/* ============================================
   DISC EXERCISES - STYLES
   Inherits design system from styles.css
   ============================================ */

/* ---------- Exercise Page Layout ---------- */
.exercises-page {
  padding-top: 80px;
}

.exercise-nav {
  position: sticky;
  top: 60px; /* must match .nav height */
  z-index: 100;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  padding: var(--space-md) 0;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.exercise-nav__inner {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 0 var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.exercise-nav__inner::-webkit-scrollbar { display: none; }

.exercise-nav__btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: all var(--transition-base);
  cursor: pointer;
}

.exercise-nav__btn:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.exercise-nav__btn.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 2px 12px var(--accent-glow);
}

.exercise-nav__btn .nav-progress {
  font-size: 0.7rem;
  opacity: 0.7;
}

/* ---------- Exercise Sections ---------- */
/* scroll-margin-top clears both the fixed main nav (60px)
   and the sticky exercise sub-nav (~52px) plus breathing room */
.exercise-section[id] {
  scroll-margin-top: 128px;
}

.exercise-section {
  padding: var(--space-4xl) 0;
  border-bottom: 1px solid var(--border);
}

.exercise-section:last-of-type {
  border-bottom: none;
}

.exercise-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.exercise-header .exercise-number {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.exercise-header .exercise-number .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

.exercise-header h2 {
  margin-bottom: var(--space-md);
}

.exercise-header .exercise-desc {
  font-size: clamp(0.95rem, 0.5vw + 0.85rem, 1.1rem);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Progress / Score Bar ---------- */
.exercise-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.progress-pill {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.progress-pill .progress-value {
  font-weight: 700;
  color: var(--text);
  font-family: var(--font-mono);
}

/* ---------- Scenario Card ---------- */
.scenario-card {
  max-width: 700px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.scenario-card__counter {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.scenario-card__text {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: var(--space-xl);
  min-height: 3.4em;
}

/* ---------- DISC Buttons (D/I/S/C choice) ---------- */
.disc-choices {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.disc-choice {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-sm);
  border-radius: var(--radius-md);
  border: 2px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.disc-choice:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.disc-choice__letter {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  transition: transform var(--transition-spring);
}

.disc-choice__letter--d { background: var(--disc-d); }
.disc-choice__letter--i { background: var(--disc-i); }
.disc-choice__letter--s { background: var(--disc-s); }
.disc-choice__letter--c { background: var(--disc-c); }

.disc-choice__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.disc-choice:hover .disc-choice__letter {
  transform: scale(1.1);
}

/* Choice States */
.disc-choice.selected {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.disc-choice.correct {
  border-color: var(--disc-s);
  background: rgba(16,185,129,0.08);
  animation: correctPulse 0.5s ease;
}

.disc-choice.wrong {
  border-color: var(--disc-d);
  background: rgba(239,68,68,0.05);
  animation: wrongShake 0.4s ease;
}

.disc-choice.disabled {
  pointer-events: none;
  opacity: 0.5;
}

.disc-choice.highlight-correct {
  border-color: var(--disc-s);
  opacity: 1 !important;
}

@keyframes correctPulse {
  0% { transform: scale(1); }
  30% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

@keyframes wrongShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

/* ---------- Feedback Overlay ---------- */
.feedback-overlay {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  animation: feedbackSlideIn 0.3s ease;
  display: none;
}

.feedback-overlay.show { display: block; }

.feedback-overlay.correct {
  background: rgba(16,185,129,0.06);
  border-color: rgba(16,185,129,0.2);
}

.feedback-overlay.wrong {
  background: rgba(239,68,68,0.06);
  border-color: rgba(239,68,68,0.2);
}

.feedback-overlay__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-weight: 700;
  font-size: 1rem;
}

.feedback-overlay__header svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.feedback-overlay__header.correct { color: var(--disc-s); }
.feedback-overlay__header.wrong { color: var(--disc-d); }

.feedback-overlay__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.feedback-overlay__next {
  margin-top: var(--space-md);
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
}

.feedback-overlay__next:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

@keyframes feedbackSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Email Card ---------- */
.email-card {
  max-width: 700px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.email-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.email-card__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.email-card__meta {
  flex: 1;
  min-width: 0;
}

.email-card__from {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

.email-card__subject {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.email-card__body {
  padding: var(--space-xl);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-secondary);
  white-space: pre-wrap;
}

.email-card__choices {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--border);
}

/* ---------- Management Scenario (4-option) ---------- */
.manage-card {
  max-width: 750px;
  margin: 0 auto;
}

.manage-card__scenario {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-lg);
}

.manage-card__type-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.manage-card__type-badge.type-d { background: rgba(239,68,68,0.12); color: var(--disc-d); }
.manage-card__type-badge.type-i { background: rgba(245,158,11,0.12); color: var(--disc-i); }
.manage-card__type-badge.type-s { background: rgba(16,185,129,0.12); color: var(--disc-s); }
.manage-card__type-badge.type-c { background: rgba(59,130,246,0.12); color: var(--disc-c); }

.manage-card__text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text);
}

.manage-options {
  display: grid;
  gap: var(--space-md);
}

.manage-option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 2px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  transition: all var(--transition-base);
}

.manage-option:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.manage-option__letter {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  background: var(--bg-3);
  color: var(--text-muted);
  flex-shrink: 0;
}

.manage-option__text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.manage-option.best {
  border-color: var(--disc-s);
  background: rgba(16,185,129,0.06);
}

.manage-option.good {
  border-color: rgba(59,130,246,0.4);
  background: rgba(59,130,246,0.04);
}

.manage-option.ok {
  border-color: rgba(245,158,11,0.3);
  background: rgba(245,158,11,0.03);
}

.manage-option.mismatch {
  border-color: rgba(239,68,68,0.25);
  background: rgba(239,68,68,0.03);
}

.manage-option.disabled {
  pointer-events: none;
}

.manage-option .points-badge {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 700;
  margin-left: var(--space-sm);
  white-space: nowrap;
}

.points-badge.best { background: rgba(16,185,129,0.15); color: var(--disc-s); }
.points-badge.good { background: rgba(59,130,246,0.15); color: var(--disc-c); }
.points-badge.ok { background: rgba(245,158,11,0.15); color: var(--disc-i); }
.points-badge.mismatch { background: rgba(239,68,68,0.12); color: var(--disc-d); }

/* ---------- Conflict Card ---------- */
.conflict-card {
  max-width: 750px;
  margin: 0 auto;
}

.conflict-card__scene {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--space-lg);
}

.conflict-card__text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: var(--space-xl);
}

.conflict-card__identify {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.conflict-person {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--bg-2);
}

.conflict-person__label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.conflict-person__choices {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xs);
}

.conflict-type-btn {
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  background: var(--bg-card);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.conflict-type-btn:hover {
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.conflict-type-btn.selected {
  color: #fff;
}

.conflict-type-btn.selected.d-selected { background: var(--disc-d); border-color: var(--disc-d); }
.conflict-type-btn.selected.i-selected { background: var(--disc-i); border-color: var(--disc-i); }
.conflict-type-btn.selected.s-selected { background: var(--disc-s); border-color: var(--disc-s); }
.conflict-type-btn.selected.c-selected { background: var(--disc-c); border-color: var(--disc-c); }

.conflict-card__resolution {
  margin-top: var(--space-lg);
}

.conflict-resolution-options {
  display: grid;
  gap: var(--space-md);
}

.conflict-resolution-btn {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 2px solid var(--border);
  background: var(--bg-card);
  text-align: left;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.conflict-resolution-btn:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.conflict-submit-btn {
  display: block;
  margin: var(--space-lg) auto 0;
  padding: 12px 32px;
  border-radius: var(--radius-md);
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.conflict-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.conflict-submit-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ---------- Meeting Room ---------- */
.meeting-room {
  max-width: 800px;
  margin: 0 auto;
}

.meeting-characters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.meeting-char {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.meeting-char__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  margin: 0 auto var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
}

.meeting-char__name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 4px;
}

.meeting-char__desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.meeting-moment {
  max-width: 700px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

.meeting-moment__label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.meeting-moment__text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: var(--space-xl);
}

.meeting-choices {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.meeting-choice {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 2px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}

.meeting-choice:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.meeting-choice.correct { border-color: var(--disc-s); background: rgba(16,185,129,0.06); }
.meeting-choice.wrong { border-color: var(--disc-d); background: rgba(239,68,68,0.04); }
.meeting-choice.disabled { pointer-events: none; opacity: 0.5; }
.meeting-choice.highlight-correct { opacity: 1 !important; border-color: var(--disc-s); }

.meeting-choice__name {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text);
}

.meeting-choice__role {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ---------- Quick Fire Round ---------- */
.quickfire-arena {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.quickfire-timer {
  position: relative;
  width: 100%;
  height: 6px;
  background: var(--bg-3);
  border-radius: 3px;
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.quickfire-timer__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--disc-s), var(--disc-i), var(--disc-d));
  border-radius: 3px;
  transition: width 0.1s linear;
}

.quickfire-timer__text {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--space-md);
}

.quickfire-word {
  font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--text);
  margin-bottom: var(--space-2xl);
  min-height: 1.2em;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: wordFadeIn 0.2s ease;
}

@keyframes wordFadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.quickfire-choices {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.quickfire-choice {
  padding: var(--space-lg) var(--space-md);
  border-radius: var(--radius-lg);
  border: 2px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  transition: all 0.1s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.quickfire-choice:hover {
  border-color: var(--border-hover);
  transform: scale(1.03);
}

.quickfire-choice:active {
  transform: scale(0.97);
}

.quickfire-choice__letter {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.3rem;
  color: #fff;
}

.quickfire-choice__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.quickfire-choice.flash-correct {
  border-color: var(--disc-s);
  background: rgba(16,185,129,0.1);
}

.quickfire-choice.flash-wrong {
  border-color: var(--disc-d);
  background: rgba(239,68,68,0.08);
}

.quickfire-start {
  padding: 18px 48px;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--disc-d), var(--disc-i), var(--disc-s), var(--disc-c));
  color: #fff;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 20px rgba(139,92,246,0.25);
}

.quickfire-start:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(139,92,246,0.35);
}

.quickfire-start:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Score Cards ---------- */
.score-card {
  max-width: 500px;
  margin: var(--space-2xl) auto 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  display: none;
}

.score-card.show { display: block; animation: feedbackSlideIn 0.4s ease; }

.score-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.score-card__score {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--space-sm);
}

.score-card__score.excellent { color: var(--disc-s); }
.score-card__score.good { color: var(--disc-c); }
.score-card__score.ok { color: var(--disc-i); }
.score-card__score.needs-work { color: var(--disc-d); }

.score-card__label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.score-card__breakdown {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  text-align: left;
}

.score-card__stat {
  padding: var(--space-md);
  background: var(--bg-2);
  border-radius: var(--radius-md);
}

.score-card__stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.score-card__stat-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
}

.score-card__retry {
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  background: var(--bg-3);
  color: var(--text);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition-base);
}

.score-card__retry:hover {
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

/* ---------- Overall Score Dashboard ---------- */
.overall-dashboard {
  padding: var(--space-4xl) 0;
}

.overall-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: 900px;
  margin: var(--space-2xl) auto 0;
}

.overall-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.overall-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
}

.overall-card__name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.overall-card__score {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--text);
}

.overall-card__score.not-started {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-weight: 500;
}

.overall-total {
  text-align: center;
  margin-top: var(--space-2xl);
}

.overall-total__label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.overall-total__score {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 3.5rem;
  background: linear-gradient(135deg, var(--disc-d), var(--disc-i), var(--disc-s), var(--disc-c));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Leaderboard ---------- */
.leaderboard {
  max-width: 400px;
  margin: var(--space-xl) auto 0;
}

.leaderboard__title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  text-align: center;
}

.leaderboard__entry {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border);
}

.leaderboard__rank {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  width: 24px;
  text-align: center;
}

.leaderboard__score-val {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--disc-i);
  margin-left: auto;
}

.leaderboard__date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---------- Hidden States ---------- */
.hidden { display: none !important; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .disc-choices {
    grid-template-columns: repeat(2, 1fr);
  }

  .meeting-characters {
    grid-template-columns: repeat(2, 1fr);
  }

  .meeting-choices {
    grid-template-columns: repeat(2, 1fr);
  }

  .quickfire-choices {
    grid-template-columns: repeat(2, 1fr);
  }

  .conflict-card__identify {
    grid-template-columns: 1fr;
  }

  .overall-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .score-card__breakdown {
    grid-template-columns: 1fr;
  }

  .scenario-card {
    padding: var(--space-lg);
  }

  .manage-card__scenario {
    padding: var(--space-lg);
  }

  .meeting-moment {
    padding: var(--space-lg);
  }

  .email-card__body {
    padding: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .exercise-nav__btn {
    padding: 8px 12px;
    font-size: 0.78rem;
  }

  .disc-choices {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
  }

  .disc-choice {
    padding: var(--space-sm);
  }

  .disc-choice__letter {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }

  .disc-choice__label {
    font-size: 0.65rem;
  }

  .quickfire-choices {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
  }

  .conflict-person__choices {
    gap: 4px;
  }

  .conflict-type-btn {
    padding: 6px;
    font-size: 0.8rem;
  }
}