/* Login */
.login { justify-content: center; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 14px; font-weight: 600; color: var(--color-muted); }
.input {
  height: 56px;
  padding: 0 16px;
  border-radius: var(--radius-control);
  background: var(--color-surface);
  border: 2px solid var(--color-line);
  color: var(--color-text);
  font-size: 18px;
  font-weight: 500;
  width: 100%;
}
.input:focus { border-color: var(--color-accent); outline: none; }

/* Home */
.home-head { display: flex; justify-content: space-between; align-items: flex-end; }
.chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  font-size: 14px;
  font-weight: 600;
}
.chip .icon { width: 16px; height: 16px; color: var(--color-accent); }
.due { display: flex; align-items: baseline; gap: 8px; }
.due-count, .big-number { font-size: 52px; font-weight: 800; line-height: 1; color: var(--color-accent); letter-spacing: -0.02em; }
.mini-strip { display: flex; gap: 6px; padding: 10px; border-radius: 14px; background: var(--color-panel); }
.mini-strip .insignia { width: 26px; }
.lesson-link { display: flex; flex-direction: column; gap: 10px; }
.lesson-link .title { font-size: 21px; font-weight: 800; letter-spacing: -0.02em; }
.segments { display: flex; gap: 6px; }
.segments span { flex: 1; height: 6px; border-radius: 3px; background: var(--color-line); }
.segments span.on { background: var(--color-accent); }
.tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.tile { display: flex; flex-direction: column; gap: 8px; min-height: 116px; border-radius: var(--radius-card-lg); }
.tile .icon { width: 24px; height: 24px; color: var(--color-accent); }
.tile .title { font-size: 18px; font-weight: 800; letter-spacing: -0.02em; }

/* Top bar of lessons, reviews, duels, exams */
.topbar { display: flex; align-items: center; gap: 12px; }
.round {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--tap);
  height: var(--tap);
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
}
.round .icon { width: 20px; height: 20px; }
.q-count, .clock { font-size: 14px; font-weight: 600; color: var(--color-muted); white-space: nowrap; }
.clock { font-variant-numeric: tabular-nums; color: var(--color-text); }
progress.bar {
  flex: 1;
  height: 6px;
  border: none;
  border-radius: 3px;
  background: var(--color-line);
  appearance: none;
  -webkit-appearance: none;
  overflow: hidden;
}
progress.bar::-webkit-progress-bar { background: var(--color-line); }
progress.bar::-webkit-progress-value { background: var(--color-accent); border-radius: 3px; }
progress.bar::-moz-progress-bar { background: var(--color-accent); border-radius: 3px; }

/* Lesson */
.views { align-items: flex-end; flex-wrap: wrap; gap: 20px; }
.view { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.view .caption { font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-on-panel-muted); }
.views .insignia-shoulder { width: 78px; }
.views .insignia-chest { width: 96px; }
.name-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; }
.badge {
  flex: none;
  padding: 6px 12px;
  border-radius: 10px;
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.facts { padding: 4px 16px; }
.fact { min-height: 42px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.fact + .fact { border-top: 1px solid var(--color-line); }
.fact .value { font-weight: 700; text-align: right; }

/* Questions */
.question { flex: 1; display: flex; flex-direction: column; gap: 14px; }
.q-head { display: flex; flex-direction: column; gap: 6px; }
.q-prompt { font-size: 26px; }
.q-prompt.long { font-size: 22px; line-height: 1.15; }
.q-subject { font-size: 34px; }
.q-insignia .insignia-shoulder { width: 118px; }
.q-insignia .insignia-chest { width: 150px; }
.q-insignia.compact .insignia-shoulder { width: 84px; }
.q-insignia.compact .insignia-chest { width: 110px; }
.choices { display: flex; flex-direction: column; gap: 10px; }
.choice {
  min-height: 54px;
  padding: 8px 18px;
  border-radius: var(--radius-control);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  color: var(--color-text);
  font-size: 17px;
  font-weight: 500;
  text-align: left;
}
.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.choice-insignia {
  min-height: 150px;
  padding: 14px;
  border-radius: var(--radius-card-lg);
  background: var(--color-panel);
  border: 3px solid var(--color-panel);
  display: flex;
  align-items: center;
  justify-content: center;
}
.choice-insignia .insignia-shoulder { width: 60px; }
.choice-insignia .insignia-chest { width: 96px; }
.who {
  align-self: flex-start;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--color-on-panel);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 600;
}
.claim { font-size: 24px; }
.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.two .button { min-height: 72px; font-size: 22px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.04em; }

.match { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 12px 14px; }
.match-item, .match-label { min-height: 84px; border-radius: 18px; }
.match-item {
  background: var(--color-panel);
  border: 3px solid var(--color-panel);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
}
.match-item .insignia-chest { width: 60px; }
.match-item .insignia-shoulder { width: 28px; }
.match-item[aria-pressed="true"] { border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-bg), 0 0 0 5px var(--color-accent); }
.match-label { padding: 8px 16px; background: var(--color-surface); border: 1px solid var(--color-line); font-size: 16px; font-weight: 500; text-align: left; }
.match-item.paired, .match-label.paired { opacity: 0.7; border-color: var(--color-correct); }
.match-label.paired { background: var(--color-correct-bg); color: var(--color-correct-text); font-weight: 700; }
.match-item.missed, .match-label.missed { border-color: var(--color-wrong); }
.match-label.missed { background: var(--color-wrong-bg); color: var(--color-wrong-text); }

.order-slots { display: flex; align-items: flex-end; gap: 10px; padding: 14px; min-height: 150px; }
.order-slot { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; background: none; border: none; padding: 0; min-height: var(--tap); color: var(--color-on-panel); font-weight: 800; }
.order-slot .insignia { width: 100%; max-width: 64px; }
.order-slot .empty { width: 100%; max-width: 64px; aspect-ratio: 1; border: 2px dashed var(--color-slot); border-radius: 6px; }
.order-tray { display: flex; flex-wrap: wrap; gap: 10px; min-height: 96px; }
.order-tray button { width: 72px; min-height: 72px; padding: 8px; border-radius: 14px; background: var(--color-panel); border: none; display: flex; align-items: center; justify-content: center; }
.order-tray .insignia-shoulder { width: 34px; }
.order-tray .insignia-chest { width: 52px; }

/* Feedback after an answer */
.feedback { display: flex; flex-direction: column; gap: 12px; }
.verdict { display: flex; align-items: center; gap: 14px; border-radius: var(--radius-card); padding: 12px 14px; border: 2px solid; }
.verdict.right { background: var(--color-correct-bg); border-color: var(--color-correct); color: var(--color-correct-text); }
.verdict.wrong { background: var(--color-wrong-bg); border-color: var(--color-wrong); color: var(--color-wrong-text); }
.verdict .icon { width: 26px; height: 26px; }
.verdict .mini { flex: none; padding: 6px 8px; border-radius: 10px; background: var(--color-panel); }
.verdict .mini .insignia-shoulder { width: 26px; }
.verdict .mini .insignia-chest { width: 44px; }
.verdict .title { font-size: 18px; font-weight: 800; letter-spacing: -0.02em; }
.verdict .detail { font-size: 14px; }

/* Duel */
.duel-pair { align-items: flex-start; gap: 16px; padding: 20px 16px 16px; }
.duel-side { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.duel-side .frame { position: relative; }
.duel-side .frame::after {
  content: '';
  position: absolute;
  left: -7px;
  right: -7px;
  bottom: 3%;
  height: 46%;
  border: 3px solid var(--color-highlight);
  border-radius: 12px;
}
.duel-side .insignia-shoulder { width: 104px; }
.duel-side .name { font-size: 17px; font-weight: 800; letter-spacing: -0.02em; }
.duel-side .abbr { font-size: 13px; font-weight: 600; color: var(--color-on-panel-muted); }

/* Exam */
.exam-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.exam-choice { min-height: 48px; padding: 6px 12px; border-radius: 12px; background: var(--color-surface); border: 1px solid var(--color-line); font-size: 14px; font-weight: 500; text-align: left; }
.score-line { display: flex; align-items: baseline; gap: 10px; }
.score { font-size: 92px; font-weight: 800; line-height: 1; color: var(--color-accent); letter-spacing: -0.03em; }
.score-total { font-size: 30px; font-weight: 800; color: var(--color-muted); }
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.stat .value { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; }
.mistake { display: flex; align-items: center; gap: 14px; padding: 12px; }
.mistake .mini { flex: none; padding: 8px 10px; border-radius: 12px; background: var(--color-panel); }
.mistake .mini .insignia-shoulder { width: 30px; }
.mistake .mini .insignia-chest { width: 46px; }
.mistake .given { font-size: 14px; color: var(--color-wrong-text); }

/* Progress */
details.category { border-radius: var(--radius-control); background: var(--color-surface); border: 1px solid var(--color-line); padding: 0 16px; }
details.category.locked { background: var(--color-sunken); border-color: var(--color-line-soft); color: var(--color-muted); }
details.category summary { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 12px; font-weight: 700; cursor: pointer; list-style: none; }
details.category summary::-webkit-details-marker { display: none; }
.tally { font-size: 14px; font-weight: 700; color: var(--color-accent); }
.tally.done { color: var(--color-correct); }
.rank-row { display: flex; align-items: center; gap: 12px; min-height: 46px; border-top: 1px solid var(--color-line); font-size: 15px; }
.rank-row .insignia-chest { width: 30px; border: 2px solid var(--color-panel); border-radius: 5px; }
.rank-row .name { flex: 1; }
.meter { display: flex; gap: 4px; }
.meter span { width: 14px; height: 8px; border-radius: 2px; background: var(--color-line); }
.meter.low span.on { background: var(--color-wrong); }
.meter.mid span.on { background: var(--color-accent); }
.meter.high span.on { background: var(--color-correct); }

/* Settings */
.segmented { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; padding: 4px; border-radius: var(--radius-control); background: var(--color-surface); border: 1px solid var(--color-line); }
.segmented button { min-height: 46px; border-radius: 10px; background: none; border: none; color: var(--color-muted); font-size: 15px; font-weight: 500; }
.segmented button[aria-pressed="true"] { background: var(--color-accent); color: var(--color-on-accent); font-weight: 700; }
.list { border-radius: var(--radius-control); background: var(--color-surface); border: 1px solid var(--color-line); display: flex; flex-direction: column; }
.list > * { min-height: 54px; padding: 0 16px; background: none; border: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 16px; font-weight: 500; text-align: left; cursor: pointer; }
.list > * + * { border-top: 1px solid var(--color-line); }
.list .icon { width: 20px; height: 20px; color: var(--color-muted); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* Keep a question on one screen: the insignia gives way before the answers do. */
.q-insignia .insignia-shoulder { width: auto; height: min(285px, 32dvh); }
.q-insignia .insignia-chest { width: auto; height: min(150px, 22dvh); }
.q-insignia.compact .insignia-shoulder { height: min(200px, 24dvh); }
.q-insignia.compact .insignia-chest { height: min(110px, 16dvh); }

/* Lesson: several drawings fit side by side; the actions stay reachable. */
.views .insignia-shoulder { width: 66px; }
.views .insignia-chest { width: 84px; }
.actions {
  position: sticky;
  bottom: 0;
  margin: 0 calc(-1 * var(--gutter));
  padding: 12px var(--gutter) calc(env(safe-area-inset-bottom) + 12px);
  background: linear-gradient(to bottom, transparent, var(--color-bg) 30%);
}