/* KoNA-specific components */

/* inline highlight spans */
.trig { color: var(--bad); background: var(--bad-tint); border-radius: 3px; padding: 0 2px; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.valid { color: var(--blue); background: var(--blue-tint); border-radius: 3px; padding: 0 2px; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.fix { color: var(--good); font-weight: 600; }
.ans { color: var(--blue); }
.caption .key { display: inline-block; margin-left: 12px; }
.caption .key:first-of-type { margin-left: 8px; }

/* teaser */
.teaser { display: grid; grid-template-columns: var(--teaser-img-w, 300px) minmax(0, 1fr); gap: 28px; margin-top: 34px; align-items: stretch; }
.teaser-img { margin: 0; min-height: 0; }
.teaser-img img { width: 100%; height: 100%; border-radius: var(--radius); object-fit: cover; }
.teaser-qa { display: grid; gap: 18px; }
.qa-panel { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px 12px; }
.qa-q { margin: 0 0 12px; font-size: 18px; font-weight: 600; color: var(--ink); line-height: 1.45; }
.answers { list-style: none; margin: 0; padding: 0; }
.answers li { display: grid; grid-template-columns: 130px minmax(0, 1fr) 24px; gap: 12px; align-items: baseline; padding: 9px 0; border-top: 1px solid var(--line); font-size: 15px; line-height: 1.5; }
.answers .who { font-size: 13px; color: var(--muted); }
.answers li.ours .who { color: var(--accent-ink); font-weight: 600; }
.answers .a { color: var(--ink); }
.mark { justify-self: end; font-weight: 700; font-size: 16px; line-height: 1; }
.mark.ok { color: var(--good); }
.mark.no { color: var(--bad); }
@media (max-width: 820px) {
  .teaser { grid-template-columns: minmax(0, 1fr); }
  .teaser-img img { width: min(100%, 320px); height: auto; margin: 0 auto; aspect-ratio: 720 / 1043; }
}
@media (max-width: 520px) {
  .answers li { grid-template-columns: minmax(0, 1fr) 24px; gap: 2px 10px; }
  .answers .who { grid-column: 1 / -1; }
}

/* task explorer */
.task { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); margin-top: 18px; overflow: hidden; }
.task-img { display: flex; align-items: center; justify-content: center; background: var(--surface); padding: 16px; }
.task-img img { width: 100%; height: auto; object-fit: contain; border-radius: 6px; }
.task-body { padding: 24px 26px 26px; }
.task-def { margin: 0 0 18px; }
.task-exp { margin: 0; color: var(--ink); }
.task-q { display: grid; gap: 14px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.task-q .q { margin: 0; font-size: 17px; line-height: 1.5; color: var(--ink); }
@media (max-width: 820px) {
  .task { grid-template-columns: minmax(0, 1fr); }
  .task-img { padding: 12px; }
}

/* dataset pipeline */
.steps { list-style: none; margin: 34px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; counter-reset: none; }
.steps li { position: relative; padding-top: 18px; border-top: 2px solid var(--ink); }
.steps li:first-child { border-top-color: var(--bad); }
.steps li:nth-child(2) { border-top-color: var(--accent); }
.steps li:last-child { border-top-color: var(--blue); }
.step-n { display: block; margin-bottom: 8px; font: 600 12px/1 var(--mono); color: var(--muted); }
.steps p { margin: 0; font-size: 15.5px; }
@media (max-width: 760px) { .steps { grid-template-columns: minmax(0, 1fr); } }
.sub-block h3 + p { margin-bottom: 4px; }
.sub-block.first { margin-top: 32px; }

/* training stages */
.stages { display: grid; grid-template-columns: minmax(0, 1fr) 32px minmax(0, 1fr); gap: 12px; align-items: stretch; margin-top: 34px; }
.stage { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.stage-num { font-size: 30px; font-weight: 700; color: var(--ink); letter-spacing: -0.02em; line-height: 1.1; }
.stage-num span { font-size: 15px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.stage-arrow { display: grid; place-items: center; color: var(--muted); font-size: 22px; }
.mix { display: flex; height: 26px; margin-top: 14px; border-radius: 4px; overflow: hidden; }
.mix span { display: flex; align-items: center; padding: 0 8px; font-size: 12.5px; font-weight: 600; white-space: nowrap; overflow: hidden; }
.mix-c { background: var(--accent); color: #fff; }
.mix-a { background: var(--blue); }
.mix-s { background: var(--bad); }
.mix-legend { list-style: none; margin: 14px 0 0; padding: 0; font-size: 14px; color: var(--text); display: grid; gap: 4px; }
.swatch { display: inline-block; width: 10px; height: 10px; margin-right: 7px; border-radius: 2px; vertical-align: -1px; }
@media (max-width: 760px) {
  .stages { grid-template-columns: minmax(0, 1fr); }
  .stage-arrow { transform: rotate(90deg); height: 20px; }
}

/* reward */
.reward { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 28px; align-items: center; margin-top: 18px; padding: 22px 26px; }
.reward-math { overflow-x: auto; font-size: 20px; color: var(--ink); }
.reward-math math { font-size: 1em; }
.reward-math mtd { padding: 4px 22px 4px 0; text-align: left; }
.reward-text p { margin: 0 0 8px; font-size: 15px; }
.reward-text .dim { color: var(--muted); margin: 0; }
@media (max-width: 820px) { .reward { grid-template-columns: minmax(0, 1fr); padding: 18px; } }
@media (max-width: 520px) { .reward-math { font-size: 15px; } .reward-math mtd { padding-right: 12px; } }

/* dumbbell chart */
.db-legend { margin: 0; font-size: 13.5px; color: var(--muted); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.db-legend .dot { position: static; transform: none; display: inline-block; margin-left: 6px; }
.dumbbell { margin-top: 22px; }
.db-head, .db-row { display: grid; grid-template-columns: minmax(130px, 200px) minmax(0, 1fr) 96px; gap: 16px; align-items: center; }
.db-head { font-size: 12px; color: var(--muted); padding-bottom: 6px; }
.db-axis { position: relative; height: 14px; }
.db-axis span { position: absolute; transform: translateX(-50%); font-variant-numeric: tabular-nums; }
.db-axis span:first-child { transform: none; }
.db-axis span:last-child { transform: translateX(-100%); }
.db-row { padding: 5px 0; font-size: 14.5px; }
.db-row .name { color: var(--ink); line-height: 1.3; }
.db-row.tuned .name { font-weight: 600; color: var(--accent-ink); }
.db-sep { height: 1px; background: var(--line); margin: 8px 0; }
.db-track { position: relative; height: 22px; background-image: linear-gradient(to right, var(--line) 1px, transparent 1px); background-size: 25% 100%; box-shadow: inset -1px 0 0 var(--line); }
.db-line { position: absolute; top: 10px; height: 2px; background: var(--line-strong); transition: left 0.35s ease, width 0.35s ease; }
.dot { position: absolute; top: 5px; width: 12px; height: 12px; border-radius: 50%; transform: translateX(-50%); transition: left 0.35s ease; }
.dot.single { background: var(--bg); box-shadow: inset 0 0 0 2px var(--ink); }
.dot.comp { background: var(--ink); }
.db-row.tuned .dot.comp { background: var(--accent); }
.db-row.tuned .dot.single { box-shadow: inset 0 0 0 2px var(--accent); }
.db-row .val { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 13.5px; }
.db-row .val b { color: var(--ink); }
@media (max-width: 640px) {
  .db-head, .db-row { grid-template-columns: minmax(0, 1fr) 84px; gap: 4px 12px; }
  .db-row .name { grid-column: 1 / -1; }
  .db-head > span:first-child, .db-head > span:last-child { display: none; }
  .db-head .db-axis { grid-column: 1; }
}

/* main table: highlight tuned rows */
.tbl.narrow { width: auto; min-width: min(100%, 460px); }

.findings { margin-top: 40px; }
.findings p { margin: 0; font-size: 16px; }

/* compact bars (ablation) */
.bars.compact .bar-row { grid-template-columns: minmax(120px, 190px) minmax(0, 1fr) 40px; }
.bars.compact .bar-row .side { display: none; }
@media (max-width: 640px) { .bars.compact .bar-row { grid-template-columns: minmax(0, 1fr) 40px; } }

/* error cards */
.errors { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 22px; }
.err { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.err img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.err-body { padding: 16px 18px 18px; }
.err-q { margin: 0 0 10px; font-size: 14.5px; color: var(--muted); }
.err-q::before { content: "Q  "; font: 600 12px var(--mono); color: var(--muted); }
.err-a { margin: 0 0 12px; font-size: 14.5px; color: var(--ink); }
.err-a::before { content: "A  "; font: 600 12px var(--mono); color: var(--muted); }
.err-a .bad { color: var(--bad); background: var(--bad-tint); border-radius: 3px; padding: 0 2px; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.err-why { margin: 0; padding-top: 10px; border-top: 1px solid var(--line); font-size: 14px; }
@media (max-width: 900px) { .errors { grid-template-columns: minmax(0, 1fr); } .err { flex-direction: row; } .err img { width: 38%; aspect-ratio: auto; } }
@media (max-width: 560px) { .err { flex-direction: column; } .err img { width: 100%; aspect-ratio: 16 / 9; } }