.pilot-main {
  padding-top: 1.2rem;
  max-width: 1220px;
  margin: 0 auto;
}

.pilot-hero {
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background:
    radial-gradient(circle at 86% 18%, rgba(244, 193, 95, 0.2), transparent 36%),
    linear-gradient(145deg, #0f2247, #184579 56%, #266297 100%);
  color: #fff;
  padding: 1.2rem;
  margin-bottom: 1rem;
}

.pilot-hero h1 {
  margin: 0 0 0.4rem;
  color: #fff;
  font-size: clamp(1.62rem, 4.1vw, 2.4rem);
}

.pilot-hero p {
  margin: 0;
  line-height: 1.62;
  max-width: 88ch;
  color: rgba(255, 255, 255, 0.93);
}

.pilot-hero-pills {
  margin-top: 0.82rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
}

.pilot-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.31rem;
  border: 1px solid rgba(255, 255, 255, 0.33);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 0.84rem;
  padding: 0.22rem 0.63rem;
}

.pilot-panel {
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background: var(--card-bg);
  padding: 1rem;
  margin-bottom: 1rem;
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
}

.panel-head h2 {
  margin: 0;
}

.panel-head p {
  margin: 0;
  opacity: 0.84;
  font-size: 0.92rem;
}

.pilot-chapter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.52rem;
}

.pilot-chapter-btn {
  border: 1px solid var(--border-color);
  background: var(--bg-color);
  color: var(--text-color);
  border-radius: 10px;
  padding: 0.52rem 0.62rem;
  text-align: left;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.pilot-chapter-btn:hover {
  border-color: var(--accent-color);
  transform: translateY(-1px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.08);
}

.pilot-chapter-btn.active {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px rgba(0, 112, 243, 0.14);
}

.pilot-chapter-btn .n {
  display: block;
  font-weight: 620;
  margin-bottom: 0.1rem;
}

.pilot-chapter-btn .m {
  display: block;
  font-size: 0.8rem;
  opacity: 0.78;
}

.pilot-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  column-gap: 0.82rem;
  row-gap: 0.62rem;
  margin-bottom: 0.72rem;
  align-items: end;
}

.pilot-controls label {
  display: grid;
  gap: 0.28rem;
  font-size: 0.9rem;
  min-width: 0;
}

.pilot-controls select,
.pilot-controls input:not([type="checkbox"]) {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--bg-color);
  color: var(--text-color);
  padding: 0.48rem 0.64rem;
  font: inherit;
}

#pilot-quiz-instant {
  width: 1.08rem;
  height: 1.08rem;
  margin: 0;
  border: none;
  padding: 0;
  accent-color: var(--accent-color);
}

.pilot-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  flex-wrap: wrap;
}

#pilot-quiz-setup {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

#pilot-quiz-setup .pilot-answer-mode {
  min-width: 240px;
}

#pilot-quiz-setup .pilot-answer-mode .pilot-inline {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.45rem;
  min-height: 42px;
  padding: 0.38rem 0.58rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--bg-color);
  overflow: hidden;
}

#pilot-quiz-setup .pilot-answer-mode .pilot-inline > span {
  min-width: 0;
  overflow-wrap: anywhere;
}

#pilot-quiz-setup .pilot-quiz-start-wrap {
  justify-content: flex-start;
}

.pilot-history-wrap {
  margin-top: 0.7rem;
}

.pilot-flash-card {
  position: relative;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  min-height: 205px;
  transform-style: preserve-3d;
  transition: transform 0.45s ease;
  cursor: pointer;
  background: linear-gradient(140deg, rgba(19, 59, 121, 0.11), rgba(16, 16, 18, 0.02));
}

.pilot-flash-card.is-flipped {
  transform: rotateY(180deg);
}

.pilot-flash-face {
  position: absolute;
  inset: 0;
  border-radius: 14px;
  padding: 0.95rem;
  display: grid;
  align-content: center;
  gap: 0.4rem;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.pilot-flash-face h3 {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.78;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pilot-flash-face p {
  margin: 0;
  line-height: 1.6;
  font-size: 1.05rem;
}

.pilot-flash-face.back {
  transform: rotateY(180deg);
  background: linear-gradient(145deg, rgba(27, 130, 106, 0.1), rgba(0, 112, 243, 0.09));
}

.pilot-actions {
  margin-top: 0.65rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pilot-meta {
  margin: 0.48rem 0 0;
  font-size: 0.9rem;
  opacity: 0.82;
}

.pilot-question {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-color);
  padding: 0.84rem;
}

.pilot-question h3 {
  margin: 0 0 0.45rem;
}

.pilot-question p {
  margin: 0;
  line-height: 1.6;
}

.pilot-options {
  margin-top: 0.7rem;
  display: grid;
  gap: 0.52rem;
}

.pilot-option {
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-color);
  color: var(--text-color);
  text-align: left;
  padding: 0.58rem 0.68rem;
  cursor: pointer;
  font: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pilot-option:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 14px rgba(0, 0, 0, 0.08);
}

.pilot-option.selected {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px rgba(0, 112, 243, 0.14);
}

.pilot-option.correct {
  border-color: #2f995f;
  background: rgba(47, 153, 95, 0.13);
}

.pilot-option.wrong {
  border-color: #cd4e4e;
  background: rgba(205, 78, 78, 0.13);
}

.pilot-footer-row {
  margin-top: 0.7rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: space-between;
  align-items: center;
}

.pilot-challenge-banner {
  border: 1px solid color-mix(in oklab, var(--accent-color) 38%, var(--border-color));
  border-radius: 12px;
  padding: 0.7rem 0.82rem;
  margin-bottom: 0.72rem;
  background: color-mix(in oklab, var(--accent-color) 12%, var(--bg-color));
  display: grid;
  gap: 0.5rem;
}

.pilot-challenge-banner p {
  margin: 0;
  line-height: 1.5;
}

.pilot-result {
  margin-top: 0.7rem;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-color);
  padding: 0.86rem;
}

.pilot-result h3 {
  margin: 0 0 0.35rem;
}

.pilot-result p {
  margin: 0 0 0.55rem;
}

.pilot-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.2rem;
}

.pilot-result ol {
  margin: 0.7rem 0 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.28rem;
}

.pilot-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.55rem;
}

.pilot-stat {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-color);
  padding: 0.54rem 0.62rem;
}

.pilot-stat .k {
  display: block;
  font-size: 0.8rem;
  opacity: 0.8;
}

.pilot-stat .v {
  display: block;
  margin-top: 0.15rem;
  font-weight: 620;
  font-size: 1.03rem;
}

.pilot-chart-wrap {
  margin-top: 0.64rem;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-color);
  padding: 0.55rem;
}

#pilot-chart {
  width: 100%;
  min-height: 220px;
  display: block;
}

.history-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-color);
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.history-table th,
.history-table td {
  border-bottom: 1px solid var(--border-color);
  padding: 0.45rem 0.52rem;
  text-align: left;
  white-space: nowrap;
}

.history-table tr:last-child td {
  border-bottom: none;
}

.sources-list {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.32rem;
}

@media (max-width: 760px) {
  .pilot-hero,
  .pilot-panel {
    padding: 0.9rem;
  }

  .pilot-flash-card {
    min-height: 220px;
  }
}

@media (min-width: 1100px) {
  #pilot-quiz-setup {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.15fr) minmax(170px, 0.8fr) minmax(240px, 1fr) auto;
  }

  #pilot-quiz-setup .pilot-quiz-start-wrap {
    justify-content: flex-end;
  }
}

@media (max-width: 980px) {
  #pilot-quiz-setup {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #pilot-quiz-setup .pilot-answer-mode,
  #pilot-quiz-setup .pilot-quiz-start-wrap {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  #pilot-quiz-setup {
    grid-template-columns: 1fr;
  }

  #pilot-quiz-setup .pilot-answer-mode .pilot-inline {
    grid-template-columns: auto minmax(0, 1fr);
  }
}