/* SPORT ARENA – screen layouts. */

/* ================= top bar & footer ================= */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: var(--topbar-h);
  padding: 8px var(--gutter);
  background: rgba(7, 11, 20, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  min-width: 0;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
}
.brand-name {
  font-weight: 900;
  letter-spacing: 0.14em;
  font-size: 1rem;
}
.brand-sub {
  font-size: 0.7rem;
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topnav {
  display: flex;
  gap: 4px;
  margin-left: 12px;
}
.topnav-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--text-2);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--fs-sm);
  min-height: 40px;
}
.topnav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}
.topnav-link.is-active {
  color: #fff;
  background: var(--accent-soft);
}
.topbar-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.xp-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-2);
  text-decoration: none;
  font-size: var(--fs-xs);
  font-weight: 600;
  white-space: nowrap;
}
.xp-chip .icon {
  color: var(--gold);
}
.xp-chip-xp {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.lang-switch {
  display: inline-flex;
  padding: 3px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.lang-btn {
  min-width: 40px;
  min-height: 34px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--text-2);
  font-weight: 800;
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
}
.lang-btn:hover {
  color: var(--text);
}
.lang-btn.is-active {
  background: linear-gradient(135deg, #2a6ff2, #4d93ff);
  color: #fff;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 18px var(--gutter) 22px;
  font-size: var(--fs-xs);
  color: var(--text-2);
  text-align: center;
  display: grid;
  gap: 6px;
}
.footer-muted {
  color: var(--text-3);
  max-width: 820px;
  margin-inline: auto;
}

/* ================= page header ================= */
.page-header {
  display: grid;
  gap: 8px;
  animation: fade-up 0.35s var(--ease);
}
.page-title {
  font-size: clamp(1.7rem, 1.2rem + 2vw, 2.6rem);
  font-weight: 850;
  letter-spacing: -0.02em;
}
.page-lead {
  color: var(--text-2);
  max-width: 72ch;
  font-size: var(--fs-lg);
}
.page-actions {
  margin-top: 4px;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-sm);
  color: var(--text-3);
  text-decoration: none;
  width: fit-content;
}
.back-link:hover {
  color: var(--text);
}
.section-title {
  font-size: var(--fs-xl);
  font-weight: 800;
}

/* ================= hero / menu ================= */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
}
.hero-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}
.hero-art .lane-line {
  stroke-dasharray: 260 2140;
  animation: lane-run 7s linear infinite;
}
.hero-art .lane-glow {
  stroke-dasharray: 260 2140;
  animation: lane-run 7s linear infinite;
}
.hero-art .beam {
  animation: beam 6s ease-in-out infinite;
}
.hero-art .beam-2 {
  animation-delay: -3s;
}
.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.9fr);
  gap: 32px;
  align-items: center;
  padding-top: clamp(40px, 7vw, 88px);
  padding-bottom: clamp(36px, 6vw, 72px);
}
.hero-copy {
  display: grid;
  gap: 14px;
  animation: fade-up 0.5s var(--ease);
}
.hero-title {
  font-size: clamp(3rem, 1.8rem + 6.5vw, 6.4rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 0.95;
  background: linear-gradient(180deg, #ffffff 30%, #b9d2ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: none;
  filter: drop-shadow(0 8px 28px rgba(47, 123, 255, 0.35));
}
.hero-tagline {
  font-size: clamp(1.15rem, 1rem + 0.6vw, 1.45rem);
  font-weight: 700;
  color: #dbe6ff;
}
.hero-lead {
  color: var(--text-2);
  max-width: 60ch;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}
.hero-actions .btn-stacked {
  max-width: 340px;
}
.status-card {
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(25, 35, 62, 0.82), rgba(13, 19, 36, 0.88));
  animation: fade-up 0.6s var(--ease);
}
.status-rank {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}
.status-rank-name {
  font-weight: 800;
  font-size: var(--fs-lg);
}
.status-rank-xp {
  color: var(--gold-text);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.status-levels {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 10px;
}
.status-levels li {
  display: grid;
  grid-template-columns: 1fr 72px auto;
  gap: 10px;
  align-items: center;
  margin: 0;
  font-size: var(--fs-sm);
}
.status-level-name {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-2);
  min-width: 0;
}
.status-level-pct {
  font-variant-numeric: tabular-nums;
  color: var(--text-3);
  font-size: var(--fs-xs);
  min-width: 4ch;
  text-align: right;
}
.status-ach {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-2);
  font-size: var(--fs-sm);
}
.status-ach .icon {
  color: var(--gold);
}

.menu-section {
  padding-top: 28px;
}
.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr));
  gap: 14px;
}
.tile {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 14px;
  row-gap: 2px;
  padding: 18px 40px 18px 18px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(25, 35, 62, 0.8), rgba(15, 22, 40, 0.9));
  border: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  transition: transform 0.2s var(--ease), border-color 0.2s, box-shadow 0.2s;
}
.tile:hover {
  transform: translateY(-2px);
  border-color: var(--accent-2);
  box-shadow: 0 16px 40px -20px rgba(47, 123, 255, 0.7);
  color: var(--text);
}
.tile-icon {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent-text);
  border: 1px solid rgba(77, 147, 255, 0.3);
}
.tile-title {
  font-weight: 750;
}
.tile-desc {
  font-size: var(--fs-sm);
  color: var(--text-3);
}
.tile-arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
}
.menu-note {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-top: 18px;
  color: var(--text-3);
  font-size: var(--fs-sm);
}

/* intro dialog */
.intro-lead {
  font-weight: 600;
  color: var(--text);
}
.intro-list {
  list-style: none;
  padding: 0;
  margin-top: 12px;
  display: grid;
  gap: 10px;
}
.intro-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  margin: 0;
}
.intro-list .icon {
  color: var(--accent-text);
  margin-top: 2px;
}

/* ================= levels ================= */
.level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 18px;
}
.level-card {
  display: grid;
  gap: 12px;
  align-content: start;
  transition: transform 0.2s var(--ease), border-color 0.2s;
  animation: fade-up 0.4s var(--ease) both;
}
.level-card > * + * {
  margin-top: 0;
}
.level-card:hover {
  border-color: var(--line-strong);
}
.level-card.is-locked {
  opacity: 0.72;
}
.level-card.is-locked .emblem {
  filter: grayscale(0.8);
}
.level-card-head {
  display: flex;
  gap: 16px;
  align-items: center;
}
.level-name {
  font-size: 1.6rem;
  font-weight: 850;
}
.level-tagline {
  color: var(--text-2);
}
.level-alignment {
  display: flex;
  gap: 6px;
  color: var(--text-3);
  font-size: var(--fs-sm);
}
.level-alignment .icon {
  margin-top: 3px;
}
.level-subjects {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.level-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 12px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
}
.level-facts dt {
  font-size: var(--fs-xs);
  color: var(--text-3);
  font-weight: 600;
}
.level-facts dd {
  margin: 2px 0 0;
  font-weight: 700;
}
.difficulty {
  display: inline-flex;
  gap: 3px;
  align-items: flex-end;
}
.difficulty-bar {
  width: 7px;
  border-radius: 2px;
  background: var(--line-strong);
}
.difficulty-bar:nth-child(1) {
  height: 8px;
}
.difficulty-bar:nth-child(2) {
  height: 12px;
}
.difficulty-bar:nth-child(3) {
  height: 16px;
}
.difficulty-bar.is-on {
  background: linear-gradient(180deg, var(--accent-2), var(--violet));
}
.level-progress {
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-sm);
  color: var(--text-2);
  font-weight: 600;
}
.level-pct {
  font-variant-numeric: tabular-nums;
}
.lock-note {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  color: var(--text-3);
  font-size: var(--fs-sm);
}
.lock-note .icon {
  margin-top: 3px;
}
.level-card .btn {
  justify-self: start;
}

.grad-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  border-color: rgba(244, 201, 93, 0.35);
  background:
    radial-gradient(600px 200px at 0% 0%, rgba(244, 201, 93, 0.1), transparent 70%),
    linear-gradient(180deg, rgba(25, 35, 62, 0.92), rgba(15, 22, 40, 0.94));
}
.grad-card > * + * {
  margin-top: 0;
}
.grad-card.is-locked {
  opacity: 0.78;
}
.grad-copy {
  display: grid;
  gap: 6px;
}
.grad-copy .kicker {
  color: var(--gold-text);
}

.level-hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: center;
}
.level-hero > * + * {
  margin-top: 0;
}
.level-hero > div {
  display: grid;
  gap: 10px;
}
.challenge-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}
.challenge-list li {
  margin: 0;
}
.challenge {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 16px 20px;
}
.challenge > * + * {
  margin-top: 0;
}
.challenge-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent-text);
  border: 1px solid rgba(77, 147, 255, 0.25);
}
.challenge-boss .challenge-icon,
.challenge-graduation .challenge-icon {
  background: none;
  border: 0;
}
.challenge-scenario .challenge-icon {
  background: var(--violet-soft);
  color: var(--violet-text);
  border-color: rgba(143, 128, 255, 0.3);
}
.challenge-timed .challenge-icon {
  background: var(--warn-soft);
  color: var(--warn-text);
  border-color: rgba(245, 184, 74, 0.3);
}
.challenge-boss {
  border-color: rgba(143, 128, 255, 0.4);
  background:
    radial-gradient(500px 160px at 0% 50%, rgba(143, 128, 255, 0.12), transparent 70%),
    linear-gradient(180deg, rgba(25, 35, 62, 0.92), rgba(15, 22, 40, 0.94));
}
.challenge-graduation {
  border-color: rgba(244, 201, 93, 0.4);
}
.challenge.is-locked {
  opacity: 0.68;
}
.challenge-body {
  display: grid;
  gap: 3px;
  min-width: 0;
}
.challenge-title {
  font-size: var(--fs-lg);
  font-weight: 750;
}
.challenge-boss .challenge-body .kicker {
  color: var(--violet-text);
}
.challenge-role {
  color: var(--text-2);
  font-size: var(--fs-sm);
  font-style: italic;
}
.challenge-meta {
  color: var(--text-2);
  font-size: var(--fs-sm);
}
.challenge-best {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-sm);
  color: var(--text-2);
}
.challenge-action {
  display: grid;
  gap: 8px;
  justify-items: end;
}
.done-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--success-text);
}

/* ================= gameplay ================= */
.play {
  display: grid;
  gap: 18px;
  padding-top: 20px;
  max-width: 980px;
}
.play > * + * {
  margin-top: 0 !important;
}
.hud {
  display: grid;
  gap: 14px;
  padding: 18px 20px;
}
.hud > * + * {
  margin-top: 0;
}
.hud-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.hud-title {
  min-width: 0;
}
.hud-heading {
  font-size: clamp(1.25rem, 1rem + 1vw, 1.6rem);
}
.hud-progress {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: center;
}
.hud-count {
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--text-2);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.qsegs {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 4px;
}
.qseg {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  margin: 0 !important;
}
.qseg.is-current {
  background: rgba(143, 184, 255, 0.55);
  box-shadow: 0 0 0 1px rgba(143, 184, 255, 0.8);
}
.qseg.is-correct {
  background: var(--success);
}
.qseg.is-partial {
  background: var(--warn);
}
.qseg.is-wrong {
  background: var(--danger);
}
.hud-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: center;
}
.hud-stat {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.hud-stat > .icon {
  color: var(--accent-text);
}
.hud-stat-value {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.hud-stat-label {
  font-size: var(--fs-xs);
  color: var(--text-3);
  font-weight: 600;
}
.hud-nolives .hud-stat-label {
  color: var(--text-2);
}
.hud-timer {
  position: relative;
  padding-bottom: 6px;
}
.hud-timer .timer-track {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}
.timer-fill {
  height: 100%;
  background: var(--warn);
  transition: width 1s linear;
}
.hud-timer.is-urgent .hud-stat-value,
.hud-timer.is-urgent > .icon {
  color: var(--danger-text);
  animation: pulse-urgent 1s ease-in-out infinite;
}
.boss-panel {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: center;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(143, 128, 255, 0.12), rgba(143, 128, 255, 0.03));
  border: 1px solid rgba(143, 128, 255, 0.35);
}
.play-graduation .boss-panel {
  background: linear-gradient(90deg, rgba(244, 201, 93, 0.12), rgba(244, 201, 93, 0.03));
  border-color: rgba(244, 201, 93, 0.35);
}
.boss-info {
  display: grid;
  gap: 6px;
}
.boss-line {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.boss-name {
  font-weight: 800;
}
.boss-hp-text {
  font-size: var(--fs-sm);
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}
.boss-panel.is-low .boss-hp-text {
  color: var(--success-text);
}

.stage {
  display: grid;
  gap: 18px;
}
.question-card {
  animation: fade-up 0.3s var(--ease);
}
.question-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}
.phase-kicker {
  color: var(--gold-text);
}
.question-prompt {
  font-size: clamp(1.15rem, 1rem + 0.6vw, 1.45rem);
  font-weight: 700;
  line-height: 1.35;
  margin-top: 14px;
}
.question-instructions {
  color: var(--text-3);
  font-size: var(--fs-sm);
}
.question-form {
  display: grid;
  gap: 14px;
}
.case-context {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  padding: 4px 14px;
}
.case-context summary {
  display: flex;
  gap: 8px;
  align-items: center;
  cursor: pointer;
  padding: 10px 0;
  font-weight: 700;
  color: var(--text-2);
}
.case-context[open] summary {
  border-bottom: 1px solid var(--line);
  margin-bottom: 10px;
}
.case-context > p {
  padding-bottom: 12px;
  color: var(--text-2);
}

.options {
  display: grid;
  gap: 10px;
}
.option {
  display: grid;
  grid-template-columns: auto auto 1fr;
  grid-template-areas: 'input key text' '. . mark';
  column-gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s, box-shadow 0.15s;
}
.option input {
  grid-area: input;
  width: 20px;
  height: 20px;
  margin: 0;
  accent-color: var(--accent-2);
  cursor: inherit;
}
.option-key {
  grid-area: key;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--surface-3);
  border: 1px solid var(--line-strong);
  font-weight: 800;
  font-size: var(--fs-xs);
  color: var(--text-2);
}
.option-text {
  grid-area: text;
}
.option-mark {
  grid-area: mark;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  font-size: var(--fs-sm);
  font-weight: 700;
}
.option-mark:empty {
  display: none;
}
.option:hover {
  border-color: var(--accent-2);
  background: var(--surface-2);
}
.option:has(input:checked) {
  border-color: var(--accent-2);
  background: linear-gradient(90deg, rgba(47, 123, 255, 0.16), rgba(47, 123, 255, 0.04));
}
.option:has(input:focus-visible) {
  box-shadow: var(--ring);
}
.option:has(input:disabled) {
  cursor: default;
}
.option:has(input:disabled):hover {
  border-color: var(--line-strong);
  background: var(--surface);
}
.option.is-correct {
  border-color: rgba(60, 207, 142, 0.7) !important;
  background: var(--success-soft) !important;
}
.option.is-correct .option-mark {
  color: var(--success-text);
}
.option.is-wrong {
  border-color: rgba(242, 103, 107, 0.7) !important;
  background: var(--danger-soft) !important;
}
.option.is-wrong .option-mark {
  color: var(--danger-text);
}
.option.is-missed {
  border-style: dashed !important;
  border-color: rgba(60, 207, 142, 0.7) !important;
}
.option.is-missed .option-mark {
  color: var(--success-text);
}
.option.is-partial {
  border-color: rgba(245, 184, 74, 0.7) !important;
  background: var(--warn-soft) !important;
}
.option.is-q-best {
  border-color: rgba(60, 207, 142, 0.6) !important;
}
.option.is-q-poor.is-picked {
  background: var(--danger-soft) !important;
  border-color: rgba(242, 103, 107, 0.7) !important;
}
.option.is-q-ok.is-picked {
  background: var(--warn-soft) !important;
  border-color: rgba(245, 184, 74, 0.7) !important;
}
.option.is-q-best.is-picked {
  background: var(--success-soft) !important;
}
.quality,
.mark-picked,
.points-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: var(--fs-xs);
  font-weight: 700;
  border: 1px solid;
}
.mark-picked {
  color: var(--accent-text);
  border-color: rgba(77, 147, 255, 0.45);
}
.points-tag {
  color: var(--text-2);
  border-color: var(--line-strong);
}
.quality-best {
  color: var(--success-text);
  border-color: rgba(60, 207, 142, 0.45);
  background: var(--success-soft);
}
.quality-ok {
  color: var(--warn-text);
  border-color: rgba(245, 184, 74, 0.45);
  background: var(--warn-soft);
}
.quality-poor {
  color: var(--danger-text);
  border-color: rgba(242, 103, 107, 0.45);
  background: var(--danger-soft);
}
.options-doc .option {
  border-radius: 10px;
  font-family: var(--font);
  background: rgba(255, 255, 255, 0.02);
}
.option-flag {
  display: none;
  align-items: center;
  gap: 4px;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--warn-text);
  grid-column: 3;
}
.options-doc .option:has(input:checked) .option-flag {
  display: inline-flex;
}
.option-compact {
  padding: 10px 14px;
  grid-template-columns: auto 1fr;
  grid-template-areas: 'input text' '. mark';
}

.match-list {
  display: grid;
  gap: 10px;
}
.match-row {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr);
  gap: 8px 14px;
  align-items: center;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--surface);
}
.match-left {
  font-weight: 700;
}
.match-row .option-mark {
  grid-column: 1 / -1;
}
.match-row.is-correct {
  border-color: rgba(60, 207, 142, 0.7);
  background: var(--success-soft);
}
.match-row.is-correct .option-mark {
  color: var(--success-text);
}
.match-row.is-wrong {
  border-color: rgba(242, 103, 107, 0.7);
  background: var(--danger-soft);
}
.match-row.is-wrong .option-mark {
  color: var(--danger-text);
}

.order-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 8px;
  counter-reset: none;
}
.order-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: 'pos text btns' '. mark mark';
  gap: 6px 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  margin: 0 !important;
}
.order-pos {
  grid-area: pos;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-text);
  font-weight: 800;
  font-size: var(--fs-sm);
}
.order-text {
  grid-area: text;
}
.order-btns {
  grid-area: btns;
  display: flex;
  gap: 6px;
}
.order-item .option-mark {
  grid-area: mark;
}
.order-item.is-correct {
  border-color: rgba(60, 207, 142, 0.7);
  background: var(--success-soft);
}
.order-item.is-correct .option-mark {
  color: var(--success-text);
}
.order-item.is-wrong {
  border-color: rgba(242, 103, 107, 0.7);
  background: var(--danger-soft);
}
.order-item.is-wrong .option-mark {
  color: var(--danger-text);
}

.lesson-builder {
  display: grid;
  gap: 14px;
}
.lesson-slot {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px 14px;
  margin: 0;
  display: grid;
  gap: 8px;
  background: rgba(255, 255, 255, 0.015);
}
.lesson-slot legend {
  padding: 0 6px;
  font-weight: 800;
  font-size: var(--fs-sm);
  color: var(--accent-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.short-answer {
  display: grid;
  gap: 8px;
}
.short-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: var(--fs-xs);
}
.char-count {
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}
.char-count.is-ok {
  color: var(--success-text);
}

.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.kbd-hint {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

/* feedback */
.feedback {
  border-left: 4px solid var(--line-strong);
  animation: fade-up 0.3s var(--ease);
}
.feedback-correct,
.feedback-best {
  border-left-color: var(--success);
}
.feedback-partial,
.feedback-ok {
  border-left-color: var(--warn);
}
.feedback-wrong,
.feedback-poor,
.feedback-timeout {
  border-left-color: var(--danger);
}
.feedback-verdict {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-xl);
  font-weight: 850;
}
.feedback-correct .feedback-verdict,
.feedback-best .feedback-verdict {
  color: var(--success-text);
}
.feedback-partial .feedback-verdict,
.feedback-ok .feedback-verdict {
  color: var(--warn-text);
}
.feedback-wrong .feedback-verdict,
.feedback-poor .feedback-verdict,
.feedback-timeout .feedback-verdict {
  color: var(--danger-text);
}
.feedback-lines {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  color: var(--text-2);
  font-size: var(--fs-sm);
  font-weight: 600;
}
.feedback-lines li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
}
.feedback-lines .is-bad {
  color: var(--danger-text);
}
p.feedback-lines {
  display: flex;
  align-items: center;
  gap: 6px;
}
.feedback-detail {
  display: grid;
  gap: 8px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
}
.feedback-detail h3 {
  margin-top: 6px;
}
.feedback-explanation {
  display: grid;
  gap: 6px;
}
.feedback-explanation p {
  color: var(--text);
  line-height: 1.65;
}
.feedback-meta {
  display: grid;
  gap: 6px;
  font-size: var(--fs-sm);
  color: var(--text-2);
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.feedback-source {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.feedback-source details summary {
  cursor: pointer;
  color: var(--accent-text);
  font-size: var(--fs-sm);
}
.criteria-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 6px;
}
.criteria-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: center;
  margin: 0;
}
.criteria-list .is-met {
  color: var(--success-text);
}
.criteria-list .is-missing {
  color: var(--text-3);
}
.criteria-state {
  font-size: var(--fs-xs);
  font-weight: 700;
}
.answer-list {
  margin-top: 4px;
}

.boss-intro {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 10px;
}
.boss-role {
  font-size: var(--fs-lg);
  color: var(--text);
  font-style: italic;
}

/* source list */
.source-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 8px;
}
.source-list li {
  display: grid;
  gap: 2px;
  margin: 0;
  font-size: var(--fs-sm);
}
.source-meta {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

/* ================= scenario ================= */
.scenario {
  display: grid;
  gap: 18px;
  padding-top: 20px;
  max-width: 980px;
}
.scenario > * + * {
  margin-top: 0 !important;
}
.scenario-head {
  display: grid;
  gap: 12px;
}
.scenario-head > * + * {
  margin-top: 0;
}
.path-trail {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.path-trail li {
  margin: 0;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: var(--fs-xs);
  font-weight: 700;
  border: 1px solid;
}
.path-trail .quality-best {
  color: var(--success-text);
}
.path-trail .quality-ok {
  color: var(--warn-text);
}
.path-trail .quality-poor {
  color: var(--danger-text);
}
.scenario-choice {
  font-size: var(--fs-lg);
}
.scenario-block {
  padding: 12px 14px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
}
.scenario-block h3 {
  margin-top: 0;
  margin-bottom: 4px;
}

/* ================= results ================= */
.results-hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: center;
  animation: pop 0.4s var(--ease);
}
.results-hero > * + * {
  margin-top: 0;
}
.results-hero.is-success {
  border-color: rgba(77, 147, 255, 0.45);
  box-shadow: var(--shadow), 0 0 80px -30px rgba(47, 123, 255, 0.7);
}
.results-hero-copy {
  display: grid;
  gap: 8px;
  justify-items: start;
}
.results-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
  gap: 18px;
}
.xp-lines {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 6px;
}
.xp-lines li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
  margin: 0;
}
.xp-lines strong {
  color: var(--gold-text);
  font-variant-numeric: tabular-nums;
}
.unlock-list ul {
  margin-top: 6px;
}
.topic-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: 16px;
}
.topic-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 6px;
  margin-top: 8px;
}
.topic-list li {
  overflow-wrap: anywhere;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 10px;
  margin: 0;
  border: 1px solid var(--line);
}
.topic-list li > span {
  flex: none;
  white-space: nowrap;
  overflow-wrap: normal;
  font-variant-numeric: tabular-nums;
}
.topic-list.is-good li {
  background: var(--success-soft);
}
.topic-list.is-bad li {
  background: var(--warn-soft);
}
.recommend-title {
  width: 100%;
  font-weight: 700;
  color: var(--text-2);
}
.mistake-list {
  display: grid;
  gap: 10px;
}
.mistake {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 14px;
  background: rgba(255, 255, 255, 0.02);
}
.mistake.card {
  padding: 4px 18px;
}
.mistake > * + * {
  margin-top: 10px;
}
.mistake[open] {
  padding-bottom: 14px;
}
.mistake summary {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 8px;
  align-items: baseline;
  padding: 10px 0;
  cursor: pointer;
}
.mistake-verdict {
  font-weight: 800;
  font-size: var(--fs-sm);
  white-space: nowrap;
}
.mistake-wrong .mistake-verdict,
.mistake-wrong summary .icon {
  color: var(--danger-text);
}
.mistake-partial .mistake-verdict,
.mistake-partial summary .icon {
  color: var(--warn-text);
}
.mistake-q {
  color: var(--text);
}
.mistake-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 14px;
}
.mistake-cols h3 {
  margin-top: 0;
  font-size: var(--fs-sm);
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.decision-list {
  display: grid;
  gap: 12px;
}
.decision-list li {
  display: grid;
  gap: 4px;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  margin: 0;
}
.decision-best {
  border-left: 4px solid var(--success) !important;
}
.decision-ok {
  border-left: 4px solid var(--warn) !important;
}
.decision-poor {
  border-left: 4px solid var(--danger) !important;
}
.phase-list {
  display: grid;
  gap: 8px;
}
.phase-list li {
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  margin: 0;
}
.phase-list li.is-correct {
  border-color: rgba(60, 207, 142, 0.45);
}
.phase-list li.is-partial {
  border-color: rgba(245, 184, 74, 0.45);
}
.phase-list li.is-wrong {
  border-color: rgba(242, 103, 107, 0.45);
}
.phase-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.phase-verdict {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--fs-sm);
  font-weight: 700;
}
.is-correct .phase-verdict {
  color: var(--success-text);
}
.is-partial .phase-verdict {
  color: var(--warn-text);
}
.is-wrong .phase-verdict {
  color: var(--danger-text);
}
.phase-list details summary {
  cursor: pointer;
  color: var(--accent-text);
  font-size: var(--fs-sm);
  margin-top: 6px;
}

/* ================= practice ================= */
.review-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
}
.review-card > * + * {
  margin-top: 0;
}
.review-card > .icon {
  color: var(--accent-text);
}
.filters {
  display: grid;
  gap: 16px;
}
.filters > * + * {
  margin-top: 0;
}
.filter {
  border: 0;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}
.filter legend {
  font-weight: 700;
  margin-bottom: 8px;
  padding: 0;
}
.match-count {
  font-weight: 700;
  color: var(--accent-text);
}

/* ================= explorer ================= */
.pathway-select {
  display: grid;
  gap: 8px;
}
.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 10px 18px;
}
.facts dt {
  font-size: var(--fs-xs);
  color: var(--text-3);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.facts dd {
  margin: 2px 0 0;
}
.course-list {
  margin-top: 4px;
  color: var(--text-3);
  font-size: var(--fs-xs);
}
.legend {
  display: grid;
  gap: 10px;
}
.legend > div {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 12px;
  align-items: start;
}
.legend dd {
  margin: 0;
  color: var(--text-2);
  font-size: var(--fs-sm);
}
.subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr));
  gap: 12px;
  margin-top: 12px;
}
.subject-card {
  display: grid;
  gap: 6px;
  color: var(--text);
  text-decoration: none;
  padding: 18px;
  transition: transform 0.2s var(--ease), border-color 0.2s;
}
.subject-card > * + * {
  margin-top: 0;
}
.subject-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-2);
  color: var(--text);
}
.subject-name {
  font-weight: 800;
  font-size: var(--fs-lg);
}
.subject-alt {
  color: var(--text-3);
  font-size: var(--fs-sm);
  font-style: italic;
}
.subject-modules {
  font-size: var(--fs-sm);
  color: var(--accent-text);
  font-weight: 600;
}
.subject-count {
  font-size: var(--fs-xs);
  color: var(--text-3);
}
.subject-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}
.subject-side {
  display: grid;
  gap: 18px;
}
.verified-block {
  border-color: rgba(60, 207, 142, 0.3);
}
.supplementary-block {
  border-color: rgba(245, 184, 74, 0.3);
  border-style: dashed;
}
.objective-list li {
  margin-top: 6px;
}
.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: 14px;
}
.level-counts {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 4px;
}
.level-counts li {
  display: flex;
  justify-content: space-between;
  margin: 0;
  font-size: var(--fs-sm);
}
.search-field {
  max-width: 440px;
}
.search-field label {
  font-weight: 600;
}

/* ================= dashboard ================= */
.dash-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 18px;
  align-items: stretch;
}
.rank-card {
  background:
    radial-gradient(400px 160px at 100% 0%, rgba(244, 201, 93, 0.12), transparent 70%),
    linear-gradient(180deg, rgba(25, 35, 62, 0.92), rgba(15, 22, 40, 0.94));
}
.rank-name {
  font-size: 1.7rem;
  font-weight: 850;
}
.rank-xp {
  color: var(--gold-text);
  font-weight: 800;
  font-size: var(--fs-lg);
  font-variant-numeric: tabular-nums;
}
.dash-top .stat-grid {
  grid-template-columns: repeat(2, 1fr);
}
.bar-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}
.bar-list li {
  display: grid;
  gap: 6px;
  margin: 0;
}
.bar-label {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: var(--fs-sm);
}
.bar-label span {
  color: var(--text-3);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.bar-label span .icon {
  color: var(--gold);
}
.best-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 6px;
  font-size: var(--fs-sm);
}
.best-list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
}
.best-val {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.storage-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
}
.storage-card > * + * {
  margin-top: 0;
}
.storage-card > .icon {
  color: var(--success-text);
}

/* ================= achievements ================= */
.ach-summary {
  display: grid;
  gap: 8px;
  max-width: 420px;
}
.ach-grid {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 14px;
}
.ach {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  margin: 0 !important;
}
.ach > * + * {
  margin-top: 0;
}
.ach-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  border: 1px solid var(--line-strong);
  color: var(--text-3);
  background: var(--surface);
}
.ach.is-unlocked .ach-icon {
  color: #1c1405;
  background: linear-gradient(135deg, #f4c95d, #eba552);
  border-color: transparent;
  box-shadow: 0 10px 26px -12px rgba(244, 201, 93, 0.8);
}
.ach.is-unlocked {
  border-color: rgba(244, 201, 93, 0.35);
}
.ach-name {
  font-size: var(--fs-lg);
  font-weight: 800;
}
.ach-desc {
  color: var(--text-2);
  font-size: var(--fs-sm);
  margin-top: 4px;
}
.ach-state {
  margin-top: 8px;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--text-3);
}
.ach.is-unlocked .ach-state {
  color: var(--gold-text);
}

/* ================= settings & help ================= */
.settings-card > * + * {
  margin-top: 14px;
}
.help-card ul li {
  margin-top: 8px;
}
.type-list {
  display: grid;
  gap: 10px;
}
.type-list > div {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 12px;
}
.type-list dt {
  font-weight: 700;
}
.type-list dd {
  margin: 0;
  color: var(--text-2);
}

/* ================= responsive ================= */
@media (max-width: 1040px) {
  .topnav-link span {
    display: none;
  }
  .topnav-link {
    padding: 8px 10px;
  }
}

@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
  }
  .subject-layout,
  .dash-top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .topnav {
    display: none;
  }
  .brand-sub {
    display: none;
  }
  .grad-card {
    grid-template-columns: 1fr;
    justify-items: start;
  }
  .challenge {
    grid-template-columns: 52px 1fr;
  }
  .challenge-icon {
    width: 48px;
    height: 48px;
  }
  .challenge-action {
    grid-column: 1 / -1;
    justify-items: stretch;
  }
  .challenge-action .btn {
    width: 100%;
  }
  .level-hero,
  .results-hero {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .review-card,
  .storage-card {
    grid-template-columns: 1fr;
  }
  .legend > div,
  .type-list > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .match-row {
    grid-template-columns: 1fr;
  }
  .card {
    padding: 18px;
  }
  .hud {
    padding: 14px 16px;
  }
  .hud-progress {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .option {
    padding: 12px;
    column-gap: 10px;
  }
  .option-key {
    display: none;
  }
  .option {
    grid-template-columns: auto 1fr;
    grid-template-areas: 'input text' '. mark';
  }
  .form-actions .kbd-hint {
    display: none;
  }
  .form-actions .btn {
    width: 100%;
  }
  .results-actions .btn {
    flex: 1 1 auto;
  }
  .hero-actions .btn {
    width: 100%;
    max-width: none;
  }

  /* stacked tables on small screens */
  .module-table thead,
  .term-table thead {
    display: none;
  }
  .module-table tr,
  .term-table tr {
    display: grid;
    gap: 4px;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
  }
  .module-table th,
  .module-table td,
  .term-table th,
  .term-table td {
    border: 0;
    padding: 0 4px;
  }
}

@media (max-width: 440px) {
  .xp-chip {
    display: none;
  }
  .topbar {
    gap: 8px;
  }
  .topbar-tools {
    gap: 6px;
  }
  .icon-btn {
    width: 38px;
    height: 38px;
  }
  .level-facts {
    grid-template-columns: 1fr 1fr;
  }
  .status-levels li {
    grid-template-columns: 1fr 56px auto;
  }
  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }
  .dash-top .stat-grid {
    grid-template-columns: 1fr 1fr;
  }
}