/* CSS Variables for Game Header */
:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --card-bg: rgba(255, 255, 255, 0.05);
  --border-color: rgba(255, 255, 255, 0.1);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.8);
  --border-radius: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.2);
  --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Enhanced Game Header */
.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  padding: 16px 24px;
  margin: 20px;
  border-radius: var(--border-radius);
  min-height: 70px;
  box-shadow: var(--shadow-medium);
  z-index: 1000;
  position: sticky;
  top: 20px;
  transition: var(--transition);
}

.game-header:hover {
  box-shadow: var(--shadow-heavy);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Brand container (logo and title) */
.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand img {
  height: 45px;
  width: 45px;
  border-radius: 50%;
  background: var(--primary-gradient);
  padding: 8px;
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

.brand img:hover {
  transform: scale(1.1) rotate(5deg);
}

.brand span {
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--text-primary);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Menu button (hamburger) */
.menu-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 12px;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-btn:hover {
  transform: scale(1.05);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
}

.menu-btn:active {
  transform: scale(0.95);
}

/* Dropdown menu */
.menu-dropdown {
  display: none;
  position: absolute;
  top: 80px;
  right: 24px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: var(--shadow-heavy);
  overflow: hidden;
  z-index: 1002;
  min-width: 200px;
  opacity: 0;
  transform: translateY(-10px);
  transition: var(--transition);
}

.menu-dropdown.show {
  display: block;
  opacity: 1;
  transform: translateY(0);
  animation: dropdownSlide 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes dropdownSlide {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.menu-dropdown button {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  padding: 16px 20px;
  text-align: left;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}

.menu-dropdown button::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--primary-gradient);
  transition: var(--transition);
}

.menu-dropdown button:hover::before {
  width: 4px;
}

.menu-dropdown button:hover {
  background: rgba(255, 255, 255, 0.05);
  padding-left: 24px;
  color: var(--text-primary);
}

/* Game-specific enhancements */
.game-main {
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.game-info {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 100px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Responsive game header */
@media (max-width: 768px) {
  .game-header {
    margin: 10px;
    padding: 12px 16px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
  }

  .brand span {
    font-size: 1.2rem;
  }

  .brand img {
    height: 40px;
    width: 40px;
  }

  .menu-btn {
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
  }

  .menu-dropdown {
    right: 16px;
    min-width: 180px;
  }

  .game-main {
    padding: 15px 10px;
    margin-top: 90px;
  }
}

@media (max-width: 480px) {
  .game-header {
    margin: 5px;
    padding: 10px 12px;
  }

  .brand {
    gap: 12px;
  }

  .brand span {
    font-size: 1.1rem;
  }

  .brand img {
    height: 36px;
    width: 36px;
  }

  .menu-btn {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }

  .game-main {
    padding: 10px 8px;
    margin-top: 80px;
  }
}