body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    font-family: 'Arial', sans-serif;
}

.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

/* 修复白色导航栏的文字颜色 */
.navbar.navbar-light .navbar-brand,
.navbar.navbar-light .navbar-nav .nav-link,
.navbar.navbar-light .navbar-text {
    color: #212529 !important;
    font-weight: 600 !important;
    text-shadow: none !important;
}

.navbar.navbar-light .navbar-nav .nav-link:hover {
    color: #007bff !important;
    background-color: rgba(0, 123, 255, 0.1) !important;
    border-radius: 5px;
}

.navbar.navbar-light .navbar-nav .nav-link.active {
    color: #007bff !important;
    font-weight: bold !important;
    background-color: rgba(0, 123, 255, 0.15) !important;
    border-radius: 5px;
}

/* 修复浅色导航栏汉堡菜单图标在移动端不可见的问题 */
.navbar.navbar-light .navbar-toggler {
    border-color: rgba(0, 0, 0, 0.1) !important;
}

.navbar.navbar-light .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833, 37, 41, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.achievement-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.player-profile {
    background: linear-gradient(135deg, #d4af37, #f4e4bc);
    color: #333;
    border-radius: 25px;
    padding: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.level-badge {
    display: inline-block;
    background: linear-gradient(45deg, #ff6b6b, #ee5a52);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0.5rem;
    box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
}

.points-badge {
    display: inline-block;
    background: linear-gradient(45deg, #4ecdc4, #44a08d);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0.5rem;
    box-shadow: 0 5px 15px rgba(78, 205, 196, 0.3);
}

.streak-badge {
    display: inline-block;
    background: linear-gradient(45deg, #ff9a56, #ff6b6b);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0.5rem;
    box-shadow: 0 5px 15px rgba(255, 154, 86, 0.3);
}

.achievement-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.achievement-item.unlocked {
    background: linear-gradient(135deg, #a8edea, #fed6e3);
    border: 2px solid #4ecdc4;
}

.achievement-item.locked {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    opacity: 0.6;
}

.achievement-icon {
    font-size: 3rem;
    margin-right: 1rem;
    min-width: 80px;
    text-align: center;
}

.achievement-details h5 {
    margin: 0;
    font-weight: bold;
}

.achievement-points {
    color: #ffd700;
    font-weight: bold;
    font-size: 1.1rem;
}

.daily-task {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    padding: 1.5rem;
    margin: 1rem 0;
    border-left: 5px solid #007bff;
    transition: all 0.3s ease;
}

.daily-task.completed {
    border-left-color: #28a745;
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
}

.progress {
    height: 10px;
    border-radius: 10px;
    overflow: hidden;
    margin: 0.5rem 0;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.leaderboard-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.leaderboard-item.current-player {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    border: 2px solid #f39c12;
    transform: scale(1.02);
}

.rank-number {
    font-size: 1.5rem;
    font-weight: bold;
    color: #007bff;
    min-width: 50px;
    text-align: center;
}

.player-avatar {
    font-size: 2rem;
    margin: 0 1rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.stat-card {
    background: rgba(255, 255, 255, 0.9);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: #007bff;
}

.btn-game {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border: none;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 25px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-game:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
    color: white;
}

.experience-bar {
    background: #e9ecef;
    border-radius: 10px;
    height: 20px;
    overflow: hidden;
    margin: 1rem 0;
}

.experience-fill {
    background: linear-gradient(45deg, #4ecdc4, #44a08d);
    height: 100%;
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 0.8rem;
}