.nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    background: #f7f7f7;
    border-bottom: 1px solid #e0e0e0;
}
.nav-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.nav-score {
    font-weight: 700;
    color: #222;
}
.nav-right {
    display: flex;
    gap: 8px;
}
.nav-btn {
    background: #007bff;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
}
.nav-btn:hover { background: #005dc1; }
.nav-btn:active { transform: translateY(1px); }
.nav-btn a { color: inherit; text-decoration: none; }

@media (max-width: 600px) {
    .nav-bar { flex-direction: column; align-items: stretch; }
    .nav-right { justify-content: space-between; }
}