:root {
  --primary-color: #0d9488;
  --primary-light: #14b8a6;
  --primary-glow: rgba(13, 148, 136, 0.5);
  --secondary-color: #f97316;
  --danger-color: #ef4444;
  --success-color: #22c55e;
  --warning-color: #eab308;
  --boss-color: #dc2626;
  --bg-dark: #0a0f1e;
  --bg-card: #111827;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --border-color: #1e293b;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--primary-glow);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0f172a 50%, var(--bg-dark) 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 80px 20px 20px;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
  color: var(--text-primary);
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 25% 45%, rgba(255,255,255,0.6), transparent),
    radial-gradient(2px 2px at 40% 15%, rgba(13,148,136,0.7), transparent),
    radial-gradient(1px 1px at 55% 70%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 70% 35%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 85% 55%, rgba(255,255,255,0.6), transparent),
    radial-gradient(2px 2px at 95% 10%, rgba(13,148,136,0.5), transparent),
    radial-gradient(1px 1px at 15% 85%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 60% 90%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1.5px 1.5px at 35% 65%, rgba(13,148,136,0.4), transparent);
  background-size: 250% 250%;
  animation: starDrift 180s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes starDrift {
  0% { background-position: 0% 0%; }
  100% { background-position: 250% 250%; }
}

.game-container {
  background: rgba(17, 24, 39, 0.92);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(13, 148, 136, 0.15), inset 0 1px 0 rgba(255,255,255,0.05);
  max-width: 900px;
  width: 100%;
  padding: 28px;
  animation: containerFadeIn 0.6s ease-out;
  position: relative;
  z-index: 1;
  border: 1px solid rgba(13, 148, 136, 0.25);
  backdrop-filter: blur(10px);
}

@keyframes containerFadeIn {
  from { opacity: 0; transform: translateY(30px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.header {
  text-align: center;
  margin-bottom: 24px;
  position: relative;
}

.title {
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light) 0%, #06b6d4 50%, var(--primary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  filter: drop-shadow(0 0 25px rgba(13, 148, 136, 0.4));
  animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
  from { filter: drop-shadow(0 0 15px rgba(13, 148, 136, 0.3)); }
  to { filter: drop-shadow(0 0 30px rgba(13, 148, 136, 0.6)); }
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  margin-top: 4px;
}

.info-bar {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.info-item {
  flex: 1;
  min-width: 100px;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.08), rgba(6, 182, 212, 0.05));
  padding: 12px 10px;
  border-radius: var(--radius-sm);
  text-align: center;
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,0.03);
  border: 1px solid rgba(13, 148, 136, 0.15);
  transition: var(--transition);
}

.info-item:hover {
  border-color: rgba(13, 148, 136, 0.35);
  box-shadow: var(--shadow-sm), 0 0 15px rgba(13, 148, 136, 0.1);
}

.info-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 5px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.info-value {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary-light);
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

.lives-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.hp-bar-container {
  width: 100%;
  height: 6px;
  background: rgba(239, 68, 68, 0.2);
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.hp-bar {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--danger-color), var(--warning-color), var(--success-color));
  border-radius: 3px;
  transition: width 0.3s ease;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
}

.highscore-item {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.08), rgba(245, 158, 11, 0.05));
  border-color: rgba(234, 179, 8, 0.25);
}

.highscore-item .info-label {
  color: var(--warning-color);
}

.highscore-item .info-value {
  color: var(--warning-color);
  filter: drop-shadow(0 0 8px rgba(234, 179, 8, 0.5));
}

.powerup-item .info-value {
  color: var(--secondary-color);
  filter: drop-shadow(0 0 8px rgba(249, 115, 22, 0.5));
}

.canvas-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  margin-bottom: 22px;
  background: radial-gradient(ellipse at center, #0d1526 0%, #070b14 100%);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow:
    0 0 40px rgba(13, 148, 136, 0.15),
    inset 0 0 60px rgba(13, 148, 136, 0.05),
    inset 0 0 120px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(13, 148, 136, 0.2);
}

#gameCanvas {
  display: block;
  max-width: 100%;
  height: auto;
  image-rendering: crisp-edges;
}

.start-overlay,
.pause-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 11, 20, 0.92);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
  animation: overlayFadeIn 0.3s ease-out;
}

.start-overlay.hidden,
.pause-overlay.hidden {
  display: none;
}

@keyframes overlayFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.start-content,
.pause-content {
  text-align: center;
  color: white;
  animation: contentSlideUp 0.5s ease-out;
}

@keyframes contentSlideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.game-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.logo-ship {
  font-size: 5.5rem;
  animation: shipFloat 3s ease-in-out infinite;
  filter: drop-shadow(0 0 30px rgba(13, 148, 136, 0.7)) drop-shadow(0 0 60px rgba(13, 148, 136, 0.3));
}

@keyframes shipFloat {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}

.logo-text {
  font-size: 2.6rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-light), #06b6d4, var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 4px;
  text-shadow: none;
  filter: drop-shadow(0 0 25px rgba(13, 148, 136, 0.5));
}

.control-guide {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.guide-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 10px 18px;
  background: rgba(13, 148, 136, 0.06);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(13, 148, 136, 0.2);
  transition: var(--transition);
}

.guide-item:hover {
  background: rgba(13, 148, 136, 0.12);
  border-color: rgba(13, 148, 136, 0.4);
  transform: translateX(4px);
}

.guide-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 90px;
  padding: 7px 12px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.82rem;
  box-shadow: 0 3px 12px rgba(13, 148, 136, 0.4);
  letter-spacing: 1px;
  white-space: nowrap;
}

.guide-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.start-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 22px auto 0 auto;
  padding: 16px 48px;
  border: none;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
  border-radius: var(--radius-sm);
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.45);
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  overflow: hidden;
}

.start-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s ease;
}

.start-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 30px rgba(13, 148, 136, 0.6);
}

.start-btn:hover::before {
  left: 100%;
}

.start-btn:active {
  transform: translateY(0) scale(0.98);
}

.btn-icon-large {
  font-size: 1.4rem;
}

.controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.control-btn {
  padding: 12px 18px;
  border: 2px solid rgba(13, 148, 136, 0.4);
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.08), rgba(6, 182, 212, 0.05));
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.control-btn:hover {
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.18), rgba(6, 182, 212, 0.12));
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(13, 148, 136, 0.3);
}

.control-btn:active {
  transform: translateY(0);
}

.control-btn.muted {
  opacity: 0.45;
}

.btn-icon {
  font-size: 1.15rem;
}

.pause-icon {
  font-size: 5rem;
  margin-bottom: 18px;
  animation: pausePulse 2s ease-in-out infinite;
}

@keyframes pausePulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.75; }
}

.pause-content h2 {
  font-size: 2.2rem;
  margin-bottom: 14px;
  color: var(--primary-light);
  filter: drop-shadow(0 0 20px rgba(13, 148, 136, 0.6));
}

.pause-hint {
  color: var(--text-secondary);
  margin-bottom: 26px;
  font-size: 1rem;
}

.pause-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
}

.pause-control-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border: 2px solid rgba(13, 148, 136, 0.35);
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.1), rgba(6, 182, 212, 0.05));
  color: white;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.pause-control-btn:hover {
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.2), rgba(6, 182, 212, 0.12));
  border-color: var(--primary-color);
  transform: scale(1.03);
  box-shadow: 0 0 20px rgba(13, 148, 136, 0.4);
}

.pause-tips {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

kbd {
  display: inline-block;
  padding: 3px 8px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
  border-radius: 5px;
  font-family: 'Plus Jakarta Sans', monospace;
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: 0 2px 6px rgba(13, 148, 136, 0.35);
}

.wave-announce {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: none;
  z-index: 8;
  animation: waveAnnounceIn 0.5s ease-out;
}

.wave-announce.hidden {
  display: none;
}

@keyframes waveAnnounceIn {
  from { opacity: 0; transform: scale(1.5); }
  to { opacity: 1; transform: scale(1); }
}

.wave-text {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--primary-light);
  text-shadow:
    0 0 20px rgba(13, 148, 136, 0.8),
    0 0 40px rgba(13, 148, 136, 0.5),
    0 0 60px rgba(13, 148, 136, 0.3);
  animation: waveTextPulse 1.5s ease-in-out infinite alternate;
  letter-spacing: 3px;
}

.wave-text.boss-wave {
  color: var(--boss-color);
  text-shadow:
    0 0 20px rgba(220, 38, 38, 0.8),
    0 0 40px rgba(220, 38, 38, 0.5),
    0 0 60px rgba(220, 38, 38, 0.3);
}

@keyframes waveTextPulse {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

.instructions {
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.04), rgba(6, 182, 212, 0.02));
  padding: 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(13, 148, 136, 0.12);
}

.instructions-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 1.2rem;
  color: var(--primary-light);
}

.title-icon {
  font-size: 1.4rem;
}

.instructions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.instruction-card {
  background: rgba(13, 148, 136, 0.04);
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(13, 148, 136, 0.12);
  transition: var(--transition);
}

.instruction-card:hover {
  background: rgba(13, 148, 136, 0.1);
  border-color: rgba(13, 148, 136, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(13, 148, 136, 0.15);
}

.card-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 10px;
}

.instruction-card h4 {
  color: var(--primary-light);
  margin-bottom: 8px;
  font-size: 0.98rem;
  font-weight: 700;
}

.instruction-card p {
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.5;
}

.score-info {
  background: rgba(234, 179, 8, 0.04);
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(234, 179, 8, 0.2);
}

.score-info h4 {
  color: var(--warning-color);
  margin-bottom: 14px;
  text-align: center;
  font-size: 1.05rem;
  font-weight: 700;
}

.score-table {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.score-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 8px 10px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.score-row:hover {
  background: rgba(0, 0, 0, 0.35);
  transform: scale(1.03);
}

.boss-row {
  grid-column: 1 / -1;
  background: rgba(220, 38, 38, 0.1);
  border-color: rgba(220, 38, 38, 0.25);
}

.enemy-preview {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 1.2rem;
}

.scout { background: rgba(34, 197, 94, 0.15); }
.fighter { background: rgba(249, 115, 22, 0.15); }
.heavy { background: rgba(168, 85, 247, 0.15); }
.elite { background: rgba(239, 68, 68, 0.15); }
.boss { background: rgba(220, 38, 38, 0.2); }

.score-value {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.88rem;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 11, 20, 0.9);
  backdrop-filter: blur(8px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  animation: modalFadeIn 0.3s ease-out;
}

.modal.active {
  display: flex;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: var(--bg-card);
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg), 0 0 50px rgba(13, 148, 136, 0.15);
  max-width: 520px;
  width: 90%;
  animation: modalContentIn 0.4s ease-out;
  text-align: center;
  border: 1px solid rgba(13, 148, 136, 0.25);
}

@keyframes modalContentIn {
  from { transform: translateY(30px) scale(0.95); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.game-over-content {
  text-align: center;
}

.game-over-icon {
  font-size: 4.5rem;
  margin-bottom: 18px;
  animation: iconBounce 0.6s ease-out;
}

@keyframes iconBounce {
  0% { transform: scale(0) rotate(-20deg); }
  50% { transform: scale(1.15) rotate(5deg); }
  100% { transform: scale(1) rotate(0); }
}

#gameOverTitle {
  color: var(--text-primary);
  margin-bottom: 8px;
  font-size: 1.9rem;
  font-weight: 800;
  text-shadow: 0 0 20px rgba(13, 148, 136, 0.4);
}

.game-over-subtitle {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 0.98rem;
}

.game-over-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px 14px;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.08), rgba(6, 182, 212, 0.04));
  border-radius: var(--radius-sm);
  border: 1px solid rgba(13, 148, 136, 0.15);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.15);
}

.stat-icon {
  font-size: 2.2rem;
  filter: drop-shadow(0 0 10px rgba(13, 148, 136, 0.4));
}

.stat-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary-light);
  text-shadow: 0 0 12px rgba(13, 148, 136, 0.45);
}

.highscore-card {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.12), rgba(245, 158, 11, 0.06));
  border-color: rgba(234, 179, 8, 0.35);
  grid-column: 1 / -1;
  animation: highScoreGlow 2s ease-in-out infinite;
}

@keyframes highScoreGlow {
  0%, 100% { box-shadow: 0 0 15px rgba(234, 179, 8, 0.2); }
  50% { box-shadow: 0 0 30px rgba(234, 179, 8, 0.45); }
}

.highscore-card .stat-value {
  color: var(--warning-color);
  text-shadow: 0 0 12px rgba(234, 179, 8, 0.5);
}

.modal-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
}

.modal-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.98rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.modal-btn.primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
  box-shadow: 0 5px 18px rgba(13, 148, 136, 0.4);
}

.modal-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(13, 148, 136, 0.55);
}

.modal-btn.secondary {
  background: linear-gradient(135deg, rgba(71, 85, 105, 0.8), rgba(100, 116, 139, 0.7));
  color: white;
  border: 2px solid rgba(148, 163, 184, 0.3);
  box-shadow: var(--shadow-sm);
}

.modal-btn.secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(148, 163, 184, 0.25);
}

@media (max-width: 768px) {
  .info-bar {
    gap: 8px;
  }

  .info-item {
    min-width: 80px;
    padding: 10px 6px;
  }

  .info-label {
    font-size: 0.7rem;
  }

  .info-value {
    font-size: 1.15rem;
  }

  .instructions-grid {
    grid-template-columns: 1fr;
  }

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

  .game-over-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}

@media (max-width: 600px) {
  body {
    padding: 70px 12px 16px;
  }

  .game-container {
    padding: 20px 14px;
  }

  .title {
    font-size: 1.8rem;
  }

  .logo-ship {
    font-size: 4rem;
  }

  .logo-text {
    font-size: 2rem;
  }

  .guide-key {
    min-width: 70px;
    font-size: 0.72rem;
    padding: 6px 8px;
  }

  .btn-text {
    display: none;
  }

  .btn-icon {
    font-size: 1.4rem;
  }

  .modal-buttons {
    flex-direction: column;
  }

  .modal-btn {
    width: 100%;
    justify-content: center;
  }

  .wave-text {
    font-size: 2.2rem;
  }
}

@media (max-width: 400px) {
  .info-value {
    font-size: 1rem;
  }

  .game-over-icon {
    font-size: 3.5rem;
  }

  .stat-value {
    font-size: 1.3rem;
  }

  .pause-content h2 {
    font-size: 1.7rem;
  }
}