/* Practice drills on /latihan/<id> (public/assets/js/drills/). */
.drill { display: grid; gap: 14px; padding: 22px; }
.drill-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.drill-head strong { font-size: 1.1rem; }
.drill-aside { color: var(--muted); font-size: .9rem; font-variant-numeric: tabular-nums; }
.drill p { margin: 0; }
.drill-options { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.drill-label { font-weight: 600; font-size: .9rem; margin-right: 4px; }
.chip {
  display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border: 1px solid var(--border);
  border-radius: 999px; background: var(--surface); font: inherit; font-size: .92rem; cursor: pointer;
}
.chip:hover { border-color: var(--primary); }
.chip.on { background: var(--primary); border-color: var(--primary); color: #fff; }
.chip-op { min-width: 46px; justify-content: center; font-size: 1.1rem; font-weight: 700; }
.drill .btn { justify-self: start; }
.drill .actions-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.drill label.check { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; font-weight: 500; }
.drill-timer { height: 6px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.drill-timer span { display: block; height: 100%; background: var(--accent); transition: width 1s linear; }
.drill-question { font-size: clamp(1.6rem, 6vw, 2.4rem); font-weight: 800; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.drill-series { word-spacing: .15em; }
.drill-qa { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.drill-qa .drill-question { flex-basis: 100%; }
.drill-input { width: min(260px, 100%) !important; font-size: 1.4rem !important; font-weight: 700; text-align: center; }
.drill-feedback { min-height: 1.4em; font-weight: 600; }
.drill-feedback.ok { color: var(--success); }
.drill-feedback.bad { color: var(--danger); }
.drill-choices { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.drill-choice {
  min-height: 52px; padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius-small);
  background: var(--surface); font: inherit; font-size: 1.1rem; font-weight: 600; cursor: pointer;
}
.drill-choice:hover:not(:disabled) { border-color: var(--primary); background: #f5f8fb; }
.drill-choice.is-correct { border-color: var(--success); background: var(--success-bg); color: var(--success); }
.drill-choice.is-wrong { border-color: var(--danger); background: var(--danger-bg); color: var(--danger); }
.drill-choice.is-dim { opacity: .55; }
.drill-explain { display: grid; gap: 8px; padding: 14px 16px; border-radius: var(--radius-small); background: var(--surface-2); }
.drill-summary { display: grid; justify-items: center; gap: 10px; padding: 12px 0; text-align: center; }
.drill-summary .btn { justify-self: center; }
.drill-big { font-size: 3rem; font-weight: 800; color: var(--primary); line-height: 1; }
.wrap { flex-wrap: wrap; }

.flashcard {
  display: grid; place-items: center; align-content: center; gap: 8px; min-height: 240px; padding: 24px;
  border: 1px solid var(--border); border-radius: 16px; background: linear-gradient(180deg, #fff, #f6f8fb);
  font: inherit; text-align: center; cursor: pointer; box-shadow: var(--shadow);
}
.flashcard:hover { border-color: var(--primary); }
.flashcard-word { font-size: clamp(1.8rem, 7vw, 2.6rem); font-weight: 800; color: var(--primary); }
.flashcard-pos { font-style: italic; color: var(--muted); }
.flashcard-meaning { font-size: 1.2rem; font-weight: 600; }
.flashcard-example { max-width: 46ch; color: var(--muted); }
.flashcard-hint { color: var(--muted); font-size: .9rem; }
.flashcard.is-flipped { background: #fff; border-color: var(--accent); }

.kraepelin-stage { display: grid; grid-template-columns: 120px 1fr; gap: 24px; align-items: center; }
.kraepelin-column { list-style: none; margin: 0; padding: 8px 0; display: grid; gap: 2px; justify-items: center; border: 1px solid var(--border); border-radius: var(--radius-small); background: #fffdf6; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.kraepelin-column li { width: 52px; text-align: center; font-size: 1.5rem; line-height: 1.5; color: var(--text); border-radius: 6px; }
.kraepelin-column li.is-pair { background: var(--primary); color: #fff; font-weight: 800; }
.kraepelin-column li.is-done { color: #b8c0cc; }
.kraepelin-pad { display: grid; grid-template-columns: repeat(5, minmax(48px, 1fr)); gap: 10px; }
.pad-key { min-height: 58px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); font: inherit; font-size: 1.5rem; font-weight: 700; cursor: pointer; }
.pad-key:active { background: var(--surface-2); transform: translateY(1px); }
@media (max-width: 520px) { .kraepelin-stage { grid-template-columns: 90px 1fr; gap: 14px; } .kraepelin-pad { grid-template-columns: repeat(3, 1fr); } }
.kraepelin-result { display: grid; gap: 16px; }
.kraepelin-result .btn { justify-self: start; }
.stat-row { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.stat-row > div { display: grid; gap: 2px; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-small); }
.stat-row .label { font-size: .8rem; color: var(--muted); }
.stat-row strong { font-size: 1.6rem; color: var(--primary); }
.kraepelin-chart { display: flex; align-items: flex-end; gap: 4px; height: 140px; padding: 8px; border-bottom: 1px solid var(--border); }
.kraepelin-chart span { flex: 1; min-width: 4px; background: var(--primary); border-radius: 3px 3px 0 0; opacity: .85; }