locked play demo (grade visible, the rest blurred, centered lock pill) */
.gr-lock {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 14px;
  padding: 14px 18px 14px 14px; border-radius: 16px; background: var(--card); border: 2px solid var(--line-3); box-shadow: var(--sh-card-in);
}
.gr-lock__text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.gr-lock__text strong { font-size: 15.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gr-lock__text span { font: 400 11.5px/1.3 var(--f-mono); color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gr-lock__ev { font: 400 15px/1 var(--f-mono); color: var(--green); }
.pg-prose .gr-lock .lock-pill { color: var(--gold-soft); text-decoration: none; }
.pg-prose .gr-lock .lock-pill:hover { color: #fff; }

/* ---------- sizing: two plays side by side ---------- */
.gr-vs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.gr-vs__card {
  display: flex; flex-direction: column; gap: 10px; padding: 16px; border-radius: 16px;
  background: var(--card); border: 2px solid var(--k-bd); box-shadow: var(--sh-card-in);
}
.gr-vs__head { display: flex; align-items: center; gap: 12px; min-width: 0; }
.gr-vs__head > span:last-child { display: flex; flex-direction: column; gap: 3px; min-width: 0; font: 400 12px/1.3 var(--f-mono); color: var(--ink-3); }
.gr-vs__head strong { font: 700 16px/1.25 var(--f-body); color: var(--ink); }
.gr-vs__math { padding: 8px 10px; border-radius: 9px; background: var(--bg-inset); border: 1px solid var(--line-2); font: 400 13px/1.3 var(--f-mono); color: var(--ink-2); }
.gr-vs__row { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font: 400 13px/1 var(--f-mono); color: var(--ink-3); }
.gr-vs__row strong { font: 400 22px/1 var(--f-display); color: var(--k-tc); }

/* ---------- keep going ---------- */
.gr-next { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); gap: 12px; }
.pg-prose a.gr-next__card {
  display: flex; flex-direction: column; gap: 6px; padding: 16px; border-radius: 16px;
  background: var(--card); border: 2px solid var(--line-3); box-shadow: var(--sh-panel);
  color: var(--ink-2); text-decoration: none; font-size: 14.5px; line-height: 1.45;
  transition: border-color .15s, transform .15s;
}
.pg-prose a.gr-next__card:hover { border-color: var(--steel); color: var(--ink-2); transform: translateY(-2px); }
.gr-next__card strong { font: 400 17px/1.2 var(--f-display); color: var(--ink); }
.gr-next__card .label { color: var(--steel-soft); }

/* ---------- small screens ---------- */
@media (max-width: 640px) {
  .gr-scale__row { grid-template-columns: auto minmax(0, 1fr); gap: 14px; padding: 14px; align-items: start; }
  .gr-scale__meta { grid-column: 2; flex-direction: row; justify-content: space-between; align-items: center; margin-top: -4px; }
  .gr-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .gr-stat { padding: 12px; }
  .gr-stat__label { font-size: 9.5px; letter-spacing: .06em; }
  .gr-hist { padding: 16px 14px 14px; }
  .gr-hist__bars, .gr-hist__axis, .gr-hist__bands { gap: 3px; }
  .gr-hist__n { font-size: 9px; }
  .gr-hist__axis span { font-size: 9.5px; }
  .gr-event { grid-template-columns: auto minmax(0, 1fr); gap: 14px; }
  .gr-event__n { grid-column: 2; padding-top: 0; }
  .gr-league { grid-template-columns: minmax(0, 1fr) auto; gap: 10px 12px; padding: 14px; }
  .gr-league__tiles { grid-column: 1 / -1; grid-row: 2; }
  .gr-lock { gap: 12px; padding: 12px; }
  .gr-vs { grid-template-columns: minmax(0, 1fr); }
  .gr-steps { padding: 2px 14px; font-size: 13px; }
  .gr-steps > div { grid-template-columns: minmax(0, 1fr); gap: 2px; padding: 9px 0; }
  .gr-next { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .pg-prose a.gr-next__card { padding: 13px; font-size: 13px; line-height: 1.4; }
  .gr-next__card strong { font-size: 15px; }
}