.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 15px;
    display: flex;
    justify-content: center;
    gap: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-link {
    color: #666;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: rgba(0, 122, 255, 0.1);
    color: #007AFF;
}

.nav-link.active {
    background: #007AFF;
    color: white;
}

body {
    padding-top: 80px;
}

.dimension-input {
    width: 100px;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 6px;
    margin: 0 8px;
}

.lock-aspect {
    margin-left: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.lock-aspect input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

#originalDimensions, #resizedDimensions {
    color: #666;
    font-size: 14px;
    margin-top: 8px;
}