.level-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.level-tab {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(0, 0, 0, 0.2);
  cursor: pointer;
  font-weight: 500;
  transition: all 0.15s ease;
}

.level-tab:hover:not(.level-tab--active) {
  border-color: rgba(255, 106, 61, 0.4);
}

.level-tab--active {
  background: var(--gradient-hero);
  color: #0c0f14;
  border-color: transparent;
  box-shadow: 0 4px 16px var(--accent-glow);
  font-weight: 700;
}

.level-tab--done {
  border-color: rgba(74, 222, 128, 0.45);
  background: rgba(74, 222, 128, 0.08);
}

/* Game page chrome */
.game-layout .game-header {
  padding: 24px 28px;
  border-radius: var(--radius);
  background: var(--gradient-card);
  border: 1px solid var(--stroke);
  position: relative;
  overflow: hidden;
}

.game-layout .game-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-hero);
}

.game-layout .game-header::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(255, 106, 61, 0.12), transparent);
  pointer-events: none;
}

.game-layout .game-header h1 {
  background: linear-gradient(135deg, #fff 30%, rgba(255, 255, 255, 0.7));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.filter-fighter-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
}

@media (max-width: 768px) {
  .filter-fighter-grid {
    grid-template-columns: 1fr;
  }
}

.filter-panel {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.filter-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-group select,
.filter-group input {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stroke);
  background: var(--bg-elevated);
}

.jobs-panel {
  padding: 20px;
  min-height: 320px;
}

.jobs-count {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.jobs-list {
  display: grid;
  gap: 12px;
}

.job-card {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--stroke);
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.job-card:hover {
  border-color: rgba(61, 214, 245, 0.35);
  transform: translateX(4px);
}

.job-card h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.job-card .job-meta {
  font-size: 0.85rem;
  color: var(--muted);
}

.code-preview {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: #0a0d12;
  border: 1px solid var(--stroke);
  font-family: "Consolas", "Monaco", monospace;
  font-size: 0.8rem;
  line-height: 1.5;
  overflow-x: auto;
  margin: 16px 0;
}

.code-preview .kw {
  color: #c792ea;
}

.code-preview .fn {
  color: #82aaff;
}

.code-preview .str {
  color: #c3e88d;
}

.code-preview .num {
  color: #f78c6c;
}

.quiz-options {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.quiz-option {
  padding: 16px 18px;
  text-align: left;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stroke);
  background: rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.quiz-option:hover:not(:disabled) {
  border-color: var(--accent);
  transform: translateX(4px);
  background: rgba(255, 106, 61, 0.06);
}

.quiz-option--correct {
  border-color: var(--green);
  background: rgba(74, 222, 128, 0.1);
}

.quiz-option--wrong {
  border-color: var(--danger);
  background: rgba(248, 113, 113, 0.1);
}

.feedback-box {
  margin-top: 16px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--accent);
  background: var(--panel-strong);
}

.feedback-box p {
  color: var(--text);
}

.memory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 680px;
  margin: 0 auto;
  perspective: 800px;
}

@media (max-width: 520px) {
  .memory-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.memory-card {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 2px solid var(--stroke);
  background: linear-gradient(145deg, rgba(61, 214, 245, 0.08), rgba(0, 0, 0, 0.3));
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  transition: transform 0.3s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  user-select: none;
  min-height: 80px;
}

.memory-card:hover:not(.memory-card--flipped):not(.memory-card--matched) {
  border-color: var(--cyan);
  box-shadow: 0 0 20px rgba(61, 214, 245, 0.2);
  transform: scale(1.03);
}

.memory-card--flipped,
.memory-card--matched {
  background: linear-gradient(145deg, rgba(255, 106, 61, 0.12), rgba(167, 139, 250, 0.08));
  border-color: var(--cyan);
  animation: flip-in 0.35s ease;
}

.memory-card--matched {
  border-color: var(--green);
  box-shadow: 0 0 16px rgba(74, 222, 128, 0.25);
  opacity: 0.85;
  cursor: default;
}

.memory-card__back {
  font-size: 1.5rem;
  color: var(--muted);
}

.dungeon-scenario {
  padding: 28px;
  margin-bottom: 20px;
  border-left: 4px solid var(--violet);
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.08), transparent);
}

.dungeon-scenario .scenario-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--violet);
  margin-bottom: 8px;
}

.dungeon-scenario blockquote {
  font-size: 1.1rem;
  line-height: 1.5;
  margin-bottom: 20px;
  padding-left: 16px;
  border-left: 3px solid var(--accent);
}

.dungeon-progress {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
}

.dungeon-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--stroke);
}

.dungeon-dot--done {
  background: var(--green);
}

.dungeon-dot--current {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

.pipeline-board {
  padding: 24px;
}

.pipeline-slots,
.pipeline-pool {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  min-height: 64px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 2px dashed var(--stroke);
  margin-bottom: 16px;
}

.pipeline-slots {
  border-style: solid;
  background: var(--bg-elevated);
}

.pipeline-slots.pipeline-slots--success {
  border-color: var(--green);
  animation: pipelineGlow 0.6s ease;
}

@keyframes pipelineGlow {
  0%,
  100% {
    box-shadow: none;
  }
  50% {
    box-shadow: 0 0 24px rgba(74, 222, 128, 0.3);
  }
}

.pipeline-step {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--panel-strong);
  border: 1px solid var(--stroke);
  cursor: grab;
  font-size: 0.85rem;
  font-weight: 500;
  touch-action: none;
}

.pipeline-step:active {
  cursor: grabbing;
  opacity: 0.85;
}

.pipeline-step--dragging {
  opacity: 0.5;
}

.tracer-diagram {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 32px 16px;
}

.tracer-node {
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--stroke);
  background: var(--bg-elevated);
  cursor: pointer;
  min-width: 120px;
  text-align: center;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.tracer-node:hover,
.tracer-node--active {
  border-color: var(--accent);
  transform: scale(1.02);
}

.tracer-node--visited {
  border-color: var(--cyan);
}

.tracer-arrow {
  color: var(--muted);
  font-size: 1.5rem;
}

.tracer-detail {
  padding: 20px;
  margin-top: 16px;
  min-height: 120px;
}

.ci-pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}

.ci-stage {
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--stroke);
  min-width: 100px;
  text-align: center;
}

.ci-stage--pass {
  border-color: var(--green);
}

.ci-stage--fail {
  border-color: var(--danger);
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}

.bug-snippet {
  padding: 20px;
  font-family: "Consolas", "Monaco", monospace;
  font-size: 0.85rem;
  line-height: 1.7;
  overflow-x: auto;
}

.bug-line {
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
  display: block;
}

.bug-line:hover {
  background: rgba(255, 255, 255, 0.05);
}

.bug-line--selected {
  background: rgba(248, 113, 113, 0.2);
  outline: 1px solid var(--danger);
}

.bug-line--correct {
  background: rgba(74, 222, 128, 0.2);
  outline: 1px solid var(--green);
}

.auth-map {
  display: grid;
  gap: 20px;
}

@media (min-width: 768px) {
  .auth-map {
    grid-template-columns: 200px 1fr;
  }
}

.auth-roles {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.auth-role {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--stroke);
  background: var(--bg-elevated);
  cursor: pointer;
  text-align: left;
}

.auth-role--active {
  border-color: var(--accent);
  background: var(--panel-strong);
}

.auth-routes {
  display: grid;
  gap: 10px;
}

.auth-route {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--stroke);
  background: var(--bg-elevated);
}

.auth-route--allowed {
  border-color: rgba(74, 222, 128, 0.4);
}

.auth-route--denied {
  border-color: rgba(248, 113, 113, 0.4);
  opacity: 0.7;
}

.auth-route__status {
  font-size: 0.8rem;
  font-weight: 600;
}

.auth-route--allowed .auth-route__status {
  color: var(--green);
}

.auth-route--denied .auth-route__status {
  color: var(--danger);
}