/* ============================================
   SYNTHWAVE TYPER — Game Screens
   Race mode road, learn mode, menu screens,
   HUD, and game-specific layouts
   ============================================ */

/* ── MENU SCREEN ── */
.menu-screen {
  text-align: center;
  gap: var(--space-xl);
}

.game-title {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 8px;
  background: linear-gradient(180deg, var(--neon-cyan) 0%, var(--neon-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px var(--neon-pink-glow));
  animation: titleSlideIn 1s ease forwards;
  line-height: 1.1;
}

.game-title__sub {
  font-family: var(--font-pixel);
  font-size: var(--fs-xs);
  color: var(--neon-yellow);
  text-shadow: var(--glow-yellow);
  letter-spacing: 6px;
  -webkit-text-fill-color: var(--neon-yellow);
  margin-top: var(--space-sm);
  display: block;
}

.menu-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  justify-content: center;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.menu-buttons__row {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  width: 100%;
}

.menu-stats {
  display: flex;
  gap: var(--space-2xl);
  justify-content: center;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.menu-stat {
  text-align: center;
}

.menu-stat__value {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  color: var(--neon-cyan);
  text-shadow: var(--glow-text-cyan);
}

.menu-stat__label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.menu-stage-label {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--neon-cyan);
  text-shadow: var(--glow-text-cyan);
  letter-spacing: 2px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.btn--play {
  min-width: 260px;
  font-size: var(--fs-xl);
  padding: var(--space-md) var(--space-2xl);
  animation: fadeInUp 0.8s ease 0.3s both, neonPulseCyan 3s ease infinite;
}

.btn--locked {
  opacity: 0.3;
  pointer-events: none;
  filter: grayscale(0.5);
}

/* ── KEY INTRO SCREEN ── */
.key-intro-screen {
  text-align: center;
  gap: var(--space-lg);
  justify-content: center;
}

.key-intro__stage {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--neon-pink);
  text-shadow: var(--glow-pink);
  letter-spacing: 4px;
  animation: fadeInUp 0.5s ease both;
}

.key-intro__title {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  color: var(--neon-cyan);
  text-shadow: var(--glow-text-cyan);
  letter-spacing: 4px;
  animation: fadeInUp 0.5s ease 0.1s both;
}

.key-intro__keys {
  display: flex;
  gap: var(--space-xl);
  justify-content: center;
  animation: fadeInUp 0.5s ease 0.2s both;
}

.key-intro__key {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--neon-yellow);
  text-shadow: 0 0 20px var(--neon-yellow), 0 0 60px var(--neon-yellow-glow);
  animation: neonPulseYellow 1.5s ease infinite;
  background: rgba(255, 225, 86, 0.08);
  border: 2px solid var(--neon-yellow);
  border-radius: var(--radius-md);
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.key-intro__hint {
  font-family: var(--font-body);
  font-size: var(--fs-lg);
  color: var(--text-primary);
  animation: fadeInUp 0.5s ease 0.3s both;
}

.key-intro__fingers {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  animation: fadeInUp 0.5s ease 0.35s both;
}

.key-intro__fingers strong {
  color: var(--neon-cyan);
}

.key-intro__keyboard {
  animation: fadeInUp 0.5s ease 0.4s both;
  transform: scale(0.85);
}

.key-intro__keyboard .key--new {
  background: var(--neon-yellow);
  color: var(--bg-dark);
  border-color: var(--neon-yellow);
  box-shadow: 0 0 15px var(--neon-yellow-glow);
  animation: neonPulseYellow 1.5s ease infinite;
  font-weight: 700;
}

.key-intro__keyboard .key--learned {
  background: rgba(0, 240, 255, 0.15);
  color: var(--neon-cyan);
  border-color: rgba(0, 240, 255, 0.4);
}

.key-intro__keyboard .key--dim {
  opacity: 0.15;
}

.key-intro__timer {
  width: 200px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin: 0 auto;
  overflow: hidden;
}

.key-intro__timer-bar {
  height: 100%;
  background: var(--neon-cyan);
  box-shadow: 0 0 8px var(--neon-cyan);
  width: 100%;
  transition: width 4s linear;
}

.key-intro__skip {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  animation: fadeInUp 0.5s ease 0.5s both;
}

/* ── DRILL SCREEN ── */
.drill-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0;
  gap: 0;
}

.drill-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid rgba(0, 240, 255, 0.15);
}

.drill-header__stage {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--neon-cyan);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.drill-phase {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  color: var(--neon-pink);
  text-shadow: 0 0 20px rgba(255, 45, 149, 0.6);
  letter-spacing: 4px;
  margin-top: 24px;
  animation: fadeInUp 0.4s ease both;
}

.drill-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  width: 240px;
}

.drill-progress__counter {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--neon-cyan);
  white-space: nowrap;
  min-width: 36px;
}

.drill-progress__bar {
  flex: 1;
  height: 6px;
}

.drill-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 16px;
  min-height: 200px;
}

.drill-target {
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--neon-yellow);
  text-shadow: 0 0 30px var(--neon-yellow), 0 0 80px rgba(255, 225, 86, 0.3);
  border: 3px solid var(--neon-yellow);
  border-radius: 16px;
  background: rgba(255, 225, 86, 0.05);
  box-shadow: 0 0 20px rgba(255, 225, 86, 0.15), inset 0 0 20px rgba(255, 225, 86, 0.05);
  animation: neonPulseYellow 1.5s ease infinite;
  transition: transform 0.15s ease, background 0.15s ease;
}

.drill-target--correct {
  transform: scale(1.15);
  background: rgba(57, 255, 20, 0.15);
}

.drill-target--wrong {
  border-color: #ff3333;
  color: #ff3333;
  text-shadow: 0 0 30px #ff3333;
  box-shadow: 0 0 20px rgba(255, 51, 51, 0.3);
  animation: none;
}

.drill-finger-hint {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--neon-pink);
  letter-spacing: 1px;
}

.drill-combo {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  color: var(--neon-cyan);
  text-shadow: 0 0 15px var(--neon-cyan);
  transition: opacity 0.3s ease, color 0.3s ease;
  min-height: 32px;
}

.drill-keyboard {
  transform: scale(0.85);
  margin-bottom: 20px;
  opacity: 0.9;
}

.drill-skip {
  margin-top: 8px;
  margin-bottom: 16px;
  border-color: var(--text-muted) !important;
  color: var(--text-muted) !important;
  font-size: var(--fs-xs) !important;
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

.drill-skip:hover {
  opacity: 1;
}

.race-stage-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--neon-pink);
  text-shadow: var(--glow-pink);
  letter-spacing: 1px;
}

@keyframes neonPulseYellow {
  0%, 100% { box-shadow: 0 0 10px var(--neon-yellow-glow); }
  50% { box-shadow: 0 0 25px var(--neon-yellow), 0 0 50px var(--neon-yellow-glow); }
}

/* ── GRADE SELECT ── */
.grade-select {
  text-align: center;
}

.grade-select__title {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  color: var(--neon-cyan);
  text-shadow: var(--glow-text-cyan);
  margin-bottom: var(--space-sm);
  letter-spacing: 3px;
}

.grade-select__subtitle {
  font-family: var(--font-body);
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
}

.grade-grid {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

/* ── LESSON SELECT ── */
.lesson-select__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
  width: 100%;
  max-width: 900px;
  margin-bottom: var(--space-xl);
}

.lesson-card {
  background: var(--bg-surface);
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.lesson-card:hover {
  border-color: var(--neon-cyan);
  transform: translateY(-3px);
  box-shadow: 0 0 20px var(--neon-cyan-glow);
}

.lesson-card.locked {
  opacity: 0.35;
  pointer-events: none;
  filter: grayscale(0.5);
}

.lesson-card.locked::after {
  content: '🔒';
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: var(--fs-base);
  z-index: 2;
}

.lesson-card.completed {
  border-color: var(--neon-green);
}

.lesson-card.completed::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--neon-green);
  box-shadow: 0 0 10px var(--neon-green-glow);
}

.lesson-card__number {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  color: var(--neon-pink);
  text-shadow: var(--glow-text-pink);
}

.lesson-card__title {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.lesson-card__keys {
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  color: var(--neon-cyan);
  margin-top: var(--space-sm);
  letter-spacing: 4px;
}

.lesson-card__stars {
  margin-top: var(--space-sm);
  font-size: var(--fs-sm);
}

/* ── LEARN MODE SCREEN ── */
.learn-screen {
  justify-content: flex-start;
  padding-top: 0;
}

.learn-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-xl);
}

.learn-progress {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex: 1;
  max-width: 400px;
}

.learn-progress__text {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  white-space: nowrap;
}

.learn-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: var(--space-lg);
}

/* Finger instruction text */
.finger-instruction {
  font-family: var(--font-body);
  font-size: var(--fs-lg);
  color: var(--text-primary);
  text-align: center;
  min-height: 30px;
}

.finger-instruction span {
  color: var(--neon-yellow);
  font-weight: 600;
}

/* ══════════════════════════════════════════════
   RACE MODE — Tron Light Cycle Race
   ══════════════════════════════════════════════ */

.race-screen {
  justify-content: flex-start;
  padding: 0;
}

/* HUD Bar */
.race-hud {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-xl);
  background: rgba(5, 5, 16, 0.92);
  border-bottom: 2px solid rgba(0, 240, 255, 0.2);
  backdrop-filter: blur(10px);
  gap: var(--space-sm) var(--space-lg);
  z-index: 10;
  flex-shrink: 0;
  flex-wrap: wrap;
  min-height: 0;
}

.race-hud__section {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 1;
  min-width: 0;
}

/* ── Race Track (top-down Tron grid) ── */
.race-arena {
  flex: 1;
  width: 100%;
  position: relative;
  overflow: hidden;
  background: var(--bg-darker);
}

/* Tron grid floor */
.race-arena__grid {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      90deg,
      rgba(0, 240, 255, 0.04) 0px,
      rgba(0, 240, 255, 0.04) 1px,
      transparent 1px,
      transparent 60px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(0, 240, 255, 0.04) 0px,
      rgba(0, 240, 255, 0.04) 1px,
      transparent 1px,
      transparent 60px
    );
  animation: tronGridPulse 4s ease-in-out infinite;
}

@keyframes tronGridPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* Lane divider */
.race-arena__divider {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: repeating-linear-gradient(
    180deg,
    rgba(0, 240, 255, 0.3) 0px,
    rgba(0, 240, 255, 0.3) 20px,
    transparent 20px,
    transparent 40px
  );
  transform: translateX(-50%);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.15);
}

/* ── Position Progress Bar (who's ahead) ── */
.race-position-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 48px;
  background: rgba(5, 5, 16, 0.85);
  border-bottom: 1px solid rgba(0, 240, 255, 0.15);
  display: flex;
  align-items: center;
  padding: 0 var(--space-xl);
  z-index: 6;
}

.race-position-track {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  position: relative;
  margin: 0 50px;
}

/* Finish flag at the end */
.race-position-track::after {
  content: '🏁';
  position: absolute;
  right: -24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
}

.race-position-track::before {
  content: 'START';
  position: absolute;
  left: -48px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* Player marker on position bar */
.race-position-player {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  background: var(--neon-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan-glow);
  transition: left 0.3s ease;
  z-index: 2;
}

.race-position-player::after {
  content: 'YOU';
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  color: var(--neon-cyan);
  white-space: nowrap;
}

/* Opponent marker on position bar */
.race-position-opponent {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  background: var(--neon-pink);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--neon-pink), 0 0 20px var(--neon-pink-glow);
  transition: left 0.3s ease;
  z-index: 2;
}

.race-position-opponent::after {
  content: 'CPU';
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  color: var(--neon-pink);
  white-space: nowrap;
}

/* ── Light Cycles ── */
.light-cycle {
  position: absolute;
  width: 36px;
  height: 60px;
  z-index: 5;
  transition: top 0.15s linear;
}

/* Player cycle (left lane, bottom) */
.light-cycle--player {
  left: 25%;
  bottom: 18%;
  transform: translateX(-50%);
}

/* Opponent cycle (right lane) */
.light-cycle--opponent {
  right: 25%;
  bottom: 18%;
  transform: translateX(50%);
}

/* Cycle body shape */
.light-cycle__body {
  width: 100%;
  height: 100%;
  position: relative;
}

/* Player cycle CSS art — colors from equipped ship */
.light-cycle--player .light-cycle__body::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 4px;
  right: 4px;
  height: 85%;
  background: var(--ship-body, var(--neon-cyan));
  clip-path: var(--ship-clip, polygon(30% 0%, 70% 0%, 100% 30%, 100% 100%, 0% 100%, 0% 30%));
  box-shadow: 0 0 12px var(--ship-glow, var(--neon-cyan)), 0 0 25px var(--ship-glow, var(--neon-cyan));
}

/* Player windshield accent */
.light-cycle--player .light-cycle__body::after {
  content: '';
  position: absolute;
  top: 10%;
  left: 30%;
  right: 30%;
  height: 20%;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 2px;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.4);
}

/* Opponent cycle CSS art */
.light-cycle--opponent .light-cycle__body::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 4px;
  right: 4px;
  height: 85%;
  background: linear-gradient(180deg,
    var(--neon-pink) 0%,
    rgba(255, 45, 149, 0.6) 50%,
    var(--neon-pink) 100%
  );
  clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 100%, 0% 100%, 0% 30%);
  box-shadow: 0 0 12px var(--neon-pink), 0 0 25px var(--neon-pink-glow);
}

.light-cycle--opponent .light-cycle__body::after {
  content: '';
  position: absolute;
  top: 10%;
  left: 30%;
  right: 30%;
  height: 20%;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 2px;
}

/* ── Light Trails ── */
.light-trail {
  position: absolute;
  bottom: 0;
  width: 4px;
  border-radius: 2px;
  z-index: 3;
  transition: height 0.3s ease;
}

.light-trail--player {
  left: 25%;
  transform: translateX(-50%);
  background: linear-gradient(0deg, transparent, var(--ship-trail, var(--neon-cyan)));
  box-shadow: 0 0 8px var(--ship-trail, var(--neon-cyan)), 0 0 16px var(--ship-trail, var(--neon-cyan));
  height: 0;
}

.light-trail--opponent {
  right: 25%;
  transform: translateX(50%);
  background: linear-gradient(0deg, transparent, var(--neon-pink));
  box-shadow: 0 0 8px var(--neon-pink), 0 0 16px var(--neon-pink-glow);
  height: 0;
}

/* ── Word Display (center of arena) ── */
.race-word-zone {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 7;
  text-align: center;
  width: 80%;
  max-width: 600px;
}

.race-word-display {
  font-family: var(--font-mono);
  font-size: var(--fs-3xl);
  letter-spacing: 6px;
  line-height: 1.6;
  padding: var(--space-lg) var(--space-xl);
  background: rgba(5, 5, 16, 0.85);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2px;
}

.race-word-display .typing-area__char {
  font-size: var(--fs-3xl);
  padding: 2px 3px;
}

.race-word-label {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  color: var(--neon-cyan);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
  text-shadow: var(--glow-text-cyan);
}

/* ── Speed Boost Visual ── */
.race-arena.boosted .race-arena__grid {
  background:
    repeating-linear-gradient(
      90deg,
      rgba(0, 240, 255, 0.08) 0px,
      rgba(0, 240, 255, 0.08) 1px,
      transparent 1px,
      transparent 60px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(0, 240, 255, 0.08) 0px,
      rgba(0, 240, 255, 0.08) 1px,
      transparent 1px,
      transparent 60px
    );
}

.race-arena.boosted .light-cycle--player .light-cycle__body::before {
  box-shadow: 0 0 20px var(--ship-glow, var(--neon-cyan)), 0 0 40px var(--ship-glow, var(--neon-cyan)), 0 0 60px var(--ship-glow, var(--neon-cyan));
}

/* ── Typing input area for race mode ── */
.race-input-area {
  width: 100%;
  padding: var(--space-md) var(--space-xl);
  background: rgba(5, 5, 16, 0.95);
  border-top: 2px solid rgba(0, 240, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-shrink: 0;
}

.race-input {
  font-family: var(--font-mono);
  font-size: var(--fs-xl);
  background: rgba(10, 10, 26, 0.9);
  border: 2px solid var(--neon-cyan);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: var(--space-sm) var(--space-lg);
  width: 340px;
  max-width: 90%;
  text-align: center;
  letter-spacing: 4px;
  outline: none;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.15), inset 0 0 10px rgba(0, 240, 255, 0.05);
}

.race-input:focus {
  box-shadow: var(--glow-cyan), inset 0 0 15px rgba(0, 240, 255, 0.1);
}

.race-input.wrong {
  border-color: #ff3333;
  box-shadow: 0 0 15px rgba(255, 50, 50, 0.3);
  animation: screenShake 0.3s ease;
}

/* ── Boss Battle ── */
.boss-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 45, 149, 0.05);
  border: 3px solid var(--neon-pink);
  animation: glowBorderPink 1s ease-in-out infinite;
  pointer-events: none;
  z-index: 8;
}

.boss-warning {
  position: absolute;
  top: 12%;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-pixel);
  font-size: var(--fs-lg);
  color: var(--neon-pink);
  text-shadow: var(--glow-text-pink);
  animation: bossWarning 0.5s ease-in-out infinite;
  letter-spacing: 4px;
  z-index: 9;
}

.boss-timer {
  position: absolute;
  top: 22%;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  color: var(--neon-yellow);
  text-shadow: var(--glow-yellow);
  z-index: 9;
}

/* ── Combo display in race ── */
.combo-display {
  position: absolute;
  top: 50%;
  right: var(--space-xl);
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  text-align: center;
  opacity: 0;
  transition: all var(--transition-fast);
  pointer-events: none;
  z-index: 8;
}

.combo-display.active {
  opacity: 1;
}

.combo-display.fire {
  animation: comboFire 0.5s ease;
  color: var(--neon-yellow);
  text-shadow: var(--glow-yellow);
}

/* Race lap counter */
.race-lap {
  font-family: var(--font-pixel);
  font-size: var(--fs-xs);
  color: var(--neon-purple);
  text-shadow: var(--glow-purple);
  letter-spacing: 2px;
}

/* ── RESULTS SCREEN ── */
.results-screen {
  text-align: center;
  gap: var(--space-xl);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-lg) var(--space-xl);
}

.results-title {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  letter-spacing: 4px;
}

.results-title.victory {
  color: var(--neon-cyan);
  text-shadow: var(--glow-text-cyan);
  animation: neonPulseCyan 2s ease-in-out infinite;
}

.results-title.defeat {
  color: #ff3333;
  text-shadow: 0 0 7px rgba(255, 50, 50, 0.5);
}

.results-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  background: rgba(10, 10, 26, 0.6);
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: var(--radius-lg);
  max-width: 650px;
  width: 100%;
}

.result-stat__value {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  color: var(--neon-cyan);
  text-shadow: var(--glow-text-cyan);
  word-break: break-word;
  overflow-wrap: break-word;
}

.result-stat__label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: var(--space-xs);
}

.results-xp {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  max-width: 400px;
}

.results-xp__text {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  color: var(--neon-purple);
}

.results-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

/* ── LEVEL UP OVERLAY ── */
.levelup-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  pointer-events: none;
  opacity: 0;
}

.levelup-overlay.active {
  opacity: 1;
  animation: levelUpBg 3s ease forwards;
  background: rgba(185, 79, 255, 0.2);
}

.levelup-text {
  font-family: var(--font-display);
  font-size: var(--fs-4xl);
  color: var(--neon-purple);
  text-shadow: var(--glow-purple);
  animation: levelUp 0.8s ease forwards;
  letter-spacing: 6px;
}

.levelup-level {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  color: var(--neon-yellow);
  text-shadow: var(--glow-yellow);
  animation: levelUp 0.8s ease 0.2s both;
}

/* ── ACHIEVEMENTS SCREEN ── */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-md);
  width: 100%;
  max-width: 900px;
}

.achievement-card {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
  opacity: 0.4;
}

.achievement-card.unlocked {
  opacity: 1;
  border-color: var(--neon-yellow);
}

.achievement-card__icon {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-sm);
}

.achievement-card__name {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  color: var(--neon-cyan);
  letter-spacing: 1px;
}

.achievement-card__desc {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ── SETTINGS ── */
.settings-panel {
  max-width: 500px;
  width: 100%;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.setting-row__label {
  font-family: var(--font-body);
  color: var(--text-secondary);
}

/* Toggle switch */
.toggle {
  width: 48px;
  height: 26px;
  background: var(--bg-darker);
  border: 2px solid var(--text-muted);
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-base);
}

.toggle.active {
  background: rgba(0, 240, 255, 0.2);
  border-color: var(--neon-cyan);
}

.toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: all var(--transition-base);
}

.toggle.active::after {
  left: 24px;
  background: var(--neon-cyan);
  box-shadow: 0 0 8px var(--neon-cyan-glow);
}

/* ── Screen Shake Container ── */
.shake {
  animation: screenShake 0.3s ease;
}

/* ── Ship Effect Utility Classes ── */
.ship-effect--double-glow .light-cycle__body::before {
  box-shadow:
    0 0 12px var(--ship-glow, var(--neon-cyan)),
    0 0 25px var(--ship-glow, var(--neon-cyan)),
    0 0 40px var(--ship-glow, var(--neon-cyan)) !important;
}

.ship-effect--rainbow-pulse .light-cycle__body::before {
  animation: rainbowPulse 2s linear infinite;
}

.ship-effect--pulse .light-cycle__body::before {
  animation: shipPulse 1.5s ease-in-out infinite;
}

@keyframes rainbowPulse {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

@keyframes shipPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ══════════════════════════════════════════════
   WELCOME SCREEN
   ══════════════════════════════════════════════ */

.welcome-screen {
  text-align: center;
  gap: var(--space-xl);
  justify-content: center;
}

.welcome-title {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  background: linear-gradient(180deg, var(--neon-cyan) 0%, var(--neon-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px var(--neon-pink-glow));
  letter-spacing: 4px;
  animation: fadeInUp 0.6s ease both;
}

.welcome-subtitle {
  font-family: var(--font-body);
  color: var(--text-secondary);
  font-size: var(--fs-lg);
  animation: fadeInUp 0.6s ease 0.1s both;
}

.welcome-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  animation: fadeInUp 0.6s ease 0.2s both;
}

.welcome-field {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.welcome-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--neon-cyan);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.welcome-initials-input {
  width: 160px;
  text-align: center;
  font-size: var(--fs-2xl) !important;
  letter-spacing: 10px !important;
  text-transform: uppercase;
}

.welcome-error {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: #ff3333;
  text-shadow: 0 0 8px rgba(255, 51, 51, 0.4);
  max-width: 280px;
}

.welcome-school-grid {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

.welcome-school-card {
  min-width: 100px;
  cursor: pointer;
  transition: all var(--transition-base);
}

.welcome-school-card.selected {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 0 20px var(--neon-cyan-glow);
}

.welcome-school-card[data-school="east"].selected {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px var(--neon-cyan-glow);
}

.welcome-school-card[data-school="south"].selected {
  border-color: var(--neon-pink);
  box-shadow: 0 0 20px var(--neon-pink-glow);
}

.welcome-school-card[data-school="west"].selected {
  border-color: var(--neon-yellow);
  box-shadow: 0 0 20px var(--neon-yellow-glow);
}

/* ══════════════════════════════════════════════
   LEADERBOARD SCREEN
   ══════════════════════════════════════════════ */

.leaderboard-screen {
  text-align: center;
  gap: var(--space-lg);
  padding-bottom: var(--space-2xl);
}

.leaderboard-filters {
  display: flex;
  gap: var(--space-xl);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.leaderboard-filter-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.leaderboard-filter-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-right: var(--space-xs);
}

.leaderboard-filter-btn {
  min-width: auto !important;
  padding: var(--space-xs) var(--space-sm) !important;
  font-size: var(--fs-xs) !important;
}

.leaderboard-filter-btn.active {
  background: var(--neon-cyan);
  color: var(--bg-dark);
  border-color: var(--neon-cyan);
}

.leaderboard-boards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  width: 100%;
  max-width: 1000px;
}

.leaderboard-board {
  background: rgba(10, 10, 26, 0.6);
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: left;
}

.leaderboard-board__title {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  color: var(--neon-cyan);
  text-shadow: var(--glow-text-cyan);
  letter-spacing: 2px;
  margin-bottom: var(--space-md);
  text-align: center;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(0, 240, 255, 0.15);
}

.leaderboard-board__entries {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.leaderboard-entry {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  transition: background var(--transition-fast);
}

.leaderboard-entry:nth-child(1) .leaderboard-rank { color: var(--neon-yellow); text-shadow: var(--glow-yellow); }
.leaderboard-entry:nth-child(2) .leaderboard-rank { color: var(--text-primary); }
.leaderboard-entry:nth-child(3) .leaderboard-rank { color: var(--neon-orange); }

.leaderboard-entry--self {
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.leaderboard-rank {
  width: 24px;
  text-align: center;
  color: var(--text-muted);
  font-weight: 700;
}

.leaderboard-initials {
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: 2px;
  min-width: 36px;
}

.leaderboard-school-badge {
  font-size: 0.6rem;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  letter-spacing: 1px;
  font-weight: 700;
}

.school-badge--east {
  background: rgba(0, 240, 255, 0.15);
  color: var(--neon-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.school-badge--south {
  background: rgba(255, 45, 149, 0.15);
  color: var(--neon-pink);
  border: 1px solid rgba(255, 45, 149, 0.3);
}

.school-badge--west {
  background: rgba(255, 225, 86, 0.15);
  color: var(--neon-yellow);
  border: 1px solid rgba(255, 225, 86, 0.3);
}

.leaderboard-value {
  margin-left: auto;
  color: var(--neon-cyan);
  font-weight: 700;
}

.leaderboard-loading {
  grid-column: 1 / -1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--text-muted);
  padding: var(--space-2xl);
  letter-spacing: 2px;
}

.leaderboard-empty {
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  padding: var(--space-lg);
}

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

/* ══════════════════════════════════════════════
   WORD FALL MODE — Lumines-Inspired
   Beat-synced visuals, driving rhythm
   ══════════════════════════════════════════════ */

.wordfall-screen {
  justify-content: flex-start;
  padding: 0;
}

/* ── Play Field ── */
.wordfall-field {
  --skin-accent: #ff2d95;
  --skin-glow: #00f0ff;
  --skin-pulse: rgba(255, 45, 149, 0.06);

  flex: 1;
  width: 100%;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(10, 10, 26, 0.2) 0%, rgba(5, 5, 16, 0.95) 100%),
    repeating-linear-gradient(
      90deg,
      rgba(0, 240, 255, 0.03) 0px,
      rgba(0, 240, 255, 0.03) 1px,
      transparent 1px,
      transparent 80px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(0, 240, 255, 0.03) 0px,
      rgba(0, 240, 255, 0.03) 1px,
      transparent 1px,
      transparent 80px
    );
  transition: box-shadow 0.3s ease;
}

/* ── Beat Pulse — field flashes on every beat ── */
.wordfall-field.wf-beat-pulse {
  animation: wfFieldPulse 0.15s ease-out;
}

@keyframes wfFieldPulse {
  0% {
    box-shadow: inset 0 0 80px var(--skin-pulse);
  }
  100% {
    box-shadow: inset 0 0 0px transparent;
  }
}

/* ── Beat Line — sweeps left to right per bar ── */
.wf-beat-line {
  --beat-line-color: #ff2d95;
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--beat-line-color);
  box-shadow:
    0 0 8px var(--beat-line-color),
    0 0 20px var(--beat-line-color),
    0 0 40px color-mix(in srgb, var(--beat-line-color) 50%, transparent);
  opacity: 0.7;
  z-index: 10;
  pointer-events: none;
  will-change: transform;
}

/* ── Skin Name Flash ── */
.wf-skin-name {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  color: var(--skin-accent);
  text-shadow: 0 0 20px var(--skin-accent), 0 0 40px var(--skin-accent);
  text-transform: uppercase;
  letter-spacing: 6px;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  z-index: 15;
}

/* ── Words ── */
.wordfall-word {
  position: absolute;
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2.5vw, 1.4rem);
  letter-spacing: clamp(1px, 0.3vw, 3px);
  padding: 4px 8px;
  background: rgba(10, 10, 26, 0.85);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  white-space: nowrap;
  z-index: 3;
  backdrop-filter: blur(4px);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  max-width: 90%;
  overflow: hidden;
  text-overflow: ellipsis;
  box-sizing: border-box;
}

/* Word beat pulse — subtle border flash */
.wordfall-word.wf-word-pulse {
  border-color: rgba(0, 240, 255, 0.45);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.1);
}

.wordfall-word .wf-char {
  transition: color 0.08s ease, text-shadow 0.08s ease;
}

.wordfall-word .wf-typed {
  color: var(--skin-glow, var(--neon-cyan));
  text-shadow: 0 0 10px var(--skin-glow, var(--neon-cyan));
}

.wordfall-word .wf-wrong {
  color: #ff3333;
  text-shadow: 0 0 8px #ff3333;
  animation: wfWrongFlash 0.15s ease;
}

@keyframes wfWrongFlash {
  0% { transform: translateX(-2px); }
  50% { transform: translateX(2px); }
  100% { transform: translateX(0); }
}

.wf-targeted {
  border-color: var(--neon-yellow) !important;
  box-shadow: 0 0 12px var(--neon-yellow-glow), 0 0 30px rgba(255, 225, 86, 0.15) !important;
  background: rgba(255, 225, 86, 0.06);
}

.wf-danger {
  border-color: #ff3333 !important;
  box-shadow: 0 0 15px rgba(255, 51, 51, 0.5) !important;
  animation: wfDanger 0.4s ease infinite;
}

@keyframes wfDanger {
  0%, 100% { border-color: #ff3333; }
  50% { border-color: #ff6666; box-shadow: 0 0 25px rgba(255, 51, 51, 0.7); }
}

/* ── Destroyed (pending beat line sweep) ── */
.wf-destroyed-pending {
  opacity: 0.6;
  border-color: var(--skin-glow, var(--neon-cyan));
  box-shadow: 0 0 15px var(--skin-glow, var(--neon-cyan));
  animation: wfDestroyPending 0.3s ease infinite alternate;
  pointer-events: none;
}

@keyframes wfDestroyPending {
  0% { opacity: 0.4; }
  100% { opacity: 0.7; }
}

/* ── Destroyed (beat line passes — explosion!) ── */
.wf-destroyed {
  animation: wfDestroy 0.5s ease forwards;
  pointer-events: none;
}

@keyframes wfDestroy {
  0% {
    transform: scale(1);
    opacity: 1;
    filter: brightness(1);
  }
  30% {
    transform: scale(1.5);
    opacity: 0.8;
    filter: brightness(3);
    border-color: var(--skin-accent, var(--neon-cyan));
    box-shadow: 0 0 40px var(--skin-accent, var(--neon-cyan)), 0 0 80px var(--skin-glow, var(--neon-cyan));
  }
  100% {
    transform: scale(0);
    opacity: 0;
    filter: brightness(0);
  }
}

.wf-missed {
  animation: wfMiss 0.4s ease forwards;
  pointer-events: none;
}

@keyframes wfMiss {
  0% { opacity: 1; }
  50% { border-color: #ff3333; box-shadow: 0 0 25px rgba(255, 51, 51, 0.6); }
  100% { opacity: 0; transform: translateY(25px) scale(0.8); }
}

/* ── Combo Tier Visual Effects ── */

/* Hot (3+) — accent border on words */
.wf-combo-hot .wordfall-word:not(.wf-targeted):not(.wf-danger) {
  border-color: rgba(0, 240, 255, 0.35);
}

/* Fire (5+) — field edge glow */
.wf-combo-fire {
  box-shadow: inset 0 0 60px rgba(255, 225, 86, 0.08) !important;
}
.wf-combo-fire .wordfall-word:not(.wf-targeted):not(.wf-danger) {
  border-color: rgba(255, 225, 86, 0.4);
}

/* Blazing (10+) — intense glow + word trails */
.wf-combo-blazing {
  box-shadow: inset 0 0 100px rgba(255, 107, 53, 0.1) !important;
}
.wf-combo-blazing .wordfall-word {
  box-shadow: 0 8px 25px rgba(255, 107, 53, 0.15);
}
.wf-combo-blazing .wf-beat-line {
  width: 5px;
  opacity: 0.9;
}

/* Legendary (15+) — maximum spectacle */
.wf-combo-legendary {
  box-shadow: inset 0 0 120px rgba(255, 45, 149, 0.12) !important;
  animation: wfLegendaryPulse 0.5s ease infinite alternate;
}
.wf-combo-legendary .wordfall-word {
  box-shadow: 0 0 20px rgba(255, 45, 149, 0.2), 0 8px 30px rgba(185, 79, 255, 0.15);
}
.wf-combo-legendary .wf-beat-line {
  width: 6px;
  opacity: 1;
  box-shadow:
    0 0 15px var(--beat-line-color),
    0 0 40px var(--beat-line-color),
    0 0 80px var(--beat-line-color);
}

@keyframes wfLegendaryPulse {
  0% { box-shadow: inset 0 0 120px rgba(255, 45, 149, 0.08); }
  100% { box-shadow: inset 0 0 120px rgba(255, 45, 149, 0.16); }
}

/* ── Combo Display ── */
.wf-combo-display {
  position: absolute;
  top: 50%;
  right: var(--space-xl);
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  text-align: center;
  opacity: 0;
  transition: all var(--transition-fast);
  pointer-events: none;
  z-index: 12;
  text-shadow: 0 0 10px currentColor, 0 0 30px currentColor;
  letter-spacing: 2px;
}

/* ── Ship (bottom center) ── */
.wordfall-ship {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  color: var(--skin-glow, var(--neon-cyan));
  text-shadow: 0 0 15px var(--skin-glow, var(--neon-cyan)), 0 0 30px var(--skin-glow, var(--neon-cyan));
  pointer-events: none;
  z-index: 5;
}

/* ── BPM Indicator (HUD) ── */
.wf-bpm-display {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  opacity: 0.6;
}

/* ── Word Fall HUD overrides — compact HUD for more play area ── */
.wordfall-screen .race-hud {
  padding: var(--space-xs) var(--space-lg);
}

.wordfall-screen .score-display {
  font-size: var(--fs-lg);
}

.wordfall-screen .heart {
  font-size: var(--fs-base);
}

.wordfall-screen .lives {
  gap: var(--space-xs);
}

.wordfall-screen .wpm-meter__value {
  font-size: var(--fs-lg);
}

.wordfall-screen .race-lap {
  font-size: 0.6rem;
  letter-spacing: 1px;
  white-space: nowrap;
}

/* ══════════════════════════════════════════════
   KEY MASTERY SCREEN
   ══════════════════════════════════════════════ */

.mastery-screen {
  text-align: center;
  gap: var(--space-lg);
  padding-bottom: var(--space-2xl);
}

.mastery-keyboard {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin: var(--space-lg) 0;
}

.mastery-row {
  display: flex;
  gap: 6px;
  justify-content: center;
}

.mastery-key {
  width: 56px;
  height: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 2px solid rgba(255, 255, 255, 0.1);
  background: rgba(10, 10, 26, 0.6);
  cursor: default;
  transition: all var(--transition-base);
}

.mastery-key__letter {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 700;
}

.mastery-key__pct {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  opacity: 0.8;
  margin-top: 1px;
}

.mastery-none {
  border-color: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.mastery-red {
  border-color: #ff3333;
  color: #ff3333;
  background: rgba(255, 51, 51, 0.08);
  box-shadow: inset 0 0 8px rgba(255, 51, 51, 0.1);
}

.mastery-orange {
  border-color: var(--neon-orange);
  color: var(--neon-orange);
  background: rgba(255, 107, 53, 0.08);
  box-shadow: inset 0 0 8px rgba(255, 107, 53, 0.1);
}

.mastery-yellow {
  border-color: var(--neon-yellow);
  color: var(--neon-yellow);
  background: rgba(255, 225, 86, 0.08);
  box-shadow: inset 0 0 8px rgba(255, 225, 86, 0.1);
}

.mastery-green {
  border-color: var(--neon-green);
  color: var(--neon-green);
  background: rgba(57, 255, 20, 0.08);
  box-shadow: inset 0 0 8px rgba(57, 255, 20, 0.1);
}

.mastery-gold {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  background: rgba(0, 240, 255, 0.1);
  box-shadow: 0 0 12px var(--neon-cyan-glow), inset 0 0 10px rgba(0, 240, 255, 0.15);
  animation: neonPulseCyan 3s ease infinite;
}

.mastery-legend {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.mastery-legend__item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

.mastery-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  border: 1px solid;
}

.mastery-dot.mastery-gold { background: rgba(0, 240, 255, 0.3); border-color: var(--neon-cyan); }
.mastery-dot.mastery-green { background: rgba(57, 255, 20, 0.3); border-color: var(--neon-green); }
.mastery-dot.mastery-yellow { background: rgba(255, 225, 86, 0.3); border-color: var(--neon-yellow); }
.mastery-dot.mastery-orange { background: rgba(255, 107, 53, 0.3); border-color: var(--neon-orange); }
.mastery-dot.mastery-red { background: rgba(255, 51, 51, 0.3); border-color: #ff3333; }
.mastery-dot.mastery-none { background: rgba(255, 255, 255, 0.05); border-color: rgba(255, 255, 255, 0.15); }

.mastery-weak {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background: rgba(10, 10, 26, 0.6);
  border: 1px solid rgba(255, 107, 53, 0.2);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
}

.mastery-weak__title {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  color: var(--neon-orange);
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}

.mastery-weak__keys {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.weak-key-badge {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  color: #ff3333;
  background: rgba(255, 51, 51, 0.1);
  border: 1px solid rgba(255, 51, 51, 0.3);
  border-radius: var(--radius-sm);
  padding: 4px 12px;
}

.weak-key-badge small {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin-left: 4px;
}

@media (max-width: 768px) {
  .mastery-key {
    width: 36px;
    height: 44px;
  }
  .mastery-key__letter { font-size: var(--fs-sm); }
  .mastery-key__pct { display: none; }
}